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Pesticide composition containing sophora alopecuroide extract and thiamethoxam

A pesticide composition, the technology of Sophora fragrans, applied in the directions of insecticides, animal repellents, plant growth regulators, etc., can solve the problems such as the combination of thiamethoxam and Sophora fragrans extracts that have not been reported, and achieve delaying the resistance to diseases and insect pests. Medicinal properties, reducing the cost of use, and reducing the effect of pollution

Inactive Publication Date: 2019-06-11
惠州市梦芭迪工业产品设计中心(普通合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Combination of Thiamethoxam and Sophora Sophora Extract has not been reported

Method used

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  • Pesticide composition containing sophora alopecuroide extract and thiamethoxam
  • Pesticide composition containing sophora alopecuroide extract and thiamethoxam
  • Pesticide composition containing sophora alopecuroide extract and thiamethoxam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The preparation of embodiment one Sophora Sophorae extract

[0041] Take the branches and leaves of Sophora sophorae (dry), crush them and sieve (40 mesh), add 2 times the mass of methanol, seal and heat to 90 degrees Celsius, keep for 2 hours, cool to 20 degrees Celsius, filter (100 mesh), and concentrate the obtained filtrate under reduced pressure The methanol extract of the branches and leaves of Sophora sophora can be obtained by adding one-fifth of the mass of the initial methanol.

Embodiment 2

[0042] Embodiment 2 Bioassay embodiment

[0043] 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, 80<CTC<120 is synergistic antagonism, and CTC≥120 is synergistic effect.

[0044] Actual Toxicity Index (ATI) = (LC of standard drug 50 / LC of test agent 50 )×100;

[0045] Theoretical toxicity index TTI = toxicity index of agent A × percentage content of agent A in the mixture + toxicity index of agent B × percentage content of agent B in the mixture;

[0046] Co-toxicity coefficient (CTC) = [mixture measured toxicity index (ATI) / mixture theoretical toxicity index (TTI)] × 100;

[0047]

[0048]

[0049] Table 1: Determination of the indoor activity of thiamethoxam and Sophora foliage (dry) methanol extracts on the cherry leaf curler (systemic activity test, continuous immersion method, investigation after 4 days of drug use, test methods refe...

Embodiment 3

[0055] Embodiment three preparation embodiment

[0056] 1. 25% thiamethoxam · Sophora sophora branches and leaves (dry) methanol extract aqueous suspension

[0057] Thiamethoxam 20%, Sophora japonica (dried) methanol extract 5%, fatty alcohol polyoxyethylene ether 10%, sodium alkyl polyoxyethylene ether sulfonate 5%, sodium lignosulfonate 3%, xanthan gum 0.2%, diethylene glycol 4%, and deionized water to make up 100%; the above-mentioned active ingredients, wetting agent, dispersant, antifreeze agent, thickener and defoamer are dispersed by high-speed shearing, and sanded in a sand mill. The highly dispersed and stable suspension system formed in the water medium can be used to prepare 25% methanol extract suspension of thiamethoxam·Sophora sophora branches and leaves (dry).

[0058] 2. 25% thiamethoxam · Sophora sophora branches and leaves (dry) methanol extract aqueous emulsion

[0059]20% thiamethoxam, 5% methanol extract of Sophora japonica branches and leaves (dry), 10%...

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Abstract

The invention discloses a pesticide composition containing a sophora alopecuroide extract and thiamethoxam. The pesticide composition contains active components of the thiamethoxam and the sophora alopecuroide extract, wherein a mass part ratio of the thiamethoxam to the sophora alopecuroide extract is (30 to 1) to (1 to 30), a preferable ratio is (20 to 1) to (1 to 20), in the ratio range, the thiamethoxam and the sophora alopecuroide extract have a synergistic effect on indoor activity of tuberocephalus liaoningensis and cherry myzus cerasi, the thiamethoxam and the sophora alopecuroide extract can be processed into a pesticide production, a sum of the mass of the thiamethoxam and the sophora alopecuroide extract accounts for 0.1%-60% of the percentage content of the total weight of thepesticide production, the rest is pesticide adjuvants, by means of the pesticide composition containing the sophora alopecuroide extract and the thiamethoxam, the pesticide use amount is reduced, theuse cost is reduced, and pollution to the environment is reduced. The pesticide composition containing the sophora alopecuroide extract and the thiamethoxam can be used for preventing the tuberocephalus liaoningensis and the cherry myzus cerasi, and can also be used for preventing other aphididae pests.

Description

technical field [0001] The invention belongs to the field of a synergistic pesticide composition combining botanical pesticides and chemical pesticides, and specifically provides a synergistic pesticide composition containing active ingredients thiamethoxam and Sophora sophora extract. Background technique [0002] Thiamethoxam is a neonicotinoid insecticide developed by Novartis in 1991. Its mechanism of action is similar to that of imidacloprid. It can selectively inhibit the nicotinic acid acetylcholinesterase receptor in the central nervous system of insects, thereby blocking insect The normal conduction of the central nervous system causes the death of pests when they appear paralyzed. [0003] Thiamethoxam not only has contact killing, stomach poisoning, and systemic activity, but also has higher activity, better safety, wider insecticidal spectrum, fast action speed, and long-lasting effect. Better varieties of organophosphorus, carbamate, organochlorine insecticides...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01N51/00A01P7/04
Inventor 不公告发明人
Owner 惠州市梦芭迪工业产品设计中心(普通合伙)