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Novel anti-flowering-cabbage-downy-mildew biofertilizer and preparation method thereof

A technology for biological fertilizer and downy mildew, which is applied in the field of new biological fertilizers resistant to downy mildew of cabbage and its preparation field, can solve problems such as unsuitable varieties of cabbage, achieve the prevention of downy mildew of cabbage, reduce soil degradation, development-promoting effect

Inactive Publication Date: 2016-12-21
INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are researches in the prior art for the prevention and treatment of cucumber downy mildew, etc., it is not applicable to cabbage varieties.

Method used

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  • Novel anti-flowering-cabbage-downy-mildew biofertilizer and preparation method thereof
  • Novel anti-flowering-cabbage-downy-mildew biofertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Inoculate Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus into the fermentation medium respectively, at 28°C, 150r / min, the fermentation time of Bacillus subtilis and Bacillus amyloliquefaciens is 2 days, and the fermentation time of Bacillus amyloliquefaciens is 2 days. , photosynthetic bacteria and Streptomyces luteus were fermented for 3 days, and then Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus were mixed according to the effective number ratio of 3.5:3.0:0.5:0.8:1.2 , to prepare a composite microbial agent, wherein the total number of effective viable bacteria in the fermentation broth is about 5.6×109 CFU / ml.

[0039] Mix 250kg of light bamboo leaves, 650kg of chicken manure, 50kg of biochar, and 50kg of bamboo chips. Tank fermentation is adopted, when the temperature reaches 60°C, the compost is turned over, and the high temperature period (a...

Embodiment 2

[0042] Inoculate Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus into the fermentation medium respectively, at 30°C, 180r / min, the fermentation time of Bacillus subtilis and Bacillus amyloliquefaciens is 2 days, and the fermentation time of Bacillus amyloliquefaciens is 2 days. , photosynthetic bacteria and Streptomyces flavinus were fermented for 3 days, and then Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus were fermented according to the effective number ratio of 5.0: 3.5: 0.8: 1.0: 1.5 mixed to prepare a composite microbial agent, wherein the total effective number of viable bacteria in the fermentation broth was 1.7×10 10 CFU / ml.

[0043] Mix 400 kg of light bamboo leaves, 550 kg of chicken manure, 30 kg of biochar, and 20 kg of bamboo chips. Tank fermentation is adopted, when the temperature reaches 60°C, the compost is turned over, and the high tempe...

Embodiment 3

[0045] Inoculate Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus into the fermentation medium respectively, at 29°C, 160r / min, the fermentation time of Bacillus subtilis and Bacillus amyloliquefaciens is 2 days, and the fermentation time of Paracoccus , photosynthetic bacteria and Streptomyces flavinus were fermented for 3 days, and then Bacillus subtilis, Bacillus amyloliquefaciens, Paracoccus, photosynthetic bacteria and Streptomyces luteus were 4.0: 3.2: 0.6: 0.9: 1.3 according to the ratio of effective viable bacteria mixed to prepare a composite microbial agent, wherein the effective number of viable bacteria in the final fermentation broth was 8.3×10 9 CFU / ml.

[0046] Mix 350 kg of light bamboo leaves, 600 kg of chicken manure, 10 kg of biochar, and 40 kg of bamboo chips. Tank fermentation is adopted, when the temperature reaches 60°C, the compost is turned over, and the high temperature period (above 50°C) is...

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Abstract

The invention discloses a novel anti-flowering-cabbage-downy-mildew biofertilizer and a preparation method thereof. The biofertilizer comprises the following components in parts by mass: 20-50 parts of lophatherum gracile, 50-70 parts of chicken manure, 1-10 parts of biochar and 1-10 parts of bamboo cuttings. The novel biofertilizer is specially developed for the flowering cabbage downy mildew; and the lophatherum gracile and bamboo cuttings used as main components have favorable inhibiting actions on pathogenic fungi, and are beneficial to reducing the occurrence of the flowering cabbage downy mildew. According to the novel anti-flowering-cabbage-downy-mildew biofertilizer, the added composite microbial inoculant has the effects of resisting diseases and promoting growth, and especially, all strains in the composite microbes have favorable resistance to flowering cabbage downy mildew, thereby effectively preventing the flowering cabbage downy mildew, and reducing the consumption of chemical pesticides. The fertilizer has high microbe content, can improve the microbial population structure in soil, and further reduces the occurrence of other diseases and pests.

Description

technical field [0001] The invention belongs to the field of fertilizers, in particular to a novel biological fertilizer resistant to cabbage downy mildew and a preparation method thereof. Background technique [0002] Caixin is a specialty vegetable in Guangdong, China. It is tender in quality, delicious in flavor, rich in nutrition, and can be cultivated throughout the year. Therefore, it is a popular vegetable in Guangdong, Guangxi and other places. A small amount is exported to Europe and the United States, and is regarded as a valuable vegetable by consumers. However, in recent years, modern intensive vegetable bases rely on the development of irrigation, extensive use of chemical fertilizers and pesticides, development of mechanization, high-yield varieties, monoculture, and increased land use intensity, etc., which have increasingly disturbed the agricultural ecosystem, resulting in soil acidification and nutrient loss. Deficiency, salinization, destruction of soil b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05F17/00C12N1/20C12R1/125C12R1/07C12R1/01C12R1/465C05G3/80
CPCC05D9/00C05F17/50C05G3/00C05G3/80C12N1/20C05F3/00C05F11/00C05F11/08Y02W30/40
Inventor 顾文杰徐培智卢钰升解开治伍祖文李文英刘奋安李夏孙丽丽
Owner INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI
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