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1.苹果树腐烂病在苹果树整个生长期都发生,防治的重点在3—4月和6—8月两个发病扩展高峰期,全年做到巡回检查,早发现,早治疗,坚持“预防为主、综合防治”的方针。 2.施肥增强树体抗病性。每株弱树,施有机肥145—200公斤,碳酸氢铵6.5—10公斤,挽回苹果损失31—130.5公斤。
1. apple tree rot disease occurs in the apple tree throughout the growth period, the focus of prevention and control in March and April and June-August two peak incidence of expansion throughout the year to do tour inspection, early detection and early treatment, adhere to the “ Prevention first, comprehensive prevention and treatment ”approach. Fertilization enhances tree resistance. Each weak tree, Shi organic fertilizer 145-200 kg, ammonium bicarbonate 6.5-10 kg, restore the apple loss of 31-130.5 kg.