重庆市巴县果园在今春嫁接了一批柑桔苗。其中一部份温州蜜桔,采用切接法,砧木用枳壳(枸桔)。接后覆盖粗河砂。经过一月多,天气亢阳,空气干燥,结果大部死去,成活的仅百分之二。遭到严重的损失。它的原因,就我们分析,有以下几点:1.砧木年龄老。所用枳壳砧木已十龄,接上后癒合生长迟缓; Chongqing Baxian Orchard in the spring grafted a group of citrus seedlings. One part of Wenzhou tangerine, cut the law, rootstock with Citrus aurantium (Citrus). Then cover the rough river sand. After more than a month, the weather was yang and the air was dry. Most of the results were dead and only 2% of the surviving ones survived. Suffered a serious loss. It’s the reason, as we analyzed, the following points: 1. Rootstock age. Citrus aurantium rootstock used has been ten years, slow healing after the connection;