杨梅褐斑病是由Mycosphaerella Myricae引起的叶片病害,分布很广,对产量和品质有严重影响。本病在5月中旬以后形成子囊孢子散出传播,无二次侵染。若在5月中下旬喷布1—2次波尔多液,7月初果实采收喷布1次托布津,防治效果可达85％以上;连续防治2—3年,可使产量和品质得到恢复。 Myrica capparis is a leaf disease caused by Mycosphaerella Myricae, which is widely distributed and has a serious impact on yield and quality. The disease in the middle of May after the formation of ascospores scattered spread, no secondary infection. If 1-2 times Bordeaux mixture is sprayed in the middle and late May, the fruit will be sprayed once by Tuopizin in early July, and the control effect will reach over 85%. The continuous control of 2-3 years can restore the yield and quality.