CN113498787A - Composition for regulating cotton plant type and improving stress resistance and preparation method and application thereof - Google Patents
Composition for regulating cotton plant type and improving stress resistance and preparation method and application thereof Download PDFInfo
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- CN113498787A CN113498787A CN202110757950.9A CN202110757950A CN113498787A CN 113498787 A CN113498787 A CN 113498787A CN 202110757950 A CN202110757950 A CN 202110757950A CN 113498787 A CN113498787 A CN 113498787A
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- cotton
- agent
- coronatine
- composition
- mepiquat chloride
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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
- 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
- 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
- A01N37/44—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 containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
Abstract
The invention discloses a composition for regulating cotton growth and improving stress resistance, and a preparation method and application thereof. The composition includes coronatine and mepiquat chloride. The weight ratio of coronatine to mepiquat chloride is 0.0001-0.01: 1 to 20. The composition has scientific collocation and reasonable proportion, can adjust the plant type of cotton, and has various stress resistance activities. Indoor tests prove that the composition has good vigorous-control and stress-resistant effects on cotton. The plant growth regulator can regulate the plant type of cotton, avoid manual topping, improve the low temperature resistance and drought activity of cotton, effectively reduce the investment of labor force, and simultaneously can avoid the negative effects of runt seedling, cotton yield reduction risk and the like caused by only spraying mepiquat chloride in the seedling stage of cotton.
Description
Technical Field
The invention belongs to the technical field of plant growth regulators, and particularly relates to a composition for regulating cotton plant types and improving stress resistance, and a preparation method and application thereof.
Background
The mepiquat chloride (DPC) has obvious effect on cotton plant type control, can shape plant type suitable for mechanical picking and better implement mechanical picking. However, the mepiquat chloride is frequently applied in a multi-frequency mode in a seedling stage, a topping stage, a boll stage and a bud stage, so that the manpower usage amount is increased, the planting cost is increased, and in addition, negative effects such as runt seedlings, cotton yield reduction risks and the like are easily caused.
Coronatine (hereinafter referred to as COR) is a metabolite found in the 20 th century and produced by the phytopathogen pseudomonas syringae pathovar. Coronatine has various functions of regulating plant growth, such as promoting tuber formation and expansion, inhibiting seed germination and root growth, promoting fruit shedding, etc.
The agricultural simplification is to simplify and intensify the traditional planting means with high investment and low return, and to realize the purpose of high yield and high quality by utilizing the technical means related to the growth of various crops. The traditional cotton planting, managing and picking links all need a large amount of labor force, and are standard labor-intensive industries, but with social development, labor force cost improvement and efficiency requirement improvement, the requirements of cotton planting on mechanization and simplification become great trend.
Disclosure of Invention
The invention aims to provide a composition for regulating cotton growth and improving stress resistance, a preparation method and an application method thereof.
The composition provided by the invention comprises the effective components of coronatine and mepiquat chloride;
the weight ratio of coronatine to mepiquat chloride is 0.0001-0.01: 1 to 20.
In the composition, the weight ratio of the coronatine to the mepiquat chloride is 0.0001-0.01: 1. 0.0001 to 0.01: 20. 1: 10000-1: 200000, 1: 10000-100000, 1:10000-50000, 1:100-10000, 1:100-500, and 1: 100-200;
specifically, the weight ratio is 0.001% -0.01%: 1%, 0.001% -0.01%: 5%, 0.002%: 5-10%, 0.006%: 5%, 0.5%: 6%, 0.001%: 1%, 0.001%: 1-10%, 0.01%: 1%, 1%: 10%, 0.5%: 8%, 0.1%: 10%, 0.001% -0.06%: 1%, 0.001% -0.06%: 5%, 0.001% -0.01%: 1% or 0.001% -0.01%: 5 percent.
In addition, plant growth regulating preparations comprising the above-mentioned compositions also belong to the scope of the present invention.
Specifically, the dosage form of the plant growth regulating preparation can be any one of agriculturally acceptable dosage forms, and specifically can be at least one of a soluble agent, a water dispersible granule, a wettable powder, a suspending agent and an effervescent tablet.
