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种子用量、施肥量减少20%,穗粒总数比常规稻增加近50%,每667m2土地较现有杂交稻增收350元以上。日前,由上海交通大学科研人员培育的“金汇优50”和“早丰优69”优异水稻品种,将有望于2014年通过品种鉴定,为市民的餐桌增添“柔软可口”的大米。项目负责人张大兵表示,他们利用上海地区的常规稻“9522”为基础,建立大规模水稻突变体库,分离30
The amount of seeds and fertilizers decreased by 20%, the total number of spikelets increased by nearly 50% compared with conventional rice, and the yield per 667m2 increased by 350 yuan or more compared with the existing hybrid rice. Recently, excellent rice varieties “Jinhui 50” and “Fengfengyou 69” cultivated by scientific research personnel of Shanghai Jiao Tong University are expected to pass the variety appraisal in 2014 to add “soft and delicious” “The rice. Zhang Dabing, project leader, said they used the conventional rice ”9522" in Shanghai as the basis to establish a large-scale rice mutant library and separate 30