随着柑桔产量的迅速增加和人民生活水平的大幅度提高,对柑桔果品的要求必然要从数量型向质量型转化。提高柑桔果品质量首先应选用优良品种和相适应的砧木,这是根本措施。脐橙是国际柑桔市场的著名品,种,果实无核,味甜肉脆化渣,富有香气,经济价值高,在柑桔鲜果市场上极受欢迎。我国引种脐橙早从1919年开始。在我市象山、宁海也已有四十多年历史。然而普遍存在一 With the rapid increase of citrus production and the substantial improvement of people’s living standards, the requirements of citrus fruits must be transformed from quantity to quality. To improve the quality of citrus fruits should first choose good varieties and adapt to the rootstock, which is the fundamental measure. Navel orange is a famous international citrus market, species, seedless fruit, crisp taste of sweet meat, rich aroma, high economic value, very popular in the citrus fruit market. Introduction of navel orange since 1919 as early as the beginning. Xiangshan in our city, Ninghai has more than 40 years of history. However, one is ubiquitous