CN115281203A - Quick-acting pesticide for preventing and controlling cotton aphids and application thereof - Google Patents

Quick-acting pesticide for preventing and controlling cotton aphids and application thereof Download PDF

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Publication number
CN115281203A
CN115281203A CN202210833521.XA CN202210833521A CN115281203A CN 115281203 A CN115281203 A CN 115281203A CN 202210833521 A CN202210833521 A CN 202210833521A CN 115281203 A CN115281203 A CN 115281203A
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China
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pesticide
insecticide
quick
spirotetramat
acting
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Inventor
王俊刚
胡军
王小丽
赵鹏程
张全成
魏迎凤
查惠
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Xinjiang Tianhe Jiaxin Agricultural Technology Co ltd
Shihezi University
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Xinjiang Tianhe Jiaxin Agricultural Technology Co ltd
Shihezi University
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Priority to CN202210833521.XA priority Critical patent/CN115281203A/en
Publication of CN115281203A publication Critical patent/CN115281203A/en
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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
    • 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
    • A01N47/02—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 no bond to a nitrogen atom
    • A01N47/06—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 no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A01P7/04—Insecticides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Forests & Forestry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Insects & Arthropods (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Botany (AREA)

Abstract

The application provides a quick-acting pesticide for preventing and controlling cotton aphids and application thereof, relating to the technical field of agriculture. The embodiment of the application provides a quick-acting insecticide for preventing and treating cotton aphids, which comprises the following active ingredients in parts by volume: 1-2 parts of dicyclopropyl tetramat dispersant and 1-2 parts of spirotetramat suspending agent; wherein the concentration of the dicyclopropanetate dispersant is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%. Compared with a single-component dicyclanil insecticide or spirotetramat insecticide, the two components of the compound insecticide have synergistic effect, the insecticidal effect is better, and the insecticide is not easy to generate drug resistance. The embodiment of the application provides application of a quick-acting insecticide for preventing and treating cotton aphids in pesticides for preventing and treating the cotton aphids. The pesticide composition is applied to pesticides for preventing and treating cotton aphids, can improve the prevention and treatment effect of the cotton aphids, and can prolong the service life of the pesticide.

Description

Quick-acting pesticide for preventing and controlling cotton aphids and application thereof
Technical Field
The application relates to the technical field of agriculture, in particular to a quick-acting pesticide for preventing and controlling cotton aphids, a preparation method and application thereof.
Background
Cotton aphids (cottonaaphis, aphis gossypii glover) are a significant pest in the world and can be eaten on more than 700 plants including cotton, cucumber, etc. The cotton aphids are mainly harmed by directly taking plant juice and spreading plant viruses, and cause huge economic loss to agricultural production. The cotton aphids have the characteristics of high propagation speed, large population quantity, high harm degree and the like, and chemical control is always a main means for controlling the cotton aphids in China for a long time. Due to the long-term, high-volume use of chemical pesticides, cotton aphids have developed high levels of resistance to various insecticides, such as organophosphorus, carbamate, pyrethroid, and neonicotinoid.
The long-term use of the pesticide can cause cotton aphid to generate drug resistance, and the environment is polluted by simply increasing the use amount of the pesticide. However, in recent years, with the frequent use of neonicotinoid insecticides, the resistance of Aphis gossypii to this type of agent has become increasingly severe. The research result of Torriet al (2016) shows that the resistance of cotton aphid in Acksu area to imidacloprid is 26.3 times, and the intermediate resistance level is achieved. Koo et al (2014) reported that cotton aphid species in some areas of Korea developed extremely high level resistance to neonicotinoid insecticides such as acetamiprid, clothianidin, imidacloprid, thiacloprid and thiamethoxam, wherein the cotton aphids had resistance multiples of imidacloprid, acetamiprid and clothianidin of 1500, 2600 and 14000 times, respectively.
