CN110720465A - Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof - Google Patents
Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof Download PDFInfo
- Publication number
- CN110720465A CN110720465A CN201910950101.8A CN201910950101A CN110720465A CN 110720465 A CN110720465 A CN 110720465A CN 201910950101 A CN201910950101 A CN 201910950101A CN 110720465 A CN110720465 A CN 110720465A
- Authority
- CN
- China
- Prior art keywords
- composition
- maleic hydrazide
- mepiquat chloride
- pesticide
- wheat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof. The pesticide composition comprises the following raw materials: mepiquat chloride, maleic hydrazide and an adjuvant composition; the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary agent composition is 0.1-5: 1-100: 1 to 50. The auxiliary agent composition consists of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate, and the weight ratio is 1: 1-6: 1 to 5. The pesticide composition disclosed by the invention not only greatly reduces the dosage, but also improves the pesticide effect of the product; the mepiquat chloride and the maleic hydrazide are systemic medicaments, the two active ingredients can achieve a synergistic effect, the auxiliary agent improves the permeability and stability of the medicament, facilitates the absorption of plant leaves, and improves the quick-acting property and safety of the medicament. Has important significance for reducing the dosage and agricultural safe production.
Description
Technical Field
The invention relates to the field of pesticides, in particular to a compound safe and environment-friendly plant growth regulator, and specifically relates to a pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof.
Background
Mepiquat chloride, also known as mepiquat chloride, is a plant growth regulator and has a good systemic conduction effect on plants. Can promote the reproductive growth of plants; inhibiting the overgrowth of stem leaves, controlling lateral branches, shaping ideal plant types, improving the number and activity of root systems, increasing the weight of fruits and improving the quality. Is widely applied to crops such as cotton, wheat, rice, peanut, corn, potato, grape, vegetable, beans, flowers and the like.
The maleic hydrazide or the cynanchum wilsonii is a butenediohydrazide plant growth regulator with systemic property, and can be used for preventing the germination of potatoes, onion and the like in a storage period; can effectively prevent the beet and the sweet potato from sprouting or hollowing; can control the growth of tobacco axillary buds; can inhibit bolting of carrot, cabbage and head cabbage; it also has male killing effect, and can kill stamen of cotton and corn.
The mepiquat chloride and the maleic hydrazide are generally used independently in agricultural production at present, and the problems of unsatisfactory pesticide effect, poor effect of inhibiting the growth of axillary buds, continuous improvement of the pesticide resistance of crops, higher and higher dosage, potential hazard to individual crops and the like can occur after the two medicaments are continuously used for multiple times. Patent CN 102037830B discloses "plant growth regulator composition" to regulate plant growth by using a composition of benproperine and mepiquat chloride, but since the ratio of the mepiquat chloride and the benproperine affects the effect of use, when they are used in combination, the weight ratio of them, the type and the amount of the auxiliary directly affect the effect of the combination of the mepiquat chloride and the benproperine. Therefore, the mixed and compounded preparation of the mepiquat chloride and the maleic hydrazide has great development significance, the application range can be enlarged, the drug effect can be improved, the dosage can be reduced, the drug cost can be reduced, the residual period of the drug can be shortened, the occurrence of drug injury can be reduced, and the use is safer.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a compound preparation of mepiquat chloride and maleic hydrazide, which not only improves the drug effect, but also reduces the drug dosage and has wide application range.
The invention is realized by the following technical scheme:
in a first aspect of the invention, a pesticide composition containing mepiquat chloride and maleic hydrazide is provided, and comprises the following raw materials in parts by weight: mepiquat chloride, maleic hydrazide and an adjuvant composition; the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary agent composition is 0.1-5: 1-100: 1 to 50.
Preferably, the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary composition is 1: 1-100: 1 to 50.
Preferably, the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary composition is 1: 6-30: 5 to 20.
Preferably, the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary composition is 1: 12: 10.
preferably, the auxiliary agent composition consists of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate.
Preferably, the weight ratio of the ethanol to the fatty alcohol-polyoxyethylene ether phosphate amine salt to the branched-chain calcium dodecylbenzene sulfonate is 1: 1-6: 1 to 5.
Preferably, the weight ratio of the ethanol to the fatty alcohol-polyoxyethylene ether phosphate amine salt to the branched-chain calcium dodecylbenzene sulfonate is 1: 3: 2.
the weight ratios are calculated in percent, that is, all the components are converted into 100 percent.
In a second aspect of the invention, there is provided the use of a pesticidal composition comprising mepiquat chloride and maleic anhydride for the preparation of a pesticidal formulation for inhibiting the growth of axillary buds and regulating the growth of plants.
The third aspect of the present invention provides a pesticide preparation containing a pesticide combination containing mepiquat chloride and maleic hydrazide as an active ingredient, wherein the content of the active ingredient is 2.2 to 13%.
Preferably, the pesticide preparation is missible oil, a water aqua, a suspending agent, a microemulsion, soluble powder, wettable powder and water dispersible granules;
more preferably, the pesticide preparation is an aqueous solution. When the pesticide preparation is a water agent, the using method comprises the following steps: the medicinal preparation is diluted with water and sprayed on the surface of plants.
The invention has the beneficial effects that:
(1) the invention selects two pesticide active ingredients of mepiquat chloride and maleic hydrazide which are widely applied in the market, and produces a safe and environment-friendly product by adding the auxiliary agent composition independently developed by a company, thereby not only greatly reducing the dosage and improving the pesticide effect of the product, but also developing field pesticide effect experiments on crops with large planting area, such as wheat, tobacco, cotton and the like, and verifying the good pesticide effect and the safety of the product under the premise of using low dosage through large-area pesticide effect experiments.
(2) According to the pesticide composition provided by the invention, the mepiquat chloride, the maleic hydrazide and the auxiliary agent composition are mixed, the maleic hydrazide and the mepiquat chloride both belong to systemic agents, the two effective components can mutually play a role in synergy, and the auxiliary agent composition not only improves the permeability and stability of the agents, but also is more beneficial to plant leaf absorption, and also improves the quick-acting property and safety of the agents; the auxiliary agent combination not only has certain penetrability, but also can improve the stability and safety of the medicament, thereby having more remarkable synergism. Has important significance for reducing the dosage and agricultural safe production.
(3) The pesticide composition containing the mepiquat chloride and the maleic hydrazide can be used for field crops such as wheat and rice, economic crops such as tobacco and cotton, and is used in the vigorous growth period of plants, the growth speed of the plants is controlled, the growth speed of the root systems of the plants is improved, the high growth speed of the plants is reduced, the root-crown ratio is increased, the lodging resistance of the plants is enhanced, the yield of the plants is increased, and the product quality is improved. If excessive use of the agricultural chemical composition containing mepiquat chloride and maleic hydrazide of the present invention may cause the plant to grow too slowly, spraying brassinolide can restore the normal growth of the plant.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
As described in the background art, the mixed use and compound preparation of the mepiquat chloride and the maleic hydrazide has great development significance, the application range can be enlarged, the drug effect can be improved, the dosage can be reduced, the drug cost can be reduced, the residual effective period of the drug can be shortened, the occurrence of drug harm can be reduced, and the use is safer. The invention provides a pesticide composition containing mepiquat chloride and maleic hydrazide, which comprises the following raw materials: mepiquat chloride, maleic hydrazide and an auxiliary composition. The auxiliary agent composition consists of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate.
