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Growth-promoting bacteria for promoting ginger growth and preventing and controlling continuous cropping ginger soil-borne wilt and microorganism organic fertilizer produced from growth-promoting bacteria

A soil-borne fusarium wilt and organic fertilizer technology, applied in the field of growth-promoting bacteria and microbial organic fertilizers, can solve the problems of weakening the ability of sustainable agricultural development, loss of nutrient resources, waste of raw materials, etc., and achieve growth promotion and prevention and control of ginger Soil-borne fusarium wilt, significant inhibitory effect, and income-increasing effect

Active Publication Date: 2013-07-10
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The incineration of crop straws in our country and the disposal of livestock and poultry manure after large-scale breeding not only seriously pollute the environment, but also greatly waste raw materials that can be used as organic fertilizers and bio-organic fertilizer products; a large number of nutrient resources are lost in soil-plants outside the system, it has obviously weakened the ability of my country's agricultural sustainable development

Method used

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  • Growth-promoting bacteria for promoting ginger growth and preventing and controlling continuous cropping ginger soil-borne wilt and microorganism organic fertilizer produced from growth-promoting bacteria
  • Growth-promoting bacteria for promoting ginger growth and preventing and controlling continuous cropping ginger soil-borne wilt and microorganism organic fertilizer produced from growth-promoting bacteria
  • Growth-promoting bacteria for promoting ginger growth and preventing and controlling continuous cropping ginger soil-borne wilt and microorganism organic fertilizer produced from growth-promoting bacteria

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Experimental program
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Effect test

Embodiment Construction

[0026] (1) Isolation of growth-promoting strains

[0027] Preliminary screening of growth-promoting strains: Collect the rhizosphere soil of healthy ginger plants in ginger continuous cropping fields, and use PDA+NA to add ginger soil-borne fusarium wilt pathogen Fusarium oxysporum (Fusarium oxysporum) (from Shandong Anqiu ginger soil-borne wilt The diseased plants collected in the field with serious disease incidence were separated and purified, and confirmed to be the target strain of the spore suspension of ginger soil-borne fusarium wilt after identification by back-grabbing test, and 14 strains were obtained in the preliminary screening For the target strain, freeze-dry the strain and store it at -20°C for further screening.

[0028] Re-screening of growth-promoting strains: Take the growth-promoting strains and pathogenic bacteria after primary screening, and conduct a confrontation test on a PDA plate for re-screening. Use a hole puncher (5mm) to dig out a piece of pat...

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Abstract

The invention relates to growth-promoting bacteria for promoting ginger growth and preventing and controlling continuous cropping ginger soil-borne wilt and a microorganism organic fertilizer produced from growth-promoting bacteria, belonging to the technology of intensive agriculture production. A growth-promoting bacterial strain NJPRHSDAQ-1 is obtained through separation, and is inoculated into a microbial decomposition mixture of cured pig manure compost and rapeseed meal for solid fermentation so as to prepare the microorganism organic fertilizer, the fertilizer comprises more than 1*10<8>cfu / g of growth-promoting bacteria and 4-5% (above 90% of organonitrogen) of total nitrogen, the total nitrogen phosphorus and potassium nutrient is 6-10%, and the organic content is more than or equal to 45%. A pot experiment result proves that the rate for preventing and controlling the ginger soil from having the wilt achieves above 75%, and if being applied to soil in which the ginger is planted, microorganism organic fertilizer can prevent and control ginger soil-borne wilt.

Description

1. Technical field [0001] The invention relates to growth-promoting bacteria and microbial organic fertilizers for promoting the growth of ginger and preventing and controlling soil-borne blight of continuous cropping ginger, belonging to the technical field of agricultural intensive production. 2. Background technology [0002] Ginger soil-borne blight is a typical soil-borne disease, which seriously affects the yield and quality of ginger. Ginger wilt mainly harms underground tubers. The pathogenic bacteria of the disease are Fusarium oxysporum and Fusarium solani. The disease can occur after 2 to 3 consecutive crops, and it will become more serious after 5 years of continuous cropping. If there is no method and approach for preventing and controlling the disease, the growth of ginger plants will be difficult to sustain. Our results show that the key problem of soil-borne blight of continuous crops is not nutrient deficiency or imbalance, nor secondary salinization of soi...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01P3/00A01P21/00C05F11/08C05F17/00C12R1/07
CPCY02W30/40
Inventor 沈其荣黄启为潘汝浩张楠
Owner NANJING AGRICULTURAL UNIVERSITY
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