SRS2, a preparation of resistance induction in tobacco, was made from elicitors of the hypovirulent strain TBA16 of Alternaria alternata pathogen,combing chemical ID1 as a resistance inducer.

• 作者在温室、田间小区和大田进行应用示范试验，明确了诱导剂SRS2对烟草赤星病的控制作用。