CN113115779A - Plant growth regulating composition containing flumetralin - Google Patents

Plant growth regulating composition containing flumetralin Download PDF

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Publication number
CN113115779A
CN113115779A CN201911414488.1A CN201911414488A CN113115779A CN 113115779 A CN113115779 A CN 113115779A CN 201911414488 A CN201911414488 A CN 201911414488A CN 113115779 A CN113115779 A CN 113115779A
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flumetralin
plant growth
growth regulating
growth
weight ratio
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Inventor
张通
曹巧利
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Shaanxi Meibang Pharmaceutical Group Co ltd
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Shaanxi Meibang Pharmaceutical Group Co ltd
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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
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
    • 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
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18—Nitro 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
    • 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
    • A01N37/42—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 within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a plant growth regulating composition containing flumetralin, which comprises active ingredients A and B as effective active ingredients, wherein the active ingredient A is flumetralin, and the active ingredient B is selected from any one of the following compounds: the composition of the invention increases the resistance of the induced plant to the adverse growth environment in the growth and development process of the plant, promotes the growth of lateral buds, tubers and bulbs, inhibits the vigorous growth of the plant, promotes the falling of leaves, flowers and fruits, and can also improve the drought resistance, cold resistance and disease and insect resistance of certain crops.

Description

Plant growth regulating composition containing flumetralin
Technical Field
The invention belongs to the technical field of pesticides, and relates to application of a plant growth regulating composition containing flumetralin to crops.
Technical Field
Flumetralin, brassinolide and S-abscisic acid are all common plant growth regulators in the field of pesticides.
Experiments show that the compound of the flumetralin with different action mechanisms, the brassinolide and the S-abscisic acid can increase the resistance of the induced plants to the adverse growth environment in the growth and development process of the plants, promote the growth of lateral buds, tubers and bulbs, inhibit the vigorous growth of the plants, promote the falling of leaves, flowers and fruits and improve the drought resistance, cold resistance and disease and insect resistance of certain crops.
Disclosure of Invention
The invention aims to provide a composition containing flumetralin, which has a synergistic effect, low use cost and good effect.
The invention is realized by the following technical scheme:
a plant growth regulating composition containing flumetralin, which comprises active ingredients A and B as effective active ingredients, and is characterized in that: the weight ratio of the active component A to the active component B is 99: 1-29999: 1, the active component A is flumetralin, and the active component B is selected from one of brassinolide and S-abscisic acid.
Further, the weight ratio of the flumetralin to the brassinolide is 4999: 1-29999: 1; the weight ratio of the fluazinam to the S-abscisic acid is 499: 1-4999: 1.
More preferably, the weight ratio of flumetralin to brassinolide is 9999: 1-24999: 1; the weight ratio of the fluazinam to the S-abscisic acid is 999: 1-2499: 1.
The most preferred weight ratio of flumetralin to brassinolide is 24999: 1; the weight ratio of the fluazinam to the S-abscisic acid is 2499: 1.
The plant growth regulating composition containing the flumetralin can be prepared into dosage forms such as wettable powder, water dispersible granules, suspending agents, microcapsule suspension-suspending agents, oil suspending agents, aqueous emulsion, microemulsion and ultra-low volume liquid according to a method known by a person skilled in the art, and can also be prepared into effervescent tablets, seed coatings and coating agents.
The plant growth regulating composition containing the flumetralin comprises 0.1-70% of effective active ingredients, preferably 1-60%, and most preferably 5-50% of the total weight of the composition.
The plant growth regulating composition containing the flumetralin is used for regulating plant growth, inhibiting and controlling buds, promoting leaf fall-off and increasing fruit weight, and is mainly used for controlling the buds of citrus trees and increasing the fruit weight.
The surfactants selected for use in the antimicrobial stimulation compositions of the present invention are well known to those skilled in the art: can be selected from one or more of dispersing agent, wetting agent, thickening agent or defoaming agent. The formulations may also contain stabilizers, anti-freeze agents, etc. known to those skilled in the art, depending on the dosage form.
The composition comprises the following components in percentage by weight when prepared into wettable powder: 0.05-70% of active component A, 0.0001-0.5% of active component B, 2-10% of dispersing agent, 2-10% of wetting agent and the balance of filler.
When the composition is prepared into water dispersible granules, the composition comprises the following components in percentage by weight: 0.05-70% of active ingredient A, 0.0001-0.5% of active ingredient B, 3-12% of dispersing agent, 1-8% of wetting agent, 1-10% of disintegrating agent, 0-8% of binding agent and the balance of filler.
When the composition is prepared into an aqueous emulsion, the composition comprises the following components in percentage by weight: 0.05-0.5% of active component A, 0.0001-0.5% of active component B, 2-6% of cosolvent, 1-10% of wetting agent, 0-8% of antifreeze agent and 100% of deionized water.
The composition comprises the following components in percentage by weight when prepared into a suspending agent: 0.5-50% of active component A, 0.0001-0.5% of active component B, 1-10% of dispersing agent, 1-10% of wetting agent, 0.01-2% of defoaming agent, 0-2% of thickening agent, 0-8% of antifreeze agent and 100% of deionized water.
