[Objective] The aim was to screen out agents to control American ginseng blight.[Method] We studied control effects of four agents against American ginseng blight through plot test.[Result] The four agents had no bad effect on the growth of American ginseng,and had different degrees of control effect against American ginseng blight,among them 2 000 times diluent of Trichoderma harzianum had the best control effect,secondly was 3 000 times diluent of 99% hymexazol,and 600 times diluent of 40% pentachloronitr...
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