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AssigneeShanghai Jiao Tong University
InventorsJie Chen, Peng Liu, Xinhua Wang
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A biological seed-coating agent (SCA) including a fermentation broth obtained based on co-cultivation of Trichoderma and Bacillus sequentially inoculated, and a preparation method thereof are provided. According to a principle of synthesis biology, Trichoderma that induces disease resistance and stress resistance and Bacillus that antagonizes pathogens and promotes crop growth are inoculated in stages for co-fermentation to prepare a microbial co-culture solution. The microbial co-culture solution is mixed with diatomaceous earth and brassinolide according to a specified ratio to prepare a biological SCA in a dosage form of a powder. The biological SCA includes high contents of spores and antagonistic and growth-promoting substances.
A biological seed-coating agent (SCA) in a dosage form of a dry powder, comprising enriched mixed spores, a diatomaceous earth, and brassinolide, wherein the enriched mixed spores are obtained by co-cultivation of Trichoderma and Bacillus sequentially inoculated and comprise antimicrobial alamethicin and indoleacetic acid (IAA);
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