METHOD The content of IAA in bulbils,tubers,leaves of P.ternata,which were full of shade and not,were measured using stochastic complete experimental design.

• 方法利用完全随机设计对遮荫半夏和未遮荫半夏不同生长发育阶段块茎、珠芽和叶片中IAA的含量变化进行测定。