With the popularization and the use of the pesticide in a large quantity, the pesticide is more and more extensive in the aspect of controlling the resistant cotton aphids, but the resistance of the cotton aphids to the pesticide is certainly increased by singly using the pesticide for a long time, so that the difficulty in controlling the resistant cotton aphids is increased, and the service life of the pesticide is also reduced. Therefore, the invention aims to search the optimal mixed formula of the aphis gossypii glover and the pesticide, increase the service life of the pesticide and slow down the development of the drug resistance of the aphis gossypii glover.
Disclosure of Invention
The application aims to provide the quick-acting pesticide for preventing and treating the cotton aphids, which can effectively prevent and treat the cotton aphids, improve the prevention and treatment effect of the cotton aphids and increase the service life of the pesticide.
Another object of the present application is to provide the application of the quick-acting pesticide for controlling cotton aphids in the pesticide for controlling the cotton aphids.
The technical problem to be solved by the application is solved by adopting the following technical scheme.
On one hand, the embodiment of the application provides a quick-acting pesticide for preventing and controlling cotton aphids, and the active ingredients of the quick-acting pesticide comprise the following raw materials in parts by volume: 1-2 parts of dicyclopropyl tetramat dispersant and 1-2 parts of spirotetramat suspending agent; wherein the concentration of the dicyclopropanetate dispersant is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%.
On the other hand, the embodiment of the application provides the application of the quick-acting insecticide for preventing and controlling cotton aphids in the pesticides for preventing and controlling the cotton aphids.
Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:
1. the embodiment of the application provides a quick-acting insecticide for preventing and treating cotton aphids, which comprises the following active ingredients in parts by volume: 1-2 parts of dicyclopropyl tetramat dispersant and 1-2 parts of spirotetramat suspending agent; wherein the concentration of the dicyclanil ester dispersing agent is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%. Compared with a single-component dicyclanil insecticide or spirotetramat insecticide, the two components of the compound insecticide have synergistic effect, the insecticidal effect is better, and the insecticide is not easy to generate drug resistance.
2. The embodiment of the application provides application of a quick-acting insecticide for preventing and treating cotton aphids in pesticides for preventing and treating the cotton aphids. The pesticide composition is applied to pesticides for preventing and treating cotton aphids, can improve the prevention and treatment effect of the cotton aphids, and can prolong the service life of the pesticide.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to specific examples.
The embodiment of the application provides a quick-acting pesticide for preventing and controlling cotton aphids, which comprises the following active ingredients in parts by volume: 1-2 parts of dicyclopropyl tetramat dispersant and 1-2 parts of spirotetramat suspending agent; wherein the concentration of the dicyclopropanetate dispersant is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%. Compared with single-component dicyclaniliprole insecticide or spirotetramat insecticide, the compounded insecticide has synergistic effect of the two components, has better insecticidal effect and is not easy to generate drug resistance. In practical application, the ratio of the two components can be adjusted according to different regions and different crops in order to avoid the generation of drug resistance.
In some embodiments of the present application, the active ingredients comprise the following raw materials in parts by volume: 1.7 parts of dicyclopropyl tetramat dispersant and 1.4 parts of spirotetramat suspending agent. The pesticide compounded by the mixture ratio has the best quick-acting property.
The dicyclopropyl tetramine is found in a biological fermentation product, is a propylene compound, is a brand-new pesticide for preventing and treating piercing-sucking mouthpart pests, and has the characteristics of quick response, high efficiency, broad spectrum and the like. The amitraz disturbs the function of the chord organ of the insect, so that the insect loses the induction on gravity, balance, sound, position, motion and the like, and the insect is deaf, loses coordination and direction feeling, cannot eat, loses water and finally dies due to hunger. The dicyclopropyl cypionate can effectively reduce viral diseases and bacterial diseases transmitted by insect mediators, has excellent insecticidal (aphids, whiteflies and the like) effect and long lasting period, and is effective to various insect states of pests (ineffective to eggs). The method has good effects of leaf surface treatment, seed treatment and soil treatment, and has low toxicity.