In order to determine the optimal mixture ratio of the mepiquat chloride and the maleic hydrazide, the optimal mixture ratio of each component in the auxiliary composition and the optimal mixture ratio of each component in the pesticide composition, the inventor determines the optimal mixture ratio in each group through experiments:
(I) determining the optimal ratio of mepiquat chloride to maleic hydrazide
The method comprises the steps of soaking wheat seeds with mepiquat chloride and maleic hydrazide respectively, and researching the synergistic effect of the mepiquat chloride and the maleic hydrazide in regulating and controlling the germination of the wheat seeds and the culture of strong seedlings. The mepiquat chloride and the maleic hydrazide are adopted to carry out seed soaking treatment on wheat seeds, and the main functions of the method are to promote the growth of wheat root systems, inhibit the growth of stems and leaves and increase the root-crown ratio. Because the mepiquat chloride and the maleic hydrazide are systemic pesticides, the mepiquat chloride and the maleic hydrazide are sprayed on leaves in the vigorous growth period of plants and are absorbed and transmitted to the whole body of the plants through the leaves, and the effect is the same. The influence rules on the germination of wheat seeds and the growth of wheat seedlings are respectively observed by using different concentrations of the mepiquat chloride and the maleic hydrazide, the synergistic interaction between the mepiquat chloride and the maleic hydrazide is verified, and the optimal mass ratio is investigated by compounding the mepiquat chloride and the maleic hydrazide with different mass ratios. The results are shown in tables 1 to 6.
Wherein, the root length and the plant height are obtained by measurement; the fresh mass and the dry mass are obtained by weighing;
when the number of the seeds to be germinated reaches the maximum peak in the germination process, the germination potential is equal to the number of the seeds to be germinated/the number of the seeds of the variety to be tested multiplied by 100 percent;
the germination rate is equal to the germination number of the test seeds/the total number of the test seeds multiplied by 100 percent;
root cap ratio is the fresh weight of the underground part of wheat/the fresh weight of the overground part of wheat.
TABLE 1 Effect of Mepighian seed soaking on wheat seed Germination
As can be seen from Table 1, compared with CK (clear water), the influence of the seed soaking of mepiquat chloride in the concentration range of 20-640 mg/L on the germination potential of wheat seeds shows a trend that the germination potential is increased firstly and then reduced along with the increase of the mass concentration of the mepiquat chloride, the germination potential reaches the maximum value (77.29%) at 160mg/L, and the germination potential begins to be reduced and is lower than CK (clear water) along with the continuous increase of the concentration of the mepiquat chloride; the germination rate shows a tendency of increasing first and then decreasing with the increase of the mepiquat chloride mass concentration, reaches a maximum value (86.98%) at 160mg/L, and begins to decrease and is lower than CK (clear water) with the continuous increase of the mepiquat chloride mass concentration.
TABLE 2 Effect of captan seed soaking on wheat seed Germination
| Treatment of | Germination potential/%) | Germination rate/% |
| CK (Water) | 71.33 | 79.67 |
| Prime beetle (50mg/L) | 72.45 | 80.56 |
| Prime beetle (100mg/L) | 73.69 | 81.95 |
| Prime beetle (200mg/L) | 75.54 | 83.43 |
| Prime beetle (400mg/L) | 77.34 | 84.28 |
| Prime beetle (800mg/L) | 78.83 | 86.05 |
| Prime beetle (1600mg/L) | 70.12 | 78.84 |
| Prime beetle (3200mg/L) | 68.67 | 76.47 |
As can be seen from Table 2, compared with CK (clear water), the influence of the seed soaking of the maleic hydrazide on the germination potential of the wheat seeds in the concentration range of 50-3200 mg/L shows a trend that the germination potential is increased firstly and then reduced along with the increase of the mass concentration of the maleic hydrazide, the germination potential reaches the maximum value (78.83%) at 800mg/L, and the germination potential begins to be reduced and is lower than CK (clear water) along with the continuous increase of the concentration of the maleic hydrazide; the germination rate shows a tendency of increasing first and then decreasing along with the increase of the mass concentration of the maleic hydrazide, the germination rate reaches a maximum value (86.05%) at 800mg/L, and the germination rate begins to decrease along with the continuous increase of the mass concentration of the maleic hydrazide and is lower than CK (clear water).
TABLE 3 Effect of Mepighian, maleic hydrazide and Compound seed soak on wheat seed Germination
As can be seen from table 3, compared with CK (clear water), mepiquat chloride (100mg/L) and maleic hydrazide (100mg/L), the germination potential of wheat seeds by soaking seeds with different proportions of mepiquat chloride (100mg/L) and maleic hydrazide (100mg/L) tends to increase first and then decrease with the increase of the proportion of the composition, and when the ratio of mepiquat chloride (100mg/L) + maleic hydrazide (100mg/L) ═ 1: at 12, the germination potential reached a maximum (84.33%); the germination rate also shows a trend of increasing firstly and then decreasing along with the increase of the mixture ratio of the composition, and when the ratio of the mepiquat chloride (100mg/L) + the maleic hydrazide (100mg/L) ═ 1: at 12, the germination rate reached a maximum (91.21%). Therefore, the optimal mass ratio of the mepiquat chloride to the maleic hydrazide is 1: 12.
TABLE 4 Effect of Mepighian seed soaking on wheat seedling growth
| Treatment of | Root length/cm | Plant height/cm | Fresh mass/g | Dry mass/g | Root-crown ratio |
| CK (Water) | 2.67 | 4.08 | 0.1208 | 0.0342 | 1.71 |
| Mepiquat chloride (20mg/L) | 2.98 | 3.85 | 0.1225 | 0.0350 | 1.89 |
| Mepiquat chloride (40mg/L) | 3.34 | 3.68 | 0.1248 | 0.0353 | 2.05 |
| Mepiquat chloride (80mg/L) | 3.69 | 3.27 | 0.1271 | 0.0359 | 2.34 |
| Mepiquat chloride (160mg/L) | 3.95 | 3.01 | 0.1312 | 0.0364 | 2.67 |
| Mepighian (320mg/L) | 3.72 | 3.09 | 0.1264 | 0.0359 | 2.45 |
| Mepiquat chloride (640mg/L) | 3.48 | 3.13 | 0.1255 | 0.0355 | 2.39 |
As can be seen from Table 4, when the mepiquat chloride is in the concentration range of 20-640 mg/L, the root length and root crown ratio of seedlings can be remarkably increased through seed soaking treatment, the plant height is reduced, the root length of wheat is gradually elongated along with the increase of the mass concentration of the mepiquat chloride, and the plant height is gradually reduced; when the mass concentration is 160mg/L, the root length reaches the maximum (3.95cm), the length is increased by 47.94 percent compared with CK (clear water), the plant height is reduced to the minimum (3.01cm), the plant height is reduced by 26.23 percent compared with CK (clear water), and the root-crown ratio is maximized; the root length and the plant height of the 320mg/L and 640mg/L treatment are not obviously different from those of the 160mg/L treatment, but the root cap is reduced compared with the 160mg/L treatment.
