核桃的主要病虫害有核桃炭疽病、核桃细菌性黑斑病、核桃溃疡病、根结线虫病及核桃举肢蛾、核桃长足象甲、核桃瘤蛾、核桃小吉丁、黄须球小蠹、芳香木囊蛾、核桃横沟象、草履介壳虫等。其防治措施如下 :1 在核桃休眠期 ,主要防治越冬病虫害。此时 ,病原菌和害虫均处于休眠状态 The main pests of walnut walnut anthracnose, walnut bacterial black spot disease, walnut ulcer disease, root-knot nematode disease and walnut Ligging moth, walnut long foot weevil, walnut tumor moth, walnut small Jidin, Betula oblongata, aromatic Woodworm moth, walnut horizontal ditch like grass, grass scale insects and so on. The control measures are as follows: 1 in the walnut dormant period, the main control over winter pests and diseases. At this point, pathogens and pests are dormant