CN114467961A - Synergistic herbicide rich in organic silicon and vegetable oil auxiliary agent and preparation method thereof - Google Patents
Synergistic herbicide rich in organic silicon and vegetable oil auxiliary agent and preparation method thereof Download PDFInfo
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- CN114467961A CN114467961A CN202111579685.6A CN202111579685A CN114467961A CN 114467961 A CN114467961 A CN 114467961A CN 202111579685 A CN202111579685 A CN 202111579685A CN 114467961 A CN114467961 A CN 114467961A
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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
- A01N43/72—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
- A01N43/88—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 six-membered rings with three ring hetero atoms
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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
- 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
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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
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
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Abstract
The invention discloses a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents, which comprises a herbicide, organic silicon and vegetable oil auxiliary agents. The synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents and the preparation method thereof are characterized in that the adhesion enhancer, the pesticide spreader I, the pesticide wetting agent and the pesticide super-strong penetrant are used for increasing the residence time of the herbicide on the leaf surfaces of weeds, the pesticide spreader I is used for reducing the surface tension, increasing the spreading of liquid medicine on the leaf surfaces of the weeds and shortening the uniform distribution time of the herbicide on the leaf surfaces of the weeds, the pesticide super-strong penetrant I is used for increasing the absorption of the weeds to the herbicide, the pesticide wetting agent is used for increasing the stability of products, slowing down the reaction and keeping the chemical balance, the pesticide spreader II and the pesticide super-strong penetrant are used for improving the dispersibility of the herbicide, improving the effective utilization rate of the herbicide and reducing the dosage of the herbicide.
Description
Technical Field
The invention relates to the technical field of herbicides, in particular to a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents and a preparation method thereof.
Background
At present, chemical weeding is still the main method for controlling weeds in a flax field, but with long-term, large-amount and single use of herbicides, the drug resistance of weeds in the flax field is increasingly serious, and the problems of pesticide residue in crops, environmental pollution and the like can be caused. How to reduce the dosage of chemical herbicide and further improve the weeding effect is increasingly paid attention to. The development of a novel high-activity herbicide is a method for solving the problems, but the investment for developing the novel agent is high, the period is long, and the difficulty is high. Therefore, the reasonable optimization of the existing herbicide application method, the improvement of the herbicidal activity and the reduction of the dosage are very important. Bentazone, also called bentazone, lysimachia sikokiana and the like, belongs to heterocyclic selective contact-type post-emergence herbicides, and the highest safety agent is bentazone for preventing and killing broadleaf weeds in broadleaf crop fields up to now. The bentazone belongs to a contact-type selective post-emergence herbicide. The plant leaf infiltration inhibitor is used in a dry field and conducted into chloroplast through plant leaf infiltration to inhibit photosynthesis; when used in paddy fields, the herbicide can permeate through the leaf surfaces of plants, can be absorbed by root systems, is transmitted to stems and leaves, inhibits photosynthesis and water metabolism, and leads the physiological function of weeds to be disordered and die. After 8-16 weeks of application, the bentazone can be decomposed by microorganisms in the soil. How to improve the stem and leaf treatment activity and better exert the weeding effect is also an urgent need. In recent years, the method for improving the activity of the existing pesticide, reducing the dosage, prolonging the service life, delaying the drug resistance and the like by adopting the auxiliary agent tank mixing becomes a research hotspot. Common organosilicon auxiliaries in the market at present can reduce the surface tension of the medicament on the leaf surface, improve the wettability and the spreadability of the medicament on the surface of a target and increase the permeability of the medicament; the activator is a non-ionic surfactant, and can improve the penetrability and conductivity of the pesticide. The vegetable oil auxiliary agent is used as a pesticide auxiliary agent, has the advantages of environmental protection, safety, reproducibility and the like, and conforms to the development direction of future pesticides and auxiliary agents. As the spraying assistant of herbicide spraying assistant, the methyl esterified vegetable oil assistant has synergistic effect on various herbicides; the vegetable oil can also be used as synergist of pesticide and bactericide. Different herbicides can be selected to play the maximum control effect only by selecting different additives aiming at different crops and weeds, so that the research selects one herbicide of 48 percent bentazone AS commonly used in the current production and researches the synergistic effect of two additives of organic silicon and vegetable oil, thereby screening the optimal synergistic amount and the optimal synergistic combination and providing scientific basis for the synergistic decrement use of the 48 percent bentazone AS in the flax field.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents and a preparation method thereof, and the synergistic herbicide has the following advantages and solves the problems.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following raw materials in parts by weight: 400 portions of herbicide 200-one, 5.2-24 portions of organic silicon and 4-8 portions of vegetable oil auxiliary agent.