The spirotetramat suspending agent is an organic compound with a molecular formula of C 21 H 27 NO 5 . The spirotetramat suspending agent can effectively control various sucking mouthparts pests, such as aphids, thrips, psyllids, mealybugs, whiteflies, scale insects and the like. The main crops which can be applied comprise cotton, soybean, citrus, tropical fruit trees, nuts, grapes, hops, potatoes, vegetables and the like. The spirotetramat suspending agent has unique action characteristics, and is one of modern insecticides with bidirectional systemic conduction performance. The compound can move upwards and downwards in the whole plant body to reach leaf surfaces and barks, so that the compound can prevent and control pests on leaves of lettuce and Chinese cabbage as well as fruit tree barks. This unique systemic property protects the nascent stems, leaves and roots from the growth of eggs and larvae of pests. It has another characteristic of long lasting period, and can provide effective control for up to 8 weeks.
In some embodiments of the present application, the active ingredients comprise the following raw materials in parts by volume: 1.7 parts of the dicyclopropyl tetramat dispersant and 1.7 parts of the spirotetramat suspending agent.
In some embodiments of the present application, the active ingredient comprises 1 to 90% by weight of the total pesticide composition.
In some embodiments of the present application, one or more of dispersants, antifreeze, stabilizers, thickeners, emulsifiers, solvents, co-solvents, and solid inert carriers are also included.
In some embodiments herein, the solvent is selected from at least one of dimethylformamide, dimethylacetamide, 1, 3-dimethyl-2-imidazolidinone, 2-pyrrolidone, N-methylpyrrolidone, dimethylsulfoxide, cyclohexanone, isobutanol, water. The compounded insecticide is diluted and then used, the most common diluent is water, and meanwhile, the dicyclopropionate and the spirotetramat are both easily soluble in water, so that the dispersion effect is better.
In some embodiments of the present application, the formulation of the pesticide is an emulsifiable concentrate, an aqueous emulsion, a microemulsion, a suspension, an oil suspension, a microcapsule suspension, a wettable powder, a water dispersible granule or a granule. Specifically, the composition can be prepared into different dosage forms for use according to requirements.
Secondly, the embodiment of the application provides the application of the quick-acting insecticide for preventing and controlling cotton aphids in the pesticides for preventing and controlling the cotton aphid diseases.
In some embodiments of the present application, the pesticide is diluted with water to provide a pesticide dilution, wherein the concentration of the active ingredient after the pesticide dilution is 0.004 to 0.05g/L. The concentration after dilution is too small, and repeated spraying is possible, so that time and labor are wasted; too high concentration after dilution may result in uneven spraying and may not kill insects comprehensively.
In some embodiments of the present application, the concentration of the active ingredient sprayed in the insecticide diluent is from 0.83 to 7.33mg/m 2 And spraying to the leaf surface. The spraying concentration cannot be too small, and the insecticidal effect cannot be achieved; the spraying concentration cannot be too high, which can affect the growth of crops and cause waste.
The features and properties of the present application are described in further detail below with reference to examples.
Example 1
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 2ml of 50g/L dicyclopropyl tetramethrin dispersant is added into 5L of water for dispersion to obtain the pesticide solution 1.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 2500 times + blank.
In this example, 50g/L of dicylofosinate dispersant (Afidopyropen), pasteur European company; 22.4% Spirotetramat suspension (Spirotetramat), bayer crop science, inc., the same below.
Example 2
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 2ml of 50g/L dicyclopropyl tetramat dispersant and 2ml of 22.4 mass percent spirotetramat suspending agent are added into 5L of water for dispersion, and then the pesticide solution 2 is obtained.
At the moment, the proportion of the pesticide is as follows: the dicyclanil ester diluted 2500 times and the spirotetramat diluted 2500 times.
Example 3
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 2ml of 50g/L dicyclopropyl tetramat dispersant and 1.7ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion to obtain pesticide solution 3.
