CN114982753A - Sesame seedling-protecting plant type regulator and preparation method thereof - Google Patents

Sesame seedling-protecting plant type regulator and preparation method thereof Download PDF

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CN114982753A
CN114982753A CN202210793510.3A CN202210793510A CN114982753A CN 114982753 A CN114982753 A CN 114982753A CN 202210793510 A CN202210793510 A CN 202210793510A CN 114982753 A CN114982753 A CN 114982753A
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sesame
seedling
regulator
distilled water
spraying
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CN114982753B (en
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高桐梅
苏小雨
李丰
王东勇
张鹏钰
田媛
卫双玲
芦海灵
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Henan Sesame Research Center Henan Academy Of Agricultural Sciences
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Henan Sesame Research Center Henan Academy Of Agricultural Sciences
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    • 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
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02—Amines; Quaternary ammonium compounds
    • A01N33/12—Quaternary ammonium compounds
    • 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
    • A01N25/02—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 containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A01N25/06—Aerosols
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
    • 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
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P21/00—Plant growth regulators
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P3/00—Fungicides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • General Health & Medical Sciences (AREA)
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Abstract

The invention discloses a sesame seedling-protecting plant type regulator and a preparation method thereof, wherein each 1000mL of the regulator comprises the following components: 0.15-0.5 mL of chlormequat chloride aqua, 0.15-0.4 mL of triazolone missible oil, 0.15-0.3 mL of hymexazol missible oil, 0.2-0.8 g of rooting powder, 200.1-0.2 g of tween-1 and the balance of distilled water. The regulator is mainly applied to sesame seedling growth, has the effects of regulating plant types, promoting root development and preventing seedling diseases, and has scientific formula, moderate proportion and three effects of one spraying; has important significance for improving the growth of sesame in seedling stage, preventing and controlling diseases, reducing labor cost and improving the level of mechanized production.

Description

Sesame seedling-protecting plant type regulator and preparation method thereof
Technical Field
The invention relates to a sesame seedling-protecting plant type regulator and a preparation method thereof, belonging to the technical field of crop regulators.
Background
Sesame is an important characteristic oil crop in China, has obvious effect on delaying senility due to the fact that the sesame contains rich antioxidant substances such as unsaturated fatty acid, lignan and the like, and is the most ideal vegetable oil for human beings. At present, with the improvement of the living standard of people, the domestic consumption demand of sesame is increased year by year, and China is changed from the traditional sesame export country to the first big sesame import country in the world.
On one hand, sesame seeds are small, the nutrient content in the seeds is limited, the development in the seedling stage is slow, and the sesame seeds are easy to be attacked by diseases and the like, so that the seedling growth rate is low, and the sesame seeds become a main limiting factor for mechanical precision sowing of sesame. In the prior production, the seedling protection mode of high seeding quantity, 2-3 times of artificial interval seedling fixation, weak removal and strong retention is still adopted. On the other hand, in the traditional sesame production, the plants are tall and big, and the plants are easy to fall down or the stems are easy to be broken when meeting wind and rain in the middle and later growth periods, so that the traditional sesame production is not suitable for combination machine harvesting. The mechanized sesame harvesting rate in China is less than 10 percent at present. Agricultural and mechanical agriculture in the seed harvesting link is not matched, so that the field operation of sesame is mainly performed manually, the sesame seed production method belongs to labor-intensive industry, the production mode becomes a bottleneck which seriously restricts the production development of sesame, and mechanization is a necessary way for the production development of sesame.
Seedling-stage seedling protection and reasonable plant type structure are the key points for realizing mechanization of seed harvesting of the sesame. Therefore, the method has the advantages of one-time sowing of the whole seedlings, good root system development, harmony of the growth of the sesame in the seedling stage and the external environment, is vital to realizing the strong seedling of the sesame and lays a foundation for high yield. The length of the lower internode plays an important role in the height of a sesame capsule part and the plant uprightness in the middle and later stages, so that the regulation of the sesame habitat is realized by certain measures, and the regulation of the sesame plant type is of great significance.