Preferably, the main component of the herbicide is 48% bentazone AS, the organic silicon comprises an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I, and the vegetable oil auxiliary comprises a pesticide spreader II and a pesticide super-strong penetrant II.
Preferably, the adhesion reinforcing agent is 0.3-0.5 part, the pesticide spreader is one 0.2-0.5 part, the pesticide wetting agent is 0.1-1 part and the pesticide super-strong penetrating agent is one 2-10 parts.
Preferably, the adhesion enhancer is made of dimethyldichlorosilane, the pesticide spreader one is made of phenyltrichlorosilane, the pesticide wetting agent is made of methyltrichlorosilane, and the pesticide super-penetrant one is made of diphenyldichlorosilane or methylphenyldichlorosilane.
Preferably, the pesticide spreader is 3-6 parts, and the pesticide super-strong penetrant is 1-2 parts.
Preferably, the second pesticide spreader is prepared from linear higher fatty acid, the linear higher fatty acid comprises palmitic acid, stearic acid, oleic acid and various unsaturated acids, the various unsaturated acids comprise erucic acid, eleostearic acid and ricinoleic acid, the second pesticide super-strong penetrant is prepared from glyceride, and minerals such as vitamin E, K, calcium, iron, phosphorus, potassium and the like are added into the glyceride.
The invention aims to solve another technical problem of providing a preparation method of a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents, which comprises the following steps:
1) dividing the herbicide into two parts with the same component, and weighing an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I which are composed of organosilicon, a pesticide spreader II and a pesticide super-strong penetrant II which are composed of vegetable oil assistants;
2) putting the adhesion reinforcing agent, the pesticide spreader I, the pesticide wetting agent and the pesticide super-strong penetrant I weighed in the step 1 into a reaction kettle, stirring for 30min at the speed of 800-800 r/min until the materials are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring for 15min at the speed of 600-800r/min to obtain the synergistic herbicide with organic silicon;
3) and (2) placing the second pesticide spreader and the second pesticide super-strong penetrant weighed in the step (1) into a reaction kettle, stirring at the speed of 600-plus-800 r/min for 20min until the two pesticides are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring at the speed of 600-plus-800 r/min for 15min to obtain the synergistic herbicide with the vegetable oil additive.
Preferably, the temperature during stirring in step 2 and step 3 is kept at 25 ℃.
(III) advantageous effects
Compared with the prior art, the invention provides a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents and a preparation method thereof, and the synergistic herbicide has the following beneficial effects:
1. the synergistic herbicide rich in organosilicon and vegetable oil auxiliary agent and the preparation method thereof are characterized in that a group of organosilicon is formed by an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant, the adhesion enhancer is used for increasing the residence time of the herbicide on the leaf surfaces of weeds, the pesticide spreader I is used for reducing the surface tension, increasing the spreading of liquid medicine on the leaf surfaces of the weeds and shortening the time for uniformly distributing the herbicide on the leaf surfaces of the weeds, the pesticide super-strong penetrant is used for increasing the absorption of the weeds to the herbicide, and the pesticide wetting agent is used for increasing the stability of products, slowing down the reaction and keeping the chemical balance.