The plant growth regulating preparation also contains an auxiliary agent;
the auxiliary agents are conventional auxiliary agents and are specifically selected from at least one of solvents, emulsifiers, antifreezing agents, preservatives, antifoaming agents, dispersing agents, wetting agents, disintegrating agents, adhesives, carriers, thickening agents, water-blocking agents, acidic effervescent agents, alkaline effervescent agents and lubricating agents.
The solvent is at least one selected from ethanol, propanol, isopropanol, propylene glycol, glycerol, n-butanol, isobutanol, tert-butanol, ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, ethyl acetate, mineral oil, aromatic hydrocarbon solvent oil and methyl oleate;
the emulsifier is various conventional surfactants, and can be selected from at least one of cationic surfactant, anionic surfactant, nonionic surfactant and zwitterionic surfactant;
the antifreezing agent is at least one selected from ethylene glycol, glycerol, 1, 2-propylene glycol, polyethylene glycol, urea, sorbitol and sodium chloride;
the preservative is selected from at least one of sodium sorbate, benzoic acid, WINN 0044, sorbic acid, sodium benzoate, benzaldehyde, p-hydroxybenzaldehyde, sodium salicylate and 2-hydroxybiphenyl;
the defoaming agent is at least one of an organic silicon defoaming agent, a polyether defoaming agent or a polyether modified polysiloxane defoaming agent;
the dispersing agent is selected from at least one of Tersperse 2425, Tersperse2500, polycarboxylate, naphthalene sulfonate, lignosulfonate, fatty alcohol polyoxyethylene ether phosphate, alkyl naphthalene sulfonate, alkylphenol polyoxyethylene ether sulfonate, NNO, sodium dodecyl benzene sulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate and SP-SC 3;
the wetting agent is selected from at least one of naphthalene sulfonate, fatty alcohol sulfate, dodecyl benzene sulfonate, lauryl sodium sulfate, fatty alcohol polyoxyethylene ether, alkyl sulfonate, secondary alkyl sodium sulfate, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sorbitan fatty acid ester polyoxyethylene ether, Tersperse2500, alkylphenol polyoxyethylene ether phosphate, phenethylphenol polyoxyethylene ether phosphate, alkyl sulfate, naphthalene sulfonate, fatty alcohol sulfate, water-soluble chitosan, calcium stearate, magnesium stearate and talcum powder;
the disintegrating agent is at least one selected from ammonium sulfate, urea, corn starch and derivatives thereof, low-substituted hydroxypropyl cellulose, polyvinylpyrrolidone and sodium alginate;
the adhesive is selected from at least one of hydroxyethyl cellulose, soluble starch, polyethylene glycol, methyl cellulose, dextrin, fructose and polyvinyl alcohol;
the carrier is at least one selected from white carbon black, kaolin, bentonite, diatomite, light calcium carbonate, gypsum, attapulgite, talcum powder, montmorillonite, urea and sucrose;
the thickening agent is at least one of xanthan gum, polyvinyl alcohol sodium alginate, carboxymethyl cellulose, guar gum, sodium polyacrylate, organic bentonite and magnesium aluminum silicate;
the antifreezing agent is at least one selected from ethylene glycol, glycerol, 1, 2-propylene glycol, polyethylene glycol, urea, sorbitol and sodium chloride;
the preservative is selected from at least one of sodium sorbate, benzoic acid, WINN 0044, sorbic acid, sodium benzoate, benzaldehyde, p-hydroxybenzaldehyde, sodium salicylate and 2-hydroxybiphenyl;
the defoaming agent is at least one of an organic silicon defoaming agent, a polyether defoaming agent and a polyether modified polysiloxane defoaming agent;
the water-blocking agent is at least one selected from calcium hydrophosphate, white carbon black, calcium carbonate, bentonite, diatomite and aluminum oxide;
the acidic effervescent agent is selected from at least one of citric acid, tartaric acid, oxalic acid, maleic acid, fumaric acid, malic acid, succinic acid and adipic acid;
the alkaline effervescent agent is selected from at least one of sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium carbonate and ammonium bicarbonate;
such as sodium or calcium salts of polycarboxylates, lignosulfonates, and the like.