At present, the plant type of crops is mainly regulated by spraying mepiquat chloride or chlormequat chloride in production, and the two exogenous hormones can effectively prevent the crops from growing vigorously, reduce the plant height and enable the plant type to be compact. However, for small-grain crops such as sesame, the seed nutrition reserves are small, the crops are easy to be attacked by diseases and insect pests, the seedling growth is difficult, the nutrition at the seedling stage needs to be coordinated, the seedlings are strengthened, and a high-yield frame is built. Therefore, it is required to develop a compound plant growth regulator suitable for sesame.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a sesame seedling-protecting plant type regulator and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a sesame seedling-protecting plant type regulator, wherein each 1000mL of the regulator comprises the following components: 0.15-0.5 mL of chlormequat chloride aqua, 0.15-0.4 mL of triazolone missible oil, 0.15-0.3 mL of hymexazol missible oil, 0.2-0.8 g of rooting powder, 200.1-0.2 g of tween-1 and the balance of distilled water.
The regulator is composed of the following components per 1000 mL: 0.3mL of chlormequat chloride aqua, 0.3mL of triazolone missible oil, 0.2mL of hymexazol missible oil, 0.5g of rooting powder, tween-200.15 g and the balance of distilled water.
The chlormequat chloride aqua contains 50% of active ingredient, 20% of triazolone missible oil and 20% of hymexazol missible oil by mass.
The spraying period of the regulator is the seedling period of the sesame.
The spraying period of the regulator is 10 days, 17 days and 24 days after sesame seedlings emerge, the spraying dosage is 15-20L/mu, and the spraying method is leaf surface spraying.
The preparation method of the sesame seedling-protecting plant-type regulator comprises the following steps:
(1) weighing the components according to the formula for later use;
(2) firstly, weighing part of distilled water, sequentially adding tween-20, rooting powder, hymexazol emulsifiable concentrate, chlormequat chloride aqueous solution and triazolone emulsifiable concentrate into the distilled water, adding one component into the distilled water, fully and uniformly mixing, then adding the next component, complementing the balance with the distilled water, and fully and uniformly mixing.
Chlormequat Chloride (CCC) with the chemical name of 2-chloro-N, N, N-trimethyl ethyl ammonium chloride is a common quaternary ammonium salt plant growth retardant, and the action mechanism of the chlormequat chloride is to achieve the effect of reducing plant height by inhibiting cell elongation and prolonging, promote the thickening of stalks and enhance the lodging resistance of the stalks. The application of chlormequat chloride in the seedling stage of sesame can effectively reduce the plant height and prevent the plants from lodging in the later growth stage.
Triazolone (triadimifon), the chemical name of which is 1- (4-chlorophenoxy) -3, 3-dimethyl-1- (1H-1,2, 4-triazol-1-yl) -alpha-butanone, is a triazole bactericide which can be absorbed by various parts of plants and then can be conducted in the plants. Has the function of a plant growth regulator, can delay the growth of overground parts, improve the root-cap ratio, and can regulate the physiological metabolism of plants under adverse circumstances, thereby lightening the damage of drought stress to the plants. The sterilization principle is complex, and the biosynthesis of the ergosterol of the thallus is mainly inhibited, so that the development of thallus attachment spores and haustoria, the growth of hyphae and the formation of spores are inhibited or interfered. Meanwhile, triazolone is also a growth regulator, can inhibit the growth of plants, improve the content of chlorophyll, prolong aging and enhance stress resistance. The triadimefon is sprayed in the seedling stage of the sesame, so that the growth can be effectively slowed down, and the drought resistance in the seedling stage can be improved.
After the cycocel and the triazolone are compounded and applied, the elongation of meristematic cells of the stems can be effectively inhibited, the thickening of the stems and the dark green leaves can be promoted, the root-crown ratio can be improved, and after the cycocel is sprayed in the seedling stage, the growth can be effectively delayed, the plant height can be reduced, the plant resistance in the seedling stage can be improved, and the lodging of plants in the later growth stage can be prevented.