2. The synergistic herbicide rich in organic silicon and the vegetable oil auxiliary agent and the preparation method thereof improve the dispersibility of the herbicide by using the pesticide spreader II and the pesticide super-strong penetrant through the vegetable oil auxiliary agent, improve the effective utilization rate of the herbicide and reduce the dosage of the herbicide.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following raw materials in parts by weight: 200 parts of herbicide, 5.2 parts of organic silicon and 4 parts of vegetable oil auxiliary agent, wherein the main component of the herbicide is 48% bentazone AS, the organic silicon comprises an adhesion enhancer, a first pesticide spreader, a pesticide wetting agent and a first pesticide super-strong penetrant, the vegetable oil auxiliary agent comprises a second pesticide spreader and a second pesticide super-strong penetrant, the adhesion enhancer is 0.3 part, the first pesticide spreader is 0.2 part, the pesticide wetting agent is 0.1 part and the first pesticide super-strong penetrant is 2 parts, the adhesion enhancer is prepared from dimethyldichlorosilane, the first pesticide spreader is prepared from phenyltrichlorosilane, the pesticide wetting agent is prepared from methyltrichlorosilane, the first pesticide super-strong penetrant is prepared from diphenyldichlorosilane or methylphenyldichlorosilane, the second pesticide spreader is 3 parts, the second pesticide penetrant is 1 part, the second pesticide spreader is prepared from straight-chain high fatty acid, and the straight-chain high fatty acid comprises palmitic acid, stearic acid, Oleic acid and various unsaturated acids, wherein the various unsaturated acids comprise erucic acid, eleostearic acid and ricinoleic acid, the pesticide super-strong penetrant II is prepared from glyceride, and minerals such as vitamin E, K, calcium, iron, phosphorus, potassium and the like are added into the glyceride.
A preparation method of a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following steps:
1) dividing the herbicide into two parts with the same component, and weighing an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I which are composed of organosilicon, a pesticide spreader II and a pesticide super-strong penetrant II which are composed of vegetable oil assistants;
2) putting the adhesion enhancer, the first pesticide spreader, the first pesticide wetting agent and the first pesticide super-strong penetrant weighed in the step 1 into a reaction kettle, stirring at the speed of 800r/min for 30min until the mixture is completely mixed, then gradually adding one part of the herbicide into the mixed solution, stirring at the speed of 800r/min for 15min to obtain the synergistic herbicide with organosilicon, using the adhesion enhancer to increase the residence time of the herbicide on the leaf surfaces of weeds through a group of organic silicon of the adhesion enhancer, the first pesticide spreader and the first pesticide super-strong penetrant to reduce the surface tension, increase the spreading of liquid medicine on the leaf surfaces of the weeds and shorten the uniform distribution time of the herbicide on the leaf surfaces of the weeds, using the first pesticide spreader to increase the absorption of the herbicides by the weeds, using the pesticide wetting agent to increase the stability of products, slowing down the reaction and keeping chemical equilibrium;
3) and (3) putting the second pesticide spreader and the second pesticide super-strong penetrant weighed in the step (1) into a reaction kettle, stirring at the speed of 800r/min for 20min until the two pesticides are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring at the speed of 800r/min for 15min to obtain the synergistic herbicide with the vegetable oil auxiliary agent, wherein the stirring temperature in the steps (2) and (3) is kept at 25 ℃, and the dispersibility of the herbicide is better improved by using the second pesticide spreader and the second pesticide super-strong penetrant through the vegetable oil auxiliary agent, so that the effective utilization rate of the herbicide is improved, and the dosage of the herbicide is reduced.
