Biocontrol bacterium Pseudomonas putida YDTA3 capable of efficiently removing rhizosphere citrulline and preventing and controlling watermelon cucumber fusarium wilt and application of biocontrol bacterium Pseudomonas putida YDTA3

Based on the fact that citrulline can remarkably promote pathogenicity of fusarium oxysporum, the invention discloses a biocontrol bacterium YDTA3 which has efficient citrulline metabolism capacity and is used for preventing and controlling fusarium wilt of continuous cropping watermelons and cucumb...

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Bibliographische Detailangaben
Hauptverfasser:	DING ZHEXU, TENG XINYANG, SHEN QIRONG, YUAN JUN, WEN TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY COMPOSITIONS THEREOF CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED CULTURE MEDIA DYES ENZYMOLOGY FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MUTATION OR GENETIC ENGINEERING NATURAL RESINS PAINTS PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS POLISHES PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TRAPPING VINEGAR WATERING WINE
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Beschreibung
Zusammenfassung:	Based on the fact that citrulline can remarkably promote pathogenicity of fusarium oxysporum, the invention discloses a biocontrol bacterium YDTA3 which has efficient citrulline metabolism capacity and is used for preventing and controlling fusarium wilt of continuous cropping watermelons and cucumbers, and the biocontrol bacterium YDTA3 is classified and named as Pseudomonas putida. The strain is preserved in the China Center for Type Culture Collection on July 10, 2023, and the preservation number of the strain is CCTCC NO: M 20231178. The strain P.putida YDTA3 obtained by screening has the advantages that the degradation rate of citrulline with the initial concentration of 5mM within 120h under shake-flask culture can reach 96% or above; after the strain P.putida YDTA3 is applied to rhizospheres of continuous cropping watermelons and cucumbers, citrulline capable of increasing pathogenicity of pathogenic bacteria fusarium oxysporum can be remarkably degraded, so that the morbidity of fusarium wilt of the c