The invention has the beneficial effects that:
the seedling protection and plant type regulator is mainly applied to sesame seedling stage development, has the effects of regulating plant type, promoting root system development and preventing diseases in the seedling stage, and has scientific formula, moderate proportion and three effects of one spraying. Has important significance for improving the growth of sesame in seedling stage, preventing and controlling diseases, reducing labor cost and improving the level of mechanized production.
(1) The regulator of the invention compounds the components of bactericide, plant growth regulator, surfactant and the like to form the sesame foliar spray. The regulator is beneficial to the absorption of sesame leaves, promotes the development of root systems, reduces the occurrence of diseases in seedling stage, effectively inhibits the internode elongation of the sesame in seedling stage, and obviously reduces the plant height of the sesame. The method has important significance for improving the planting density of the sesame, shaping an ideal plant type, increasing the yield, improving the quality of commodities, reducing the labor intensity, reducing the production cost and improving the mechanized production level.
(2) The regulator is sprayed on the leaf surfaces of the sesame in the seedling stage, so that the capability of resisting diseases of the sesame in the seedling stage can be enhanced, the seedling forming and strengthening rate can be improved, the internode length at the lower part of a plant can be effectively reduced, and the plant type of the plant can be compact. The regulator can obviously improve the strong seedling rate of the sesame and provide technical guarantee for mechanical precision sowing; meanwhile, the plant height is effectively reduced, an ideal plant type is shaped, and the combined mechanical harvest is facilitated.
Detailed Description
The following examples are provided to further illustrate the embodiments of the present invention. Unless otherwise stated, the instruments and equipment referred to in the examples are conventional instruments and equipment; the related reagents are all conventional reagents sold in the market; the related test methods are all conventional methods.
Example 1
A sesame seedling-protecting plant type regulator, wherein each 1000mL of the regulator comprises the following components: 0.3mL of chlormequat chloride aqua, 0.3mL of triazolone missible oil, 0.2mL of hymexazol missible oil, 0.5g of rooting powder, tween-200.15 g and the balance of distilled water.
Wherein the mass content of the active ingredient of the chlormequat chloride aqua is 50 percent, the mass content of the active ingredient of the triazolone missible oil is 20 percent, and the mass content of the active ingredient of the hymexazol missible oil is 20 percent.
The preparation method of the sesame seedling-protecting plant type regulator comprises the following steps:
(1) weighing the components according to the formula for later use;
(2) firstly weighing 500-600 mL of distilled water, sequentially adding Tween-20, rooting powder, hymexazol emulsifiable concentrate, chlormequat chloride aqueous solution and triadimefon emulsifiable concentrate into the distilled water, adding one component into the distilled water, fully and uniformly mixing, then adding the next component, complementing the balance to 1000mL by using the distilled water, and fully and uniformly mixing to obtain the bactericide.
Example 2
A modulator, consisting of per 1000mL of the following: 0.15mL of chlormequat chloride aqua, 0.15mL of triadimefon emulsifiable concentrate, 0.15mL of hymexazol emulsifiable concentrate, 0.2g of rooting powder, 200.1 g of Tween-and the balance of distilled water.
The preparation method of the sesame seedling-protecting plant-type regulator is the same as that of example 1.
Example 3
A modulator, consisting of per 1000mL of the following: 0.5mL of chlormequat chloride aqua, 0.4mL of triadimefon emulsifiable concentrate, 0.3mL of hymexazol emulsifiable concentrate, 0.8g of rooting powder, 200.2 g of Tween-and the balance of distilled water.
The preparation method of the sesame seedling-protecting plant-type regulator is the same as that of example 1.
Application test
In order to verify the use effect of the sesame seedling-protecting plant-type regulator of the present invention, the following comparative experiments were conducted.
