今年鄂西北山区8、9月份雨水偏多,预计茶饼病中等偏重发生,发病高峰期在9月上旬末。该病主要危害茶树嫩叶,发病初期叶片出现红色斑点,中期叶背出现饼状白斑,后期病斑扩展相连呈枯褐状,常造成新梢嫩芽枯死。适温高湿气候条件下,该病传播速度极快,可造成连片茶园发病,茶树整株枯死,严重影响来年产量。其防治措施,一是抢在发病初期,用甲基硫菌灵、百菌清、三唑酮(粉锈宁)等对症杀菌剂连喷2~3次,每次间 This year in northern Hubei mountainous area in August and September, the rain is too much, is expected to moderate emphasis on tea cake disease, the peak incidence in late September. The disease is mainly endangering the young leaves of tea tree, the early onset of the leaves appear red spots, mid-leaf back pie bread white spots, late extended lesion brown spots connected, often resulting in shoots dead shoots. Temperature and high humidity conditions, the disease spread very fast, can cause contiguous tea plantation, tea whole plant dead, seriously affecting the production in the coming year. The prevention and treatment measures, one grab in the early stages of the disease, with thiophanate-methyl, chlorothalonil, triadimefon (triadimefon) and other symptomatic fungicides even spray 2 or 3 times, each time