When the composition is prepared into a microcapsule suspending agent, the composition comprises the following components in percentage by weight: 0.5-50% of active ingredient A, 0.0001-0.5% of active ingredient B, 1-10% of polymer capsule wall material, 2-10% of dispersant, 1-10% of solvent, 1-7% of emulsifier, 0.01-5% of pH regulator, 0.01-2% of defoaming agent and 100% of deionized water.
The composition comprises the following components in percentage by weight when being prepared into a microcapsule suspension-suspending agent: 0.5-50% of active component A, 0.0001-0.5% of active component B, 1-12% of polymer capsule wall material, 1-12% of dispersant, 1-8% of wetting agent, 1-15% of solvent, 1-8% of emulsifier, 0.01-2% of defoamer, 0-2% of thickener, 0.01-5% of pH regulator and deionized water added to 100%.
The wettable powder has the main technical indexes that:
Figure BDA0002350833890000031
Figure BDA0002350833890000041
the water dispersible granule has the main technical indexes that:
Figure BDA0002350833890000042
the suspending agent of the invention has the main technical indexes that:
Figure BDA0002350833890000043
the microcapsule suspending agent of the invention has the main technical indexes that:
Figure BDA0002350833890000044
the microcapsule suspension-suspending agent has the main technical indexes that:
Figure BDA0002350833890000045
the invention has the advantages that:
(1) after the flumetralin is compounded with brassinolide and S-abscisic acid, the composition has obvious synergy and lasting effect; (2) the plant growth regulator has higher activity on grain crops, bean crops, fiber crops, sugar crops, melon crops, fruit crops, dry fruit crops, hobby crops, root crops, oil crops, flower crops, medicinal crops, raw material crops and green manure forage crops; (3) the dosage of the pesticide is reduced, the residual quantity of the pesticide on crops is reduced, and the environmental pollution is reduced; (4) the coating is safe to human and livestock and has good environmental compatibility; the preparation has enhanced adhesive force and is resistant to rain wash; (5) effectively inhibit the vigorous growth and the bud of crops.
Detailed Description
The invention will be further illustrated with reference to the following examples, in which the percentages are by weight, but the invention is not limited thereto.
Application embodiment 1
Examples 1 to 4 wettable powders
The fluazinam, the active ingredient B, the dispersant, the wetting agent and the filler are uniformly mixed in a mixing cylinder, and are crushed by a jet mill and then uniformly mixed to prepare the wettable powder product, wherein the wettable powder product is shown in Table 1.
TABLE 1 examples 1-4 compositions and parts by weight
Figure BDA0002350833890000051
Examples 5 to 8 Water dispersible granule
The flunomide, the active ingredient B, the dispersing agent, the wetting agent, the disintegrating agent, the filler and the like are crushed by airflow to obtain the required particle size, and other auxiliary agents such as a binder (optionally added) and the like are added to obtain the granulating material. And (3) quantitatively feeding the material into a fluidized bed granulation dryer, granulating and drying to obtain the water dispersible granule product disclosed by the invention, which is shown in table 2.
TABLE 2 examples 5-8 compositions and amounts
Figure BDA0002350833890000061
Examples 9-16 suspending agents
Uniformly shearing and mixing a dispersing agent, a wetting agent, a defoaming agent, a thickening agent (which may be added or not added) and an antifreeze agent (which may be added or not added) at a high speed, adding the flunomide and the active ingredient B, and complementing the balance with deionized water, and performing ball milling in a ball mill for 2-3 hours to ensure that the particle size of particles is below 5 mu m, thereby preparing the suspending agent product. See table 3 for details.
TABLE 3 examples 9-16 compositions and amounts
Figure BDA0002350833890000062
Figure BDA0002350833890000071
Example 17-20 emulsion in water
Adding fluvalinamide, an active ingredient B, a solvent and an emulsifier together to dissolve the mixture into a uniform oil phase; mixing deionized water, antifreeze agent (optionally), thickener (optionally), and defoaming agent together to obtain uniform water phase. Adding the water phase into the oil phase under high-speed stirring, and supplementing the balance with deionized water; the aqueous emulsion product of the invention can be prepared, and the details are shown in Table 4.
TABLE 4 examples 17 to 20 compositions and parts by weight
Figure BDA0002350833890000072
Application example two indoor toxicity test
Firstly, a test specimen: growth regulating effect of citrus
The test medicament is provided by Shaanxi Meibang pharmaceutical industry group GmbH.
And (3) experimental design: the effective inhibition concentration range of the flumetralin and brassinolide technical and the mixture of the flumetralin and brassinolide technical in different proportions is determined through a preliminary test.
According to NY/T2061.2-2011 and 2061.5-2016 methods, flumetralin, brassinolide and different mixing ratios thereof have the growth regulating effect on oranges, flumetralin, brassinolide and S-abscisic acid are prepared according to different concentrations, potted plants are adopted, 1 plant/pot are adopted, the plant is 6 years old, the plant is placed in a scientific research chamber and naturally grows, spraying is carried out in the young fruit period 15-20 days after the first pesticide is applied 7-10 days after the flowers are shed on the oranges, pesticide application is carried out for 2 times, each concentration treatment is 4 times, 10 fruits are randomly taken in each repetition in the receiving period, and the single fruit weight is determined.
The theoretical fruit setting effect/theoretical single fruit growth rate E0(E0 ═ X + Y-X Y/100) of each treated mixed solution was calculated by the Gowing method with reference to the method recommended in NY2061.5-2016, and then the combined effect of the two solutions on the regulation of the growth of citrus was evaluated by comparison with the measured fruit setting effect/measured single fruit weight growth rate (E).