Example two:
a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following raw materials in parts by weight: 400 parts of herbicide, 24 parts of organic silicon and 8 parts of vegetable oil auxiliary agent, wherein the main component of the herbicide is 48% bentazone AS, the organic silicon comprises an adhesion enhancer, a first pesticide spreader, a second pesticide wetting agent and a first pesticide super-strong penetrant, the vegetable oil auxiliary agent comprises a second pesticide spreader and a second pesticide super-strong penetrant, 0.5 part of the adhesion enhancer, 0.5 part of the first pesticide spreader, 1 part of the wetting agent and 10 parts of the first pesticide super-strong penetrant, the adhesion enhancer is made of dimethyldichlorosilane, the first pesticide spreader is made of phenyltrichlorosilane, the wetting agent is made of methyltrichlorosilane, the first pesticide spreader is made of diphenyldichlorosilane or methylphenyldichlorosilane, the second pesticide spreader is 6 parts of the second pesticide, the second pesticide penetrant is 2 parts, the second pesticide spreader is made of straight-chain higher fatty acid, and the straight-chain higher fatty acid comprises palmitic acid, stearic acid, Oleic acid and various unsaturated acids, wherein the various unsaturated acids comprise erucic acid, eleostearic acid and ricinoleic acid, the pesticide super-strong penetrant II is prepared from glyceride, and minerals such as vitamin E, K, calcium, iron, phosphorus, potassium and the like are added into the glyceride.
A preparation method of a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following steps:
1) dividing the herbicide into two parts with the same component, and weighing an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I which are combined from the organosilicon, a pesticide spreader II and a pesticide super-strong penetrant II which are combined from the vegetable oil additive;
2) putting the adhesion enhancer, the first pesticide spreader, the first pesticide wetting agent and the first pesticide super-strong penetrant weighed in the step 1 into a reaction kettle, stirring at the speed of 800r/min for 30min until the mixture is completely mixed, then gradually adding one part of the herbicide into the mixed solution, stirring at the speed of 600r/min for 15min to obtain the synergistic herbicide with organosilicon, using the adhesion enhancer to increase the residence time of the herbicide on the leaf surfaces of weeds through a group of organic silicon of the adhesion enhancer, the first pesticide spreader and the first pesticide super-strong penetrant, reducing the surface tension, increasing the spreading of liquid medicine on the leaf surfaces of the weeds and shortening the uniform distribution time of the herbicide on the leaf surfaces of the weeds, using the first pesticide spreader to increase the absorption of the herbicides by the weeds, using the pesticide wetting agent to increase the stability of products, slowing down the reaction and keeping chemical equilibrium;
3) and (3) putting the second pesticide spreader and the second pesticide super-strong penetrant weighed in the step (1) into a reaction kettle, stirring at the speed of 600r/min for 20min until the two pesticides are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring at the speed of 600r/min for 15min to obtain the synergistic herbicide with the vegetable oil auxiliary agent, wherein the stirring temperature in the steps (2) and (3) is kept at 25 ℃, and the dispersibility of the herbicide is better improved by using the second pesticide spreader and the second pesticide super-strong penetrant through the vegetable oil auxiliary agent, so that the effective utilization rate of the herbicide is improved, and the dosage of the herbicide is reduced.
Example three:
a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following raw materials in parts by weight: 400 parts of herbicide, 12 parts of organic silicon and 6 parts of vegetable oil auxiliary agent, wherein the main component of the herbicide is 48% bentazone AS, the organic silicon comprises an adhesion enhancer, a first pesticide spreader, a second pesticide wetting agent and a first pesticide super-strong penetrant, the vegetable oil auxiliary agent comprises a second pesticide spreader and a second pesticide super-strong penetrant, 0.4 part of the adhesion enhancer, 0.6 part of the first pesticide spreader, 1 part of the wetting agent and 10 parts of the first pesticide super-strong penetrant, the adhesion enhancer is made of dimethyldichlorosilane, the first pesticide spreader is made of phenyltrichlorosilane, the wetting agent is made of methyltrichlorosilane, the first pesticide spreader is made of diphenyldichlorosilane or methylphenyldichlorosilane, the second pesticide spreader is 4 parts of the second pesticide, the second pesticide penetrant is 2 parts, the second pesticide spreader is made of straight-chain higher fatty acid, and the straight-chain higher fatty acid comprises palmitic acid, stearic acid, Oleic acid and various unsaturated acids, wherein the various unsaturated acids comprise erucic acid, eleostearic acid and ricinoleic acid, the pesticide super-strong penetrant II is prepared from glyceride, and minerals such as vitamin E, K, calcium, iron, phosphorus, potassium and the like are added into the glyceride.
