苹果高接换种和培育嫁接苗,过去多采用春、秋季硬枝嫁接。但存在嫁接时期短,繁殖系数低,成活率不高等缺点。为适应我省果树外向型商品经济的发展,寻求迅速实现苹果品种更新换代的新技术途径,近年我们于所内、大连、营口、鞍山等地作了苹果夏季绿枝 Apple high seedlings and breeding grafted seedlings, the past to use more spring, autumn hardwood grafting. But there is a short period of grafting, breeding coefficient is low, the shortcomings of survival rate is not high. In order to adapt to the development of export-oriented commodity economy of the province’s fruit trees, and to seek new ways to rapidly realize the replacement of apple varieties, in recent years, we made apple-green branches in Dalian, Yingkou and Anshan in recent years