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Insecticidal composition containing flupyradifurone and bensultap

A technology of flurpirfurone and insecticidal composition, which is applied in the field of pesticides, can solve the problems of threats to natural ecological diversity, block plant reproduction chains, and aggravate environmental impacts, achieve slow resistance growth and improve insecticidal effects , the effect of increasing safety

Active Publication Date: 2017-11-10
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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  • Insecticidal composition containing flupyradifurone and bensultap
  • Insecticidal composition containing flupyradifurone and bensultap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Determination of the co-toxicity coefficient of the rice leafroller with different ratios of flupyridone and insecticidal sulfonic acid

[0026] In order to confirm whether the mixture of flupyridone and insecticidal sulfonic acid has synergistic effect, additive effect or antagonistic effect, we first conducted a formula screening study on fluoropyranone and insecticidal sulfonic acid, and determined the objects of indoor bioassay. For the rice leaf roller, which is the most serious damage in rice production in my country, the specific measurement conditions and results are as follows:

[0027] According to data reports, the recommended dose of flupyridone to control rice planthopper is 5-6 grams of active ingredients / mu, and the recommended dose of insecticidal sulfur to control rice leaf rollers is 40 grams of active ingredients / mu. Based on this , the experimental design ratio is 1:1, 1:2, 1:5, 1:10, 1:20, 1:30, 1:40, 1:50, 1:60, a total of 9 treatments, a...

Embodiment 2

[0040] Example 2: Determination of the co-toxicity coefficient of rice planthopper with different ratios of flupyridone and insecticidal sulfonic acid

[0041] In order to confirm whether the mixture of flupyridone and insecticidal sulfonic acid has synergistic, additive or antagonistic effects on sucking mouthpart pests, we used the above 9 formulas of flupyridone and insecticidal sulfonic acid. , an indoor virulence assay was performed on the rice planthopper. The third instar nymphs of the rice planthopper were selected, and the dipping method was used for the determination method.

[0042] Put the test worms into the funnel that has been folded with filter paper, use a pipette to take 3 mL of the above medicinal solution into the funnel, keep the test worms in the medicinal solution for 30 seconds, take it out and put it on the filter paper to absorb the excess medicinal solution. , transfer the test worms into a glass worm-keeping tube (1.8cm in diameter, 8cm in height),...

Embodiment 3

[0050] Example 3: 40% Fluoropyranone·Insecticide Sulfur WP

[0051]

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Abstract

The invention discloses an insecticidal composition containing flupyradifurone and bensultap. The composition includes active ingredients, namely flupyradifurone and bensultap, wherein the mass ratio of flupyradifurone to bensultap is1:(1-60). The insecticidal composition has the synergistic effect on the basis of maintaining the original control effect, expands the insecticidal spectrum and meanwhile delays the generation of resistance of pests to the pesticide. The price of flupirfurone is much higher than that of bensultap, bensultap is made to be compounded with a small amount of flupyradifurone, the insecticidal effect of the insecticidal composition containing flupyradifurone and bensultap is much higher than that of single use of flupirfurone or bensultap, the production cost is also reduced and the economic burden of farmers is relieved.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition containing both active components fluoropyranone and insecticidal sulfonic acid. Background technique [0002] In recent years, the scientific compounding of two or more pesticides to expand the insecticidal spectrum or improve the control effect has been widely used. Such as abamectin and insecticidal list, imidacloprid and insecticidal list, chlorpyrifos and insecticidal list, thiazide and insecticidal list compound pesticides have been used 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 them, rice leaf rollers, diploid borers, brown planthoppers and white-backed planthoppers are the most harmful. [0004] Rice leaf roller (Cnaphalocrocis medinalis Guenee) is one of the main pests in rice-producing areas in my country and is widely distr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N41/08A01P7/04A01P7/02
CPCA01N41/08A01N43/40
Inventor 许网保虞国新
Owner JIANGSU TIANRONG GROUP
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