CN107484756B - Special auxiliary agent for aviation plant protection and preparation method and application thereof - Google Patents
Special auxiliary agent for aviation plant protection and preparation method and application thereof Download PDFInfo
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- ZXQYGBMAQZUVMI-RDDWSQKMSA-N (1S)-cis-(alphaR)-cyhalothrin Chemical compound CC1(C)[C@H](\C=C(/Cl)C(F)(F)F)[C@@H]1C(=O)O[C@@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-RDDWSQKMSA-N 0.000 description 1
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- CMDGQTVYVAKDNA-UHFFFAOYSA-N propane-1,2,3-triol;hydrate Chemical compound O.OCC(O)CO CMDGQTVYVAKDNA-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- 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
-
- 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
- A01N25/24—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 ingredients to enhance the sticking of the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues 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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides an auxiliary agent special for aviation plant protection and a preparation method and application thereof. The special auxiliary agent for aviation plant protection comprises the following components in percentage by mass: 1-30% of hydrophilic solvent, 1-30% of viscosity regulator, 1-30% of anti-evaporation agent and 0-50% of water. The special auxiliary agent for aviation plant protection has the advantages that the specific gravity is larger than 1, the boiling point is high, the prepared flying spray preventing agent has stable performance, the phenomena of precipitation, crystallization, flocculation, nozzle blockage and the like can not occur within 1 hour, and the special auxiliary agent for aviation plant protection has the advantages of moisture preservation, volatilization resistance, drift resistance, sedimentation promotion, good stability and the like.
Description
Technical Field
The invention belongs to the field of pesticide auxiliary agents and plant protection, and particularly relates to an auxiliary agent special for aviation plant protection and a preparation method and application thereof.
Background
In the current and future agricultural production of China, the shortage of labor becomes one of the key factors limiting the agricultural development. And the plant protection spraying by utilizing the unmanned aerial vehicle has the remarkable advantages of accurate spraying, high operation efficiency, wide application range, less labor, water and medicine conservation and the like.
Along with the rapid development of agricultural plant protection unmanned aerial vehicle flight prevention career, nearly ten million mu farmland has been utilized plant protection unmanned aerial vehicle to spray the operation every year, and plant protection unmanned aerial vehicle has played important effect on the disease and pest major control, pesticide decrement use and the mechanized automatic process of plant protection application of pesticides, can save the agricultural cost effectively, promotes prevention and control efficiency.
However, compared with the vigorous development of the domestic plant protection unmanned aerial vehicle industry, some problems to be solved still exist in the field of agricultural low-altitude spraying, and the most important problem is that the quantity and the quality of the auxiliary agents involved in the low-altitude spraying are far from practical use and seriously insufficient.
At present, more than thirty thousand pesticide products registered in China are mainly suitable for manual or semi-mechanized conventional spraying equipment with large water volume, 30-50 kilograms of dilute-release medicament can be uniformly sprayed in each mu of land, the total amount of the conventional low-altitude unmanned spraying dilute-release medicament does not exceed one kilogram per mu, the low-volume or ultra-low-volume spraying is realized, and meanwhile, the requirements on sedimentation, drifting resistance and high adhesiveness are required to be met. To meet this demand, ultra-low volume liquids as tailored oils exhibit their irreplaceable advantages. However, the existing ultralow-volume liquid in China is small in registration quantity and insufficient in product on the market, so that the selection range of farmers is narrow in the pest control process, and the application of the ultralow-volume liquid in the field of low-altitude spraying plant protection is limited.
Therefore, in order to better exert the function of the conventional pesticide product in the field of low-altitude spraying plant protection, the special spraying auxiliary agent is added into the diluted pesticide preparation liquid medicine, and the novel spraying auxiliary agent is gradually an effective solution under the invention. The special spraying auxiliary agent can control the quantity of fine fog drops, prevent the environmental risk of the drift of the fog drops and avoid the phytotoxicity phenomenon caused by the local high concentration of the active ingredients. Compared with the auxiliary agent in the conventional pesticide product, the special spraying auxiliary agent for low-altitude spraying has the characteristics of low toxicity, environmental protection, large specific gravity, difficult volatilization, good adhesiveness, good spreadability, good permeability and the like, reduces the influence of high temperature, strong downwind field and the like in the spraying process, increases the adhesion rate of the pesticide after the pesticide drops on the surface of crops, and is beneficial to the crops to better absorb the pesticide. However, in the practical application process, the problems that in the spraying process of the liquid medicine prepared by the existing special spraying auxiliary agent, more fine fogdrops are generated, the drifting phenomenon is caused, the size of the fogdrops of the liquid medicine is different, the uniformity is poor, the wettability of the fogdrops of the liquid medicine is not ideal and the like are solved.
