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亚种间重穗型杂交水稻Ｄ宝优６号、Ｄ７０２优多系１号、Ｄ宝优１号组合，已在福建省尤溪县管前制种基地培育成功。目前，我国杂交稻当家组合汕优６３，自９０年代后开始表现抗性降低、优势减弱，使福建省汕优６３种植面积从１９９１年高峰面积４１３万ｈｍ２，降至１９...
Subspecies heavy-panicle hybrid rice D Baoyou 6, D702 Yeduo 1, and D Baoyou 1 have been successfully cultivated in the former seed production base in Youxi County, Fujian Province. At present, China’s hybrid rice combination headed Shanyou 63, since the 90s after the beginning of the performance of resistance decreased, the advantage weakened, Fujian Province, Shanyou 63 acreage from 1991 peak area of 41 3 million hm2, down to 19 ...