The experimental results are as follows:
TABLE 5 Effect analysis of Flumetralin and brassinolide combinations on growth regulation of Citrus
Figure BDA0002350833890000081
As can be seen from Table 5, the mixture ratio of flumetralin to brassinolide is 4999: 1-29999: 1, so that the growth regulation of citrus is well promoted, and when the mixture ratio is 19999: 1-29999: 1, the synergism is outstanding, the weight of a single fruit can be effectively increased, and the fruit setting effect can be improved. Wherein, the growth promotion rate is the largest when the weight ratio of the flumetralin to the brassinolide is 24999:1, and the growth of crops can be promoted and the quality of the crops can be improved, therefore, the method has good application and popularization values.
TABLE 6 analysis of the Effect of flumetralin and Szechtin on the growth regulation of Citrus
Figure BDA0002350833890000091
As shown in Table 6, the ratio of the flumetralin to the S-abscisic acid is 99: 1-9999: 1, the growth regulation of citrus is well promoted, and the synergism is remarkable when the ratio is in the range of 999:1 to 4999: 1. Wherein, the growth promotion rate is the largest when the weight ratio of the flumetralin to the S-abscisic acid is 2499:1, and the growth of crops can be promoted and the quality of the crops can be improved, so the method has good application and popularization values.
Application example three efficacy experimental part
The test medicament is developed and provided by Shaanxi Meibang pharmaceutical industry group member company, and the contrast medicament is 25 percent of flumetralin suspending agent (purchased from the market), 0.01 percent of brassinolide aqueous solution (purchased from the market) and 0.1 percent of S-abscisic acid aqueous solution (purchased from the market).
Drug effect test of flumetralin and partial active ingredient B and compounding of flumetralin and partial active ingredient B on growth regulation of citrus
The experiment is arranged in a certain orange garden in Qingshen county of Sichuan province, the orange tree is transplanted in 2014, and the orange tree varieties are as follows: pretty girl 38, about 5 years old, planting density: the method comprises the steps of repeating for 4 times at a rate of about 60 plants/mu, arranging protection rows in each cell with 2 trees, applying the pesticide for 1 time in the early spring tips and the early summer tips of the citrus, and preparing the pesticide solution by a secondary dilution method, wherein the water consumption of each plant is about 1 liter. The investigation method comprises the following steps: c, tip control survey: the length of each cell was measured by calibrating 10 shoots per cell. And (3) yield measurement: the total yield and the single fruit weight of 1 tree are measured in each cell, the shoot length is respectively investigated and recorded 15 days and 30 days after the medicine is taken, the single fruit weight and the yield are investigated during harvesting, and random sampling and sample sending are carried out for measuring the quality in each treatment. The test conforms to the quality management standard of pesticide registration test, the standard of pesticide field efficacy test GB/T17980.145-2004 and the SOP-TM-076a citrus shoot control test. Spraying clear water in the blank, taking the average value of the weight of a single fruit and the average value of the yield of 1 plant as reference standards, and calculating the yield and the weight gain of the mixed-pair citrus for regulating the growth, wherein the test results are as follows:
TABLE 7 experiment of the growth regulating effect of the combination of flumetralin and part of the active ingredient B on citrus
Figure BDA0002350833890000101
Figure BDA0002350833890000111
As can be seen from Table 7, after the flumetralin is compounded with part of the active ingredient B, the growth of the citrus can be effectively controlled, the excessive growth phenomenon in summer tips is controlled, the yield of each plant is increased, the effect is obviously superior to that of a control single agent, and the treatment agents are safe to the citrus and have no phytotoxicity.
Diflumetralin and partial active ingredient B and test for adjusting tobacco bud inhibition effect by compounding same
The test is arranged in the Pucheng county of Shaanxi province, the pesticide is applied by adopting a cup spraying method, when 50% of first flowers in the tobacco field bloom at the center of the tobacco plants, the pesticide is applied within 24 hours, the dosage of each plant is about 20mL, and axillary buds exceeding 2cm are wiped off during the pesticide application. Investigating each time 15 days and 30 days after the application, investigating the fresh weight of axillary buds,
Figure BDA0002350833890000112
Figure BDA0002350833890000113
the test results are shown below:
TABLE 8 Effect of Flumetralin compounded with part of active ingredient B on tobacco suckercide inhibition
Figure BDA0002350833890000121
As can be seen from Table 8, the flumetralin can effectively inhibit the growth of tobacco axillary buds after being compounded with part of the active ingredient B, increase the yield and is safe to tobacco.
Experiment of cotton growth regulating effect of triflumfluvalinate, flumetralin and partial active ingredient B through compounding
The test is arranged in the city of Typha city, Weinan, Shanxi province, the cotton is applied once in the initial flowering period, the cotton is applied 2 times after 7 days, whether the cotton is damaged by the pesticide is observed 7 days and 14 days after the pesticide is applied, and the plant height, the number of fruit branches of a single plant, the number of bolls and the yield are investigated 30 days after the last pesticide application. The water consumption per mu is 40kg, and the test results are as follows:
TABLE 9 experiment of the cotton growth regulating effect of the combination of flumetralin and part of the active ingredient B
Figure BDA0002350833890000122
Figure BDA0002350833890000131
As can be seen from Table 9, flumetralin and part of the active ingredient B have good promoting effects on the growth and yield of cotton, and are safe to cotton and harmless to cotton.