A preparation method of a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents comprises the following steps:
1) dividing the herbicide into two parts with the same component, and weighing an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I which are composed of organosilicon, a pesticide spreader II and a pesticide super-strong penetrant II which are composed of vegetable oil assistants;
2) putting the adhesion enhancer, the first pesticide spreader, the first pesticide wetting agent and the first pesticide super-strong penetrant weighed in the step 1 into a reaction kettle, stirring for 30min at the speed of 1000r/min until the materials are completely mixed, then gradually adding one part of the first herbicide into the mixed solution, stirring for 15min at the speed of 800r/min to obtain the synergistic herbicide with organosilicon, using the adhesion enhancer to increase the detention time of the herbicide on the leaf surfaces of weeds through a group of organic silicon of the adhesion enhancer, the first pesticide spreader to reduce the surface tension, increase the spreading of liquid medicine on the leaf surfaces of the weeds and shorten the uniform distribution time of the herbicide on the leaf surfaces of the weeds, using the first pesticide spreader to increase the absorption of the herbicides by the weeds, using the first pesticide wetting agent to increase the stability of products, slowing down the reaction and keeping chemical equilibrium;
3) and (3) putting the second pesticide spreader and the second pesticide super-strong penetrant weighed in the step (1) into a reaction kettle, stirring at the speed of 600r/min for 20min until the two pesticides are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring at the speed of 600r/min for 15min to obtain the synergistic herbicide with the vegetable oil auxiliary agent, wherein the stirring temperature in the steps (2) and (3) is kept at 25 ℃, and the dispersibility of the herbicide is better improved by using the second pesticide spreader and the second pesticide super-strong penetrant through the vegetable oil auxiliary agent, so that the effective utilization rate of the herbicide is improved, and the dosage of the herbicide is reduced.
Experimental example:
15 mix combinations were set:
(1) 48% bentazone AS 300 ml/mu
(2) 48% bentazone AS 300 ml/mu + 0.2% liquid spray of vegetable oil synergist
(3) 48% bentazone AS 300 ml/mu + organic silicon 0.075% liquid spraying amount
(4) 48% bentazone AS 275 ml/mu
(5) 48% bentazone AS 275 ml/mu plus 0.2% liquid spray of vegetable oil synergist
(6) 48% bentazone AS 275 ml/mu + organic silicon 0.075% liquid spraying amount
(7) 48% bentazone AS 250 ml/mu
(8) 48% bentazone AS 250 ml/mu + 0.2% liquid spray of vegetable oil synergist
(9) 48% bentazone AS 250 ml/mu + organic silicon 0.075% liquid spraying amount
(10) 48% bentazone AS 225 ml/mu
(11) 48% bentazone AS 225 ml/mu + 0.2% liquid spray of vegetable oil synergist
(12) 48% bentazone AS 225 ml/mu + organic silicon 0.075% liquid spraying amount
(13) 48% bentazone AS 200 ml/mu
(14) 48% bentazone AS 200 ml/mu + 0.2% liquid spray of vegetable oil synergist
(15) 48% bentazone AS 200 ml/mu + organic silicon 0.075% liquid spraying amount
(16) And artificial weeding
(17) Blank control
Planting in field
Cell area 67m2No repetition is provided. Total 17 cells, about 2 mu of land is needed. The method for calculating the medicine dosage in the community comprises the following steps: for example, 300 ml/mu, 300 ÷ 667 × 67 ═ 30 ml. The method for calculating the water consumption of the community comprises the following steps: 45kg ÷ 667 × 67 ═ 4.5kg ═ 4500 ml. The method for calculating the pesticide spraying auxiliary agent in the residential area comprises the following steps: taking the 0.2% spraying amount of the vegetable oil synergist as an example, 4500ml × 0.2 ÷ 100 ═ 9 ml.