TABLE 5 Effect of Imidamole on wheat seedling growth
As can be seen from Table 5, when the concentration of the maleic hydrazide is in the range of 50-3200 mg/L, the root length and root cap ratio of seedlings can be remarkably increased through seed soaking treatment, the plant height is reduced, the root length of wheat is gradually elongated along with the increase of the mass concentration of the maleic hydrazide, and the plant height is gradually reduced; when the mass concentration is 800mg/L, the root length reaches the maximum (4.05cm), the plant height is increased by 51.69% compared with CK (clear water), the plant height is reduced to the minimum (3.08cm), the plant height is reduced by 24.51% compared with CK (clear water), and the root-crown ratio is maximized; root length and plant height of 1600mg/L and 3200mg/L treatment are not obviously different from those of 800mg/L treatment, but root crowns are reduced compared with 800mg/L treatment.
TABLE 6 Effect of Mepighian, maleic hydrazide and Compound seed soaking on wheat seedling growth
As can be seen from Table 6, the compounding of mepiquat chloride and maleic hydrazide has the synergistic effect, the growth of the root system of the wheat seedling is promoted, the plant height of the wheat seedling is inhibited, and the root-crown ratio of the wheat seedling is increased. The compounding seed soaking of the mepiquat chloride and the maleic hydrazide has a promoting effect on the root growth of wheat seedlings, and along with the increase of the compounding ratio of the mepiquat chloride and the maleic hydrazide, the root length of the wheat is gradually extended to reach the condition that the mepiquat chloride (100 mg/L): maleic hydrazide (100mg/L) ═ 1: at 12, the root length reaches the longest (4.35cm), which is increased by 62.92% compared with CK (clear water), 15.69% compared with CK (mepiquat chloride 100mg/L) and 42.62% compared with CK (maleic hydrazide 100 mg/L); the seed soaking of the compound of the mepiquat chloride and the maleic hydrazide has an inhibiting effect on the plant height of wheat seedlings, and the plant height of the wheat is gradually reduced along with the increase of the compound proportion of the mepiquat chloride and the maleic hydrazide to the condition that the plant height of the wheat is 100 mg/L: maleic hydrazide (100mg/L) ═ 1: when 12, the plant height reaches the lowest (2.72cm), the plant height is reduced by 33.33 percent compared with CK (clear water), 18.56 percent compared with CK (mepiquat chloride 100mg/L) and 28.23 percent compared with CK (maleic hydrazide 100mg/L), so that the root-crown ratio is the maximum; methylpipedinium (100 mg/L): maleic hydrazide (100mg/L) ═ 1: 15 and 1: the root length and the plant height of the 18-treated plants are equal to 1:12 there was no significant difference between treatments, but the root cap comparison 1:12 the treatment is reduced. Shows that 1: the seed soaking treatment of the maleic hydrazide 12 is beneficial to germination. That is to say, mepiquat chloride (100 mg/L): the best mass ratio of the maleic hydrazide (100mg/L) is 1: 12.
(II) determining the composition and the optimal proportion of the auxiliary agent composition
In order to improve the drug effect performance of the compound composition of the mepiquat chloride and the maleic hydrazide, stabilizers such as 1, 2-butanediol, ethanol, fatty alcohol, ethylene glycol and the like are selected according to the characteristics of two effective components of the mepiquat chloride and the maleic hydrazide; dispersing agents such as alkylphenol polyoxyethylene ether sulfonate, alkyl glycoside, fatty alcohol polyoxyethylene ether phosphate amine salt, sucrose glyceride and the like; the synergist comprises three types of assistants, namely calcium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate, branched-chain calcium dodecyl benzene sulfonate, sodium lignin sulfonate and the like, the addition amount of each assistant is 10% of the total mass of the (mepiquat chloride and maleic hydrazide) composition and the assistant, the ingredients with the best effect are selected from the three types of assistants, research experiments are carried out on the best mass ratio of the finally selected ingredients, and the best mass ratio of the assistant composition is obtained through tables 7-14.
Wherein, the root length and the plant height are obtained by measurement; the fresh mass and the dry mass are obtained by weighing;
when the number of the seeds to be germinated reaches the maximum peak in the germination process, the germination potential is equal to the number of the seeds to be germinated/the number of the seeds of the variety to be tested multiplied by 100 percent;
the germination rate is equal to the germination number of the test seeds/the total number of the test seeds multiplied by 100 percent;
root cap ratio is the fresh weight of the underground part of wheat/the fresh weight of the overground part of wheat.
TABLE 7 Effect of compounded seed soaking on wheat seed germination after adding stabilizer in Mepighian + Primatinib for composition
| Treatment of | Germination potential/%) | Germination rate/% |
| CK (Water) | 71.33 | 79.67 |
| Mepighian and maleic hydrazide composition (without addition of auxiliary agent) | 84.33 | 91.21 |
| (Mepighian + Primazalil) composition +1, 2-butanediol (10%) | 86.61 | 91.52 |
| (Mepighian + Sublin) composition + ethanol (10%) | 88.45 | 92.33 |
| (Mepighian + Primazalil) composition + fatty alcohol (10%) | 85.02 | 91.36 |
| (Mepighian + Sublin) composition + ethylene glycol (10%) | 84.46 | 91.25 |
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from Table 7, the germination vigor and the germination rate of the seeds can be improved after the four stabilizers of 1, 2-butanediol, ethanol, fatty alcohol and ethylene glycol are respectively added into the mepiquat chloride and maleic hydrazide composition, wherein the germination vigor and the germination rate are the highest after the ethanol is added, the germination vigor is improved by 24.00 percent compared with CK (clear water), and the germination vigor is improved by 4.89 percent compared with the mepiquat chloride and maleic hydrazide composition (without the addition of an auxiliary agent); the germination rate is improved by 15.89 percent compared with CK (clear water) and improved by 1.23 percent compared with a mepiquat chloride and maleic hydrazide composition (without an additive); therefore, ethanol is selected as a stabilizer of the mepiquat chloride and maleic hydrazide composition.
TABLE 8 Effect of compounded seed soaking on wheat seedling growth after adding stabilizer in Mepighian + Primatinib for composition
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from Table 8, the mepiquat chloride and maleic hydrazide composition respectively added with the four stabilizers of 1, 2-butanediol, ethanol, fatty alcohol and ethylene glycol has the effects of promoting the growth of the root system of the wheat seedling, inhibiting the plant height of the wheat seedling and increasing the root-crown ratio of the wheat seedling. Wherein the addition of ethanol has the most obvious effects of promoting the growth of the root system of the wheat seedling, inhibiting the plant height of the wheat seedling and increasing the root-cap ratio of the wheat seedling. The addition of ethanol in the mepiquat chloride and maleic hydrazide composition can improve the root length of wheat by 65.17 percent compared with CK (clear water) and by 1.38 percent compared with the mepiquat chloride and maleic hydrazide composition (without addition of auxiliary agent); the plant height of the wheat is reduced by 35.78 percent compared with CK (clear water) and is reduced by 3.68 percent compared with a mepiquat chloride and maleic hydrazide composition (no addition of an auxiliary agent); the wheat root cap is improved by 73.68 percent compared with CK (clear water) and 2.41 percent compared with the mepiquat chloride and the maleic hydrazide composition (without addition of auxiliary agent); therefore, ethanol is selected as a stabilizer of the mepiquat chloride and maleic hydrazide composition.
