芽变选种是果树新品种选育的一个重要方面.目前世界上优良苹果栽培品种来源于芽变的占相当的比重.在苹果许多品种的芽变中,以元帅系统品种的浓红型、短枝型的芽变为最多.美国红星的优良芽变品种“新红星”(Starkrimson)就是一个例子.仅美国华盛顿州经鉴定的矮型、浓红色元帅系芽变就多达160个以上.其他品种如金冠、旭、 Bud selection is an important aspect of breeding new varieties of fruit trees.At present, the fine varieties of apple cultivars in the world come from the proportion of buds.There are many types of apples in the bud change, Spur-type buds become the most .A good example is the Starkrimson variety of the United States Red Star, which has more than 160 buds that have been identified by the Washington state of the United States as short, dark red. Other varieties such as Golden Delicious, Asahi,