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高接是核桃改良品种的主要方法,笔者在皮山农场进行了5hm~25年生的实生树高处方块芽接,使其成活率由原来高处校接的50％左右提高到95％以上,且操作方便。现将具体方法介绍如下。
High then is the main method to improve walnut varieties, the author in the Pishan farm 5hm ~ 25-year-old tree height sprout, the survival rate increased from about 50% of the original altitude to 95% or more, and Easy to operate. Specific methods are introduced below.