Claims (7)

1. A plant growth regulating composition containing flumetralin, which comprises active ingredients A and B as effective active ingredients, and is characterized in that: the weight ratio of the active component A to the active component B is 99: 1-29999: 1, the active component A is flumetralin, and the active component B is selected from one of brassinolide and S-abscisic acid.
2. The flumetralin-containing plant growth regulating composition according to claim 1, characterized in that: the weight ratio of the flumetralin to the brassinolide is 4999: 1-29999: 1;
the weight ratio of the fluazinam to the S-abscisic acid is 499: 1-4999: 1.
3. The flumetralin-containing plant growth regulating composition according to claim 2, characterized in that:
the weight ratio of the flumetralin to the brassinolide is 9999: 1-24999: 1;
the weight ratio of the fluazinam to the S-abscisic acid is 999: 1-2499: 1.
4. The flumetralin-containing plant growth regulating composition according to claim 3, characterized in that:
the weight ratio of flumetralin to brassinolide is 24999: 1;
the weight ratio of the fluazinam to the S-abscisic acid is 2499: 1.
5. The flumetralin-containing plant growth regulating composition according to any one of claims 1 to 4, characterized in that: the composition can be prepared into wettable powder, water dispersible granules, suspending agents, microcapsule suspending-suspending agents, oil suspending agents, emulsion in water, microemulsion and ultra-low volume liquid.
6. Use of the flumetralin-containing plant growth regulating composition according to claim 5 for regulating plant growth, suppressing shoots and controlling tips, promoting leaf abscission, increasing fruit weight.
7. Use of a plant growth regulating composition according to claim 6 for tip control and fruit weight enhancement in citrus trees.
CN201911414488.1A 2019-12-31 2019-12-31 Plant growth regulating composition containing flumetralin Pending CN113115779A (en)

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Application publication date: 20210716