太子参在我镇种植面积已达1.6万多亩,但太子参种植病害十分严重,据调查,常年株发病率在30%以上,损失在26%左右,有的种植片几乎绝收,严重影响了太子参的产量和质量。为寻找防治该病高效、安全的理想药剂,提高防治效果,指导参民治病防病, 防止滥用其它农残留量大药剂,镇农技站在 Pseudostellagium in my town has reached 16,000 acres of acreage, but the cultivation of heterophylla is very serious, according to the survey, the annual incidence of more than 30%, the loss of about 26%, and some planted almost absolutely affected seriously affected Pseudostellaria production and quality. In order to find the ideal agent for the prevention and treatment of the disease with high efficiency and safety, to improve the prevention and treatment effect, to guide the people to cure diseases and prevent disease and to prevent abuse of other pesticide residues,