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武威地区苹果幼树越冬困难,采用砧木建国高干嫁接可使苹果幼树安全越冬。经我们1979—1980年进一步试验证明,高干嫁接后越冬抽条轻重与品种以及断面上嫁接的接穗数量有关。 供使品种中,抽条最轻的是赤阳、凉州青、紫云,最重是金冠,较重的是赤阳和元帅,其它赤阳2、 3、 4号, 660
Wuwei apple tree young winter overwinter, the use of rootstocks Jianguo high grafted apple saplings can be safe winter. After our 1979-1980 further tests have shown that the weight of overwintering after the high dry grafting varieties and grafts on the cross-section of the number of scion. For the varieties, the lightest is the red sunshine, Liangzhou Green, Ziyun, the most is the golden crown, the heavier is the red sun and Marshal, the other red 2, 3, 4, 660