甜叶菊种传病害防治方法的研究

A STUDY ON TREATMENT TO THE SEED OF STEVIA REBAUDIANA BERTONI WITH FUNGI

采用种子处理方法可显著提高种子发芽率、降低发病率;其中以药剂浸种效果最好;药剂处理以多菌灵+福美双和多菌灵两个配方最佳。

The Stevia Rebaudiana Bertoni seed carrying fungi is one of main reasons that diseases can be caused in seedling stage and the late stage. It is of significance to atopt effective methods to control fungthat exist inside seeds. To use methods can reduce diseases in seedling stage, make seedling uniform and strong, control diseases in the late stage and increase products. The results indicated that seed treatment could increase germination percentage, Lower incidence of diseases. The best method among all kind of treatments was seed-soaking. Two prescriptions of pesticide, carbendazim with thiram and carbendazim,was worth extending becuse of their efficient stocks, cheap prices,simple method for usage and good effect.