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Application of Bacillus subtilis preparation in the control of Cruciferous clubroot

A technology of Bacillus subtilis and Brassicaceae, applied in application, fungicides, chemicals for biological control, etc., can solve problems such as difficult to achieve effects

Active Publication Date: 2022-07-01
云南星耀生物制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, with the development of the times and the improvement of the resistance of Plasmodium subtilis, it is difficult to achieve good results for the control of cruciferous clubroot by Bacillus subtilis alone.

Method used

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  • Application of Bacillus subtilis preparation in the control of Cruciferous clubroot
  • Application of Bacillus subtilis preparation in the control of Cruciferous clubroot
  • Application of Bacillus subtilis preparation in the control of Cruciferous clubroot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Take Bacillus subtilis XF-1 dry powder (content 20×10 8 cfu / g) 10 parts by weight and 2 parts by weight of ginkgo polysaccharide powder are mixed evenly, and stored at room temperature in a vacuum-sealed bag. After 3 months, the number of Bacillus subtilis was detected, which was 16 × 10 8 cfu / g, mortality was 4%. Bacillus subtilis XF-1 dry powder alone had a mortality rate of 12% after 3 months of storage.

[0024]This shows that Ginkgo polysaccharide has no significant effect on the activity of Bacillus subtilis, and also has a certain protective effect.

Embodiment 2

[0026] Take Bacillus subtilis XF-1 dry powder (content 20×10 8 cfu / g) 10 parts by weight and 3 parts by weight of ginkgo polysaccharide powder are mixed evenly, and stored at room temperature in a vacuum-sealed bag. After 3 months, the number of Bacillus subtilis was detected, which was 14 × 10 8 cfu / g, the mortality rate was 9%, which indicated that excessive ginkgo polysaccharide had a certain influence on the activity of Bacillus subtilis, but still had a certain protective effect.

Embodiment 3

[0028] Take Bacillus subtilis XF-1 dry powder (content 20×10 8 cfu / g) 10 parts by weight and 1 part by weight of ginkgo polysaccharide powder are mixed evenly, and stored at room temperature in a vacuum-sealed bag. After 3 months, the number of Bacillus subtilis was detected, which was 16 × 10 8 cfu / g, the mortality rate was 12%, which indicated that the amount of ginkgo polysaccharide had a certain influence on the protective effect of Bacillus subtilis.

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Abstract

The present invention relates to the application of a Bacillus subtilis preparation in the prevention and treatment of cruciferous clubroot in one aspect of the present invention, wherein the Bacillus subtilis preparation contains Bacillus subtilis and Ginkgo biloba polysaccharide. The present invention proposes for the first time that the mixed application of Ginkgo polysaccharide and Bacillus subtilis preparation not only does not produce side effects on the Bacillus subtilis preparation itself, but also effectively improves the control effect on cruciferous clubroot and increases production and income.

Description

technical field [0001] The invention relates to the technical field of biological control, in particular to the application of a Bacillus subtilis preparation in the prevention and treatment of cruciferous clubroot. Background technique [0002] Clubroot disease of cruciferous crops is a worldwide disease caused by Plasmodiophorabrassicae Woron. The disease mainly damages the roots of plants, and is usually susceptible to the disease at both the seedling and adult stages, and is mainly susceptible at the seedling stage. Usually the seedling stage is damaged, and in severe cases, the seedlings die, the yield is seriously reduced, or even no harvest; once the field is polluted by clubroot, the soil will carry the bacteria for a long time, which seriously threatens the sustainable production of cruciferous crops. In recent years, the incidence of clubroot (P.brassicae) has become more and more serious worldwide, especially in Asia, Northern Europe, Australia, North America and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/22A01N43/16A01N25/12A01P3/00
CPCA01N63/22A01N43/16A01N25/12
Inventor 仇俊涛
Owner 云南星耀生物制品有限公司