“水稻三系杂交新组合、新品种选育”研究专题由院作物所主持。年度内进展情况如下：①参加自治区中熟经区域化试验的两品种（超产2号和于使12）本年单产分别为599．7kg和646．4kg，均较对照新稻6号682．Zkg减产。因届中早熟品种，产量相对较低，参加南疆点的三系组合27AXR73－ The research project of “New Three-line Hybrid Rice Combination and New Variety Breeding” was presided over by the Institute of Crops. The progress in the year is as follows: ①The two varieties (overbred 2 and bai 12) participating in the regionalization test of medium-and-medium-sized municipalities in the autonomous region were 599.7kg and 646.4kg respectively this year, both of which were higher than the control Xintao 6,682. Zkg cut. Because of the middle and early maturing varieties, the yield is relatively low, to participate in the southern point of the three-line combination of 27AXR73-