中晚熟脐橙新品种园丰脐橙特性与高接鉴定  

Characteristics of New Mid-late Matured Navel Orange Variety Yuanfeng and Identification of Its Top Grafting

作　　者：李先信[1,2,3] 刘庚峰[1] 卜范文[1] 李健权[1] 黄国林[1] 张映南[4] 

机构地区：[1]湖南省园艺研究所,湖南长沙410125 [2]湖南省农业经济与农业区划研究所,湖南长沙410125 [3]中南大学隆平分院,湖南长沙410125 [4]广东海洋大学农学院,广东湛江524088

出　　处：《湖南农业科学》2012年第3期120-122,127,共4页Hunan Agricultural Sciences

摘　　要：园丰脐橙系湖南省园艺研究所1993年从资兴市坪石乡华盛顿脐橙园中选出的具有自主知识产权的优良变异株系,经过10多年的观察鉴定,其主要经济性状稳定。多点试验结果表明:该品种适应性强,树势生长强壮,树姿较开张,结果早,花量中等,自然坐果率高,以树冠内堂和下部结果为主,无明显大小年结果现象,丰产稳产;果实近圆形,平均单果重264 g,果型指数:1.03,果形较整齐,l2月上中旬成熟。果实含可溶性固形物12.1%,总糖9.87 g/100mL,总酸0.85 g/100mL,维生素C为59.74mg/100mL,固酸比14.24,可食率71.20%。果皮橙红或深橙红,果肉脆嫩化渣,酸甜可口,品质上乘。高接树1 a可恢复树冠,第2年开花结果,第3、4年平均产量可达25～30 kg/株。Yuanfeng navel orange is a great variant line, which was selected from Washington navel orange orchard in Pingshi Village of Zixing City by Hunan Horticultural Research Institute in 1993. Through observation and identification for over 10 years, the main economic characters of Yuanfeng were stable. The results of multi-location experiment showed that the Yuanfeng navel orange had strong adaptability, strong growth of tree vigor, open tree performance, early fruit, medium flower amount, and high natural fruit setting rate; fruits were mainly setting in interior and lower part of the canopy, while the fruits have no obvious alternate bearing phenomenon, and the yield is high and stable; the fruit is round in shape, 264 g in average fruit weight and 1.02 in fruit shape index and matured in early and mid December, and the fruit shape is tidiness; fruit contains 12.1% of soluble solids, 9.87% of total sugar, 0.85% of total acid and 59.74 mg/100 mL of Vc, and its ratio of solid to acid and edible rate were 14.24 and 71.20%, respectively; the orange peel shows orange red or deep orange red, and the flesh is brickle and tender, and have suitable acid and sweet flavor and great quality. The canopy of top grafting Yuanfeng navel orange tree can recover within one year, blossom out and fruit set at the second year, the average yield in the third and fourth year can reach 25-30 kg/tree.

关 键 词：园丰脐橙 新品种 高接鉴定 

分 类 号：S666.4[农业科学—果树学]