脐橙是甜橙中的特殊种类,因果实顶部内有一个次生小果形似脐眼而得名。脐橙果大无核,肉质脆嫩香甜,市场俏销。资源县自1990年承担国家农业部山地脐橙商品基地示范项目建设以来,先后引种了国内外近20个脐橙品种(系)。经多年栽培观察和对比试验,筛选出纽荷尔、佛罗斯特、林娜、新 Navel orange is a special type of sweet orange, named after a small fruit shaped like a umbilicus on the top of the fruit. Large navel orange fruit, sweet and crisp meat, the market Qiao Xiao. Resource County since 1990 to undertake the Ministry of Agriculture mountain navel orange commodity base demonstration project, has introduced nearly 20 at home and abroad navel orange varieties (lines). After years of cultivation observation and comparative test, Newhall, Frost, Linna, new screening