The sum of the mass of the coronatine and the mepiquat chloride accounts for 1.0001-20.01% of the total mass of the plant growth regulating preparation; specifically, it may be 1.001%, 1.006%, 1.01%, 5.002%, 5.006%, 6.5%, 8.5%, 10.002%, 10.1%, 11%, 1.001-11%, or 5.002-20.01%, or 20.01%;
in addition, the application of the composition or plant growth regulating preparation provided by the invention in at least one of the following methods also belongs to the protection scope of the invention:
a. regulating plant type of the plant;
b. improving the abiotic stress resistance of the plants;
c. the yield of the plants is improved;
d. promoting the growth of plants.
Specifically, the plant is cotton;
the abiotic stress resistance is drought resistance and/or cold resistance.
The application method of the composition or the plant growth regulating preparation is a spraying method, and other application technologies applied in agriculture can also be adopted according to requirements.
The composition provided by the invention is scientific in collocation and reasonable in proportion, can adjust the plant type of cotton, has various stress resistance activities, and can increase the yield of cotton. Indoor tests prove that the composition has good vigorous-control and stress-resistant effects on cotton. The plant growth regulator can regulate the plant type of cotton, avoid manual topping, improve the low temperature resistance and drought activity of cotton, effectively reduce the investment of labor force, and simultaneously can avoid the negative effects of runt seedling, cotton yield reduction risk and the like caused by only spraying mepiquat chloride in the seedling stage of cotton. Compounding coronatine and mepiquat chloride according to a certain proportion finds that the activity of a mixed preparation is greatly improved compared with that of a single preparation, and the mixed preparation has great development value compared with a single preparation.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples, but the present invention is not limited to the following examples. The method is a conventional method unless otherwise specified. The starting materials are commercially available from the open literature unless otherwise specified. The percentages in the examples below are by weight.
Example 1 preparation of 1.001% Coronacin Methylpipedinium solution
0.001% of coronatine raw drug, 1% of mepiquat chloride raw drug, 5% of auxiliary agent phenethyl phenol polyoxyethylene ether formaldehyde condensate No. 700 (Nanjing Jieron scientific and technological Co., Ltd.), 0.2% of organic silicon defoamer, 0.5% of preservative and the balance of water to 100%; the materials are added into a mixer according to the weight percentage and are mixed evenly, and the 1.001 percent coronatine-mepiquat chloride soluble agent is prepared. The water may be diluted to a solution of any desired concentration.
Example 2 preparation of 1.006% Guangxin Mepighianium wettable powder
0.006% of coronatine raw drug, 1% of mepiquat chloride raw drug, 5% of sodium dodecyl benzene sulfonate, 3% of NNO and the balance of light calcium carbonate to 100%; the materials are added into a mixer according to the weight percentage and are evenly mixed, crushed by a jet mill and fully mixed in a mixing kettle to prepare 1.006 percent of the crown bacterin and mepiquat chloride wettable powder. The water may be diluted to a suspension of any desired concentration.
Example 3, 1.01% preparation of coronatine mepiquat chloride suspension
0.01% of coronatine raw drug, 1% of mepiquat chloride raw drug, SP-SC 35%, 3% of sodium lignosulfonate, 0.3% of xanthan gum, 5% of ethylene glycol, 0.2% of organic silicon defoamer, 0.5% of sodium benzoate and water which are complemented to 100%; the materials are added into a mixer according to the weight percentage and mixed evenly, and are fully ground in a sand mill, so that the 1.01 percent coronatine-mepiquat chloride suspending agent can be prepared. The water may be diluted to a suspension of any desired concentration.
