Substances changes in mother scales were regulated by endogenous GA3, but mostly by endogenous ABA in daughter scales.

• 通径分析结果表明，母鳞茎与新鳞茎的物质代谢机制不同，母鳞茎的物质变化受内源GA3的调控，新鳞茎主要是ABA作用的结果。