甜橙晚熟品种春橙1号选育及其早结丰产栽培技术

Breeding of late maturing sweet orange‘Chuncheng 1’and its early high-yield cultivation techniques

春橙1号为从湖南引进的甜橙接穗(品种不详)嫁接苗中选育的芽变优良品种。春梢萌芽期在2月上旬,开花期为3月下旬至4月上旬,果实着色期为10月下旬,2月上旬成熟。果实近圆球形,中等大,单果重150～220g,果皮橙红色,光滑。果肉橙黄色,可溶性固形物11.5%～13.5%,可食率73.6%,品质中上等。树势壮旺,抗逆性强,丰产稳产。2008年获得广西果树新品种登记证书。栽培上应高标准建园,超密度定植,加强肥水管理,综合防治病虫。

‘Chuncheng 1＇ is an elite bud mutation cuhivar selected from grafted sweet orange seedlings （unknown variety） which was introduced from Hunan Province. The spring shoots sprout in early February, flowers in late March and early April,and the fruits color up in late October and mature in early February. The fruit is nearlyin circle and middle size with per fruit weight 150-220g. The peel is salmon pink and smooth. The pulp is lime yellow and TSS is about 11.5%- 13.5%, the edible rate is 73.6%, and the quality could reach over-medium level. The tree had strong resistibility, high and steady yield every year. In 2008, it was registered as a new fruit tree variety in Guangxi. In the cultivation process, high standard orchard should be built, high density cultivation method, appropriate fertilization, reasonable water management, integrated pest and disease control should be adopted.