TABLE 9 Effect of compounding seed soaking after adding dispersant to Mepighian + maleic hydrazide composition on wheat seed germination
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from table 9, after the dispersing agents such as alkylphenol ethoxylate sulfonate, alkyl glycoside, fatty alcohol polyoxyethylene ether phosphate amine salt, sucrose glyceride and the like are respectively added into the mepiquat chloride and maleic hydrazide composition, the germination vigor and the germination rate of the seeds can be improved, wherein the germination vigor and the germination rate are highest when the fatty alcohol polyoxyethylene ether phosphate amine salt is added, the germination vigor is improved by 24.66% compared with that of CK (clear water), and the germination vigor is improved by 4.59% compared with that of the mepiquat chloride and maleic hydrazide composition (without the addition of an auxiliary agent); the germination rate is improved by 17.30 percent compared with CK (clear water) and is improved by 2.46 percent compared with a mepiquat chloride and maleic hydrazide composition (without addition of an auxiliary agent); therefore, the fatty alcohol-polyoxyethylene ether phosphate amine salt is selected as the dispersing agent of the mepiquat chloride and maleic hydrazide composition.
TABLE 10 Effect of compounded seed soaking on wheat seedling growth after adding dispersant to Mepigeonium + Primatinib
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from table 10, after the dispersing agents such as alkylphenol ethoxylate sulfonate, alkyl glycoside, fatty alcohol polyoxyethylene ether phosphate amine salt, sucrose glyceride and the like are respectively added to the mepiquat chloride and maleic hydrazide composition, the root growth of wheat seedlings is promoted, the plant height of wheat seedlings is inhibited, and the root cap ratio of wheat seedlings is increased. Wherein, the addition of the fatty alcohol-polyoxyethylene ether phosphate amine salt has the most obvious effects of promoting the root growth of wheat seedlings, inhibiting the plant height of the wheat seedlings and increasing the root cap ratio of the wheat seedlings. The addition of fatty alcohol-polyoxyethylene ether phosphate amine salt in the mepiquat chloride and maleic hydrazide composition can improve the root length of wheat by 67.04 percent compared with CK (clean water) and by 2.53 percent compared with the mepiquat chloride and maleic hydrazide composition (without addition of auxiliary agent); the plant height of the wheat is reduced by 36.27 percent compared with CK (clear water) and 4.41 percent compared with a mepiquat chloride and maleic hydrazide composition (without addition of an auxiliary agent); the wheat root cap is improved by 77.19 percent compared with CK (clear water) and 4.48 percent compared with the mepiquat chloride and the maleic hydrazide composition (without adding an auxiliary agent); therefore, the fatty alcohol-polyoxyethylene ether phosphate amine salt is selected as the dispersing agent of the mepiquat chloride and maleic hydrazide composition.
TABLE 11 Effect of compounded seed soaking on wheat seed germination after adding synergist for Mepighian + maleic hydrazide composition
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from table 11, after the synergists such as calcium dodecylbenzenesulfonate, sodium dodecylbenzenesulfonate, branched calcium dodecylbenzenesulfonate, sodium lignosulfonate, and the like are added to the mepiquat chloride and maleic hydrazide composition, the germination vigor and the germination rate of the seeds can be improved, wherein the germination vigor and the germination rate are the highest when the branched calcium dodecylbenzenesulfonate is added, the germination vigor is improved by 26.11% compared with CK (clear water), and the germination vigor is improved by 6.68% compared with the mepiquat chloride and maleic hydrazide composition (without the addition of the adjuvant); the germination rate is improved by 17.90 percent compared with CK (clear water) and is improved by 2.98 percent compared with a mepiquat chloride and maleic hydrazide composition (without addition of an auxiliary agent); therefore, the branched-chain dodecyl benzene sulfonic acid calcium is selected as a synergist of the mepiquat chloride and maleic hydrazide composition.
TABLE 12 Effect of compounded seed soaking after adding synergist in Mepighian + maleic hydrazide composition on wheat seedling growth
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from table 12, after the synergists of calcium dodecylbenzenesulfonate, sodium dodecylbenzenesulfonate, branched calcium dodecylbenzenesulfonate, sodium lignosulfonate, etc. are added to the mepiquat chloride and maleic anhydride composition, respectively, the root growth of wheat seedlings is promoted, the plant height of wheat seedlings is inhibited, and the root-cap ratio of wheat seedlings is increased. The branched-chain calcium dodecyl benzene sulfonate added into the wheat seedling fertilizer has the most obvious effects of promoting the growth of the root system of the wheat seedling, inhibiting the plant height of the wheat seedling and increasing the root cap ratio of the wheat seedling. The addition of the branched-chain calcium dodecyl benzene sulfonate in the mepiquat chloride and maleic hydrazide composition can improve the root length of wheat by 68.54% compared with CK (clear water) and by 3.45% compared with the mepiquat chloride and maleic hydrazide composition (without addition of auxiliary agent); the plant height of the wheat is reduced by 37.25 percent compared with CK (clear water) and is reduced by 5.88 percent compared with a mepiquat chloride and maleic hydrazide composition (no addition of an auxiliary agent); the wheat root cap is improved by 80.12 percent compared with CK (clear water) and is improved by 6.21 percent compared with a mepiquat chloride and maleic hydrazide composition (without addition of an auxiliary agent); therefore, the branched-chain dodecyl benzene sulfonic acid calcium is selected as a synergist of the mepiquat chloride and maleic hydrazide composition.
TABLE 13 Effect of compounding of Mepighian + Imidamole composition with adjuvant composition on wheat seed Germination
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from table 13, compared with CK (clear water) and (mepiquat chloride + benthon) compositions, germination potentials of the (mepiquat chloride + benthon) compositions and the seed soaking of the auxiliary composition with different proportions show a tendency of increasing first and then decreasing with increasing proportions, and when the auxiliary composition (ethanol: fatty alcohol polyoxyethylene ether phosphate amine salt: branched dodecylbenzene calcium sulfonate ═ 1: 3: 2), the germination potentials reach a maximum value (95.37%), are 33.70% higher than that of CK (clear water), and are 13.09% higher than that of the (mepiquat chloride + benthon) compositions (no auxiliary agent added); the germination rate also shows a tendency of increasing firstly and then decreasing along with the increase of the proportion of the auxiliary composition, and when the auxiliary composition (ethanol: fatty alcohol polyoxyethylene ether phosphate amine salt: branched-chain calcium dodecyl benzene sulfonate: 1: 3: 2), the germination rate reaches a maximum value (97.63%), is 22.54% higher than CK (clear water), and is 7.04% higher than the (mepiquat chloride and maleic hydrazide) composition (without the addition of the auxiliary).
