核桃树夏季芽接通常采用“Ｔ”字型、“方块”形、“环状”形等方法，但这几种方法成活率比较低，而且成活率又不稳定、忽高忽低。为了克服上述缺点，河北省农林科学院昌繁果树研究所经过３年试验，将“Ｔ”字芽接法改为倒“Ｔ”字型芽接法。 采用“Ｔ”字型芽接法影响成活的主 Walnut tree bud summer usually take “T” shape, “box” shape, “ring” shape and other methods, but these methods are relatively low survival rate, and the survival rate is not stable, fluctuated. In order to overcome the above shortcomings, Chang Fan Fruit Research Institute of Hebei Academy of Agriculture and Forestry changed the “T” word budding method to the inverted “T” word budding method after three years of experiments. The use of “T” shaped budding affect the survival of the Lord