Disclosure of Invention
The invention aims to provide an auxiliary special for aviation plant protection and a preparation method and application thereof, and aims to solve the technical problems in the prior art that a flying spray prepared by the existing special spraying auxiliary generates poor droplet uniformity in the spraying process, liquid medicine droplets are not sufficient in wettability, cannot be well wetted and adhered on plant diseases and insect pests, and the like.
In order to achieve the above purpose, in one aspect of the invention, a special auxiliary for aviation plant protection is provided. The composite material comprises the following components in percentage by mass:
the invention also provides a preparation method of the special auxiliary agent for aviation plant protection. The preparation method of the special auxiliary agent for aviation plant protection comprises the following steps:
weighing the raw materials of the components according to the following component proportion by mass percent:
1-30% of hydrophilic solvent, 1-30% of viscosity regulator, 1-30% of anti-evaporation agent and 0-50% of water;
after the hydrophilic solvent and the water are mixed, the viscosity regulator and the anti-evaporation agent are sequentially added, and the mixing treatment is carried out again.
In yet another aspect of the present invention, a flying spray is provided. The spray agent comprises an auxiliary agent and a pesticide and/or a foliar fertilizer dispersed or dissolved in the auxiliary agent, wherein the auxiliary agent is the special auxiliary agent for aviation plant protection or the special auxiliary agent for aviation plant protection prepared by the preparation method.
Compared with the prior art, the special auxiliary agent for aviation plant protection has the following technical effects by the synergistic effect of the components:
1. the special auxiliary agent for aviation plant protection adopts a hydrophilic solvent as a matrix solvent, so that the special auxiliary agent for aviation plant protection is completely mutually soluble with water, has a specific gravity of more than 1 and a high boiling point, and is safe to use;
2. on the basis, the diluted pesticide preparation liquid medicine has high stability through the synergistic effect of the viscosity regulator and the anti-evaporation agent, the phenomena of precipitation, crystallization, flocculation, nozzle blockage and the like can not occur within 1 hour, and the diluted pesticide preparation liquid medicine has the advantages of moisture retention, volatilization resistance, drift resistance, sedimentation promotion, good stability and the like;
3. the special auxiliary agent for aviation plant protection does not contain aromatic hydrocarbon solvent, and has low toxicity to human and livestock, environmental protection, high flash point and safe use.
According to the preparation method of the special auxiliary agent for aviation plant protection, the contained components are mixed, so that the prepared special auxiliary agent for aviation plant protection is uniform and stable in dispersion system, the stable performance of the special auxiliary agent for aviation plant protection is effectively guaranteed, the synergistic effect among the contained components can be fully exerted, the uniform fog drops generated by the prepared special auxiliary agent for aviation plant protection and pesticide agent and/or leaf fertilizer mixing system in spraying operation of the unmanned aerial vehicle for plant protection are guaranteed, the fog drops are resistant to volatilization and drifting, the moisture retention is good, and the adhesion of the fog drops and crops is improved. Meanwhile, the production cost is effectively reduced, and the aromatic solvent is not contained, so that the toxicity to human and livestock is low, the environment is protected, and the use is safe.
The flying spray preventing agent adopts the aviation plant protection special auxiliary agent as a carrier solvent. Therefore, the flying spray preventing agent can generate fog drops with evaporation resistance during flying spray preventing operation, and meanwhile, the dispersion uniformity of the fog drops is enhanced, and the sedimentation penetrating performance and the anti-drifting performance of the fog drops are enhanced.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The mass percentages of the components mentioned in the description of the embodiments of the present invention may not only refer to the proportional relationship of the mass between the components, but also refer to the specific contents of the components. Therefore, it is within the scope of the disclosure of the present specification to scale up or down the content of each component of the composition as long as it is in accordance with the present specification. Specifically, the mass described in the description of the embodiments of the present invention may be a unit mass known in the medical field such as μ g, mg, g, kg, etc.
