一、前言椪柑是广东柑桔的名牌品种,品质优异,深受消费者欢迎。过去,广东多采用酸桔和红皮山桔等作砧木,在丘陵果园表现迟结果、迟丰产、树冠高大、管理不便,以致果农对发展椪柑有忧虑,因而近年来碰柑发展不快,种植面积不多,市场果品供不应求。本试验旨在为红壤丘陵地种植椪柑选出更适应的而又能早结早丰、矮化的砧木,以促进椪柑生产的发展。二、材料和方法 First, the preface Pomos konjac is a famous brand of Guangdong citrus, excellent quality, well received by consumers. In the past, Guangdong used more orange and red as the rootstock of orange, orange orchard in hilly late performance, late yield, tall crown, inconvenient management, resulting in the development of ponkan fruit farmers have concerns, so in recent years Pesticide development unlucky, planted area Not much market supply in short supply. The purpose of this experiment is to select more suitable rootstocks for early harvesting and dwarfing in the red soil hilly areas to promote the development of the ponkan mandarin. Second, materials and methods