An elicitor from fungus Mycenae sp. enhanced the extracellular pH of protocorms of Dendrobium candidum in two stages and also inspired the activities of PAL, POD and LOX.

• 小菇属真菌制成诱导子处理铁皮石斛的原球茎 ,引起原球茎胞外pH分两个阶段升高 ,不同方法制作的诱导子对胞外pH的影响不同。