A kind of microbial bacterial agent and application for preventing and treating crop root diseases

A technology of microbial agent and crop root system, which is applied in the direction of chemicals, biocides, plant growth regulators, etc. for biological control, and can solve the problems of increasing the use of fungicides, environmental pollution residues, and drug resistance of pathogenic bacteria sexual issues

Active Publication Date: 2020-07-10
潍坊绿威特生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The control of crop root diseases often relies on chemical control. The use of fungicides has caused some pathogenic bacteria to develop drug resistance, and the use of fungicides has to be increased, which inevitably causes environmental pollution and pesticide residues in agricultural products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0026] The present invention does not specifically limit the preparation method of the microbial agent, and it is preferable to mix the individual components.

[0027] The present invention has no special restrictions on the method of using the microbial inocula. Root irrigation and flushing are preferably used, and the usage amount is preferably 10-30 g / mu, more preferably 15-25 g / mu.

[0028] The present invention also provides the application of the microbial inocula described in the above technical scheme in the prevention and control of crop root diseases. In the present invention, the crop root diseases preferably include pepper bacterial wilt, strawberry root rot, soybean root rot or cucumber fusarium wilt.

Embodiment 1

[0031] 1 part of Pseudomonas fluorescens, 2 parts of Bacillus flexus, 1 part of Bacillus subtilis, 1.5 parts of Lactobacillus plantarum, 4 parts of dibutylhydroxytoluene and 4 parts of malic acid are mixed uniformly to obtain a microbial inoculum. The effective number of viable bacteria in Pseudomonas fluorescens is 1×10 10 cfu / g, the effective number of viable bacteria in Bacillus flexus is 2×10 9 cfu / g, the effective number of viable bacteria in Bacillus subtilis is 1.5×10 10 cfu / g, the effective number of viable bacteria in Lactobacillus plantarum is 6×10 8 cfu / g.

Embodiment 2

[0033] 5 parts of Pseudomonas fluorescens, 6 parts of Bacillus flexus, 3 parts of Bacillus subtilis, 4.5 parts of Lactobacillus plantarum, 8 parts of tert-butyl hydroquinone and 9 parts of sorbic acid are mixed uniformly to obtain a microbial inoculum. The effective number of viable bacteria in Pseudomonas fluorescens is 1×10 10 cfu / g, the effective number of viable bacteria in Bacillus flexus is 2×10 9 cfu / g, the effective number of viable bacteria in Bacillus subtilis is 1.5×10 10 cfu / g, the effective number of viable bacteria in Lactobacillus plantarum is 6×10 8 cfu / g.

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Abstract

The invention provides a microbial agent for preventing and treating crop root system diseases and an application thereof, and belongs to the technical field of microbial preparations. The microbial agent comprises the following components in parts by weight: 1-5 parts of pseudomonas fluorescens, 2-6 parts of bacillus flexus, 1-3 parts of bacillus subtilis, 1.5-4.5 parts of lactobacillus plantarum, 4-8 parts of an antioxidant and 4-9 parts of a stabilizer. The microbial agent can prevent and treat the crop root system diseases, and can prevent and treat pepper bacterial wilt, strawberry root rot, soybean root rot and cucumber fusarium wilt. After the microbial agent provided by the invention is used, the crop root system diseases can be prevented and treated, and the prevention and treatment effects are 85% or above.

Description

Technical field [0001] The invention belongs to the technical field of microbial preparations, and particularly relates to a microbial inoculum for preventing and controlling crop root diseases and its application. Background technique [0002] Plant disease refers to the phenomenon that plants undergo a series of morphological, physiological and biochemical pathological changes under the influence of biological or non-biological factors, which hinder the normal growth and development process, thereby affecting human economic benefits. The process of plant dysfunction and tissue structure being damaged under the influence of pathogens or unsuitable environmental conditions. Plant diseases are the antagonistic symbiosis between host plants and pathogens, and their occurrence and prevalence are due to the interaction of host plants and pathogens. result. The occurrence of plant diseases often causes serious losses to the country’s economy and people’s lives. [0003] The control of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/27A01N63/22A01N63/20A01P3/00
CPCA01N63/00
Inventor 方永胜
Owner 潍坊绿威特生物工程有限公司
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