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Seed treatment composition containing phenamacril, metalaxyl-m and spirotetramat

A technology of metalaxyl and cyanobactin, which is applied in the directions of insecticides, fungicides, biocides, etc., can solve the problems of phytotoxicity incidents of seed chemicals, and achieves improvement of healthy growth, reduction of processing, and expansion of control spectrum. Effect

Inactive Publication Date: 2018-11-23
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Seed chemical treatment technology is strict, and it needs to undergo strict test results before it can be applied. There are many reports of phytotoxicity incidents caused by seed chemical treatment

Method used

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  • Seed treatment composition containing phenamacril, metalaxyl-m and spirotetramat
  • Seed treatment composition containing phenamacril, metalaxyl-m and spirotetramat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment one: Indoor toxicity test

[0038] The indoor toxicity test method refers to the Agricultural Industry Standard of the People's Republic of China, the Indoor Bioassay Test Guidelines for Pesticides, and the joint action test of mixing.

[0039] DPS statistical analysis software was used for statistical analysis, by calculating the LC of each drug 50 To evaluate the biological activity of each agent, and calculate the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method.

[0040] Measured toxicity index (ATI) = (standard drug LC 50 / Test agent LC 50 )×100

[0041] Theoretical toxicity index (TTI) = Toxicity index of agent A × percentage of A in the mixture + toxicity index of B agent × percentage of B in the mixture + toxicity index of agent C × percentage of C in the mixture content.

[0042] Co-toxicity coefficient (CTC) = [measured toxicity index (ATI) of mixture / theoretical toxicity index (TTI) of mixture]×100.

[0043]...

Embodiment 2

[0055] Embodiment two: preparation embodiment

[0056] (1) 6% cyprostrobin · 2% metalaxyl · 10% spirotetramat seed treatment suspension

[0057] Cyclostrobin 6%, metalaxyl 2%, spirotetramat 10%, polycarboxylate 3%, sodium butylnaphthalene sulfonate 5%, methanol 0.5%, magnesium aluminum silicate 0.8%, glycerin 0.5 %, gum arabic 2%, rose essence 2%, and deionized water carrier to make up to 100%; the active ingredients and additives are mixed, dispersed by high-speed shearing, sanded in a sand mill, and formed in an aqueous medium Highly dispersed and stable suspension system, 6% cyclostrobin, 2% metalaxyl, 10% spirotetramat seed treatment suspension.

[0058] This embodiment is used for rice seed treatment, 6% cyprostrobin 2% metalaxyl-10% spirotetramat seed treatment suspending agent dosage 50g ai / 100kg / seed, the rice blight control effect is 97.06 %, the control effect on rice bakanae disease is 95.73%, and the control effect on rice thrips is 98.60%; The control effect o...

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Abstract

The invention relates to a seed treatment composition containing phenamacril, metalaxyl-m and spirotetramat. The seed treatment composition is prepared from the effective components of phenamacril, metalaxyl-m and spirotetramat in a weight ratio of (1 to 20) to (1 to 20) to (1 to 40). The seed treatment composition provided by the invention can be applied to the treatment of plant seeds, can protect plant seeds from damage of germs and pests during sowing, and improves the seedling rate of the seeds.

Description

technical field [0001] The invention relates to the technical field of seed treatment, and is a ternary composition composed of active ingredients cyprostrobin, metalaxyl and spirotetramat, which protects plant seeds from being harmed by germs and insects and improves the seedling rate. Background technique [0002] In agricultural production, the quality of seeds directly affects the production of crops, and seeds are easily carried by seeds or infected by pathogenic bacteria in the soil and eaten by insects from sowing to seedling stage, causing seed rot, incomplete and other early-stage diseases and insect pests, which affect the quality of seeds. Germination, growth, reduce the rate of sowing seedlings. For example, rice seeds infected by Fusarium oxysporum cause root disease, and rice thrips eat the seedlings until they are deficient in nutrients, resulting in lack of seedlings and ridges in rice, which seriously affects the yield. [0003] Cyclostrobin, a 2-cyanoacryl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/06A01N37/46A01N37/44A01N25/00A01P3/00A01P1/00A01P7/04
CPCA01N47/06A01N25/00A01N37/44A01N37/46
Inventor 陈佛祥王礼文朱刚张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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