苹果树高接换头试验总结近年来我地区苹果的栽培面积不断扩大，但栽植的品种多以国光为主，为了更换优良品种，我们在２—５年生的国光苹果树上进行了高接换头试验，高接品种有新乔纳金、岳红、津轻、早熟富士等，试验处理有不同嫁接方法，套袋与不套袋、不同接穗长度、每... In recent years, apple growing areas in our region continue to expand, but the varieties cultivated mainly Guoguang, in order to replace the fine varieties, we have 2-5 years Guoguang apple tree for a high exchange The first test, high-species varieties have new Jonathan, Yue Hong, Tsugaru, premature Fuji, etc., the trial treatment of different grafting methods, bagging and not bagging, different scion length, each ...