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苹果的缺铁黄叶病,是苹果的主要生理病害之一.在我国苹果的新、老产区,如辽西、冀东、京津、晋中、鲁西北,以及胶东的涝洼地区等,都广有发生.对苹果树体的生长发育和产量品质,都有不同程度的影响.为了探明造成缺铁的环境因素和树体因素,以便确定有针对性的防治措施,我们在长岛县盐生土壤上和莱西县涝洼地上,对苹果
Apple’s iron deficiency yellow leaf disease, is one of the main physiological diseases of apple.In our new and old producing areas of apple, such as Liaoxi, Jidong, Beijing-Tianjin, Jinzhong, Shandong Northwest, and Jiaodong’s waterlogged depression area, Have occurred widely occurred on the apple tree growth and yield and quality have varying degrees of impact.In order to ascertain the cause of iron deficiency and environmental factors and tree body factors in order to determine the targeted prevention and control measures, Salt soil and Lacey County waterlogged depression on the apple