Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects

The technology of a pesticide composition and metalaxyl, which is applied in the application, fungicide, biocide, etc., can solve the problem of no effect on the movement of zoospores and zoospores, so as to improve the control effect, reduce the cost of medication, and reduce the The effect of dosage

Inactive Publication Date: 2012-09-12
GUANGDONG ZHONGXUN AGRI TECH
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AI Technical Summary

Problems solved by technology

It has good activity against oomycete mycoses. Benthiopyram also has good fungicidal activity against Phytophthora, and it has a good inhibitory effect on the formation of sporangia and the germination of sporangia at low concentrations. but had no effect on zoospore release and zoospore movement

Method used

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  • Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Biological Assay Example 1: Indoor Pot Test on Cucumber Downy Mildew by Mixed Combination of Benthiopyram and Metalaxyl.

[0026] The test method was carried out according to Wu Wenjun's "Introduction to Experimental Techniques of Plant Chemical Protection" (1993). The original medicines of benthiazil and metalaxyl were respectively made into 20% suspension concentrates for laboratory tests. According to the experimental requirements, single doses and mixed preparations with corresponding mass ratios were made respectively. The specific data of the test results are shown in Table 1.

[0027] Table 1. Indoor pot test data of mixture of benthiazil and metalaxyl.

[0028]

[0029] Calculate the toxicity index of each agent and the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method. When CTC≤80, it is antagonism, 80﹤CTC﹤120 is additive, and CTC≥120 is synergistic.

[0030] Through the indoor colony inhibition growth test, it was found...

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Abstract

The invention relates to a benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects. The mass part ratio of benthiavalicarb-isopropyl to metalaxyl-M is 1:3. The pesticide composition provided by the invention is suitable for preventing and curing cucumber downy mildew, has very high control effects, and is a bactericide which is worthy to be popularized.

Description

technical field [0001] The pesticide composition involved in the invention belongs to the field of pesticide preparations, in particular it is a pesticide composition containing benthiazil and metalaxyl-methylaxyl and having a synergistic effect, which is used for preventing and treating cucumber downy mildew. Background technique [0002] Benthiazil, English common name benthiavalicarb-isopropyl, chemical name [[(6-fluorobenzothiazol-2-yl)-ethylcarbamoyl]-2-methylpropyl]carbamate isopropyl. It has good activity against oomycete mycoses. Benthiopyram also has good fungicidal activity against Phytophthora, and it has a good inhibitory effect on the formation of sporangia and the germination of sporangia at low concentrations. However, it has no effect on the release of zoospores and the movement of zoospores. Field trials with P. vitice, P. melon, and P. crucifer showed similar results. The biochemical mechanism of action of benthiazil is under investigation. Benthiopyram i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/12A01N37/46A01N25/04A01P3/00
Inventor 朱刚冷忠国陈佛祥王礼文蒋全鹏张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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