The embodiment of the invention provides an aviation plant protection special auxiliary agent which has anti-drift and anti-volatilization characteristics and is suitable for flight control operation. The special auxiliary agent for aviation plant protection comprises the following components in percentage by mass:
the hydrophilic solvent contained in the aviation plant protection special auxiliary agent is used as a matrix solvent, so that the aviation plant protection special auxiliary agent is completely soluble in water, has a specific gravity of more than 1, has a high boiling point, and is safe to use. In one embodiment, the hydrophilic solvent is glycerol formal, glycerol acetonide, or a combination of both. The content of the hydrophilic solvent may be, but is not limited to, 1%, 3%, 5%, 8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, and other percentages.
The viscosity regulator and the anti-evaporation agent contained in the aviation plant protection special auxiliary agent have a synergistic effect on the basis of the hydrophilic solvent, so that the diluted pesticide preparation liquid medicine has high stability. In one embodiment, the viscosity regulator is selected from one or more of polysaccharide gum, alginate derivative, and hydroxyethyl cellulose. In particular embodiments, the viscosity modifier may be present in an amount of, but not limited to, 1%, 3%, 5%, 8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, etc. percent. In another embodiment, the evaporation-resistant agent is selected from one or more of sodium polyacrylate, polyacrylamide and starch graft acrylate copolymer cross-linked polymer. In particular embodiments, the viscosity modifier may be present in an amount of, but not limited to, 1%, 3%, 5%, 8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, etc. percent.
Therefore, the special auxiliary agent for aviation plant protection can be completely mutually soluble with water through the synergistic effect of the hydrophilic solvent, the viscosity regulator and the evaporation resistant agent, has the specific gravity of more than 1 and high boiling point, and the liquid medicine formed by the diluted pesticide preparation has high stability, does not have the phenomena of precipitation, crystallization, flocculation, nozzle blockage and the like within 1 hour, and has the advantages of moisture preservation, volatilization resistance, drift resistance, sedimentation promotion, good stability and the like. In addition, the special auxiliary agent for aviation plant protection does not contain aromatic hydrocarbon solvent, has low toxicity to people and livestock, is environment-friendly, and is safe to use and store.
Correspondingly, the embodiment of the invention also provides a preparation method of the special aviation plant protection auxiliary agent. The preparation method of the special auxiliary agent for aviation plant protection in the embodiment of the invention comprises the following steps:
step S01: weighing the raw materials of the components according to the following component proportion by mass percent:
1-30% of hydrophilic solvent, 1-30% of viscosity regulator, 1-30% of anti-evaporation agent and 0-50% of water;
step S02: after the hydrophilic solvent and the water are mixed, the viscosity regulator and the anti-evaporation agent are sequentially added, and the mixing treatment is carried out again.
Specifically, the types and contents of the raw materials of each component measured in the step S01 are the same as those of the above-mentioned auxiliary agent for aviation plant protection, and are not described herein again for the sake of brevity.
In the step S02, the raw materials of the components measured in the step S01 are mixed in batches, specifically, the hydrophilic solvent and water are mixed, and then the viscosity regulator and the anti-evaporation agent are mixed, so that the components can be uniformly dispersed to form a stable dispersion system. In a specific embodiment, the mixing treatment may be, but not limited to, stirring treatment, homogenizing mixing treatment, and the like, until the components are sufficiently mixed, and the components are sufficiently mixed to form a mixed solution.
Therefore, the preparation method of the aviation plant protection special aid mixes the components, so that the prepared aviation plant protection special aid is uniform and stable in dispersion system, the performance stability of the aviation plant protection special aid is effectively guaranteed, the synergistic effect among the components can be fully exerted, the prepared aviation plant protection special aid and pesticide agent and/or leaf fertilizer mixed system is guaranteed to generate uniform fog drops when sprayed by a plant protection unmanned aerial vehicle, the fog drops are resistant to volatilization and drifting and good in moisture retention, the adhesion of the fog drops and crops is improved, and the application of the aerial plant protection special aid in flight control is greatly enhanced. In addition, the condition is easy to control, the prepared special auxiliary agent for aviation plant protection has stable dispersion system, can fully play the synergistic effect among the contained components, and ensures that the prepared special auxiliary agent for aviation plant protection, pesticide agent and/or foliar fertilizer mixed system has the advantages of volatilization resistance, drift resistance, uniform granularity and good stability as a fire prevention agent, does not contain aromatic solvent, and provides production safety.
