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Rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof

A technology of rice seeds and prothioconazole, applied in the directions of application, pesticides, biocides, etc., can solve the problems of effective prevention and control of rice bakanae disease and the serious current situation of drug resistance control, and achieve increased bactericidal effect and insecticidal effect. The effect of obvious effect, great promotion and application value, and delaying drug resistance

Active Publication Date: 2020-10-13
ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the effective control of rice bakanae disease and the control of drug resistance are grim

Method used

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  • Rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof
  • Rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof
  • Rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Biological Assay Example 1: Indoor Activity Assay Test.

[0032] Antibacterial activity of prothioconazole, imazalil and cartap single agent and three-component compound against Fusarium fujikura:

[0033](1) Tested strain: Fusarium fujikuroi (Fusarium fujikuroi), which was isolated, identified, and preserved by the Plant Protection Laboratory of Zhenjiang Institute of Agricultural Sciences in the hilly area of ​​Jiangsu Province. Other strains of Fusarium fujikuroi can also be used. Strains were stored on potato sucrose agar (PSA) slant (4°C).

[0034] (2) Test agents: 95.2% (W / W) prothioconazole technical, Shandong Hailier Chemical Co., Ltd.; 97% (W / W) imazalil technical, Yifan Biotechnology Group Co., Ltd.; 98% (W / W) cartap technical, Lianyungang Liben Crop Technology Co., Ltd.

[0035] (3) Test method: With reference to "Pesticide Bioassay Test Guidelines NY / T1156.2-2006", the mycelium growth rate method was used to test the single agent of the test agent and the ...

preparation Embodiment 1

[0043] Preparation Example 1: Preparation of 17% prothioconazole imazalil cartap WP.

[0044] In terms of mass percentage, the distribution ratio of each component of the wettable powder is: 1% prothioconazole, 1% imazalil, 15% cartap, 5% sodium lignosulfonate (dispersant), 5% pull-off powder (wetting agent), 0.3% penetrant T (penetrant), 0.2% ethylene glycol (stabilizer), 0.5% calcium carbonate (stabilizer), kaolin (filler) make up 100%.

[0045] Preparation:

[0046] Prepare raw materials according to the above-mentioned ratio and process and prepare 17% prothioconazole·imazalil·cartap WP through conventional wettable powder preparation method.

preparation Embodiment 2

[0047] Preparation Example 2: Preparation of 34% prothioconazole imazalil cartap WP.

[0048] In terms of mass percentage, the distribution ratio of each component of the wettable powder is: 30% prothioconazole, 2% imazalil, 2% cartap, 6% sodium lignosulfonate (dispersant), 6% pull-off powder (wetting agent), 0.5% penetrant T (penetrant), 0.3% ethylene glycol (stabilizer), 0.5% calcium carbonate (stabilizer), kaolin (filler) make up 100%.

[0049] Preparation:

[0050] Prepare raw materials according to the above-mentioned ratio and process and prepare 34% prothioconazole·imazalil·cartap WP through conventional wettable powder preparation method.

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PUM

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Abstract

The invention discloses a rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof. The rice seed treating agent comprises effective components including prothioconazole, imazalil and cartap, wherein a mass ratio of prothioconazole with bactericidal activity to imazalil with bactericidal activity to cartap with insecticidal activity is (1-15): (1-15): (1-15). The invention also discloses application of the seed treating agent in prevention and treatment of rice bakanae disease or / and rice seedling rot or / and rice aphelenchoides besseyi disease. The seedtreating agent disclosed by the invention can be used for effectively treating the drug resistance of Fusarium fujikuroi to bactericides such as carbendazim, prochloraz and JS399-19, and meanwhile, the potential drug resistance risk of Fusarium fujikuroi to prothioconazole and imazalil is reduced. After prothioconazole, imazalil and cartap are combined, a brand-new new product is developed; and the obtained rice seed treating agent has remarkable the effect on preventing and treating rice bakanae disease, rice seedling rot and rice aphelenchoides besseyi disease, is obvious in synergistic effect, can reduce the use amount of pesticides, and is environmentally friendly and safe.

Description

technical field [0001] The invention relates to the prevention and treatment of rice seed-transmitted diseases, in particular to a rice seed treatment agent containing prothioconazole, imazalil and cartap and application thereof. Background technique [0002] The rice bakanae disease mainly caused by Fusarium fujikuroi (Gibberella fujikuroi) is one of the most serious and ancient seed-borne diseases that harm rice. Since the disease was first reported in Japan in 1828, it has occurred in almost all rice growing areas in the world, resulting in a yield loss of about 3.0% to 95.4%. In addition, toxic metabolites such as fumonisins produced by Fusarium Fujikura also pose serious food safety problems. For a long time, the control of rice bakanae disease has mainly relied on chemical agents for seed treatment. As of May 2020, there are 158 domestic preparations (including single agents and compound agents) registered for the control of rice bakanae disease, of which more than 8...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/50A01N47/12A01P3/00A01P1/00A01P7/04
CPCA01N43/50A01N43/653A01N47/12
Inventor 陈宏州庄义庆姚克兵杨红福吴祥缪康徐超张国于居龙
Owner ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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