The test is carried out at a demonstration base of modern agricultural science and technology test of academy of agricultural sciences in Henan province, and the variety of the sesame to be tested is Zheng Tai Zhi No. 4.
8 treatments are set in the test, wherein the treatments 1,2 and 3 respectively adopt the sesame seedling protection plant type regulator of the invention in the embodiment 1, the embodiment 2 and the embodiment 3; treatment 4 was a blank control example, distilled water was sprayed; the treatment 5 is to spray chlormequat chloride, and each 1000mL of solution contains 0.3mL of chlormequat chloride aqua; treating 6, namely spraying triazolone, wherein each 1000mL of solution contains 0.3mL of triazolone missible oil; treating 7 by spraying chlormequat chloride, hymexazol, rooting powder and tween-20, wherein each 1000mL of the solution contains chlormequat chloride aqua 0.3mL, hymexazol emulsifiable solution 0.2mL, rooting powder 0.5g and tween-200.15 g; the treatment 8 comprises the steps of spraying triazolone, hymexazol, rooting powder and tween-20, wherein each 1000mL of solution contains 0.3mL of triazolone missible oil, 0.2mL of hymexazol missible oil, 0.5g of rooting powder and 200.15 g of tween-200.15.
Wherein the mass content of the active ingredient of the chlormequat chloride aqua is 50 percent, the mass content of the active ingredient of the triazolone missible oil is 20 percent, and the mass content of the active ingredient of the hymexazol missible oil is 20 percent.
The 8 treatments were all produced in the field and were randomly arranged, with 3 replicates per treatment. The 8 treatments were all sown at 6 months and 10 days in 2020.
The sesame seedling-protecting plant type regulator and the corresponding treatment agent of the invention are respectively sprayed on the 10 th day, the 17 th day and the 24 th day after sesame seedling emergence. The spraying dosage is 15-20L/mu. When the foliar fertilizer is sprayed, the foliar fertilizer is sprayed on sunny, windless or breezy weather as much as possible.
Plant height, lower internode length, root-cap ratio were investigated at day 30 after emergence (see table 1), and agronomic and yield traits were investigated at maturity (see table 2).
TABLE 1 present bud stage plant traits
Figure BDA0003731270110000041
TABLE 2 plant traits and yield traits at maturity
Figure BDA0003731270110000042
Attached: each data in table 1 and table 2 is an average of 3 replicates.
As can be seen from Table 1, the treatment 1 is the example 1 of the invention, the medicament ratio is moderate, the plant type adjusting effect is good, the height of the sesame at the bud stage is 29.7cm, the standard of strong seedlings at the seedling stage of the sesame is met, the plant height is reduced by 20.4 percent compared with the treatment 4, the average internode length at 1-5 nodes is reduced by 26.0 percent compared with the treatment 4, the root cap is increased by 15.0 percent compared with the treatment 4, and the stem thickness is also increased to a certain extent compared with the treatment 4. Treatment 2 is inventive example 2, plant height decreased by 9.9% compared to treatment 4, average internode length at 1-5 nodes decreased by 18.0% compared to treatment 4, root cap increased by 9.8% compared to treatment 4, and stem thickness increased compared to treatment 4. Treatment 3 is inventive example 3, the plant height is reduced by 26.5% compared to treatment 4, the average internode length at 1-5 nodes is reduced by 32.0% compared to treatment 4, the root cap is increased by 18.8% compared to treatment 4, and the stem thickness is also increased compared to treatment 4. The treatment 5 and the treatment 6 are respectively single-spray chlormequat chloride and triadimefon treatment, have a certain effect of adjusting the plant height of the sesame, and have a poorer effect than the treatment 1. The treatments 7 and 8 are respectively the combination of chlormequat chloride and triazolone with hymexazol, rooting powder and tween-20, and have a certain adjusting function on the plant height of the sesame, but the effect is worse than that of the treatment 1.
