Functional bactericide for preventing and treating root-knot nematode

A functional bacterial agent and root-knot nematode technology, applied in the agricultural field, can solve problems such as unfavorable survival and low abundance of bacillus, and achieve the effects of increasing disease prevention, improving crop yield and quality, and promoting plant growth

Active Publication Date: 2016-07-06
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent technology discloses that a microbial preparation composed of four bacteria consisting of Streptomyces avermitilis, Paecilomyces lilacinus, Verticillium chlamydoides and Bacillus

Method used

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  • Functional bactericide for preventing and treating root-knot nematode
  • Functional bactericide for preventing and treating root-knot nematode
  • Functional bactericide for preventing and treating root-knot nematode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 prepares solid microbial fertilizer by the functional bacterial agent of control root-knot nematode

[0023] The preparation method of solid microbial fertilizer is as follows:

[0024] (1) 85kg inorganic fertilizer raw materials (urea 20kg, dipotassium hydrogen phosphate 35kg, potassium sulfate 30kg), 0.02kg cytokinin and 1.5kg trace element salt (0.5kgEDTA-zinc, 0.25kg zinc sulfate, 0.5kg heptahydrate sulfuric acid Ferrous, 0.25kg manganese sulfate) are mixed homogeneously, add 3kg water, 70 ℃ granulate in disc granulator and obtain inorganic fertilizer granule;

[0025] (2) Add 0.75kg of pH regulator (sodium hydroxide or sulfuric acid) to 6kg of amino acid powder to adjust the pH value of the mixture to 6.0;

[0026] (3) 0.64kg of functional bacterial agents for controlling root-knot nematode (this functional bacterial agent is made up of the mass ratio of nitrogen-fixing bacteria bacterial agent: biocontrol bacterial bacterial agent: activated carbon=2...

Embodiment 2

[0028] Embodiment 2 prepares liquid microbial fertilizer by the functional bacterial agent of control root-knot nematode

[0029] The preparation steps of liquid microbial fertilizer are as follows:

[0030] Mix 37kg of inorganic fertilizers (10kg of ammonium nitrate, 10kg of potassium dihydrogen phosphate, and 17kg of potassium sulfate), add 20kg of water, stir and grind to form a solution; add 3kg of borax, 2kg of ferrous sulfate, and 2.5kg of EDTA-zinc to the mixed solution in sequence , 0.2kg sodium alginate; be heated to 75 ℃, add 25kg and contain the molasses fermentation waste liquid that organic matter percentage is 60%, react 1.5 hours; Reaction solution is down to normal temperature; Add pH regulator (sodium hydroxide or sulfuric acid), adjust The pH of the reaction solution is 6, slowly add 10kg of functional bacteria agent (the functional bacteria agent is composed of nitrogen-fixing bacteria agent:biocontrol bacteria agent:activated carbon=2:2:1 mass ratio, rhizob...

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Abstract

The invention provides a functional bactericide for preventing and treating root-knot nematode.The functional bactericide comprises an azotobacter bactericide, a biocontrol bacterium bactericide and a carrier, and the mass ratio of the azotobacter bactericide to the biocontrol bacterium bactericide to the carrier is (1-2.5):(1.5-5):1.The azotobacter bacterium bactericide contains nodule bacteria and azotobacter chroococcum, and the living bacterium count ratio of nodule bacteria to azotobacter chroococcum is (1-100):(1-200).The biocontrol bacterium bactericide contains paecilomyces lilacinus, verticillium chamydosporium, bacillus subtilis and bacillus cereus, and the living bacterium count ratio of paecilomyces lilacinus to verticillium chamydosporium to bacillus subtilis to bacillus cereus is (1-100):(1-100):(1-100):(1-100).The living bacteria count of the functional bactericide is larger than 0.2 billion/g.When applied to fertilizer, the functional bactericide can improve the disease preventing effect and the growth promoting effect of microbial fertilizer, guarantee nutrition supply of microbial fertilizer in the applying process, achieve the effects of preventing and treating root-knot nematode, forming healthy root nodules and promoting plant growth, increase the yield of crops and improve the quality of crops.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a functional bacterial agent for controlling root-knot nematodes and its application in fertilizers. Background technique [0002] Root-knot nematodes have caused a reduction in the yields of crops and commercial crops in my country, and have caused great losses to my country's agricultural economy. In the root-knot nematode-infected soil, root-knot nematodes, crops and rhizosphere microorganisms constitute a small ecosystem, indicating that the occurrence of root-knot nematode disease has a very important relationship with rhizosphere microorganisms. As a stubborn soil disease, root-knot nematode directly harms the nutrient absorption of crop roots. Antagonistic microorganisms are an important way of biological control, and the main disease-preventing bacteria have been screened and applied. Among them, there are three main types of soil microorganisms, bacteria, fungi a...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N63/02A01N63/00A01P5/00C05G3/00C05G3/02C05G3/60
CPCA01N63/00A01N63/10A01N63/30C05B7/00C05G3/00C05G3/60A01N2300/00C05C9/00C05D1/02C05D9/02C05F11/08C05C1/00
Inventor 卢虎邓宝元王宗抗段继贤
Owner SHENZHEN BATIAN ECOTYPIC ENG
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