CN116918810A - Pesticide composition and application thereof - Google Patents

Pesticide composition and application thereof Download PDF

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Publication number
CN116918810A
CN116918810A CN202310663037.1A CN202310663037A CN116918810A CN 116918810 A CN116918810 A CN 116918810A CN 202310663037 A CN202310663037 A CN 202310663037A CN 116918810 A CN116918810 A CN 116918810A
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China
Prior art keywords
active component
pesticide
composition
spirotetramat
pymetrozine
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Pending
Application number
CN202310663037.1A
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Chinese (zh)
Inventor
孟水强
郭明
王莎
田鹏会
刘建新
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Hebei Ailin Chemical Technology Co ltd
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Hebei Ailin Chemical Technology Co ltd
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Priority to CN202310663037.1A priority Critical patent/CN116918810A/en
Publication of CN116918810A publication Critical patent/CN116918810A/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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
    • 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
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • 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)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Insects & Arthropods (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to the technical field of pesticides, and particularly discloses a pesticide composition and application thereof. The pesticide composition comprises an active component A and an active component B; the active component A comprises 4-trifluoromethyl nicotinamide, and the active component B comprises at least one of pymetrozine and spirotetramat. The pesticide composition provided by the invention has an excellent control effect on piercing-sucking pests, especially on homoptera pests, is small in dosage and application frequency, and can effectively reduce the influence of a drug on the drug resistance of environment, non-target organisms and target organisms.

