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
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[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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