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黑龙江省农科院水稻研究所1983～1989年选育出的糯稻新品种龙糯1号(龙选B639-3-1),是从杂交稻的恢复系中经系统选育而成。1990年经黑龙江省农作物品种审定委员会审定,定名。
The new waxy rice variety Longyou 1 (Longxuan B639-3-1) bred from 1983 to 1989 by Rice Research Institute of Heilongjiang Academy of Agricultural Sciences was selected from the restoring lines of hybrid rice through systematic breeding. In 1990 by Heilongjiang Province Crop Variety Approval Committee validation, naming.