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青壳宝圆系１９８９年从宝圆实生树中选出大果型的晚熟龙眼新品种。具有晚熟、抗性强和丰产、稳产、优质等特点。平均单果重１６．９─１８．４ｇ。在福州９月下旬成熟，果肉厚度０．７８─０．８９ｃｍ，可食率６９．４％─７０．７％，可溶性固形物１９．６％─２２．４％，肉质脆、化渣、不流计、鲜食和加工均宜。综合经济性状明显优于福建的油潭本、九月乌、扁匣棒、柴螺等晚熟良种。目前该品种已扩大繁殖３０００多株，在福建龙眼主产区区试的无性一、二代树已结果多年，均能保持母树的优异性状，说明遗传性是稳定的。
Green shell treasure circle 1989 from Bao Yuan real tree selected large fruit type late-ripening longan new varieties. With late maturity, strong resistance and high yield, stable yield, high quality and so on. Average fruit weight 16.9 ─ 18.4g. In Fuzhou in late September maturity, the flesh thickness of 0.78 ─ 0.89cm, edible rate of 69.4% ─ 70.7%, soluble solids 19.6% ─ 22.4%, meat crisp, slag, not Flow meter, fresh food and processing are appropriate. Comprehensive economic traits significantly better than the oil in Fujian, September black, flat box sticks, Chai Luo and other late-maturing elite. At present, the breed has been expanded to multiply more than 3,000 strains. The first and second generation trees in the trial area of main producing area of longan in Fujian Province have for many years been able to maintain the excellent traits of the mother tree, indicating that the inheritance is stable.