防治人参叶病的几种新药剂新宾县朝阳林场王庆丰人参叶部病害是妨碍人参生长的主要因素。目前防治人参黑斑病等的主要药剂有扑海因、代森锰锌、多菌灵。由于长期使用已不同程度地产生了抗性，防效降低。成本增加。为了改变这一局面，我们采用了几种高效、低毒、低残留的新... Prevention and treatment of several new ginseng leaf agent Xinbin County Chaoyang Forest Farm Wang Qingfeng ginseng leaf disease is hindered the growth of ginseng main factor. At present, the main agents for prevention and treatment of ginseng black spot are puerarin, mancozeb and carbendazim. As long-term use has varying degrees of resistance, reduce the effectiveness. Increased costs. In order to change this situation, we have adopted several new high efficiency, low toxicity, low residue ...