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Method for preventing rice damping-off at paddy rice seedling stage

A technology for blight and seedlings, applied in the field of rice blight prevention at the seedling stage, to achieve the effect of reducing the amount of pesticide application, reducing the cost of pesticides, and increasing the efficiency significantly

Inactive Publication Date: 2016-09-07
梁佳韬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no relevant report on the research on mixing allylbenzothiazole and mefenaxyl

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: 5.5% allylbenzothiazole · metalaxyl granules (active ingredient ratio 10:1)

[0017] Formula: weigh allyl benzothiazole 5%, refined metalaxyl 0.5%, naphthalenesulfonate formaldehyde condensate 4%, sodium lauryl sulfate 3%, polyvinyl alcohol 3.5%, and bentonite to make up to 100% %.

Embodiment 2

[0018] Example 2: 8.5% allylbenzothiazole · metalaxyl granules (active ingredient ratio 15:2)

[0019] Formula: Weigh allyl benzothiazole 7.5%, fine metalaxyl 1%, naphthalenesulfonate formaldehyde condensate 3%, sodium lauryl sulfate 3.5%, polyvinyl alcohol 3%, attapulgite 12% by weight %, kaolin makes up to 100%.

Embodiment 3

[0020] Example 3: 12.5% ​​allylbenzothiazole · metalaxyl granule (active ingredient ratio 20:5)

[0021] Formula: weigh allyl benzothiazole 10%, metalaxyl 2.5%, sodium lauryl sulfate 2.5%, carboxymethyl cellulose 3.5%, diatomite 15%, and bentonite to make up to 100% by weight.

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PUM

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Abstract

The invention relates to a method for preventing rice damping-off at a paddy rice seedling stage. According to the invention, prevention is carried out with pesticide granules containing probenazole and metalaxyl-M with a weight ratio of 10-20:1-5, and preferably 15:2. The application amount is 0.1kg / m<2>. The weight percentage of probenazole in the pesticide granules is 5-10%, and the weight percentage of metalaxyl-M in the pesticide granules is 0.5-3.0%. The pesticide granules provided by the invention are used in controlling rice damping-off during a dry rice-nursery stage. The formula of the granules has a significant synergistic effect and a good systemic effect. With the granules, disease can be effectively controlled, and time-saving, labor-saving and effort-saving effects are provided.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a method for preventing rice blight at the rice seedling stage. Background technique [0002] Allyl benzothiazole, common name in English: probenazole, is an immune-inducing fungicide developed by Japan Meiji Seika Pharmaceutical Co., Ltd. It achieves the disease prevention effect by stimulating the immune (resistance) response of the plant itself to the disease. It is absorbed through the roots of plants, and penetrates and transmits to all parts of plants relatively quickly. Allylbenthiazole treatment of rice can promote root absorption, and quickly penetrate and transmit to all parts of the plant, protecting crops from the infection of blast fungus and fungus R. solani. . [0003] Metalaxyl, the common name in English: metalaxyl-M, is a high-efficiency systemic fungicide with protective and therapeutic effects, high efficacy and low residue, and is effective against downy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N37/46A01N25/12A01P3/00A01G13/00
CPCA01N43/80A01G13/00A01N25/12A01N37/46
Inventor 梁佳韬吴宝国
Owner 梁佳韬
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