Example 4 preparation of 20.01% Coronacin Methylpiperazinium Water dispersible granule
0.01% of coronatine raw drug, 20% of mepiquat chloride raw drug, 5% of Terspers2425 (alkyl naphthalene sulfonate, produced by Hensman, USA), 2% of urea 5% of Tersperse2500 (alkyl naphthalene sulfonate, produced by Hensman, USA), 5% of soluble starch, 1% of xanthan gum, 15% of ammonium sulfate and the balance of kaolin to 100%; adding the materials into a mixer according to the weight percentage, uniformly mixing, crushing by a jet mill, adding a proper amount of water for kneading, granulating the kneaded material by an extrusion granulator, drying and screening to obtain the 20.01 percent coronatine-mepiquat chloride water dispersible granule.
EXAMPLE 5, 5.006% formulation of coronatine Methylpiperidium effervescent tablet
0.006 percent of coronatine original drug, 5 percent of mepiquat chloride original drug, 700#5 percent of auxiliary agent phenethyl phenol polyoxyethylene ether formaldehyde condensate, 0.2 percent of organic silicon defoamer, 0.5 percent of preservative and water which are complemented to 100 percent; the materials are added into a mixer according to the weight percentage and are mixed evenly, and the 5.006 percent coronatine-mepiquat chloride effervescent tablet is prepared.
Plant type regulation and control test for indoor potted cotton
According to the example 3, the ratio of coronatine and mepiquat chloride is replaced according to the table 1 to obtain compositions with different ratios and different contents, cotton seedlings are treated by single agent, and the rationality of mixing is measured by agronomic performance indexes such as plant height of the cotton seedlings and the like of a blank control area.
Preparing 0.01% mother liquor by using ethanol after 98% coronatine original drug is folded, preparing 0.1% mother liquor by using water after 95% mepiquat chloride original drug is folded, respectively using 100 times of mother liquor to test potted cotton, applying pesticide for 1 time, and spacing 15 days in the seedling stage of the cotton;
example 3 and different proportions of suspending agent were sprayed with 1500 times the same application method as described above;
treating the blank group with water to obtain treated CK;
measuring data such as plant height, cotyledon node height and the like 15 days after the second pesticide application; the test results are shown in Table 1.
TABLE 1 Effect of coronatine and Mepighiazolium complex formulation on Cotton plants
| Treatment of | Upper height of cotyledonary node (cm) | Plant height (cm) | |
| CK | 8.1a | 21.5a | |
| COR | 7.0 b | 19.3b | |
| 1 | 0.002％COR·10％DPC | 6.2c | 18.7bc |
| 2 | 0.002％COR·5％DPC | 6.2c | 19.1b |
| 3 | 0.006％COR·5％DPC | 6.4bc | 18.8b |
| 4 | 0.5％COR·6％DPC | 4.8d | 17.6cd |
| 5 | 0.001％COR·1％DPC | 5.5d | 18.7bc |
| 6 | 0.01％COR·1％DPC | 6.3c | 18.8bc |
| 7 | 1％COR·10％DPC | 4.8d | 17.1d |
| 8 | 0.5％COR·8％DPC | 5.2d | 17.1d |
| 9 | 0.1％COR·10％DPC | 5.1d | 17.7cd |
Note: different letters represent significant differences, and the significance P is less than 0.05
As can be seen from Table 1, in the coronatine and mepiquat chloride compound preparation provided by the invention, the height of the cotyledonary node of cotton after being regulated and controlled by the processed 7 (namely 1% COR.10% DPC) coronatine and mepiquat chloride compound preparation is 4.8cm, the plant height is 17.1cm, and compared with a blank control, the inhibition rates are 40.7% and 20.5% respectively; the height of the cotyledon node of the cotton regulated and controlled by the compound preparation of the 8-treated (namely 0.5% COR.8% DPC) coronatine and mepiquat chloride is 5.2cm, the plant height is 17.1cm, and compared with a blank control, the inhibition rates are respectively 35.8% and 20.5%.
Drought resistance test of indoor potted cotton
According to the example 3, the ratio of the coronatine and the mepiquat chloride raw materials is only replaced according to the table 1, so that the compositions with different ratios and different contents and single-agent treated cotton seedlings are obtained (the ratio of the 1-9 coronatine raw materials and the mepiquat chloride raw materials treated in the table 2 is the same as that in the table 1), and the rationality of mixing is measured by the survival rate index of the cotton seedlings in a blank control area.
