Sterilizing composition

A composition and technology for crop diseases, applied in the directions of fungicides, biocides, biocides, etc., can solve the problem of high drug cost, and achieve the effects of stable drug efficacy, improved drug efficacy, and cost reduction.

Inactive Publication Date: 2010-01-06
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Blasticamide has good crop safety and outstanding environmental compatibility, but the drug co

Method used

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  • Sterilizing composition
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  • Sterilizing composition

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Bioassay example 1: Pot experiment of rice blast fungus with blastamide and tricyclazole

[0019] Test object: rice blast fungus (collected from the field and separated and purified)

[0020] Test method: pot method. Select rice seedlings at the three-leaf stage with consistent growth potential, 2 seedlings per pot, and 5 pots for each treatment. Cultivate the rice blast fungus on tomato juice oat agar medium, wash the spores with sterile water after sporulation, filter with double gauze, and prepare 1×10 5 A spore suspension of 1 spore / mL was sprayed and inoculated evenly on the tested rice seedlings, and then covered with a black plastic bag for 24 hours after inoculation. After 24 hours of inoculation, the agent was treated with 5 concentration gradients for each agent, and sprayed with a Potter spray tower at a pressure of 50 PSI, 5 mL per treatment. After spraying, the rice seedlings were cultured at about 25°C and relative humidity ≥90%. After 7 days, the disease sta...

Example Embodiment

[0036] Example 1: 33% blastamide·tricyclazole wettable powder

[0037] Blastamide 30%, tricyclazole 3%, sodium lauryl sulfonate 2%, sodium lignin sulfonate 3%, NNO 5%, silica 10%, kaolin supplement to 100%.

Example Embodiment

[0038] Example 2: 48% blastamide·tricyclazole wettable powder

[0039] Blastamide 40%, tricyclazole 8%, NNO 5%, sodium lignosulfonate 5%, open powder 0.5%, diatomaceous earth to make up to 100%.

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Abstract

The invention relates to a sterilizing composition. Effective components of the sterilizing composition include fenoxanil and tricyclazole, and the balance of auxiliary components which is allowed to be used and is acceptable in pesticide, wherein the mass ratio of the fenoxanil to tricyclazole is 30:1-1:70, and a better ratio is 10:1-1:20. The sterilizing composition can be prepared into any preparation form used in agriculture by utilizing known methods, wherein better preparation forms include wettable powder, suspending agent, oil suspending agent and water dispersible granule. The mixing of the fenoxanil and the tricyclazole has obvious synergism and is mainly used for preventing and treating rice diseases.

Description

technical field [0001] The invention relates to a fungicidal composition, especially a fungicidal composition containing blastamide and tricyclazole, which is mainly used for preventing and treating rice blast. Background technique [0002] Rice blast is one of the important diseases of rice, which has a large area of ​​occurrence, high prevalence, and serious damage. It seriously affects the yield and quality of rice, and brings great losses to rice production. In recent years, with the long-term single use of traditional pesticides such as rice blastin and tricyclazole, the resistance of rice blast fungus has become more and more serious, which has become a major problem in chemical control. [0003] Fenoxanil is a new type of high-efficiency amide fungicide with good systemic and long-lasting effects. It prevents the infection of Magnaporthe grisea by inhibiting the penetration from appressoria, and contributes to the biosynthesis of melanin. Dehydrogenase inhibitors. B...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N39/04A01P3/00
Inventor 刘胜召张承来殷如龙张洪曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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