果树病虫有多种 ,危害各有重和轻 ,主要病害四大类 ,枝干常得腐烂病 ,花腐病和黑星病 ,还有早期落叶病。重点害虫四类型 ,果实易得食心虫 ,吸食汁液属蚜虫 ,毛虫巢蛾叶吃净。不同病虫细分清 ,药剂科学来应用。一、病害先说果树腐烂病 ,溃疡枝枯两类型 ,溃疡常在主干生 ,主干分 Pests have a variety of fruit trees, each of the hazards of heavy and light, the main four major diseases, branches often rot disease, flower rot and scab, as well as early deciduous disease. Four types of key pests, fruit easy to eat heart worms, juice consumption is aphids, caterpillars eat moths. Different pests and diseases breakdown, pharmaceutical science to apply. First, the disease first to say fruit tree rot disease, ulcer withered two types of ulcers often in the trunk, trunk points