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江苏沿海地区农业科学研究所以广占63S为母本、优质抗稻瘟病中籼稻桂99为父本进行杂交并经多年多代异地选择,2004年育成籼型光温敏两用核不育系盐221S,2013年通过江苏省农作物品种审定委员会办公室鉴定。用盐221S与盐恢888配组,2007年育成优质高产抗病两系杂交水稻新组合盐两优2218,2013年通过江苏省农作物品种审定。经研究发现,盐221S及其新组合盐两优2218具有良好的推广应用前景。
The Institute of Agricultural Sciences of Jiangsu Coastal Region, with 63S as its parent and 5300 as its male parent of indica rice with high quality and resistance to rice blast disease, was crossed with each other for many years and many generations. In 2004, indica type photo-thermo-sensitive dual-purpose nuclear sterile salt 221S, in 2013 through the Jiangsu Provincial Crop Variety Approval Committee office identification. Salt 221S and salt recovery 888 group, in 2007 bred high quality, high yield and disease resistance of two-line hybrid rice combination Yanliangyou 2218, in 2013 through the Jiangsu province crop varieties validation. The study found that salt 221S and its new combination Yanliangyou 2218 has a good promotion and application prospects.