桧柏锈病的症状:桧柏患锈病初期,针叶和嫩枝现黄斑点,后隆起顶破表皮露出红褐色的圆锥形或鸡冠状物,单个或数个相连。春雨后遇水胶化呈橙黄色花朵状的胶状物,严重危害桧柏的生长。
桧柏锈病的防治方法wei:dongtianjianquguiboshangdezhongbingzhi。10~11yuefenzaiguiboshangpen0.3%wulvfenna、1bomeidushiliuhejidehunheye,kefangzhixiubingbaozideqinran。3yuezhongxiaxunzaidongbaozimengfaqianpen1~2bomeidudeshiliuhejihuodengliangshi160~200bomeiduboerduoye2~3ci,meige7~10tianpen1ci。jiekeyouxiaofangzhiguiboxiubingdefasheng。