On the other hand, the aviation plant protection special aid provided by the embodiment of the invention has the advantages of moisture retention, volatilization resistance, drift resistance, sedimentation promotion, good stability and the like, and the embodiment of the invention also provides an application method of the aviation plant protection special aid provided by the embodiment of the invention. As in one embodiment, the aviation plant protection additive described in each of the above embodiments is mixed with a pesticide and/or foliar fertilizer to formulate a spray. In a mixing system formed by mixing the special auxiliary agent for aviation plant protection with pesticide and/or foliar fertilizer, the content of the pesticide and/or foliar fertilizer should be effective dose, and the effective dose should be understood as the content which is normal when the diluted pesticide and/or foliar fertilizer is used. The diluted pesticide and/or foliar fertilizer can be the existing commercially available pesticide preparation and/or foliar fertilizer, and the diluted pesticide can be the commercially available pesticide suspending agent, microemulsion, missible oil, aqueous emulsion, soluble liquid and the like. Therefore, as the pesticide preparation and/or the foliar fertilizer are dissolved and diluted by the aid of the special auxiliary for aviation plant protection, the prepared mixed system is high in stability, and precipitation, crystallization and flocculation cannot occur within 1 hour. Even if the delamination occurs after more than 24 hours, the system can be restored to a uniform system by stirring, and the active ingredient of the drug is not decomposed. Therefore, the flying spray-preventing agent is sprayed by an unmanned aerial vehicle, so that the anti-evaporation performance of fog drops generated by the mixed flying spray-preventing agent during flying prevention operation can be ensured, the dispersion uniformity of the fog drops is enhanced, the sedimentation penetrating performance and the anti-drifting performance of the fog drops are enhanced, and the phenomenon that the spray head is not blocked easily occurs is avoided.
The invention will now be described in further detail by taking specific aviation plant protection special-purpose auxiliary agents and preparation methods as examples.
Example 1
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
10% of glycerol formal, 20% of polysaccharide gum, 20% of sodium polyacrylate and 50% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps:
according to the formula of the aviation spraying special aid in the embodiment 1, glycerol formal and water are respectively weighed and added into a reaction kettle to be uniformly stirred, polysaccharide gum and sodium polyacrylate with accurate mass are then weighed and sequentially added, and a stirring or homogenizing machine mode is adopted for mixing until a homogeneous transparent mixed solution is formed.
Example 2
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
25% of glycerol formal, 15% of alginate derivative, 25% of polyacrylamide and 35% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps:
according to the formula of the low-altitude spraying aviation plant protection special auxiliary agent, glycerol formal and water are respectively weighed and added into a reaction kettle to be uniformly stirred, then alginate derivatives and polyacrylamide with accurate mass are weighed and sequentially added, and a stirring or homogenizing machine mode is adopted for mixing materials until a homogeneous transparent mixed solution is formed.
Example 3
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
30% of glycerol formal, 30% of hydroxyethyl cellulose, 30% of starch grafted acrylate and 10% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps:
the glycerol formal and the water are respectively weighed according to the formula of the aviation spraying special auxiliary agent in the embodiment and added into the reaction kettle to be uniformly stirred, then the hydroxyethyl cellulose and the starch grafted acrylate with accurate mass are weighed and sequentially added, and the materials are mixed by adopting a stirring or homogenizing machine until a homogeneous transparent mixed solution is formed.
Example 4
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
10% of glycerol acetonide, 20% of polysaccharide gum, 20% of starch grafted acrylate and 50% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps: the glycerol acetonide and the water are respectively weighed according to the formula of the aviation spraying special-purpose auxiliary agent in the embodiment and added into the reaction kettle to be uniformly stirred, then the polysaccharide gum and the starch graft acrylate with accurate mass are respectively weighed and sequentially added, and the materials are mixed by adopting a stirring or homogenizing machine until a homogeneous transparent mixed solution is formed.
