宁德市是福建省适宜经济栽培龙眼的北缘地带,新种龙眼具有成熟期晚品质优的特性。80年代以来蕉城区晚熟龙眼生产得到迅速发展,目前面积近3万亩。但由于苗木混杂、品种老化、栽培管理粗放等原因,大部分龙眼园存在产量低、大小年结果而影响经济效益的现象。为此,我们开展了低产龙 Ningde City, Fujian Province, is suitable for economic cultivation of longan in the northern margin of the new species of longan with high quality late maturity characteristics. Since the 1980s, the production of late-ripening longan in Jiaocheng District has witnessed rapid development with an area of ​​nearly 30,000 mu. However, because of the mixed seedlings, the variety of aging, extensive cultivation and management and other reasons, most of the longan garden there is a low yield, the size of the annual results and the impact of economic benefits. To this end, we launched a low-yielding dragon