At the moment, the proportion of the pesticide is as follows: the dicyclopropyl tetramat diluted by 2500 times and the spirotetramat diluted by 3000 times.
Example 4
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 2ml of 50g/L dicyclopropyl tetramat dispersant and 1.4ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion, and then the insecticide solution 4 is obtained.
At the moment, the proportion of the pesticide is as follows: the dicyclopropyl tetramat diluted by 2500 times and the spirotetramat diluted by 3500 times.
Example 5
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 2ml of 50g/L dicyclopropyl tetramat dispersant and 1.25ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion, and then the pesticide solution 5 is obtained.
At the moment, the proportion of the pesticide is as follows: the dicyclopropyl tetramat diluted by 2500 times and the spirotetramat diluted by 4000 times.
Example 6
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 1.7ml50g/L dicyclopropanetate dispersant, which was dispersed in 5L water to give pesticide solution 6.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 3000 times + blank.
Example 7
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.7ml50g/L dicyclopropionate dispersant and 2ml spirotetramat suspending agent with mass fraction of 22.4%, and dispersing in 5L water to obtain pesticide solution 7.
At the moment, the proportion of the pesticide is as follows: 3000 times diluted dicyclopropyl tetramat and 2500 times diluted spirotetramat.
Example 8
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.7ml50g/L dicyclopropionate dispersant and 1.7ml spirotetramat suspending agent with mass fraction of 22.4%, and dispersing in 5L water to obtain pesticide solution 8.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 3000 times and spirotetramat diluted 3000 times.
Example 9
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.7ml50g/L dicyclopropionate dispersant and 1.4ml spirotetramat suspending agent with mass fraction of 22.4%, and dispersing in 5L water to obtain pesticide solution 9.
At the moment, the proportion of the pesticide is as follows: 3000 times diluted dicyclanil ester and 3500 times diluted spirotetramat.
Example 10
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.7ml50g/L dicyclopropionate dispersant and 1.25ml spirotetramat suspending agent with mass fraction of 22.4%, and dispersing in 5L water to obtain pesticide solution 10.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 3000 times and spirotetramat diluted 4000 times.
Example 11
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml50g/L of dicrotofen dispersant, which was dispersed in 5L of water to give pesticide solution 11.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 3500 times + blank.
Example 12
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml of 50g/L dicyclopropanetate dispersant and 2ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion to obtain the pesticide solution 12.
At the moment, the proportion of the pesticide is as follows: 3500 times diluted dicyclanilofos ester + 2500 times diluted spirotetramat.
Example 13
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml of 50g/L dicyclopropanetate dispersant and 1.7ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion to obtain the pesticide solution 13.
At the moment, the proportion of the pesticide is as follows: 3500-fold diluted dicyclanil ester and 3000-fold diluted spirotetramat.
Example 14
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml of 50g/L dicyclopropaneth dispersant and 1.4ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion, and the pesticide solution 14 is obtained.
At the moment, the proportion of the pesticide is as follows: dicoformat diluted 3500 times and spirotetramat diluted 3500 times.
Example 15
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml of 50g/L dicyclopropanetate dispersant and 1.25ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion, and the pesticide solution 15 is obtained.
At the moment, the proportion of the pesticide is as follows: dicofol diluted 3500 times and spirotetramat diluted 4000 times.
Example 16
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.25mls 50g/L Cyclopridinate dispersant, which was dispersed in 5L of water to give insecticide solution 16.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 4000 times + blank.
Example 17
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.25ml of 50g/L dicyclopropyl tetramat dispersant and 2ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion, and then the pesticide solution 17 is obtained.
At the moment, the proportion of the pesticide is as follows: dicentrazone diluted 4000 times and spirotetramat diluted 2500 times.
Example 18
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.25ml50g/L dicyclopropanetate dispersant and 1.7ml spirotetramat suspending agent with mass fraction of 22.4 percent are added into 5L water for dispersion to obtain the pesticide solution 18.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 4000 times and spirotetramat diluted 3000 times.
