Compound insecticidal composition containing tolfenpxrad and spinetoram and application of compound insecticidal composition

A technology of spinosyn and insecticidal composition, applied in the direction of application, insecticide, acaricide, etc., can solve the problems of high cost of pesticides for farmers, inability to protect crops, easy to produce drug resistance, etc., and achieve the goal of overcoming pests Antimicrobial resistance, delaying pest resistance, and improving control effects

Inactive Publication Date: 2015-06-03
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Insecticide varieties containing a single component often have defects in the control of pesticide pests: continuous use is easy to prod

Method used

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  • Compound insecticidal composition containing tolfenpxrad and spinetoram and application of compound insecticidal composition
  • Compound insecticidal composition containing tolfenpxrad and spinetoram and application of compound insecticidal composition
  • Compound insecticidal composition containing tolfenpxrad and spinetoram and application of compound insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1:

[0023] Weigh 30 g of tolfenpyrad and spinosyn, 4 g of calcium dodecylbenzene sulfonate, 4 g of polyoxyethylene phenethyl phenol, and 100 g of vegetable oil. The above raw materials are put into a mixing kettle according to the conventional method of preparing emulsifiable concentrates and mixed to prepare tolfenpyrad·spinetoram emulsifiable concentrate with a main active ingredient weight percentage of 30%. The specific ratios of tolfenpyrad and spinetoram are shown in Tables 1 and 2.

[0024] Using feed poisoning method for indoor synergistic bioassay, select resistant cotton bollworm as the target pest, repeat 3 times for each treatment, and treat 60 heads per concentration. Use the probability value method to calculate the toxicological regression equation and Lethal concentration LC 50 , Use LC 50 The value is calculated by Sun Yunpei's method of co-toxicity coefficient, and the results are shown in Table 1:

[0025] Table 1 Tolfenpyrad and spinetoram compou...

Example Embodiment

[0033] Example 2:

[0034] Weigh 5 g of Tolfenpyrad, 50 g of spinetoram, 3 g of triphenylethyl phenol polyoxyethylene ether phosphate, Nongru 33#2g, 600#1g, 13g solvent naphtha, and add water to 100g. The above raw materials are put into a mixing kettle for high-speed mixing according to the conventional method of preparing an aqueous emulsion to form a tolfenpyrad·spinetoram aqueous emulsion with a main active ingredient weight percentage of 55%.

Example Embodiment

[0035] Example 3:

[0036] Weigh 2g tolfenpyrad, 18g spinosyn, 6g calcium dodecylbenzene sulfonate, 3g triphenylethyl phenol polyoxyethylene ether phosphate, Nongru 33#2g, 600#1g, cyclohexanone 10g, add water to 100g. The above raw materials are put into a mixing kettle according to the conventional method of preparing microemulsions and mixed to form a tolfenpyrad·spinetoram microemulsion with a main active ingredient weight percentage of 20%.

[0037] The efficacy test for controlling cotton bollworm in Example 3 was carried out. The control agents were 60 g / L spinetoram SC and 15% tolfenpyrad SC, which were diluted according to the dilution factor in Table 3, and checked for 3 days after the treatment. The results of days and 14 days, the processing results are shown in Table 3:

[0038] Table 3: Field test results of tolfenpyrad-spinetoram compound against cotton bollworm

[0039]

[0040]

[0041] Field efficacy results show that the Tolfenpyrad·spinetoram composition has an ex...

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Abstract

The invention discloses a compound insecticidal composition containing tolfenpxrad and spinetoram and an application of the compound insecticidal composition. The insecticidal composition takes tolfenpxrad and spinetoram as insecticidal active ingredients, wherein the weight ratio of tolfenpxrad to spinetoram is (0.1-80):(0.5-80). The insecticidal composition can generate a relatively high synergistic effect, overcomes and delays the harmful insect resistance, is high in insecticidal speed and long in lasting period, and reduces the drug cost, and the control effect of the insecticidal composition is obviously higher than that of a single agent. The insecticidal composition disclosed by the invention can be used for controlling lepidopterous pests, in particular cotton bollworm and stem borers, on crops, and the effect of the insecticidal composition is obviously higher than that of a single agent.

Description

technical field [0001] The invention belongs to the field of agricultural insecticides containing heterocyclic compounds, and in particular relates to a compound insecticidal composition containing tolfenpyrad and spinosad and its application. Background technique [0002] Fenpyrad (Tolfenpyrad), chemical name: 4-chloro-3-ethyl-1-methyl-N-{[4-(4-methylphenoxy)phenyl]-methyl}-1H pyrazole -5-carboxamide, molecular formula: C 21 h 22 C l N 2 o 2 , the structural formula is: [0003] [0004] Fenpyramid is a new type of pyrazole heterocyclic insecticide and acaricide developed by Mitsubishi Chemical Corporation in Japan. Its main mechanism of action is to prevent the oxidative phosphorylation of insects, and it also has the functions of killing eggs, inhibiting feeding, inhibiting oviposition and bactericidal effect. [0005] Spinetoram, the structural formula is: [0006] [0007] XDE-175-J is a new spinosad insecticide produced by Dow AgroSciences and has receive...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01P7/02A01P7/04A01N43/22
Inventor 甘华军郭崇友张宝俊彭永强黄娟
Owner NANJING HUAZHOU PHARMA
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