河南省是山茱萸的主产区 ,以南召、西峡、内乡三县栽培最多。近几年 ,由于我省西南山区高温多雨期多集中于山茱萸果实成熟期 ,导致山茱萸炭疽病发生严重。据对南召县的乔端、马市坪、板山坪三乡山茱萸老产区调查 ,果树侵染率达 90 % ,果实侵染率达 5 0 %。经过几年的调查研究 , Henan Province is the main producing area of ​​dogwood, to the south, Xixia, Neixiang County most cultivated. In recent years, due to the high temperature and rainy season in the southwestern mountainous areas of our province are mostly concentrated in the maturing period of the fruit of Fructus Corni, resulting in serious occurrence of anthracnose of Cornus officinalis. According to the investigation of Qiaodong, Ma’pingping and Banxiangping Township in Nanzhao County, the prevalence of fruit trees reached 90% and the rate of fruit infection reached 50%. After several years of research,