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A compound insecticidal composition containing phoxim and spinosad and its application

A technology of spinosad and insecticidal composition, applied in the directions of application, insecticide, biocide, etc., can solve the problems of high cost of medication for farmers, easy generation of drug resistance, and inability to protect crops, and achieves overcoming pest resistance. Medicinal properties, delaying pest resistance, and the effect of good control

Active Publication Date: 2016-09-14
NANJING HUAZHOU PHARMA +1
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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 produce resistance, narrow insecticidal spectrum, cannot provide comprehensive protection for crops, and the cost of pesticides for farmers is high.

Method used

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  • A compound insecticidal composition containing phoxim and spinosad and its application
  • A compound insecticidal composition containing phoxim and spinosad and its application
  • A compound insecticidal composition containing phoxim and spinosad and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 30 g of phoxim and spinosad, 4 g of calcium dodecylbenzenesulfonate, 4 g of phenethylphenol polyoxyethylene ether, and 100 g of vegetable oil. Put the above raw materials into a mixing tank according to the conventional method for preparing emulsifiable concentrate, and mix them to prepare phoxim-ethyl pleocidin emulsifiable concentrate with a main active ingredient of 30% by weight. Wherein the specific ratios of phoxim and spinosad are shown in Tables 1 and 2.

[0024] Indoor synergistic bioassay was carried out by feed poisoning method, the resistant cotton bollworm was selected as the target pest, each treatment was repeated 3 times, and 60 heads were treated at each concentration, and the toxicological regression equation and sum of each pesticide resistant cotton bollworm were calculated by the probability value method lethal middle concentration LC 50 , with LC 50 The co-toxicity coefficient was calculated according to Sun Yunpei method, and the results a...

Embodiment 2

[0033] Weigh 5g of phoxim, 50g of spinosad, 3g of tristyrylphenol polyoxyethylene ether phosphate, 2g of agricultural milk 33#, 1g of 600#, 13g of mineral spirits, and add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing an aqueous emulsion, and mix at high speed to form a phoxim-ethyl spinosad aqueous emulsion with a main active ingredient weight percentage of 55%.

Embodiment 3

[0035] Weigh 2g phoxim, 18g ethyl spinosad, 6g calcium dodecylbenzenesulfonate, 3g tristyrylphenol polyoxyethylene ether phosphate, Nongru 33# 2g, 600# 1g, cyclohexanone 10g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing microemulsions, and mix them to form a phoxim-ethyl spinosad microemulsion with a main active ingredient weight percentage of 20%.

[0036] Carry out control cotton bollworm efficacy test to embodiment 3, contrast medicament is 60 grams per liter of ethyl pleocidin SC and 50% phoxim WP, dilute according to the dilution multiple in table 3, check 3 days after medicine, 7 days, 14 days for results, processing results

[0037] See Table 3:

[0038] Table 3: Field test results of phoxim-ethyl spinosad compound resistant cotton bollworm

[0039]

[0040]

[0041] The field efficacy results showed that the phoxim-ethyl spinosad composition had excellent control effects on resistant cotto...

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Abstract

The invention discloses a composite insecticidal composition containing phoxim and spinetoram and an application thereof. In the composite insecticidal composition, the phoxim and the spinetoram are employed as insecticidal active components, wherein a weight ratio of the phoxim to the spinetoram 0.1-80:0.5-80. The composite insecticidal composition can achieve a high synergistic effect, can overcome and delay drug resistance of pests, is high in insecticidal speed, is long in lasting time, is reduced in application cost, and is significantly higher than a single insecticide in preventing and treating effects. The composite insecticidal composition can prevent and treat lepidoptera pests on crops, and especially can be used for preventing and treating cotton bollworm and stem borers. The composite insecticidal composition is significantly higher than a single insecticide in effects.

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 phoxim and spinosad and its application. Background technique [0002] Spinetoram, the structural formula is: [0003] [0004] XDE-175-J is a new type of spinosad insecticide produced by Dow AgroSciences, and received the first global registration, mainly used to control Lepidoptera larvae, thrips and leaf miners, etc. , It has a good control effect on diamondback moth, beet armyworm, leafminer, thrips, armyworm, pod borer. [0005] Phoxim, chemical name: 0,0-diethyl-0-(phenylacetonitrile ketoxime) phosphorothioate. Structural formula: [0006] [0007] Phoxim, also known as oximthion and benithion, is a synthetic low-toxic organophosphorus insecticide, which was successfully developed for the first time by German Bayer Pharmaceutical Company. It is stable in neutral and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/14A01P7/04A01N43/22
Inventor 王建兵彭永强甘华军石振龙邢刚
Owner NANJING HUAZHOU PHARMA