Description

Pesticide composition and application thereof
The invention relates to a divisional application of 2022, 6 and 22 days, 202210715551.0 and a pesticide composition and application thereof, which is applied for Hebei Ai Lin chemical technology limited company.
Technical Field
The invention relates to the technical field of pesticides, in particular to a pesticide composition and application thereof.
Background
Piercing-sucking pests are a larger group of pests. The plant juice is extracted from the plants, and the plant juice is used for drawing nutrition, so that the branches, the leaves and the flowers curl, and even the whole plant withers or dies. Meanwhile, piercing-sucking pests are easy to induce coal pollution diseases, and the pests are also propagation media of various plant virus diseases.
At present, most of commonly used pesticides for controlling piercing-sucking pests are nicotine, pymetrozine, pyrethrin and the like, but the nicotine and pyrethrin pesticides have obviously increased drug resistance along with the increase of using frequency, and the existing pesticides have poor stability and short duration of control effect in the using process, so that the expected control effect is difficult to achieve after multiple uses. The pesticide can be used for a large amount and a plurality of times, which can necessarily affect the environment, non-target organisms and the drug resistance of pests, and the large amount of drug residues also affect the healthy eating of crops to a certain extent.
Therefore, research on novel pesticides with good environmental compatibility, low consumption, low residue, good control effect and capability of effectively preventing the spread of piercing-sucking pests has become a necessary trend.
Disclosure of Invention
The present invention provides an insecticide composition having an excellent control effect on piercing-sucking pests with a small amount and a low application number, and an application thereof, aiming at the above-mentioned problems of the existing insecticide for controlling pests.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
an insecticide composition comprising an active ingredient a and an active ingredient B;
the active component A comprises 4-trifluoromethyl nicotinamide (4-trifluoromethyl nicotinamide, TFNA-AM), and the active component B comprises at least one of pymetrozine and spirotetramat.
Compared with the prior art, the pesticide composition provided by the invention has obvious synergistic effect on preventing and controlling homoptera pests through the combination of the 4-trifluoromethyl nicotinamide (TFNA-AM) and pymetrozine or spirotetramat, and the dosage of the pesticide is reduced. Meanwhile, the combination of TFNA-AM and pymetrozine or spirotetramat can greatly promote the lasting effect of the pesticide, remarkably reduce the times of using the pesticide and effectively avoid the spread of coal pollution diseases and various plant virus diseases induced by piercing-sucking pests. The pesticide provided by the invention effectively reduces the influence of pesticide preparations on the environment, non-target organisms and drug resistance of controlled objects in the using process, and has the characteristic of environmental friendliness.
Preferably, the mass ratio of the active component A to the active component B is 1:0.1-10.
Preferably, the mass ratio of the active component A to the active component B is 1:0.2-5.
The composition ratio of the active component A to the active component B can further improve the control effect of the pesticide and reduce the dosage of the pesticide.
The invention also provides a pesticide preparation, which comprises the pesticide composition and an auxiliary agent.
The invention also provides application of the pesticide composition in preparing pesticide preparations for controlling piercing-sucking pests.
Preferably, the piercing-sucking pest is homopteran pest.
The invention also provides a using method of the pesticide composition, which comprises the following steps: the pesticide composition is mixed with water according to the mass ratio of 1:2000-5000, and then the mixture is sprayed on crops.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Toxicity test of composition against Aphis gossypii:
the specific verification method comprises the following steps:
the effect of the pesticide is evaluated by adopting the grand cloud Peel method, and the toxicity LC of the pesticide is measured 50 Or LD 50 And calculating relative toxicity index and co-toxicity coefficient. The co-toxicity coefficient is more than 120, and the synergistic effect is achieved; the co-toxicity coefficient is between 80 and 120, and is the superposition effect; the co-toxicity coefficient is smaller than 80, and the antagonism is realized.
Toxicity index (T1) = (standard insecticide LC 50 Single dose LC 50 )×100；
Actual measured toxicity index of the mixture (AT 1) = (standard insecticide LC) 50 Mixing LC 50 )×100；
Theoretical toxicity index of the mixture (TT 1) =a toxicity index of the preparation x the content of the preparation in the mixture (%)
+b agent toxicity index x content (%) of agent in the mix;
blend co-toxicity coefficient (CTC) = (blend measured toxicity index/blend theoretical toxicity index) ×100.
Standard insecticide: a compound with a specified toxicity index of 100; single dose: 4-trifluoromethyl nicotinamide (TFNA-AM), pymetrozine or spirotetramat; and (3) mixing: compounding TFNA-AM with pymetrozine or spirotetramat.
The tested pests are sensitive aphid nymphs raised on cotton seedling plants in a laboratory, the pest should be consistent in age, and the individual difference is not obvious.
Weighing a certain amount of compound raw medicine, dissolving with methanol, and preparing into high-concentration mother solution. Diluted with distilled water containing 0.1% Triton X-100 to 5-7 mass concentration gradients.
The method comprises the steps of measuring by adopting a leaf dipping method, selecting healthy and smooth true leaves, completely immersing the true leaves in the liquid medicine with each concentration for 15 seconds, draining excessive liquid medicine, airing the leaves, placing the dried leaves in a culture dish paved with an agar base, inoculating about 30 cotton aphids to each dish, then moving to normal condition for feeding, and checking the death rate of the test insects after 72 hours. The results are shown in Table 1.
Table 1 results of indoor toxicity test of compositions against Aphis gossypii
According to the indoor measurement result of cotton aphid, TFNA-AM and pymetrozine or spirotetramat can be compounded in different proportions, and the TFNA-AM and pymetrozine or spirotetramat can show remarkable synergistic effect. Wherein the maximum co-toxicity coefficient is shown when the ratio of the component A to the component B is 2:3.
Example 2
Toxicity test of the composition against brown planthoppers:
the rice seedling soaking method is adopted to measure, cup-planted rice seedlings with the plant height of about 10cm are selected, 2mL of 1.5% water agar solution is added to the soil surface of the rice seedlings, and the rice seedlings are solidified after standing for 1 h. The cup-planted rice seedlings are inverted into the prepared solution, immersed into the rice seedling base for 30 seconds, and taken out for airing. 10-15 brown planthoppers are taken by a pest sucking device, are connected to the treated rice seedlings, and are transferred to normal conditions for breeding. After 10-15 d of treatment, the results were investigated. The results are shown in Table 2.
Table 2 results of indoor toxicity test of compositions against brown planthoppers
As shown in the results of Table 2, the TFNA-AM and pymetrozine or spirotetramat are compounded in different proportions, and the TFNA-AM and pymetrozine or spirotetramat have obvious synergistic effect on brown planthoppers. Wherein the maximum co-toxicity coefficient is shown when the ratio of the component A to the component B is 2:3.
Example 3
Toxicity test of the composition against trialeurodes vaporariorum:
the blade impregnation method is adopted. Selecting a plurality of healthy and insect-free cucumber leaves, respectively immersing the cucumber leaves in liquid medicines with different concentrations for 30s, and then taking out and airing the cucumber leaves. A layer of filter paper is filled in the culture dish, then the leaves are put on the filter paper of the culture dish, the leaf stalks are wrapped by wet absorbent cotton for moisturizing, and 40-50 nymphs of 1-2 years old are inoculated into each dish. After 3d of treatment, the results were investigated. The results are shown in Table 3.
Table 3 results of indoor toxicity test of compositions against trialeurodes vaporariorum
According to the indoor measurement result of the trialeurodes vaporariorum, the TFNA-AM and the pymetrozine or the spirotetramat can be compounded in different proportions, and the TFNA-AM and the pymetrozine or the spirotetramat can show remarkable synergistic effect. Wherein the maximum co-toxicity coefficient is shown when the ratio of the component A to the component B is 2:3.
According to the indoor toxicity measurement result, the TFNA-AM and pymetrozine or spirotetramat are screened out to have the most remarkable synergistic effect when the ratio is 2:3, so that the ratio is used as a preparation for a subsequent field efficacy test.
Example 4
The field control effect test and the drug effect calculation method are as follows:
rate of reduction of insect population = (number of insects before administration-number of insects after administration)/number of insects before administration x 100%
Control effect= (treated rate of reduction of insect population-control rate of reduction of insect population)/(1-control rate of reduction of insect population) ×100%.
Each compound formulation: 5% of TFNA-AM suspending agent, 22.4% of spirotetramat suspending agent, 25% of pymetrozine suspending agent, 16% of TFNA-AM+24% of pymetrozine suspending agent (mixture 1) and 16% of TFNA-AM+24% of spirotetramat suspending agent (mixture 2).
Test of the insecticidal composition on Aphis gossypii fields:
the test is carried out in Arrayal, xinjiang, and cotton plants with 7-8 leaf ages and consistent growth vigor are selected for spray treatment. Each formulation was diluted at the dilution ratios listed in the table, and the treatment with the formulation package containing no active ingredient was used as a control. Each treatment was carried out in 4 replicates, each comprising at least 100 cotton aphids. The number of insect population is investigated before the application, the residual numbers of cotton aphids are investigated 3d, 7d, 14d and 24d after the application, and the rate of insect population decline and the control effect are calculated. The test results are shown in Table 4.
Table 4 results of field control measurements of insecticide on cotton aphids
Test results show that the pesticide obtained by compounding TFNA-AM and pymetrozine or spirotetramat has good control effect on cotton aphids. The 3d after the medicine has better control effect and the 7d after the medicine has excellent control effect. Compared with a single dose, the TFNA-AM and pymetrozine or spirotetramat are compounded to have enhanced quick-acting property and obvious lasting effect.
Example 5
Field control test of insecticidal composition on trialeurodes vaporariorum:
the test is carried out in Hebei Shijia city, cucumber is selected as test crop, plants with consistent growth vigor are selected for spraying treatment, each preparation is diluted according to dilution factors listed in the table, and treatment of a preparation package without active ingredients is adopted as a control. 4 cells are arranged in each treatment, the number of the insect population is investigated before the application, the residual number of the powdery mildew is investigated 3d, 7d, 14d and 21d after the application, and the reduction rate and the control effect of the insect population are calculated. The test results are shown in Table 5.
TABLE 5 results of field control measurements of insecticide against white fly
Test results show that the insecticide prepared by compounding TFNA-AM and pymetrozine or spirotetramat has good control effect on whiteflies. The 3d after the medicine has better prevention effect, and the 7d after the medicine has more than 95 percent of prevention effect. The medicine 21d still has good control effect.
Example 6
Field control test of insecticidal composition on brown planthoppers:
the test is carried out in Jiangsu Huaian, the test crop is rice, the plant with consistent growth vigor is selected for spraying treatment, each preparation is diluted according to dilution factors listed in the table, and the treatment of the preparation package without active ingredients is adopted as a control. Each treatment had 3 cells containing 30 plants per cell. The number of the insect population was investigated before the administration, the residual number of brown planthoppers was investigated 3d, 7d, 14d and 30d after the administration, and the rate of reduction and control effect of the insect population were calculated. The test results are shown in Table 6.
TABLE 6 results of field control of pesticide on brown planthoppers
Test results show that the pesticide obtained by compounding TFNA-AM and pymetrozine or spirotetramat has good control effect on rice planthoppers. The 3d after one-time administration has better prevention effect, and the 7d prevention effect after one-time administration is more than 95 percent.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.

