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冬小麦新品种石冬2号系原石河子地区农科所于1975年用热衣木夏为母本、乌克兰83为父本杂交经连续单株选育而成,1985年12月经石河子农作物品种审查委员会审查通过并命名,原代号为75—149.石冬2号1981—1983年在兵团冬小麦区域化试验中平均亩产385公斤,较对照新冬2号增产5%,居参试品种第二位,具有较好的稳产性.1982年秋,原一四三团九连种植石冬2号85亩,亩产351.5公斤,较中引4号增产9.2%.1984年,该连种植石冬2号1,852亩,平均亩产299公斤.1985年,该团种植石冬2号16,416.6亩,占冬麦面积35%.平
New winter wheat varieties Shidong 2 Department of Shihezi Region Agricultural Science Institute in 1975 with the hot spring wood as the female parent, Ukraine 83 as the male parent cross-breeding single plant from December 1985 by Shihezi Crop Variety Review Committee Reviewed and named, the original code is 75-149. Shidong 2 from 1983 to 1983 in the corps of the regionalization of winter wheat test 385 kg per mu, compared with the new winter 2 yield 5%, ranking second varieties tested varieties , With good stability .In the autumn of 1982, the original one three three regiment nine even planting 85 acres of Shidong on the 2nd, 351.5 kilograms per mu, compared with No. 4 yield 9.2% in 1984, 1,852 mu, the average yield of 299 kg in 1985, the regiment Shidong 2 16,416.6 acres planted, accounting for 35% of winter wheat area.