Preparing 0.01% mother liquor by using ethanol after 98% coronatine original drug is folded, preparing 0.1% mother liquor by using water after 95% mepiquat chloride original drug is folded, respectively using 100 times of mother liquor to test potted cotton, applying pesticide for 1 time, and spacing 15 days in the seedling stage of the cotton; example 3 and different proportions of suspending agent were sprayed with 1500 times the same application method as described above; treating the blank group with water; drought stress is carried out 7 days after the application of the pesticide, the survival rate of cotton seedlings is counted 7 days after the drought stress, and the test results are shown in a table 2.
TABLE 2 Effect of coronatine and Mepighiazolium complex formulation on cotton seedling drought resistance
| Treatment of | Survival rate (%) |
| CK | 13.3e |
| COR | 13.3e |
| 1 | 53.3d |
| 2 | 53.3d |
| 3 | 73.3c |
| 4 | 93.3a |
| 5 | 73.3c |
| 6 | 73.3c |
| 7 | 93.3a |
| 8 | 93.3a |
| 9 | 86.79b |
Note: different letters represent significant differences, significance P < 0.05.
As can be seen from Table 2, all treatments 1-9 had higher survival rates than CK and COR. Among these, treatments 4 (i.e., 0.5% COR.6% DPC), 7 (i.e., 0.5% COR.6% DPC), and 8 (i.e., 0.5% COR.8% DPC) had the highest survival rates of 93.3% after administration of the coronatine and mepiquat chloride combination formulation.
As can be seen from the results in tables 1 and 2, the composition provided by the invention is scientific in collocation and reasonable in proportion, can adjust the plant type of cotton, has various stress resistance activities, and can increase the yield of cotton. Indoor tests prove that the composition has good vigorous-control and stress-resistant effects on cotton. The plant growth regulator can regulate the plant type of cotton, avoid manual topping, improve the low temperature resistance and drought activity of cotton, effectively reduce the investment of labor force, and simultaneously can avoid the negative effects of runt seedling, cotton yield reduction risk and the like caused by only spraying mepiquat chloride in the seedling stage of cotton. Compounding coronatine and mepiquat chloride according to a certain proportion finds that the activity of a mixed preparation is greatly improved compared with that of a single preparation, and the mixed preparation has great development value compared with a single preparation.
Claims (8)
1. A composition comprises coronatine and mepiquat chloride as effective components;
the weight ratio of coronatine to mepiquat chloride is 0.0001-0.01: 1 to 20.
2. The composition of claim 1, wherein: the weight ratio of coronatine to mepiquat chloride is 1: 10000-1: 200000.
3. a plant growth regulating formulation comprising the composition of any one of claims 1 or 2.
4. A plant growth regulating formulation according to claim 3, characterized in that: the dosage form of the plant growth regulating preparation is selected from at least one of soluble solution, water dispersible granules, wettable powder, suspending agent and effervescent tablets.
5. The plant growth regulating formulation according to claim 4, characterized in that: the plant growth regulating preparation also contains an auxiliary agent;
the auxiliary agent is at least one selected from a solvent, an emulsifier, an antifreeze, a preservative, an antifoaming agent, a dispersant, a wetting agent, a disintegrating agent, an adhesive, a carrier, a thickening agent, a water-blocking agent, an acidic effervescent agent, an alkaline effervescent agent and a lubricant.
6. A plant growth regulating formulation according to any one of claims 3 to 5, characterized in that: the sum of the mass of the coronatine and the mepiquat chloride accounts for 1.0001-20.01% of the total mass of the plant growth regulating preparation.
7. Use of a composition according to claim 1 or 2 or a plant growth regulating formulation according to any one of claims 3 to 6 in at least one of:
a. regulating plant type of the plant;
b. improving the abiotic stress resistance of the plants;
c. the yield of the plants is improved;
d. promoting the growth of plants.
8. Use according to claim 7, characterized in that: the plant is cotton;
the abiotic stress resistance is drought resistance and/or cold resistance.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张特; 赵强; 李广维: "《缩节胺在棉花上的应用技术研究进展》", 《中国棉花》 * |
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