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Pesticide composition containing fluazaindolizine

A technology of triflumidamide and pesticide composition, which is applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of plundering host plant nutrition, restricting agricultural economic development, and yield loss, and achieves The effect of reducing the number of medications, reducing adverse effects, and prolonging the service life

Inactive Publication Date: 2016-08-31
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Plant parasitic nematodes are a class of pathogenic microorganisms that are extremely harmful. They have a wide range of distribution, a wide variety, and strong environmental adaptability. They can parasitize in the roots, stems, leaves, seeds, sprouts, and fruits of plants. Cause mechanical damage to the host plant, and plunder the nutrition of the host plant, especially its esophageal gland secretion will cause a series of pathological changes in the host plant, and will also infect the host plant together with other pathogenic microorganisms, causing compound diseases and resulting in yield loss
Globally, plant parasitic nematodes cause agricultural losses of more than 100 billion U.S. dollars each year, seriously restricting the development of agricultural economy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment one: Indoor toxicity assay

[0018] According to Sun Yunpei's method, the synergistic effect of drug mixture is evaluated according to the co-toxicity coefficient (CTC), that is, CTC≤80 is synergistic antagonism, 8050 / EC of test agent 50 ) × 100; Theoretical toxicity index TTI = the toxicity index of A agent × the percentage content of A agent in the mixture + the toxicity index of B agent × the percentage content of B agent in the mixture; co-toxicity coefficient (CTC) =[Actual Toxicity Index (ATI) of Mixture / Theoretical Toxicity Index (TTI) of Mixture]×100.

[0019] 1. Indoor toxicity determination of abamectin B2 triflumid against root-knot nematode (Meloidogyneincongnita Chitwood), the test object was collected from the galls of cucumber root-knot nematode disease in the field and separated by Berman funnel. Meloidogyne incongnita Chitwood.

[0020] Table 1. Laboratory toxicity test results of Abamectin B2 Triflumid against Meloidogyne incongnita Chit...

Embodiment 2

[0045] Embodiment 2: 12% Abamectin B2. Triflumidazolamide Microcapsule Suspension

[0046] The following materials are all in weight ratio: Weigh 2% Abamectin B2 original drug, 10% triflumidazolamide original drug, dissolve in 15% 600# solvent oil, add 1.5% Nongru 33# and 7% bismuth Phenylmethane diisocyanate, stir and mix evenly to form an oil phase; add 7% polyvinyl alcohol aqueous solution to an appropriate amount of water and stir to form a water phase; mix the oil phase and water phase, and use a high-shear emulsifier at 10,000 rpm Shear emulsification to form a uniform emulsion. Slowly and evenly add 1% glycerol into the emulsion with stirring at 500 rpm. After 80 minutes, the dropwise addition is completed. React in a water bath at 25°C and stir at 500 rpm for 4 hours, then heat up Cured at 60°C for 2 hours, then added 2% gum arabic aqueous solution, 1% polycarboxylate dispersant and 4% ethylene glycol, adjusted the pH to be neutral, and added 100% by weight with deioni...

Embodiment 3

[0048] Example 3: 22% Fluopyram B2 Triflumid Microcapsule Suspension

[0049] The following substances are all in weight ratio: Weigh 2% fluopyram original drug and 20% triflumidazolamide original drug, dissolve them in 15% 600# solvent oil, add 2% agricultural milk 33# and 5% diphenyl Methyl methane diisocyanate, stir and mix uniformly to form an oil phase; add 10% polyvinyl alcohol aqueous solution to an appropriate amount of water and stir to form a water phase; mix the oil phase and water phase, and use a high-shear emulsifier to shear at 10,000 rpm Cut and emulsify to form a uniform emulsion. Slowly and evenly drop 1% ethylenediamine into the emulsion under stirring at 500 rpm. After 40 minutes, the dropwise addition is completed. React for 4 hours in a water bath at 25°C and stir at 500 rpm, and heat up to Curing at 60°C for 2 hours, then add 1% aqueous gum arabic solution, 2% polycarboxylate dispersant, 1% alkylphenol polyoxyethylene ether and 4% ethylene glycol, adjust...

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Abstract

The invention relates to a pesticide composition containing fluazaindolizine. The pesticide composition comprises an effective component A, an effective component B and common assistants. The effective component A is selected from the fluazaindolizine, and the effective component B is selected from one of abamectin B2, fluopyram and fluensulfone; the weight ratio of the effective component A to the effective component B is 30:1-1:30. The pesticide composition has obvious synergistic interaction in nematodes, pesticide usage is reduced, using cost is low, and environmental pollution is reduced. The pesticide composition is applicable to control of crop nematodosis caused by pathogen nematode.

Description

technical field [0001] The invention relates to a pesticide composition for preventing and treating nematode diseases of crops. Background technique [0002] Avermectin B2 (avermectin B2) is the active ingredient produced by the fermentation of avermectin. Its main active ingredient is avermectin B2a, which has a particularly high killing effect on various nematodes and parasites such as root-knot nematodes and stem nematodes. Inactivation. [0003] Fluopyram (fluopyram), a new type of benzamide fungicide, inhibits mitochondrial respiration by hindering the electron transfer of succinate dehydrogenase in the respiratory chain, and can prevent and control crop diseases caused by fungal pathogens, including fruit , Vegetables, potatoes and flowers, more than 70 kinds of crops are used, at the same time, it also has a good control effect on nematodes on plants. [0004] Fluensulfone, a new type of non-fumigation nematicide, has a good control effect on nematodes in all growth...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/40A01N43/78A01P5/00
CPCA01N43/40A01N43/78A01N43/90A01N2300/00
Inventor 王礼文陈佛祥朱刚吴泽伟张志伟颜石雷
Owner GUANGDONG ZHONGXUN AGRI TECH
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