Pesticidal composition containing flupyradifurone and cartap

A technology of fluoropyranone and an insecticidal composition, applied in the field of pesticides, can solve the problems of threats to natural ecological diversity, blocking the chain of plant reproduction, aggravating the impact on the environment, etc., so as to achieve slow growth of resistance and improve insecticidal effect. , the effect of increasing safety

Inactive Publication Date: 2017-09-05
JIANGSU TIANRONG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, due to the rapid growth of resistance to neonicotinoid pesticides such as imidacloprid and acetamiprid, the control effect continues to decline with the accumulation of use time, and the dosage per mu increases significantly, which not only increases the cost of insect control, but also increases the impact on the environment. influences
[0010] In particular, imidacloprid and acetamiprid not only have high resistance, but also seriously poison the bee colonies that spread pollen in nature, thus reducing the bee colony in nature to spread plant pollen, blocking the reproductive chain of plants in nature, and giving Serious threats to natural biodiversity
Therefore, whether imidacloprid can continue to be used has caused fierce debate in the agricultural management department and the pesticide management department.

Method used

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  • Pesticidal composition containing flupyradifurone and cartap
  • Pesticidal composition containing flupyradifurone and cartap
  • Pesticidal composition containing flupyradifurone and cartap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Determination of co-toxicity coefficient of flurpirfurone and cartap in different ratios to rice leaf roller

[0026] In order to confirm whether the mixture of flupyrfurone and cartap has synergistic effect, additive effect or antagonistic effect, we first conducted a formula screening study on flupyrfuranone and cartap, and determined the objects of indoor bioassays. It is the most serious damage to rice stem borer in my country. The specific measurement and results are as follows:

[0027] According to the data provided by the Pesticide Inspection of the Ministry of Agriculture of China, the recommended dose of flurpirfurone to control rice planthoppers is 5-7 grams of active ingredients / mu, and the recommended dose of cartap to control rice leaf rollers is 45-54 grams Active ingredients / mu, based on this, the ratio of the experimental design is 1:1, 1:2, 1:5, 1:10, 1:20, 1:30, 1:40, 1:50, a total of 8 In addition, two single-dose treatments of flurpirfuro...

Embodiment 2

[0040] Example 2: Determination of the co-toxicity coefficient of flurpirfurone and cartap in different ratios to rice planthoppers

[0041] In order to confirm whether the mixture of flurpirfurone and cartap has a synergistic, additive or antagonistic effect on sucking mouthparts pests, we used the above 8 formulas of flurpirfurone and cartap mixed , the indoor virulence assay of rice planthopper was carried out. The 3rd instar nymphs of rice planthoppers were selected, and the determination method was dipping method.

[0042] Put the test insects into the funnel folded with filter paper, take 3mL of the above liquid medicine into the funnel with a pipette gun, keep the test insects in the liquid medicine for 30 seconds, take them out and put them on the filter paper to absorb the excess liquid medicine , the test insects are transferred to glass insect culture tubes (diameter 1.8cm, height 8cm) and put into wet soil with an appropriate amount of water content (about 18%) an...

Embodiment 3

[0050] Example 3: 40% flurpirfurone · cartap wettable powder

[0051]

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PUM

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Abstract

The invention discloses a pesticidal composition containing flupyradifurone and cartap. The composition contains the active components flupyradifurone and cartap in a mass ratio of 1:(1-50). On the basis of keeping the original control effect, the pesticidal composition has the synergistic action; and the pesticidal composition has wider pesticidal spectrum, and can postpone the generation of drug resistance of pests to the reagents. The price of the flupyradifurone is much higher than that of the cartap; by compounding the cartap and a small amount of flupyradifurone, the pesticidal composition has apparently higher pesticidal effects than the single flupyradifurone or cartap, lowers the production cost, and reduces the economic burden of farmers.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition containing both flurpirfurone and cartap as active ingredients. Background technique [0002] In recent years, the scientific compounding of two or more insecticides to expand the insecticidal spectrum or improve the control effect has been widely used. Such as abamectin and monosultap, imidacloprid and monosultap, chlorpyrifos and monosultap, buprofezin and monosultap and other compound pesticides have been applied in agricultural production. [0003] Rice is the main food crop in my country. Rice borers and rice planthoppers are the main pests in rice planting, among which rice leaf rollers, rice stem borers, brown planthoppers and white-backed planthoppers are the most harmful. [0004] The rice leaf roller (Cnaphalocrocis medinalis Guenee) is one of the main pests in rice producing areas in my country, and it is widely distributed in various ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/12A01N43/40A01P7/04
CPCA01N43/40A01N47/12A01N2300/00
Inventor 许网保虞国新
Owner JIANGSU TIANRONG GROUP
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