Plant growth regulator
专利汇可以提供Plant growth regulator专利检索，专利查询，专利分析的服务。并且PURPOSE: To provide the titled agent composed of a liquid obtained by the cultivation of microorganism belonging to Fusarium genus incapable or producing gibberellin in a medium added with glycoside containing steviol as an euaglycone, or a liquid obtained by removing the microbial cells from the above liquid, concentrated product of the above liquids, or extract prepared therefrom.
CONSTITUTION: The objective plant growth regulator is composed of a culture liquid obtained by the cultivation of a bacterial strain belonging to Fusarium genus and capable of metabolizing steviol glycoside in a medium added with steviol glycoside. The cultivation is carried out by adding the steviol glycoside to a medium containing glucose, starch, etc. as carbon source, meat extract, peptone, etc. as nitrogen source, and metallic salts, phosphates, etc., at the beginning of or during the cultivation, and performing the cultivation at about 30°C for 20W200hr. The obtained culture liquid is used as it is after sterilization, or is subjected to the removal of microbial cells, and concentrated, freeze-dried, or extracted with an organic solvent followed by the distilling out of the solvent to obtain an extract.
COPYRIGHT: (C)1984,JPO&Japio，下面是Plant growth regulator专利的具体信息内容。
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