酵母菌Ｒｐ－６防治三七根腐病机理初探ＡＰｒｅｌｉｍｉｎａｒｙＳｔｕｄｙｏｎＭｅｃｈａｎｉｓｍｏｆＹｅａｓｔＲｐ－６ＣｏｎｔｒｏｌｏｆＰｓｅｕｄｏ－ｇｉｎｓｅｎｇＲｏｏｔＲｏｔ蔡静路卫华闫红高玉芝石雷刘化琴（中国林业科学院资源昆虫所，昆明６５０２１６）... Preliminary Study on Mechanis......