Survey content
The safety of the medicament to the flax was investigated 1, 3, 5 and 7 days after the administration.
Sampling is carried out at diagonal 3 points in each cell 45 days after drug administration, and each point is 0.25m2(50 cm. times.50 cm), the species and the number of various weeds were investigated for broadleaf weeds such as Chenopodium quinoa, and the fresh weight of the aerial parts was determined by pulling out.
The plant control effect and fresh weight control effect are calculated according to the following formula. And (4) carrying out difference significance analysis on the control effect data by using SPSS statistical software.
After maturation, the seeds were examined and the yield was determined
General description of the experiment
The experiment is that seeding is carried out in 6 pm of 5 month and 6 month in 2020, spraying is carried out by using an F-shaped spray head of an electric knapsack manual sprayer in 14 am of 6 month and 14 am of 6 month (sunny and breeze), and under the condition of the same water consumption (45 kg/mu), 2 pesticide spraying aids are added into liquid medicine with different dosages of 48 percent bentazone AS to carry out pesticide spraying
Security survey
After the application, the growth vigor of the flax is visually observed, the treatment of each medicament is safe to the flax, and the flax plants grow normally after the application without the occurrence of phytotoxicity symptoms.
After application, 20 flax plants treated in each cell (see table 1) were randomly sampled at 15d per cell, and the plant height, fresh weight and dry weight of the flax plants treated were not significantly different, and each medicament and medicament combination was safe for flax.
TABLE 1 Regulation list of growth of flax 40 days after seedling
Investigation of herbicidal Effect
TABLE 2 questionnaire of controlling effect of adjuvant on bentazone for controlling broad-leaved weeds such as benne field and Chenopodium
TABLE 3 questionnaire of fresh weight control effect of adjuvant on bentazone for preventing and killing off broad-leaved weeds such as benne field Chenopodium
45 days after the pesticide application, investigation shows that spraying 48 percent bentazone AS 200ml per mu and spraying auxiliary agent with the control effect lower than 80 percent are not recommended. 300ml of 48 percent bentazone AS 225-mou is sprayed, the plant control effect is 67.5 to 85 percent, and the fresh weight control effect is 77.9 to 94.6 percent. The auxiliary agent vegetable oil is added for spraying, the plant control effect is 88 to 95.3 percent, the improvement is 8.5 to 28.5 percent, the fresh weight control effect is 90.1 to 98.5 percent, and the improvement is 3.9 to 10.3 percent; 0.075 percent of auxiliary agent organic silicon is added for spraying, the plant control effect is 85-97.5 percent and is improved by 12.5-25 percent, and the fresh weight control effect is 90.7-99 percent and is improved by 4.4-12.8 percent; after artificial weeding for 45 days, investigation shows that the plant control effect is 84 percent and the fresh weight control effect is 90.3 percent.
Agronomic traits and yield
TABLE 4 indoor seed examination table
Indoor test results show that the influence difference of each treatment on plant height, process length, fruit number per plant and fruit grain number is not obvious, the grain weight of the artificial weeding single plant is 1.394-th highest, and the grain weight of ck single plant, fruit grain number per plant and fruit grain weight per plant are lowest.
TABLE 5 Linum yield questionnaire
As can be seen from Table 5, the yield of the treated plots with different agents is between 366.85-1434.05 kg/ha, the ck yield is 33.35 kg/ha, and the artificial weeding yield is 566.95 kg/ha. The method has the advantages that the method has very significant difference between the processed bentazone 300ml, the bentazone 300ml + vegetable oil, the bentazone 275ml + organic silicon, the bentazone 250ml + vegetable oil, the bentazone 250ml + organic silicon and the bentazone 225ml + vegetable oil with CK; the treated bentazone has the obvious difference of 300ml plus organic silicon, 275ml of bentazone, artificial weeding and CK.
