In controlling cotton verticillium wilt (caused by Verticillium dahliae ), chitin additives reduced the efficacy of LR, LTR 2 and GLR, but increased that of Q1.

• 对于防治棉花黄萎病来说,几丁质添加物使木霉菌LR、LTR-2和GLR的防治效果降低,但是提高了Q1的防治效果;