Claims (6)

1. An insecticide composition characterized in that: comprises an active component A and an active component B;
the active component A comprises 4-trifluoromethyl nicotinamide, and the active component B comprises spirotetramat; the mass ratio of the active component A to the active component B is 1:0.1-10.
2. The insecticidal composition of claim 1, wherein: the mass ratio of the active component A to the active component B is 1:0.2-5.
3. A pesticide formulation characterized in that: comprising the pesticidal composition of any one of claims 1-2 and an adjuvant.
4. Use of the pesticidal composition of any one of claims 1-2 in the preparation of a pesticidal formulation for controlling piercing-sucking pests.
5. Use of the pesticidal composition according to claim 4 for the preparation of a pesticidal formulation for controlling piercing-sucking pests, characterized in that: the piercing-sucking pests are homoptera pests.
6. A method of using the pesticidal composition of any one of claims 1-2, wherein: the pesticide composition is mixed with water according to the mass ratio of 1:2000-5000, and then the mixture is sprayed on crops.
CN202310663037.1A 2022-06-22 2022-06-22 Pesticide composition and application thereof Pending CN116918810A (en)

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CN115747298B (en) * 2022-10-10 2023-10-27 浙江大学 Insect nicotinamide enzyme inhibitors, methods of identification and use for pesticides

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