Example 19
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 1.25ml50g/L dicyclopropanetate dispersant and 1.4ml spirotetramat suspending agent with mass fraction of 22.4 percent are added into 5L water for dispersion to obtain pesticide solution 19.
At the moment, the proportion of the pesticide is as follows: dicoformat diluted 4000 times and spirotetramat diluted 3500 times.
Example 20
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 1.25ml of 50g/L dicyclopropanetate dispersant and 1.25ml of spirotetramat suspending agent with the mass fraction of 22.4 percent are added into 5L of water for dispersion to obtain the pesticide solution 20.
At the moment, the proportion of the pesticide is as follows: dicyloproxyfen diluted 4000 times and spirotetramat diluted 4000 times.
Example 21
In the embodiment of the application, the active ingredients in the quick-acting pesticide for controlling cotton aphid comprise: 2ml of a spirotetramat suspension with a mass fraction of 22.4% was dispersed in 5L of water to obtain an insecticide solution 21.
At the moment, the proportion of the pesticide is as follows: blank + 2500-fold diluted spirotetramat.
Example 22
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.7ml of a spirotetramat suspension concentrate with a mass fraction of 22.4% was added to 5L of water and dispersed to obtain an insecticide solution 22.
At the moment, the proportion of the pesticide is as follows: blank + 3000 times diluted spirotetramat.
Example 23
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.4ml of a spirotetramat suspension concentrate with a mass fraction of 22.4% was added to 5L of water and dispersed to obtain an insecticide solution 23.
At the moment, the proportion of the pesticide is as follows: blank + 3500-fold diluted spirotetramat.
Example 24
In the embodiment of the application, the active ingredients in the quick-acting insecticide for preventing and controlling cotton aphids comprise: 1.25ml of a spirotetramat suspension concentrate with a mass fraction of 22.4% was added to 5L of water and dispersed to obtain an insecticide solution 24.
At the moment, the proportion of the pesticide is as follows: blank + 4000 times diluted spirotetramat.
Examples of the experiments
1. Test subjects, crops and varieties
Test subjects: cotton aphid (AphisgossypiiGlover); test crops and varieties: cotton Xinluzao 60; the experimental site: test field 3 of the rock river university.
Weather: sunny; temperature: 30 ℃; relative humidity: 69%; wind direction: breeze; dew: there are few.
2. Experimental methods
The 25 groups of insecticide compound solutions with different dilution times, concentrations and application dosages obtained in the above examples 1-24 were treated 3 times repeatedly, and the groups were randomly grouped and arranged into 72 cells, and the blank control area was added to obtain 73 cells, each cell having an area of 30m 2 And randomly selecting 10 cotton plants in each cell to carry out plant fixing, leaf fixing and hanging tag investigation on the number of cotton aphids. After the basic number of cotton aphids is investigated before pesticide application, pesticide liquid prepared according to the test design concentration is uniformly sprayed on the front and back surfaces of cotton by a sprayer (PB 16), and clear water is sprayed in a blank control area.
3. Survey content and measurement method
(1) Crop safety survey
And (3) visually evaluating whether each cell has the crop phytotoxicity or not after the first pesticide application for 3 days, if the phytotoxicity symptoms of cotton (such as plant dwarfing, leaf chlorosis, leaf deformity, delayed maturity and the like) need to be accurately described, and comparing the pesticide treatment area with a blank control area to evaluate the phytotoxicity occurrence percentage. The specific criteria are as follows:
0: no chemical injury;
1-10%: some plants have phytotoxicity symptoms such as discoloration, dwarfing, necrotic spots, deformity and the like. The pesticide damage situation is difficult to find by the unguided farmer;
11-20%: clear phytotoxicity symptoms appear and can be found without comparing with blank control. The pesticide damage phenomenon can be observed by the un-guided farmers;
21-30%: there are obvious symptoms of phytotoxicity to crops, but crops generally recover growth. Farmers can find the phytotoxicity phenomenon, and part of the farmers consider the phytotoxicity phenomenon unacceptable;
31-50%: typical crop phytotoxicity, symptoms may disappear before harvest, and most crop phytotoxicity is difficult to recover;
51-75%: severe crop phytotoxicity, unrecoverable symptoms, and partial plant death;
76-99%: serious phytotoxicity of crops, serious damage to plants and incapability of recovery until death;
100%: all plants died.
