我国现有栽培的甜极品种中，除脐橙外，无核优质的甜橙品种较少。我省传统主栽的雪柑品种有扁圆形、圆果形、长圆果形三个品系，其中以长圆果形的品质最优，但各个品系单果种子通常达14—18粒，多者甚至达30粒以上，是雪柑品种最大的缺点。我们选育的无核雪柑，经多年的跟踪观? In our existing sweet cultivars, there are fewer varieties of non-nuclear sweet oranges besides navel oranges. There are three lines of Obsidian, Oval and Oval shape in the cultivars of Saussurea cultivated in our province. Among them, Oblong-fruit shape has the best quality, but single-fruit seeds usually reach 14-18 seeds in each line, many of them even Up to 30 or more, is the biggest shortcoming Xuemo varieties. Our selection of non-nuclear snow citrus, after years of tracking concept?