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Compound composition for biologically preventing and treating crop wilt and application thereof

A compound composition and composition technology, applied in the field of crop disease prevention and control, can solve the problems of high toxicity of pesticides, environmental pollution, environmental pollution, etc., and achieve the effects of good control stability, reduced economic losses, and improved control effects

Inactive Publication Date: 2018-02-02
广州万吉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The long-term and frequent use of chemical agents will lead to the emergence of drug resistance of pathogenic bacteria, leading to unsatisfactory control effects, and excessive pesticide residues in agricultural products and rampant harmful organisms, and also cause serious social problems such as environmental pollution and ecological imbalance.
Conventional chemical methods can control fusarium wilt to a certain extent, but their high cost, poor effect, high pesticide toxicity, high residue, and environmental pollution limit their widespread promotion.
Biological control has low cost, no environmental pollution, and has broad prospects. At present, the biological control bacteria for crop wilt are mainly bacteria, which have poor control stability. Practical applications are limited

Method used

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  • Compound composition for biologically preventing and treating crop wilt and application thereof
  • Compound composition for biologically preventing and treating crop wilt and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1 Trichoderma viride and Bacillus subtilis are combined to control effect of Fusarium wilt

[0032] According to the quality, mix 1 part of Trichoderma viride with 100 parts of organic fertilizer to make composition A agent; mix 1 part of Bacillus subtilis with 100 parts of organic fertilizer to make composition B agent; with 0.5 part of Trichoderma viride, 0.5 part Bacillus subtilis is mixed with 100 parts of organic fertilizer to make composition C agent.

[0033] Select four banana areas with consistent soil properties, uniform and medium fertility, and severe Fusarium wilt, and group them into experimental fields A, B, C and the control group, and treat the bananas planted in the four fields as follows:

[0034] Experimental field A (1 mu): use composition A once at the seedling stage and the vegetative stage, 4 kg per banana at the seedling stage, and 8 kg per banana at the vegetative stage.

[0035] Experimental field B (1 mu): Use composition B once at t...

Embodiment 2

[0044] Example 2 Trichoderma viridans and Bacillus subtilis formulations in different proportions are effective for Fusarium wilt

[0045] Mix 0.7 part of Trichoderma viride, 0.3 part of Bacillus subtilis with 100 parts of organic fertilizer to make composition A agent, mix 0.3 part of Trichoderma viride, 0.7 part of Bacillus subtilis with 100 parts of organic fertilizer to make composition B Agent, with 0.5 part of Trichoderma viridans, 0.5 part of Bacillus subtilis is mixed with 100 parts of organic fertilizer to make composition C agent,

[0046] Select four banana areas with consistent soil properties, uniform and medium fertility, and heavy incidence of Fusarium wilt, and divide them into groups.

[0047] Be test field A, B, C and control group, and the bananas planted in four plots are processed as follows:

[0048] Experimental field A (1 mu): use composition A once at the seedling stage and the vegetative stage, 4 kg per banana at the seedling stage, and 8 kg per bana...

Embodiment 3

[0058] Example 3 Trichoderma viride and Bacillus subtilis cooperate with different proportions of organic fertilizers to use effect on Fusarium wilt

[0059] The core of curing yellow leaf wilt lies in functional bacteria, but the function of functional bacteria is also inseparable from organic fertilizers, and the two complement each other. Microorganisms in nature are "everywhere and all the time". There are a large number of microorganisms in the air, rivers, ground, deep sea thousands of meters deep, animal and plant organisms, which can be divided into beneficial microorganisms and harmful microorganisms. "Active probiotics", that is, beneficial microorganisms, are not only the nemesis of various diseases of plants, but also the nemesis of various pollutions. In addition to natural conditions such as air and water, its survival must also rely on certain organic matter as a source of nutrition for its survival and reproduction. Solid organic fertilizers and water-soluble f...

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Abstract

The invention belongs to the field of prevention and treatment of crop disease damage and particularly relates to a compound composition for biologically preventing and treating crop wilt and application thereof. The compound composition for biologically preventing and treating crop wilt comprises an organic fertilizer and strain powder having a weight ratio of 100:1 to 20:1. The compound composition is applicable to various crops with high wilt attack frequency in agricultural planting, such as common banana and dwarf banana. The compound composition for biologically preventing and treating crop wilt and application thereof have the advantages that the cost is low, the prevention and treatment stability is good, disease resistance rarely occurs, the advantages of biological prevention andtreatment are made full use, prevention and treatment effect is improved, daily management for crop cultivation is improved, and economic loss and prevention and treatment cost are reduced.

Description

technical field [0001] The invention belongs to the field of crop disease prevention and control, and in particular relates to a compound composition for biological control of crop wilt and its application. Background technique [0002] Banana Fusarium Wilt is commonly known as yellow leaf disease, Panama Fusarium wilt, and early susceptible plants grow dwarfed or even die. The growth of growing plants is weak after being infected, and they cannot bear fruit. Even if they bear fruit, they cannot grow. Infected plants are also susceptible to the infection of bunchy top virus. After the banana is infected with the disease, it spreads quickly, and the diseased plants increase exponentially. Banana wilt is a devastating disease of bananas. It is an infectious disease caused by fungal infection. The pathogen is Fusarium wilt fungus, a soil-dwelling fungus that can survive in the soil for several years or even 20 years. [0003] According to our research on yellow leaf wilt for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02C05G3/04A01N63/04A01N63/00A01P3/00A01P5/00A01P7/00C05G3/60C05G3/80
CPCA01N63/00A01N63/30C05F11/00C05G3/00C05G3/60C05G3/80C05F11/02C05F11/08
Inventor 陈德安李锦清
Owner 广州万吉生物科技有限公司
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