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“8优161”系我所水稻杂优课题组新育成的BT型不育系“8204A”(即“秀水04A”)与新育成的恢复系“R161”配组而成,为杂交晚粳型新组合。1991～1993年参加市杂交粳稻区试和生产试验。3年市区试验和生试平均亩产576.9kg,比对照杂优粳稻“寒优1027”增产8.56％。百亩丰产方平均亩产610.7kg,其中2.37亩高产田块亩产达654.5kg。
“Youyou 161” is a combination of BT type sterile line “8204A” (ie “Xiushui 04A”) newly bred by our rice special group and newly rejuvenated restorer line “R161”, which is a hybrid late japonica type New combination. From 1991 to 1993 to participate in city hybrid japonica rice area test and production test. In three years, the average yield per mu of urban experiment and student test was 576.9 kg, which was 8.56% higher than that of the control hybrid rice “Han You 1027”. The average yield per mu of high-yield side is 610.7kg, of which, 2.37 acres of high-yield plots yield 654.5kg per mu.