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Composite containing oxadiazines and pyrromonazole pesticide

A technology of insecticidal composition and pyrazoles, applied in the directions of biocides, biocides, animal repellents, etc., can solve problems such as poor effect, and achieve the effects of expanding control spectrum, delaying drug resistance, and good quick effect

Active Publication Date: 2009-06-03
DONGGUAN RUIDEFENG BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ethpronil is less effective against Lepidoptera pests, and its use alone is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Bioassay example 1: Indoor toxicity determination and ratio screening of indoxacarb and butene-fipronil compound against Chilo borer

[0018] The indoor toxicity of different ratios of indoxacarb and butene-fipronil to Chilo borer was determined by spraying method.

[0019] According to Sun Yunpei's method, the toxicity index of each drug and the co-toxicity coefficient (CTC value) of the mixture were calculated, that is, CTC ≤ 80 was antagonism, 80<CTC<120 was additive, and CTC ≥ 120 was synergistic.

[0020] Actual Toxicity Index (ATI) = Standard Drug LC 50 / Test agent LC 50 ×100

[0021] Theoretical toxicity index (TTI) = Toxicity index of agent A × percentage of A in the mixture + toxicity index of agent B × percentage of B in the mixture

[0022] Co-toxicity coefficient (CTC) = mixture measured toxicity index (ATI) / mixture theoretical toxicity index (TTI) × 100

[0023] The results showed that the ratio of indoxacarb and butylene-fipronil between 20:1-1:20 ha...

example 2

[0026] Bioassay Example 2: Indoor Toxicity Determination and Mixing Screening of Indoxacarb and Ethpronil Compound to Rice Planthopper

[0027] The indoor toxicity of different ratios of indoxacarb and ethiprole to rice planthoppers was determined by spraying method. According to Sun Yunpei's method, the toxicity index of each drug and the co-toxicity coefficient (CTC value) of the mixture were calculated, that is, CTC ≤ 80 was antagonism, 80<CTC<120 was additive, and CTC ≥ 120 was synergistic. The results showed that the ratio of indoxacarb and ethiprole between 20:1-1:20 showed obvious synergistic effect, and the co-toxicity coefficient was above 130 (Table 2).

[0028] Table 2 Determination results of indoor co-toxicity coefficient of indoxacarb and ethiprole compound against rice planthopper

[0029] deal with LC 50 (mg / L) AT1 TTI Co-toxicity coefficient CcTC Indoxacarb 9.65 100.0 ethiprole 3.44 280.5 Indoxacarb 20: Ethpronil 1...

Embodiment 1

[0032] Example 1: 22% indoxacarb butene fipronil suspension concentrate

[0033] Indoxacarb 20%

[0034] Butylene Fipronil 2%

[0035] Sodium methylnaphthalenesulfonate formaldehyde condensate 10%

[0036] Xanthan Gum 1%

[0037] Bentonite 1%

[0038] Farm Milk 500# 5%

[0039] Isopropanol 5%

[0040] Water Make up to 100%.

[0041] Active ingredient, dispersant, wetting agent, water and other components are uniformly mixed according to the formula ratio, and after grinding and / or high-speed shearing, 22% indoxacarb-butene fipronil suspension concentrate is obtained.

[0042] This embodiment is applied to control Plutella xylostella. 22% indoxacarb·butene fipronil suspension was diluted 5000 times with water and sprayed, and the control effects were 86.1%, 95.8% and 93.5% on 1 day, 7 days and 15 days after application. 15% indoxacarb suspension was used at 3500 times and 5% butylene fipronil EC was used at 1200 times by the same method, and the control effects were 78....

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PUM

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Abstract

The invention relates to a desinsection composite which belongs to the technical field of pesticide. The desinsection composite comprises Indoxacarb and one of pyrromonazole pesticides of crotonylfipronil or ethiprole; wherein, the weight portion ratio of the Indoxacarb to the pyrethroid pesticides is 20:1-1:20. The Indoxacarb after being complexly mixed with the crotonylfipronil or the ethiprole has remarkable synergy, and is used for controlling the pests on the crops like rice, fruit trees, cotton, vegetables, and the like, in particular the insect pests with piercing sucking mouthparts like asparagus caterpillar, diamond back moth, Chilo suppressalis, paddy borer, rice leaf roller, cotton bollworm, and the like.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing indoxacarb and pyrazole insecticides. Background technique [0002] Beet armyworm, diamondback moth, rice borer, cotton bollworm and other lepidopteran pests, planthoppers, thrips, etc. are important pests on vegetables, cotton, rice and other crops. They occur to a serious degree and cause great harm. In recent years, due to single and unscientific use of pesticides, these pests have developed varying degrees of resistance to the currently used pesticides, which has become a major problem in chemical control. At the same time, in order to control its harm, farmers have to frequently apply pesticides, which not only increases the burden on farmers, but also aggravates the pollution of the environment and the destruction of natural ecology. Therefore, there is an urgent need for new insecticide products with high efficiency, good compatibility with the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/56A01P7/00
Inventor 曹明章刘胜召赵 爽孔 建赵爽孔建
Owner DONGGUAN RUIDEFENG BIO TECH
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