(2) Aphid survey
Investigation was carried out 3 days before application and after the first application, respectively, and the number of aphids on the leaves: and (4) randomly selecting 10 leaves in each cell, and recording the aphid quantity on each leaf.
(3) The prevention effect calculation method comprises the following steps:
percent reduction rate of insect population (%) = (number of live insects before application-number of live insects after application)/number of live insects before application × 100%
The field control effect (%) = (the population reduction rate of the treated area-the population reduction rate of the control area)/(the population reduction rate of the 100-the control area) × 100%
4. Notes and others
(1) Before application, correcting water consumption, and fully practicing in blank cells with clear water to control the liquid medicine within 10% error;
(2) Stopping spraying when the wind speed is more than 3m/s to prevent drift;
(3) The farming operation of all cells needs to be consistent and managed according to a local conventional method;
(4) The prevention and treatment of diseases and other insect pests should be managed regularly.
5. Results of the experiment
The statistical results of the control effect on cotton aphids at different periods after treating 24 groups of cotton aphids are shown in table 3:
Figure BDA0003749263240000151
Figure BDA0003749263240000161
the control effect is observed 3 days after the pesticide is applied, and the compound pesticide with the best quick-acting property can be analyzed from the table. The best combination for day 3 aphid control was: dicoformat diluted 3000 times and spirotetramat diluted 3500 times. From the data, it can be seen that in the process of compounding different formulas, the content of spirotetramat is not more and the quick-acting performance is better when the same effective dose is used, and the 3500-fold prevention effect and quick-acting performance are the best when 22.4% of spirotetramat is diluted. And the control effect of the single-component pesticide is good without the control effect of the two-component compound pesticide, which shows that the two components of the compound pesticide have synergistic effect, and have synergistic effect and better insecticidal effect. In practical application, the proportion of the two components can be adjusted according to different regions and different crops in order to avoid the generation of drug resistance.
Effects of the invention
Randomly choose a piece of 3000m 2 The cotton field is prepared by respectively adding a proper amount of 50g/L dicyclopropionate dispersant and 22.4 percent of spirotetramat suspending agent into 500L of diluent to obtain mixed solution of 3000-time 50g/L dicyclopropionate and 3500-time 22.4 percent of spirotetramat, wherein the active substance is 1.13mg/m of dicyclopropionate 2 The spirotetramat is 4.26mg/m 2 。
Then spray on the cotton through unmanned aerial vehicle, before the application of pesticides respectively, survey 3 days after the primary medicine, aphid quantity on the blade: randomly selecting 100 pieces of 1m 2 In the residential quarter, 10 leaves are randomly selected in each residential quarter, the number of aphids on each leaf is recorded, and finally, the average value is taken to calculate the control effect.
The control effect of the pesticide reaches more than 99% in 3 days after the pesticide is applied, so that the compounded pesticide of the diproprionate diluted 3000 times and the spirotetramat diluted 3500 times has excellent control effect and good quick-acting property even if the pesticide is applied in a large area and is sprayed by an unmanned aerial vehicle.
In summary, the embodiment of the present application provides a quick-acting pesticide for controlling aphis gossypii glover, which comprises the following active ingredients in parts by volume: 1-2 parts of dicyclanil ester dispersing agent and 1-2 parts of spirotetramat suspending agent; wherein the concentration of the dicyclanil ester dispersing agent is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%. Compared with a single-component dicyclanil insecticide or spirotetramat insecticide, the two components of the compound insecticide have synergistic effect, the insecticidal effect is better, and the insecticide is not easy to generate drug resistance.
