枳(Poncirus trifoliata Linn.),别名枳壳、枸桔、枸桔蛋、铁篱寨、臭桔、雀不站等,是柑桔类果树最常用的优良砧木之一。我国大部分柑桔产区作甜橙、桔、柑等砧木,表现嫁接亲和力强,成活率高,树冠矮化,进入结果期早,丰产,适应性增强,抗旱抗寒,耐瘠薄,并可减少脚腐病危害,增进果实品质。 Poncirus trifoliata Linn., Alias ​​Citrus aurantium, citrus fruit, citrus egg, iron fence, stink orange, bird do not stand, citrus fruit tree is one of the most commonly used fine rootstocks. Most citrus growing areas in our country are made of rootstocks such as sweet orange, orange and mandarin, which show strong affinity for grafting, high survival rate, dwarf crown, early fruiting period, high yield, adaptability, drought resistance, cold tolerance and barrenness. Reduce the foot rot hazards, improve fruit quality.