As can be seen from Table 2, the treatment 1 is the embodiment 1 of the invention, the medicament proportion is moderate, the plant type adjusting effect is good, the indexes of the plant height, the capsule part and the like meet the standard of the sesame mechanized combined harvest, the plant height of the sesame at the maturity stage is 165.3cm, the plant height is reduced by 12.4% compared with the treatment 4, the capsule part is reduced by 34.1% compared with the treatment 4, the single plant yield is increased by 23.2% compared with the treatment 4, and the single plant capsule number and the capsule number are increased in different degrees compared with the treatment 4. Treatment 2 is the example 2 of the invention, the plant height is reduced by 7.6% compared with treatment 4, the capsule-producing part is reduced by 18.1% compared with treatment 4, the single-plant yield is increased by 8.0% compared with treatment 4, and the single-plant capsule number and the capsule number are increased in different degrees compared with treatment 4. Treatment 3 is the example 3 of the invention, the plant height of sesame in the mature period is reduced by 17.2% compared with treatment 4, the capsule producing part is reduced by 36.1% compared with treatment 4, the yield is increased by 12.5% compared with treatment 4, and the capsule number of a single plant and the capsule number are increased in different degrees compared with treatment 4. The treatment 5 and the treatment 6 are respectively single-spray chlormequat chloride and triadimefon treatment, have a certain effect of adjusting the plant height of the sesame, and have a poorer effect than the treatment 1. The treatment 7 and the treatment 8 are respectively the compounding of chlormequat chloride and triazolone with hymexazol, rooting powder and tween-20, and have a certain regulating effect on the plant height of the sesame, but the effects are worse than those of the treatment 1, which shows that the compound regulator of the invention has better compound regulating effect on the plant height of the sesame than other combinations.
Test results show that the sesame seedling and plant type regulator can regulate the plant type of sesame, promote root system development, regulate synchronous development of overground parts and underground parts, effectively reduce plant height, improve yield per unit, meet the standard of mechanized combined harvest of sesame, reduce labor intensity and improve the mechanized level of sesame production.

Claims (6)

1. The sesame seedling protection plant type regulator is characterized in that each 1000mL of the regulator comprises the following components: 0.15-0.5 mL of chlormequat chloride aqua, 0.15-0.4 mL of triazolone missible oil, 0.15-0.3 mL of hymexazol missible oil, 0.2-0.8 g of rooting powder, 200.1-0.2 g of tween-1 and the balance of distilled water.
2. The sesame seedling-protecting plant-type regulator according to claim 1, wherein the regulator consists of the following components per 1000 mL: 0.3mL of chlormequat chloride aqua, 0.3mL of triazolone missible oil, 0.2mL of hymexazol missible oil, 0.5g of rooting powder, tween-200.15 g and the balance of distilled water.
3. The sesame seedling-protecting plant-type regulator as claimed in claim 1 or 2, wherein the chlormequat chloride aqueous solution contains 50% by mass of an active ingredient, the triazolone emulsifiable concentrate contains 20% by mass of an active ingredient, and the hymexazol emulsifiable concentrate contains 20% by mass of an active ingredient.
4. The sesame seedling-protecting plant type regulator according to claim 1, wherein the spraying period of the regulator is the sesame seedling period.
5. The sesame seedling-protecting plant type regulator as claimed in claim 4, wherein the spraying period of the regulator is spraying on the 10 th, 17 th and 24 th days after sesame seedling emergence, the spraying dosage is 15-20L/mu, and the spraying method is foliar spraying.
6. The method for preparing a sesame seedling-protecting plant-type regulator according to claim 1, comprising the steps of:
(1) weighing the components according to the formula for later use;
(2) firstly, weighing part of distilled water, sequentially adding tween-20, rooting powder, hymexazol emulsifiable concentrate, chlormequat chloride aqueous solution and triazolone emulsifiable concentrate into the distilled water, adding one component into the distilled water, fully and uniformly mixing, then adding the next component, complementing the balance with the distilled water, and fully and uniformly mixing.
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