宜园3号甜橙,为四川省1972年开展选种以来所选出的优良甜橙芽变之一,其近于无核的特性及良好的品质已受到各方面的重视,并开始在生产上发展推广。一、选种经过宜园3号甜橙系1973年在宜宾地区园科所锦橙园中选出,1973—77年间,经地区、省柑桔选种协作组多次鉴评,评为少核优良单株,但未引起重视,繁殖利用较少。1978年后,中国农科院柑桔所 Sweet Orange No. 3 is one of the fine sweet orange buds selected in Sichuan Province since its seed selection in 1972. Its near-nuclear-free character and good quality have received great attention from all quarters and begun to be used in production Development and promotion. First, the selection After the Yiyuan 3 sweet orange in 1973 in Yibin District Park Branch of the Orange Park in the 1973-77 years, the region, the provincial citrus selection collaboration group repeatedly appraised as less Nuclear fine single plant, but did not pay attention to breeding less use. After 1978, the Chinese Academy of Agricultural Sciences citrus