TABLE 14 Effect of compounding of Mepighian + Imidamole composition with adjuvant composition on wheat seedling growth
Note: in the table, the compositions (mepiquat chloride and maleic hydrazide) are mixed according to the mass ratio of 1:12 are prepared
As can be seen from Table 14, the addition of the adjuvant composition has synergistic effect on the (mepiquat chloride + maleic hydrazide) composition, and has effects of promoting the root growth of wheat seedlings, inhibiting the plant height of wheat seedlings, and increasing the root cap ratio of wheat seedlings. The (mepiquat chloride and maleic hydrazide) composition has a promoting effect on the root growth of wheat seedlings by adding auxiliary agent composition to compound seed soaking, and with the increase of the mass ratio of the auxiliary agent composition, the root length of wheat is gradually elongated, and when the auxiliary agent composition (ethanol: fatty alcohol polyoxyethylene ether phosphate amine salt: branched-chain dodecyl benzene sulfonic acid calcium 1: 3: 2) is reached to the longest root length (4.59cm), the root length is increased by 71.91% compared with CK (clear water), and the root length is increased by 5.52% compared with the (mepiquat chloride and maleic hydrazide) composition (without the addition of auxiliary agent); the (mepiquat chloride and maleic hydrazide) composition has an inhibiting effect on the plant height of wheat seedlings by adding auxiliary agent composition for compounding seed soaking, and with the increase of the mass ratio of the auxiliary agent composition, the plant height of wheat gradually decreases until the plant height reaches the lowest (2.48cm) when the auxiliary agent composition (ethanol: fatty alcohol polyoxyethylene ether phosphate amine salt: branched-chain dodecylbenzene sulfonic acid calcium 1: 3: 2) is reached, the plant height is reduced by 39.22% compared with CK (clear water), and the plant height is reduced by 8.82% compared with the (mepiquat chloride and maleic hydrazide) composition (without the addition of the auxiliary agent), so that the root-cap ratio is the largest; ethanol in the auxiliary composition: fatty alcohol polyoxyethylene ether phosphate amine salt: branched dodecylbenzene sulfonic acid calcium ═ 1: 3: 3. 1: 3: 4. 1: 3: 5 there was no significant difference between treatments, but the root cap comparison 1: 3: 2 the treatment is decreased. The seed soaking treatment of the auxiliary composition (ethanol: fatty alcohol polyoxyethylene ether phosphate amine salt: branched-chain calcium dodecylbenzene sulfonate 1: 3: 2) is shown to be favorable for germination. That is to say, the best mass ratio of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate in the auxiliary composition is 1: 3: 2.
and (III) determining the optimal dosage of the mepiquat chloride, the maleic hydrazide and the auxiliary composition, and finally determining the formula of the pesticide composition.
After the best mass ratio of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecylbenzene sulfonate in the auxiliary composition is determined, experimental research is carried out on the best dosage of the mepiquat chloride, the maleic hydrazide and the auxiliary composition by an experimental group, and the best mass ratio of the mepiquat chloride, the maleic hydrazide and the auxiliary composition is obtained through tables 15-16.
Wherein, the root length and the plant height are obtained by measurement; the fresh mass and the dry mass are obtained by weighing;
when the number of the seeds to be germinated reaches the maximum peak in the germination process, the germination potential is equal to the number of the seeds to be germinated/the number of the seeds of the variety to be tested multiplied by 100 percent;
the germination rate is equal to the germination number of the test seeds/the total number of the test seeds multiplied by 100 percent;
root cap ratio is the fresh weight of the underground part of wheat/the fresh weight of the overground part of wheat.
TABLE 15 Effect of compounded seed soaking of Mepighian, maleic hydrazide and adjuvant composition on wheat seed germination
| Treatment of | Germination potential/%) | Germination rate/% |
| CK (Water) | 71.33 | 79.67 |
| Mepighian and maleic hydrazide (without addition of auxiliary agent) | 84.33 | 91.21 |
| Mepiquat chloride: b, maleic hydrazide: auxiliary composition (1: 12: 5) | 91.56 | 95.48 |
| Mepiquat chloride: b, maleic hydrazide: auxiliary composition (1: 12: 10) | 96.52 | 98.89 |
| Mepiquat chloride: b, maleic hydrazide: auxiliary composition (1: 12: 15) | 96.01 | 98.12 |
| Mepiquat chloride: b, maleic hydrazide: auxiliary composition (1: 12: 20) | 95.87 | 97.84 |
As can be seen from Table 15, the germination potential of the wheat seeds when the auxiliary composition is added in different amounts shows a tendency of increasing first and then decreasing with the increase of the auxiliary amount compared with CK (clear water) and the mepiquat chloride + maleic hydrazide composition (without the addition of the auxiliary), and the germination potential reaches a maximum value (96.52%), is 35.31% higher than that of CK (clear water) and is 14.46% higher than that of the mepiquat chloride + maleic hydrazide composition (without the addition of the auxiliary agent) when the mepiquat chloride + maleic hydrazide + auxiliary composition (1: 12: 10); the germination rate also shows a tendency of increasing and then decreasing with the increase of the auxiliary agent amount, and when the mepiquat chloride, the maleic hydrazide and the auxiliary agent composition (1: 12: 10) reach the maximum value (98.89 percent), the germination rate is higher than that of CK (clear water) by 24.12 percent and is higher than that of the mepiquat chloride and the maleic hydrazide composition (without the addition of the auxiliary agent) by 8.42 percent.
TABLE 16 Effect of compounded seed soaking of Mepighian, maleic hydrazide and adjuvant composition on wheat seedling growth
As can be seen from Table 16, by adding the additive compositions with different qualities, the root growth of the wheat seedlings is promoted, the plant height of the wheat seedlings is inhibited, and the root-cap ratio of the wheat seedlings is increased. With the increase of the quality of the auxiliary agent composition, the root length of the wheat is gradually elongated, and the root length reaches the longest (4.66cm) when the (mepiquat chloride + maleic hydrazide) composition + the auxiliary agent composition (1: 12: 10), is increased by 74.53% compared with CK (clean water) and is increased by 7.13% compared with the (mepiquat chloride + maleic hydrazide) composition (without the addition of the auxiliary agent); the (mepiquat chloride and maleic hydrazide) composition has an inhibiting effect on the plant height of wheat seedlings by adding auxiliary composition for compounding seed soaking, and the plant height of wheat gradually decreases along with the increase of the quality of the auxiliary composition, and reaches the lowest (2.43cm) when the plant height reaches the (mepiquat chloride, maleic hydrazide) composition and the auxiliary composition (1: 12: 10), is reduced by 40.44% compared with CK (clear water), is reduced by 10.66% compared with the (mepiquat chloride and maleic hydrazide) composition (without the addition of auxiliary), and enables the root-crown ratio to be the maximum; there was no significant difference between treatment with (mepiquat + maleic hydrazide) composition + adjuvant composition (1: 12: 15) and (mepiquat + maleic hydrazide) composition + adjuvant composition (1: 12: 20), but the root cap comparison was 1: 12: 10 the treatment decreases. The optimal mass ratio of the mepiquat chloride, the maleic hydrazide and the auxiliary agent composition is 1: 12: 10.
in order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions of the present application will be described in detail below with reference to specific embodiments. If the experimental conditions not specified in the examples are specified, the conditions are generally conventional or recommended by the reagent company; reagents, consumables, and the like used in the following examples are commercially available unless otherwise specified.
Example 1: preparing aqueous solution with active ingredient content of 13%
1. The concrete proportion is as follows:
2. the preparation method comprises the following steps: mepighian, maleic hydrazide, ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate are weighed and dissolved in deionized water to prepare a water agent with the active ingredient content of 13%.
