大枣高接换头早期丰产栽培技术
HEBEI FRUITS（2009）
Abstract
1 良种高接
发芽前20～30 d,采集良种接穗并蜡封.选用1年生充实发育枝,要求枝条节间短,枝条芽眼饱满,接穗为1年生枣头或枣股.于发芽前对骨干枝进行回缩,根据空间大小和树形,选留改接部位,骨干枝留40～90 cm短截,截面要光滑.
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