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
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[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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