Example 2: preparing water agent with effective component content of 2.2%.
1. The concrete proportion is as follows:
2. the preparation method comprises the following steps: mepighian, maleic hydrazide, ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate are weighed and dissolved in deionized water to prepare a water agent with the effective component content of 2.2%.
Example 3: preparing water agent with active ingredient content of 6%.
1. The concrete proportion is as follows:
the preparation method comprises the following steps: mepighian, maleic hydrazide, ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecyl benzene sulfonate are weighed and dissolved in deionized water to prepare a water agent with the active ingredient content of 6%.
Test example 1: effect of mepiquat chloride and maleic anhydride composition on growth of field wheat.
Test site: wenshang Yangzheng Song filial piety village in fat cities
Test time: 2016 (5 months) year
After the winter wheat is planted for 225 days, the influence of the pesticide composition prepared in the embodiment 1-3 on the growth of the wheat is examined after the pesticide composition is applied for 7 days; meanwhile, clear water is sprayed as a comparison example CK1, 25% of mepiquat chloride water is used as a comparison example CK2, 23% of maleic hydrazide water is used as a comparison example CK3, and mepiquat chloride and maleic hydrazide are mixed according to the mass ratio of 1:12 Mepighiaum ∙ A-suppression agent, 13% compounded without the addition of adjuvant composition, was used as a control CK 4. The results of the effect on wheat growth are shown in Table 17, and the results of the effect on wheat yield are shown in Table 18.
Wherein the plant height is obtained by measurement;
growth rate-height of wheat growth/7 days within 7 days;
growth rate inhibition rate-growth rate of control example-actual growth rate/growth rate of control example × 100%;
the wheat yield per mu is obtained by weighing.
TABLE 17 Effect of compositions provided by the invention on growth of field wheat
As can be seen from table 17, when compared with the control examples CK1 (clear water), CK2 (25% mepiquat SL), and CK3 (23% maleic hydrazide SL), the combination of mepiquat and maleic hydrazide in the experiment for controlling the growth of wheat in the field can ensure the improvement of the drug effect and greatly reduce the dosage of the effective components. Mepiquat chloride and maleic hydrazide are mixed according to a ratio of 1: compared with the compound additive composition (CK4), the compound additive composition has obviously higher growth rate inhibition rate of wheat, which shows that the additive composition of the invention can obviously improve the drug effect. The mepiquat chloride and maleic hydrazide composition is safe for wheat growth.
Table 18 effect of compositions provided by the invention on field wheat yield
As can be seen from Table 18, the yields of field wheat are improved by using examples 1 to 3 of the present invention as compared with comparative examples CK1 (clear water), CK2 (25% mepiquat chloride SL) and CK3 (23% maleic hydrazide SL), wherein the formula of example 1 is the highest and the optimum ratio is shown as the formula of example 1. The yield is increased by 17.53 percent by using the low dose ratio CK1 (clear water) of the embodiment 1, by 25.31 percent by using the dose ratio CK1 (clear water) of the embodiment 1 and by 27.88 percent by using the high dose ratio CK1 (clear water) of the embodiment 1; the low dose of CK2 (25% mepiquat SL) was increased by 9.16% using the low dose of example 1, the dose of CK2 (25% mepiquat SL) was increased by 11.13% using the dose of example 1, and the high dose of CK2 (25% mepiquat SL) was increased by 11.80% using the high dose of example 1; the low dose of the mixture is increased by 7.40 percent compared with the low dose of CK3(23 percent of maleic hydrazide SL) in example 1, the dose of the mixture is increased by 9.01 percent compared with the dose of CK3(23 percent of maleic hydrazide SL) in example 1, and the dose of the mixture is increased by 9.20 percent compared with the high dose of the mixture is increased by CK3(23 percent of maleic hydrazide SL) in example 1; the low dose yield is increased by 4.09% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the low dose ratio of example 1, the medium dose yield is increased by 5.50% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the high dose ratio of example 1, and the high dose yield is increased by 5.51% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the high dose ratio of example 1; the yield-increasing effect is improved along with the increase of the dosage, but the yield-increasing effect is not obvious when the dosage is high, and the comprehensive production cost is considered and the medium dosage is recommended. Compared with the additive composition without the additive composition, the additive composition compounded by mepiquat chloride and maleic hydrazide has obviously high growth rate inhibition rate of wheat, and shows that the additive composition can obviously improve the drug effect. The mepiquat chloride and maleic hydrazide composition is safe for wheat growth.
Test example 2: effect of Mepighian and maleic acid on tobacco growth
Test site: zibo city Zichuan Taihe area in Taihe county
Test time: 6 months in 2018
After 120 days of spring tobacco planting, the influence of the pesticide composition prepared in the example 1-3 on the growth of tobacco is examined after 10 days of application; meanwhile, clear water is sprayed as a comparison example CK1, 25% of mepiquat chloride water is used as a comparison example CK2, 23% of maleic hydrazide water is used as a comparison example CK3, and mepiquat chloride and maleic hydrazide are mixed according to the mass ratio of 1:12 Mepighiaum ∙ A-suppression agent, 13% compounded without the addition of adjuvant composition, was used as a control CK 4. The results of the effect on tobacco growth are shown in Table 19 and the results of the effect on tobacco yield are shown in Table 20.
Wherein the plant height is obtained by measurement;
growth rate-height of tobacco growth within 10 days/10 days;
growth rate inhibition rate-growth rate of control example-actual growth rate/growth rate of control example × 100%;
the tobacco yield was obtained by weighing.
TABLE 19 Effect of compositions provided by the present invention on tobacco growth
As can be seen from Table 19, compared with the control examples CK1 (clear water), CK2 (25% mepiquat L) and CK3 (23% maleic hydrazide L), the combination of mepiquat L and maleic hydrazide in the experiment for controlling the growth of tobacco ensures the improvement of the drug effect and greatly reduces the dosage of the effective components. Compared with the additive composition without the additive composition, the growth rate inhibition rate of the tobacco is obviously higher by compounding the mepiquat chloride and the maleic hydrazide, which shows that the additive composition can obviously improve the drug effect. The use of the mepiquat chloride and maleic hydrazide composition of the present invention is safe for tobacco growth.