Example 5
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
20% of glycerol acetonide, 10% of hydroxyethyl cellulose, 20% of polyacrylamide and 50% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps: the glycerol acetonide and the water are respectively weighed according to the formula of the special aviation spraying auxiliary agent in the embodiment and added into the reaction kettle to be uniformly stirred, then the hydroxyethyl cellulose and the polyacrylamide with accurate mass are respectively weighed and sequentially added, and the material mixing treatment is carried out by adopting a stirring or homogenizing machine mode until a homogeneous transparent mixed solution is formed.
Example 6
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
30% of glycerol acetonide, 10% of alginate derivative, 20% of sodium polyacrylate and 40% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps: the glycerol acetonide and the water are respectively weighed according to the formula of the special aviation spraying auxiliary agent in the embodiment and added into the reaction kettle to be uniformly stirred, then the alginate derivative and the sodium polyacrylate with accurate mass are respectively weighed and sequentially added, and the material mixing treatment is carried out by adopting a stirring or homogenizing machine mode until a homogeneous transparent mixed solution is formed.
Example 7
The embodiment provides an auxiliary agent special for aviation plant protection and a preparation method thereof. The special auxiliary agent for aviation plant protection comprises the following components:
15% of glycerol formal, 25% of glycerol acetonide, 25% of alginate derivative, 25% of sodium polyacrylate and 10% of water.
The preparation method of the aviation plant protection special auxiliary agent comprises the following steps: according to the formula of the aviation spraying special aid, glycerol formal, glycerol acetonide and water are respectively weighed and added into a reaction kettle to be uniformly stirred, then alginate derivatives and sodium polyacrylate with accurate mass are respectively weighed and sequentially added, and a stirring or homogenizing machine is adopted to carry out mixing treatment until a homogeneous transparent mixed solution is formed.
Spray control agent embodiment and field application test thereof
The special aviation plant protection auxiliary agent provided by the embodiments is subjected to field application tests according to the following method, wherein the main equipment used in the invention is as follows: an MG-1 eight rotor electric unmanned plane in Xinjiang, a centrifugal ultra-low capacity electric sprayer and an agricultural 15kg backpack electric sprayer.
The flight parameters of the low-capacity plant protection unmanned aerial vehicle are as follows: height: 1-1.5 m from the top of the crop, 4-5 m of flight speed per second, 3-4 m of spraying amplitude and single nozzle pressure: less than 1MP, ambient wind speed during flight: less than 3-5 meters per second, flight temperature: 24-30 ℃, which is not described in detail below.
Field application test 1
According to the technique mastered by the ordinary skilled in the art, a preparation solution of 5% of lambda-cyhalothrin microemulsion (15 mL/mu) is prepared, and then the control experiment of the wheat sitophila avenae is carried out by adding the solution of the example 1.
Test time: 2016 (4 months) and 20 days
The experimental site: zhang Yao in Henan
The test method comprises the following steps: by 3 x 667m2For one cell, a comparative test of administration was performed.
The prevention and treatment effect is as follows: and (3) carrying out field sampling according to a parallel line skip sampling method, investigating all live aphids on the fixedly marked wheat in each district, and investigating the number of the residual aphids 3 days after the pesticide is applied. Calculating the reduction rate of population and the correction control effect of aphids according to the population numbers of the aphids before and after the application of the pesticide in the treatment area and the control area, performing differential analysis by using SPSS17.0,
the calculation formula is as follows:
the test results are shown in table 1:
TABLE 1 prevention and control test results of Mucun McGredler, Henan Mengzhou
The test result shows that:
(1) the preparation solution of 5% of efficient cyhalothrin microemulsion (15 mL/mu) added with the auxiliary agent in the embodiment 1 can form droplets with excellent quality after low-volume or ultra-low-volume spraying, and the specific expression is that the adhesion of the liquid medicine on the surface of crops is obviously enhanced due to the addition of the auxiliary agent in the low-volume or ultra-low-volume spraying, so that the control effect of the agent can be effectively exerted. The conventional manual spraying has the defects of large water consumption, uneven droplet size, poor adhesion and easy loss of liquid medicine.
