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Bifenazate-containing insecticidal composition

An insecticidal composition, technology containing bifenazate, applied in the direction of biocides, acaricides, biocides, etc., can solve the problems of ineffective adult mites, poor persistence, and low lethality, and achieve crop safety Good sex, good insecticidal effect, and low cost of medication

Inactive Publication Date: 2009-09-16
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, tetrafenazin has been used for a long time, and the resistance gradually increases. When the density of mites is high and the temperature is high, the effect is not ideal, and the quick effect is poor, and there is a defect that it is ineffective against adult mites.
[0005] At present, the pesticide preparations with bifenazate as the active ingredient are mainly 480 g / L bifenazate suspension concentrate. It has good resistance and high control effect on larvae, adults and nymphs, but its persistent effect is average, and its lethality to eggs is not large. Tetrafenazin acts on mite eggs and has a long-lasting effect, but its quick-acting effect is poor, and its effect on adult mites is poor. The mite is ineffective, the inventor accidentally found that the mixed use of bifenazate with fenbutatin or tetrafenazine can improve its quick-acting effect, and has a good duration of effect, slowing down the generation of pest resistance

Method used

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  • Bifenazate-containing insecticidal composition
  • Bifenazate-containing insecticidal composition
  • Bifenazate-containing insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 0.8% bifenazate, 50% fenbutyltin, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull open powder BX (sodium dibutyl naphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, diatomaceous earth add to 100% weight portion . 50.8% bifenazate·fenbutatin water-dispersible granules were prepared by the conventional method for preparing water-dispersible granules from the above-mentioned raw materials, ie, mixing, ultrafine airflow pulverization, mixing, and granulation.

[0024] In this embodiment, the weight ratio of bifenazate to fenbutatin can be changed between 0.01-200:1, and the total weight composition of the two is still 50.8%, forming a new embodiment.

Embodiment 2

[0026] Weigh 40% bifenazate, 0.3% fenbutyltin, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull open powder BX (sodium dibutyl naphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, diatomaceous earth add to 100% parts by weight . 40.3% bifenazate·fenbutatin water-dispersible granules were prepared by the conventional method for preparing water-dispersible granules from the above-mentioned raw materials, ie, mixing, ultrafine airflow pulverization, mixing, and granulation.

[0027] In this embodiment, the weight ratio of bifenazate and fenbutatin can be changed between 0.01-200:1, and the total weight composition of the two is still 40.3%, forming a new embodiment.

Embodiment 3

[0029]Weigh 30% bifenazate, 30% fenbutyltin, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 4% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull open powder BX (sodium dibutyl naphthalene sulfonate), 5% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, diatomaceous earth add to 100% parts by weight . 60% bifenazate·fenbutatin water-dispersible granules are prepared by the conventional method for preparing water-dispersible granules from the above raw materials, ie, mixing, ultrafine airflow pulverization, mixing and granulation.

[0030] In this embodiment, the weight ratio of bifenazate and fenbutatin can be changed between 0.01-200:1, and the total weight composition of the two is still 60%, forming a new embodiment.

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Abstract

The invention discloses a bifenazate-containing agricultural insecticidal composition and application thereof. The composition contains bifenazate as a first active component and contains fenbutatin oxide or clofentezine as a second active component, wherein the weight ratio of the first active component to the second active component is 0.01-200:1, preferably 0.2-20:1. The composition has the advantages that the composition is reasonable in components, good in insecticidal effects and low in drug-using cost; in addition, the activity and insecticidal effects of the composition have remarkable synergy instead of simply adding the activity of each component, and the composition is quick in response and long in lasting effects, slows down resistance generation, is good in safety to crops, and meets the requirement of pesticide preparations on safety. The prevention and control effect of the composition on citrus red mites, European red mites and mites on cotton crops reaches 86.65 to 96.38 percent.

Description

technical field [0001] The invention relates to an insecticidal composition, in particular to an insecticidal composition comprising bifenazine as the first active ingredient, fenbutatin or tetrafenazine as the second active ingredient and its application, which belongs to compound Pesticide technology field. Background technique [0002] Bifenazate English common name bifenazate, chemical formula C 17 h 20 N 2 o 3 . Bifenazate is a gamma-aminobutyric acid (GABA) antagonist, which mainly controls active spider mites. It has good quick effect and is effective against larvae, adults and nymphs. Spider mites are ovicidal. Laboratory studies have shown that bifenazate has no negative effects on beneficial predatory mites; toxicity to mammals is low (LD 50 5000mg / kg); short duration in the environment (DT50<1d). Currently, bifenazine sold in the market is a suspension concentrate of 480 grams per liter, which is mainly used to prevent and control red spider mite in app...

Claims

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Application Information

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IPC IPC(8): A01N55/04A01N47/24A01N43/713A01P7/00A01P7/02
Inventor 郑敬敏何爱华冯建雄时晓磊张武张崇斌孙瑞赵海军梅红玉乌小瑜苏蓓段莹
Owner SHAANXI SUNGER ROAD BIO SCI
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