TABLE 20 Effect of the compositions provided by the present invention on tobacco yield and quality
As can be seen from Table 20, the yields of tobacco leaves using examples 1 to 3 of the present invention were all improved as compared with the comparative examples CK1 (clear water), CK2 (25% mepiquat chloride SL) and CK3 (23% maleic hydrazide SL), and the formula of example 1 was the most suitable formulation, with example 1 being the highest. The yield is increased by 14.89% by using the low dose ratio CK1 (clear water) in example 1, by 21.64% by using the dose ratio CK1 (clear water) in example 1 and by 23.45% by using the high dose ratio CK1 (clear water) in example 1; the low dose of CK2 (25% mepiquat SL) was increased by 10.99% using the low dose of example 1, the dose of CK2 (25% mepiquat SL) was increased by 14.25% using the dose of example 1, and the high dose of CK2 (25% mepiquat SL) was increased by 14.63% using the high dose of example 1; the low dose of the mixture is increased by 10.07 percent compared with the low dose of CK3(23 percent of maleic hydrazide SL) in example 1, the dose of the mixture is increased by 12.50 percent compared with the dose of CK3(23 percent of maleic hydrazide SL) in example 1, and the dose of the mixture is increased by 12.41 percent compared with the high dose of the mixture is increased by CK3(23 percent of maleic hydrazide SL) in example 1; the low dose yield is increased by 8.65% by using the low dose ratio CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the example 1, the medium dose yield is increased by 9.98% by using the medium dose ratio CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the example 1, and the high dose yield is increased by 8.18% by using the high dose ratio CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the example 1; the yield-increasing effect is improved along with the increase of the dosage, but the yield-increasing effect is not obvious when the dosage is high, and the comprehensive production cost is considered and the medium dosage is recommended. Compared with the additive composition without the additive composition, the additive composition compounded by the mepiquat chloride and the maleic hydrazide has obviously high growth rate inhibition rate of tobacco, and shows that the additive composition can obviously improve the drug effect and is beneficial to increasing the yield of tobacco leaves.
The upper-grade tobacco leaf proportion and the upper-grade tobacco leaf proportion of the tobacco leaves in the embodiment of the invention are increased, wherein the upper-grade tobacco leaf proportion is improved by 53.73% in the dosage ratio of CK1 (clear water) in the embodiment 1, and the upper-grade tobacco leaf proportion is improved by 30.81% in the dosage ratio of CK1 (clear water) in the embodiment 1; the proportion of tobacco leaves in the dose ratio CK2 (25% mepiquat SL) in example 1 was increased by 30.58% at the same dose, and the proportion of tobacco leaves in the dose ratio CK2 (25% mepiquat SL) in example 1 was increased by 19.25%; the proportion of tobacco leaves is improved by 29.07 percent in the dosage of CK3 (23% of maleic hydrazide SL) in the example 1, and the proportion of tobacco leaves is improved by 16.01 percent in the dosage of CK3 (23% of maleic hydrazide SL) in the example 1; the proportion of the tobacco leaves in the CK4 (compounded by 1:12 of mepiquat chloride and maleic hydrazide without adding the auxiliary composition) in the dosage ratio in the example 1 is increased by 12.69 percent, and the proportion of the tobacco leaves in the CK4 (compounded by 1:12 of mepiquat chloride and maleic hydrazide without adding the auxiliary composition) in the dosage ratio in the example 1 is increased by 11.31 percent; the mepiquat chloride and maleic hydrazide composition is safe to the growth of tobacco, improves the proportion of the first-class tobacco leaves and the proportion of the second-class tobacco leaves, and is beneficial to improving the quality of the tobacco leaves.
Test example 3: effect of Mepighian and Protozam composition on Cotton growth
Test site: linqing city Jinhezhuang town Mongolian village
Test time: 7 month in 2018
After 110 days of cotton planting, the influence of the pesticide composition prepared in the embodiment 1-3 on the cotton growth is examined after 15 days of application; meanwhile, clear water is sprayed as a comparison example CK1, 25% of mepiquat chloride water is used as a comparison example CK2, 23% of maleic hydrazide water is used as a comparison example CK3, and mepiquat chloride and maleic hydrazide are mixed according to the mass ratio of 1:12 Mepighiaum ∙ A-suppression agent, 13% compounded without the addition of adjuvant composition, was used as a control CK 4. The results of the effect on cotton growth are shown in Table 21, and the results of the effect on cotton yield are shown in Table 22.
Wherein the plant height is obtained by measurement;
the growth rate is the height of the cotton peanut growing in 15 days/15 days;
growth rate inhibition rate-growth rate of control example-actual growth rate/growth rate of control example × 100%;
cotton yield was obtained by weighing.
TABLE 21 Effect of compositions provided by the present invention on Cotton growth
As can be seen from table 21, compared with the control examples CK1 (clear water), CK2 (25% mepiquat SL) and CK3 (23% maleic hydrazide SL), the combination of mepiquat and maleic hydrazide in the growth experiment of field cotton ensures the improvement of the drug effect and greatly reduces the dosage of the effective components. Compared with the additive composition without the additive composition, the additive composition compounded by mepiquat chloride and maleic hydrazide has obviously high growth rate inhibition rate of cotton, and shows that the additive composition can obviously improve the drug effect. The mepiquat chloride and maleic hydrazide composition is safe for cotton growth.
TABLE 22 Effect of compositions provided by the present invention on Cotton yield
As can be seen from Table 22, the yields of cotton lint before blooming are improved by using examples 1 to 3 of the present invention as compared with comparative examples CK1 (clear water), CK2 (25% mepiquat chloride SL) and CK3 (23% maleic hydrazide SL), wherein the formula of example 1 is the highest formula. The yield is increased by 25.68% by using the low dose ratio CK1 (clear water) of the embodiment 1, 40.62% by using the dose ratio CK1 (clear water) of the embodiment 1 and 46.89% by using the high dose ratio CK1 (clear water) of the embodiment 1; the low dose of CK2 (25% mepiquat SL) was increased by 11.68% using the low dose of example 1, the dose of CK2 (25% mepiquat SL) was increased by 17.72% using the dose of example 1, and the high dose of CK2 (25% mepiquat SL) was increased by 18.72% using the high dose of example 1; the low dose of the mixture is increased by 13.44% compared with the low dose of CK3 (23% of maleic hydrazide SL) in example 1, the dose of the mixture is increased by 22.16% compared with the dose of CK3 (23% of maleic hydrazide SL) in example 1, and the dose of the mixture is increased by 23.94% compared with the high dose of the mixture is CK3 (23% of maleic hydrazide SL) in example 1; the low dose yield is increased by 4.62% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the low dose ratio of example 1, the medium dose yield is increased by 6.55% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the medium dose ratio of example 1, and the high dose yield is increased by 6.98% by using CK4 (compounded by 1:12 for mepiquat chloride and maleic hydrazide without adding an auxiliary composition) in the high dose ratio of example 1; the yield-increasing effect is improved along with the increase of the dosage, but the yield-increasing effect is not obvious at high dosage, and the medium dosage is recommended to be used in consideration of comprehensive production cost. Compared with CK, the embodiment has a good inhibiting effect on vigorous growth of cotton, has obvious pesticide effect, can effectively control the height of cotton plants and the length between fruit branches, enables the cotton plants to be compact, improves the ventilation and light transmission conditions in cotton fields, and improves the photosynthetic utilization rate. The use of the mepiquat chloride and maleic hydrazide composition of the invention is very safe for cotton growth.
The field efficacy experiment of the compound composition of mepiquat chloride and maleic hydrazide in wheat, tobacco and cotton shows that the compound composition has a better inhibition effect on the growth of crops compared with that of a control example CK 1-4, and after the two active ingredients of the mepiquat chloride and the maleic hydrazide are compounded, the efficacy can be obviously improved, the dosage is reduced, and the production cost is saved. By adding the auxiliary agent composition, the exertion of the drug effect is improved, the growth speed of the plant is controlled, the growth speed of the plant root system is improved, the growth speed of the plant height is reduced, the root-crown ratio is increased, the lodging resistance of the plant is enhanced, the yield of the plant is increased, and the product quality is improved. Three experiments show that the pesticide composition prepared in example 1 has the best effect in field experiments of wheat, tobacco and cotton, and the proportion of the pesticide composition prepared in example 1 is the best proportion.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments are merely for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions which are made by those skilled in the art within the spirit of the present invention are also within the scope of the claims of the present invention.