(2) When the preparation solution of 5 percent of high-efficiency cyhalothrin microemulsion (15 mL/mu) added with the auxiliary agent in the embodiment 1 of the invention is sprayed at low volume and ultra-low volume, the fog drops are uniform, and the spreading and the adhesion on the leaf surfaces of crops are good.
(3) From the aspect of control effect, compared with the conventional manual spraying mode, the low-volume and ultra-low-volume spraying treatment group added with the auxiliary agent in the embodiment 1 of the invention can achieve obvious control effect, the number of the wheat myzus avenae on the treatment group is obviously less, and the difference with the control group is extremely obvious.
Field application test 2
According to the technique mastered by the ordinary skilled in the art, a 5% chlorantraniliprole suspending agent (40 mL/mu) preparation solution is prepared, and then example 3 is added to perform the control test on the rice stem borer.
Test time: 2016, 7 and 26 days
The experimental site: huqiu county flood town of Liuan city, Anhui province
The test method comprises the following steps: by 3 x 667m2For one cell, a comparative test of administration was performed.
The prevention and treatment effect is as follows: sampling is carried out on each cell according to two diagonal lines, rice in half area of each cell is investigated, the number of withered white ears is counted, and whether pesticide damage is generated by unmanned aerial vehicle spraying is observed, and the age of chilo suppressalis in the withered ears is observed. Calculating the relative control effect according to the number of withered white ears after the drug is applied to the treatment area and the control area, wherein the calculation formula is as follows:
the test results are shown in table 2:
TABLE 2 prevention and control test results of Huqiu county flood collection and suppression of rice stem borer, Liu' an, Anhui province
The test result shows that:
(1) the preparation solution of the 5% chlorantraniliprole suspending agent (40 mL/mu) added with the auxiliary agent in the embodiment 3 of the invention can form fog drops with excellent quality after low-volume or ultra-low-volume spraying, and the preparation method is particularly characterized in that the sedimentation speed is accelerated due to the addition of the auxiliary agent in the low-volume or ultra-low-volume spraying, the adhesion on the surface of crops is obviously enhanced, and the control effect of the agent can be effectively exerted. And the conventional manual spraying has the defects of low droplet settling speed, uneven droplet size and poor adhesion due to large water consumption.
(2) When the preparation solution of 5% chlorantraniliprole suspending agent (40 mL/mu) added with the auxiliary agent in the embodiment 3 of the invention is sprayed at low volume and ultra-low volume, the fog drops are uniform, and the spreading and the adhesion on the leaf surfaces of crops are good.
(3) From the aspect of control effect, compared with the conventional manual spraying mode, the low-volume and ultra-low-volume spraying treatment group added with the auxiliary agent in the embodiment 3 of the invention can achieve obvious control effect, the number of rice withered white ears is obviously less, and the difference with a control group is very obvious.
Field application test 3
According to the technology mastered by a person skilled in the art, a preparation solution of 30% pyraclostrobin suspending agent (10 mL/mu) is prepared, and then example 5 is added to perform a control test on corn sheath blight.
Test time: 2016 (8 months) and 31 days
The experimental site: wuli Touduan of Zhangye City Linze county in Gansu province
The test method comprises the following steps: a comparative drug administration test was performed with 3 × 667m2 as a small area.
The prevention and treatment effect is as follows: according to the grading of the disease symptom degree of the corn leaf sheath and the corn leaf, taking a plant as a unit, sampling 10 points of diagonal lines of each cell, recording the total plant number, the diseased plant number and the disease number of each point, and calculating a formula for the relative prevention effect:
the test results are shown in table 3:
TABLE 3 control test results of sheath blight of corn in Wuliduncun Linze county, Zhangye, Gansu province
The test result shows that:
(1) the preparation solution of 30% pyraclostrobin suspending agent (10 mL/mu) added with 1% of the auxiliary in the embodiment 5 of the invention can form fog drops with excellent quality after low-volume or ultra-low-volume spraying, and the preparation method is particularly characterized in that the addition of the auxiliary in low-volume or ultra-low-volume spraying accelerates the sedimentation speed, obviously enhances the adhesion on the surface of crops, and can effectively exert the control effect of the pesticide. And the conventional manual spraying has the defects of low droplet settling speed, uneven droplet size and poor adhesion due to large water consumption.
