Streptomycete, fungicide and method for preventing and treating tartary buckwheat leaf spot disease

• Main Authors: WANG HAIHUA, WU SHUXIN, TAO ZONG, SHEN QUAN, PENG XIXU
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2024
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BEER; BIOCHEMISTRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; ENZYMOLOGY; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PROCESSES USING MICROORGANISMS; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; TRAPPING; VINEGAR; WINE

The invention discloses streptomyces, a microbial agent and a control method of tartary buckwheat leaf spot disease, the streptomyces is named as Streptomyces sp.QJK-30, and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M2019376. The fungicide comprises streptomycete and/or a fermentation product comprising streptomycete. The buckwheat leaf spot disease prevention and treatment method comprises the following step: spraying the fungicide to germinated tartary buckwheat. The streptomyces QJK-30 disclosed by the invention has a remarkable prevention and treatment effect on the tartary buckwheat alternaria leaf spot and the tartary buckwheat melanospora leaf spot, is simple in culture condition, easy to preserve, easy to industrially produce, environment-friendly, capable of colonizing on the body surface and in the body of a plant, lasting and stable in prevention and treatment effect and good in development and application potential. 本发明公开了一种链霉菌、菌