Claims (10)
1. The pesticide composition containing mepiquat chloride and maleic hydrazide is characterized by comprising the following raw materials: mepiquat chloride, maleic hydrazide and an adjuvant composition; the weight ratio of the mepiquat chloride to the maleic hydrazide to the auxiliary agent composition is 0.1-5: 1-100: 1 to 50.
2. The pesticidal composition according to claim 1, characterized in that the weight ratio of the mepiquat chloride, the nystatin and the adjuvant composition is 1: 1-100: 1 to 50.
3. The pesticide composition as set forth in claim 1, wherein the weight ratio of the mepiquat chloride to the maleic anhydride to the auxiliary composition is 1: 6-30: 5 to 20.
4. The pesticide composition as set forth in claim 1, wherein the weight ratio of the mepiquat chloride to the maleic anhydride to the auxiliary composition is 1: 12: 10.
5. the pesticide composition as claimed in any one of claims 1 to 4, wherein the adjuvant composition consists of ethanol, fatty alcohol polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecylbenzene sulfonate.
6. The pesticide composition as set forth in claim 5, wherein the weight ratio of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecylbenzene sulfonate is 1: 1-6: 1 to 5.
7. The pesticide composition as set forth in claim 5, wherein the weight ratio of ethanol, fatty alcohol-polyoxyethylene ether phosphate amine salt and branched-chain calcium dodecylbenzene sulfonate is 1: 3: 2.
8. use of the pesticidal composition according to any one of claims 1 to 7 for the preparation of a pesticidal formulation for inhibiting the growth of axillary buds or regulating the growth of plants.
9. A pesticidal preparation comprising the pesticidal composition according to any one of claims 1 to 7 as an active ingredient, wherein the content of the active ingredient is 2.2 to 13%.
10. The pesticide formulation according to claim 9, wherein the pesticide formulation is an emulsifiable concentrate, an aqueous solution, a suspension, a microemulsion, a soluble powder, a wettable powder, a water dispersible granule; preferably, the pesticide preparation is an aqueous agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950101.8A CN110720465B (en) | 2019-10-08 | 2019-10-08 | Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950101.8A CN110720465B (en) | 2019-10-08 | 2019-10-08 | Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110720465A true CN110720465A (en) | 2020-01-24 |
| CN110720465B CN110720465B (en) | 2021-06-22 |
Family
ID=69220742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910950101.8A Active CN110720465B (en) | 2019-10-08 | 2019-10-08 | Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110720465B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955457A (en) * | 2020-08-04 | 2020-11-20 | 中棉小康生物科技有限公司 | Cotton topping agent containing effective components of flumetralin and mepiquat chloride |
| CN115281195A (en) * | 2022-04-22 | 2022-11-04 | 陕西美邦药业集团股份有限公司 | Plant growth regulating composition for regulating tobacco growth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005077147A1 (en) * | 2004-02-18 | 2005-08-25 | Nexgen Biotechnologies Inc. | Method for induction of compact shoots as propagule of potato |
| CN102037830A (en) * | 2009-10-20 | 2011-05-04 | 四川国光农化股份有限公司 | Plant growth regulator composition |
| CN108477227A (en) * | 2018-04-23 | 2018-09-04 | 石磊 | A kind of plant growth retardent and preparation method thereof |
| CN108477188A (en) * | 2018-05-25 | 2018-09-04 | 广东电网有限责任公司 | Plant growth regulator and preparation method thereof, purposes and power network line gallery screen of trees preventing control method |
-
2019
- 2019-10-08 CN CN201910950101.8A patent/CN110720465B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005077147A1 (en) * | 2004-02-18 | 2005-08-25 | Nexgen Biotechnologies Inc. | Method for induction of compact shoots as propagule of potato |
| CN102037830A (en) * | 2009-10-20 | 2011-05-04 | 四川国光农化股份有限公司 | Plant growth regulator composition |
| CN108477227A (en) * | 2018-04-23 | 2018-09-04 | 石磊 | A kind of plant growth retardent and preparation method thereof |
| CN108477188A (en) * | 2018-05-25 | 2018-09-04 | 广东电网有限责任公司 | Plant growth regulator and preparation method thereof, purposes and power network line gallery screen of trees preventing control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955457A (en) * | 2020-08-04 | 2020-11-20 | 中棉小康生物科技有限公司 | Cotton topping agent containing effective components of flumetralin and mepiquat chloride |
| CN115281195A (en) * | 2022-04-22 | 2022-11-04 | 陕西美邦药业集团股份有限公司 | Plant growth regulating composition for regulating tobacco growth |
| CN115281195B (en) * | 2022-04-22 | 2023-09-15 | 陕西美邦药业集团股份有限公司 | Plant growth regulating composition for regulating tobacco growth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110720465B (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104970040B (en) | A kind of plant growth regualting composition, preparation and its application for corn | |
| CN110720465B (en) | Pesticide composition containing mepiquat chloride and maleic hydrazide and application thereof | |
| US4218234A (en) | Soil conditioners | |
| US4764201A (en) | Plant growth regulation | |
| CN111955459B (en) | Hybrid rice pre-harvest sprouting inhibitor, preparation method thereof and method for inhibiting hybrid rice pre-harvest sprouting | |
| WO2021254485A1 (en) | Rice seed dressing agent, and preparation method therefor and use thereof | |
| CN108184887A (en) | One kind resists cold type plant growth regulator and preparation method and application of keeping a full stand of seedings | |
| CN109169665A (en) | A kind of propionylbrassinolide and other brassin compound preparation compositions | |
| EA014666B1 (en) | Fungicidal mixtures | |
| CN112293428A (en) | Synergistic composition containing organic silicon plant growth regulator | |
| CA2443401C (en) | Bioregulatory combination of active agents | |
| Will | Nitrogen supply, apical dominance and branch growth in Pinus radiata | |
| CN103766387A (en) | Suspended seed coating as well as preparation method and application thereof | |
| CN106818785A (en) | Herbicidal combinations containing clomazone, pendimethalin and mesotrione | |
| CN115053911B (en) | Herbicide composition containing fenpyrad and pinoxaden | |
| CN110973131B (en) | Dry direct seeding paddy field herbicide and application thereof | |
| CN114946858A (en) | Plant growth regulating composition containing triacontanol and gibberellin | |
| CA1282976C (en) | Increasing the yield of cereals by means of brassinolide derivatives | |
| JP2898414B2 (en) | Bolt control agent and bolt control method | |
| CN113057167A (en) | Herbicide composition containing quinclorac and sulfentrazone and applied to paddy field | |
| CN109874797B (en) | Pesticide composition for treating rice seeds and application thereof | |
| CN116391715B (en) | Plant growth regulator composition and application thereof | |
| CN115316385B (en) | Pesticide composition containing paclobutrazol and flumetralin and application thereof | |
| WO2023171749A1 (en) | Composition for covering plant seed | |
| CN114916556A (en) | Agricultural composition containing lecithin and choline chloride |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |