粤引红脐橙的引种选育及主要栽培技术

The introduction and main cultivation techniques of Yueyin Red Navel Orange

试验结果表明:粤引红脐橙树形呈不规则的自然圆头形,树势中等,成枝力强,枝梢较开张,成花能力强,与枳、枳橙、温州蜜柑和甜橙嫁接表现亲和;果实中等大,单果重180 g左右,近球形、闭脐或露脐,果皮橙色;果肉紫红色,可溶性固形物含量15.0%,可滴定酸含量0.88%,维生素C含量0.594 mg/mL,总糖11.6%,固酸比17.1,肉质脆嫩化渣、风味清甜有独特芳香味,无核;成熟期在翌年1月,耐贮藏,留树挂果可贮藏至2月,常温下常规贮藏能保存至3月底。

The tree form of ＂Yueyin Red Navel Orange＂ is irregularly natural roundhead shape with the medium tree vigor, strong branching ability and relatively wide branch tip. The flowering capacity is strong. And it＇s grafting compatibility with trifoliate orange, citrange, satsuma mandarin and sweet orange exhibit well. The fruit size is medium or large. The average single fruit weight is about 180 gram with nearly spherical shape, closed or opening navel. And the pericarp is orange while the pulp is purplish red. Soluble solids content is 15.0%,titratable acid 0.88%, vitamin C 0.594 mg/mL, total sugar 11.6%, TSS-acid ratio is 17.1. The pulp is crisp and tender with slight sweet, unique fragrant scent, no seed, and high quality. The maturity is in January next year. It is long-storage. It can be able to store until February on trees and keep well until March through conventional storage under normal temperature.