The embodiment of the application provides application of a quick-acting pesticide for preventing and controlling cotton aphids in pesticides for preventing and controlling the cotton aphids. The pesticide composition is applied to pesticides for controlling cotton aphids, can improve the control effect of the cotton aphids, and can prolong the service life of the pesticide.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (10)

1. The quick-acting pesticide for preventing and treating cotton aphids is characterized in that the active ingredients comprise the following raw materials in parts by volume: 1-2 parts of dicyclopropyl tetramat dispersant and 1-2 parts of spirotetramat suspending agent;
the concentration of the dicyclopropanetate dispersant is 50g/L, and the mass fraction of the spirotetramat suspending agent is 22.4%.
2. The quick-acting insecticide for controlling cotton aphids according to claim 1, wherein the active ingredients comprise the following raw materials in parts by volume: 1.7 parts of the dicyclopropyl tetramat dispersant and 1.4 parts of the spirotetramat suspending agent.
3. The quick-acting insecticide for controlling cotton aphids according to claim 1, wherein the active ingredients comprise the following raw materials in parts by volume: 1.7 parts of the dicyclopropyl tetramat dispersant and 1.7 parts of the spirotetramat suspending agent.
4. The quick-acting insecticide for controlling cotton aphids according to claim 1, wherein said active ingredient is present in an amount of 1 to 90% by weight of the total insecticide composition.
5. The fast-acting insecticide for controlling cotton aphid according to claim 1, further comprising one or more of a dispersant, a cryoprotectant, a stabilizer, a thickener, an emulsifier, a solvent, a co-solvent and a solid inert carrier.
6. The fast-acting insecticide for controlling cotton aphid according to claim 5, wherein said solvent is at least one selected from the group consisting of dimethylformamide, dimethylacetamide, 1, 3-dimethyl-2-imidazolidinone, 2-pyrrolidone, N-methylpyrrolidone, dimethyl sulfoxide, cyclohexanone, isobutanol, and water.
7. The quick-acting insecticide for controlling cotton aphids as claimed in claim 4, wherein said insecticide is in the form of emulsifiable solution, aqueous emulsion, microemulsion, suspending agent, oil suspending agent, microcapsule suspending agent, wettable powder, water dispersible granule or granule.
8. The use of the fast-acting insecticide for controlling aphis gossypii as claimed in any one of claims 1 to 7, in a pesticide for controlling the disease of aphis gossypii.
9. The use according to claim 8, wherein the pesticide is diluted with water to obtain a pesticide dilution, wherein the concentration of the active ingredient in the pesticide dilution is 0.004 to 0.05g/L.
10. The use according to claim 9, wherein the concentration of the active ingredient sprayed in the insecticide diluent is between 0.83 and 7.33mg/m 2 And spraying to the leaf surface.
CN202210833521.XA 2022-07-15 2022-07-15 Quick-acting pesticide for preventing and controlling cotton aphids and application thereof Pending CN115281203A (en)

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JP2018039745A (en) * 2016-09-06 2018-03-15 日本農薬株式会社 Insecticidal/miticidal composition for agricultural and horticultural use and method for use thereof
CN111280174A (en) * 2020-02-28 2020-06-16 上海悦联生物科技有限公司 Synergistic insecticidal composition containing propiconate and application thereof

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Publication number Priority date Publication date Assignee Title
CN103814909A (en) * 2014-02-11 2014-05-28 深圳诺普信农化股份有限公司 Synergistic pesticidal composition
WO2015120684A1 (en) * 2014-02-11 2015-08-20 深圳诺普信农化股份有限公司 Synergistic pesticidal composition and uses thereof
RU2606092C1 (en) * 2015-09-14 2017-01-10 Закрытое акционерное общество Фирма "Август" Insecticide composition and method of pest control of agricultural crops
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