The invention has the beneficial effects that: the synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents and the preparation method thereof are characterized in that the adhesion enhancer, the pesticide spreader I, the pesticide wetting agent and the pesticide super-strong penetrant are used for increasing the residence time of the herbicide on the leaf surfaces of weeds, the pesticide spreader I is used for reducing the surface tension, increasing the spreading of liquid medicine on the leaf surfaces of the weeds and shortening the uniform distribution time of the herbicide on the leaf surfaces of the weeds, the pesticide super-strong penetrant I is used for increasing the absorption of the weeds to the herbicide, the pesticide wetting agent is used for increasing the stability of products, slowing down the reaction and keeping the chemical balance, the pesticide spreader II and the pesticide super-strong penetrant are used for improving the dispersibility of the herbicide, improving the effective utilization rate of the herbicide and reducing the dosage of the herbicide.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents is characterized by comprising the following raw materials in parts by weight: 400 portions of herbicide 200-one, 5.2-24 portions of organic silicon and 4-8 portions of vegetable oil auxiliary agent.
2. The synergistic herbicide rich in silicone and vegetable oil adjuvants of claim 1 wherein the herbicide comprises 48% bentazone AS the main ingredient, the silicone comprises an adhesion enhancer, a first pesticide spreader, a pesticide wetting agent and a first pesticide super-penetrant, and the vegetable oil adjuvants comprise a second pesticide spreader and a second pesticide super-penetrant.
3. The synergistic herbicide rich in silicone and vegetable oil adjuvants of claim 2 wherein said adhesion enhancer is 0.3-0.5 parts, pesticide spreader one 0.2-0.5 parts, pesticide wetting agent 0.1-1 parts and pesticide super-penetration agent one 2-10 parts.
4. The synergistic herbicide enriched with silicone, vegetable oil adjuvant of claim 3 wherein said adhesion enhancer is made from dimethyldichlorosilane, said pesticide spreading agent one is made from phenyltrichlorosilane, said pesticide wetting agent is made from methyltrichlorosilane, said pesticide super-penetrating agent one is made from diphenyldichlorosilane or methylphenyldichlorosilane.
5. The synergistic herbicide rich in organosilicon and vegetable oil adjuvant as claimed in claim 2, wherein said pesticide spreader is 3-6 parts and pesticide super-penetrant is 1-2 parts.
6. The synergistic herbicide rich in organosilicon and vegetable oil adjuvant as claimed in claim 5, wherein said second pesticide spreader is prepared from linear higher fatty acid, the linear higher fatty acid includes palmitic acid, stearic acid, oleic acid and various unsaturated acids, the various unsaturated acids include erucic acid, eleostearic acid and ricinoleic acid, the second pesticide super penetrant is prepared from glyceride, and minerals such as vitamin E, K, calcium, iron, phosphorus and potassium are added into the glyceride.
7. A preparation method of a synergistic herbicide rich in organic silicon and vegetable oil auxiliary agents is characterized by comprising the following steps:
1) dividing the herbicide into two parts with the same component, and weighing an adhesion enhancer, a pesticide spreader I, a pesticide wetting agent and a pesticide super-strong penetrant I which are composed of organosilicon, a pesticide spreader II and a pesticide super-strong penetrant II which are composed of vegetable oil assistants;
2) putting the adhesion reinforcing agent, the pesticide spreader I, the pesticide wetting agent and the pesticide super-strong penetrant I weighed in the step 1 into a reaction kettle, stirring for 30min at the speed of 800-800 r/min until the materials are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring for 15min at the speed of 600-800r/min to obtain the synergistic herbicide with organic silicon;
3) and (2) placing the second pesticide spreader and the second pesticide super-strong penetrant weighed in the step (1) into a reaction kettle, stirring at the speed of 600-plus-800 r/min for 20min until the two pesticides are completely mixed, then gradually adding one part of herbicide into the mixed solution, and stirring at the speed of 600-plus-800 r/min for 15min to obtain the synergistic herbicide with the vegetable oil additive.
8. The method of claim 7 wherein the temperature of the agitation in steps 2 and 3 is maintained at 25 ℃.
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