(2) When a preparation solution of 30% pyraclostrobin suspending agent (10mL mu) added with 1% of the auxiliary agent in the embodiment 5 of the invention is sprayed at low volume and ultra-low volume, the fog drops are uniform, and the spreading and the adhesion on the leaf surfaces of crops are good.
(3) From the aspect of control effect, compared with the conventional manual spraying mode, the low-volume and ultra-low-volume spraying treatment group agent added with 1% of the auxiliary agent in the embodiment 5 of the invention can achieve obvious control effect, the maize sheath blight disease is obviously light, only part of sheath blight occurs at the bottom, and the difference with a control group is extremely obvious.
Field application test 4
According to the technology mastered by a person skilled in the art, a preparation solution of 7.5% pyroxsulam water dispersible granules (12.5 g/mu) is prepared, and then the herbicide of example 7 is added to perform a control test on weeds in a winter wheat field.
Test time: 2016 (12 months and 20 days)
The experimental site: liu Lu village in Xinghua city of Anhui province
The test method comprises the following steps: in 667m2For one cell, a comparative test of administration was performed.
The test results are shown in Table 4:
TABLE 4 weed control test results in Lioucun winter wheat fields of Xinghua, Anhui province
The test result shows that:
(1) the preparation solution of the pyroxsulam 7.5% water dispersible granule (12.5 g/mu) added with the auxiliary agent in the embodiment 5 of the invention can form droplets with excellent quality through low-volume or ultra-low-volume spraying, and the specific expression is that the sedimentation speed is accelerated due to the addition of the auxiliary agent in the low-volume spraying or the ultra-low-volume spraying, the adhesion on the surface of crops is obviously enhanced, and the control effect of the agent can be effectively exerted. And the conventional manual spraying has the defects of low droplet settling speed, uneven droplet size and poor adhesion due to large water consumption.
(2) When the preparation solution of the pyroxsulam water dispersible granule (12.5 g/mu) added with the additive in the embodiment 7 of the invention is sprayed at low volume and ultralow volume, the fog drops are uniform, and the spreading and the adhesion on the leaf surfaces of crops are good.
(3) From the aspect of control effect, compared with the conventional manual spraying mode, the low-volume and ultra-low-volume spraying treatment group added with the auxiliary agent in the embodiment 7 of the invention can achieve obvious control effect, winter wheat still keeps growing after more weeds and death, no phytotoxicity phenomenon occurs, and the difference from a control group is extremely obvious.
In conclusion, the special aviation plant protection auxiliary for low-altitude spraying in the embodiment of the invention optimizes the existing pesticide preparation solution system, so that the pesticide preparation can be used for low-volume and ultra-low-volume spraying, and the control effect on plant diseases and insect pests can reach or even be better than the control effect of the traditional manual spraying. Utilize unmanned aerial vehicle to carry out the low latitude and spray the plant protection in-process, expanded the selection face of medicament greatly, promoted novel intelligent machinery and be suitable for the ability in the pest control, help the popularization of novel intelligent machinery and the realization of "two subtracting" targets.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The special auxiliary agent for aviation plant protection comprises the following components in percentage by mass:
10% of glycerol formal, 20% of polysaccharide gum, 20% of sodium polyacrylate and 50% of water.
2. A preparation method of an auxiliary agent special for aviation plant protection comprises the following steps:
weighing the raw materials of the components according to the following component proportion by mass percent:
10% of glycerol formal, 20% of polysaccharide gum, 20% of sodium polyacrylate and 50% of water;
adding the glycerol formal and the water into a reaction kettle, uniformly stirring, sequentially adding the polysaccharide gum and the sodium polyacrylate, and mixing by adopting a stirring or homogenizing mode until a homogeneous transparent mixed solution is formed.
3. A flying spray-proof agent comprises an auxiliary agent and a pesticide and/or a foliar fertilizer dispersed or dissolved in the auxiliary agent, and is characterized in that: the auxiliary agent is the auxiliary agent special for aviation plant protection as claimed in claim 1 or the auxiliary agent special for aviation plant protection prepared by the preparation method as claimed in claim 2.
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