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Slow-release bacterium/insect-killing agent and application thereof

An insecticide and slow-release technology, which is applied in the field of slow-release bactericidal insecticides to achieve the effects of improving physiological activity, controlling disease occurrence, and being ecologically friendly.

Active Publication Date: 2017-03-22
中国中化股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that rice generally has a growth period of 100-120 days from transplanting to harvesting, while the duration of general medicines is usually only a few weeks.

Method used

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  • Slow-release bacterium/insect-killing agent and application thereof
  • Slow-release bacterium/insect-killing agent and application thereof
  • Slow-release bacterium/insect-killing agent and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1. 6% Allylisothiazole Hymexazol Sustained Release Granules

[0051] Sustained-release granules are composed of allylisothiazole 5%, hymexazol 1%, sodium lignosulfonate 6%, sodium naphthalenesulfonate formaldehyde condensate 11%, sodium lauryl sulfate 4%, polyvinyl alcohol aqueous solution 2%, kaolin topped up to 100%.

[0052] The preparation method is to firstly mix the active ingredients, additives and carrier components in the formula, then airflow pulverize to make the particle size reach 98% and pass through a 45μm sieve, then knead, granulate, dry, sieve, and finally coat with material coating.

Embodiment 2

[0053] Example 2. 11% Allylisothiazole Hymexazol Sustained Release Granules

[0054] See Example 1 for the preparation of sustained-release granules. The specific components are allylisothiazole 10%, hymexazol 1%, sodium lauryl sulfate 2%, sodium naphthalenesulfonate formaldehyde condensate 12%, lauryl Calcium sulfate 5%, bentonite 20%, hydroxyethyl cellulose aqueous solution 2%, kaolin supplemented to 100%.

Embodiment 3

[0055] Example 3. 15% Allylisothiazole Hymexazol Sustained Release Granules

[0056] See Example 1 for the preparation of sustained-release granules. The specific components are allylisothiazole 14.25%, hymexazol 0.75%, sodium lauryl sulfate 3%, sodium naphthalenesulfonate formaldehyde condensate 14%, lauryl Calcium sulfate 5%, soluble starch 2%, white carbon black 10%, 3% sodium alginate aqueous solution 3%, bentonite to make up to 100%.

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PUM

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Abstract

The invention belongs to the field of agricultural chemicals and relates to a slow-release bacterium (insect)-killing composition and an application thereof. The composition is composed of probenazole and hymexazol, or probenazole, hymexazol and bisamide insecticides in parts by weight, wherein a weight ratio of the probenazole to the active ingredient hymexazol is 1:50 to 50:1, and a weight part ratio of the sum of the weight of the probenazole and hymexazol to the bisamide insecticides is 20:1 to 200:1. The probenazole and hymexazol are mixed in the composition disclosed by the invention, so that a control range of the agents on crop diseases is widened. If the composition is used at the rice seedling raising stage, rice seedling blight, bacterial wilt and rice blast can be simultaneously controlled. In addition to the capacity of controlling the rice seedling blight, bacterial wilt and rice blast, the composition disclosed by the invention is also capable of controlling rice stem borers when used at the rice seedling raising stage.

Description

technical field [0001] The invention belongs to the field of agricultural chemicals, and relates to a slow-release fungicide and an application thereof. Background technique [0002] Rice is the largest grain crop in my country, with an annual planting area of ​​30 million hectares, accounting for 33% of the cultivated land area, and its output accounts for 45% of the country's total grain output. In the process of rice cultivation, the occurrence of diseases and insect pests seriously restricts the yield and quality of rice. Among them, rice blast is the most important disease in paddy field with wide occurrence area, rapid prevalence and large loss. The use of chemical agents is an important measure and an effective means to prevent and control rice diseases and insect pests. However, the current agents and control methods not only require many times of application and high cost of application, but also cause a large amount of agents to be sprayed into the water, causing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01P7/02A01P7/04A01P3/00A01N43/56A01N41/10A01N37/46
Inventor 胥维昌刘君丽司乃国张国生李秀颖王远王丽颖王斌
Owner 中国中化股份有限公司