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核桃树由于品种老化而造成了品质不好、产量下降、效益降低,通过嫁接新品种的方法,是更新换代和提高经济效益的主要途径。由于核桃树受伤流和单宁的影响,嫁接难度大,技术要求高,嫁接成活率较低。为了提高核桃树嫁接后的成活率,嫁接时应
Walnut trees due to aging caused by poor quality, production decline, reduce efficiency, through the grafting of new varieties is the main way to update and improve economic efficiency. Due to the flow of walnut tree injuries and tannins, the grafting is difficult, the technical requirements are high, and the grafting survival rate is low. In order to improve the survival rate of walnut tree after grafting should be grafted