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如东2号(原名80-331-3)元麦是如东县农业科学研究所1975年用早熟3号大麦与西欧晚熟矮秆的3500大麦杂交,1976年F_1再与浙114杂交,于1979年定型的。1980～1983年在如东县多点试验、试种,比立新1号增产9～36％。1983～1985年,参加江苏省区域试验,17个点次平均亩产为366.5公斤,比浙114增产7.27％,位居参试品种之首。据各试点反映,如东2号大麦的熟期、丰产性、抗病性均略好于浙114,其适应性、稳产性均好。1986年4月江苏省农作物品种审定委员会审定通过,可在淮南麦区中等肥力水平和排水良好的中晚茬口种植。1984年如东县种植面积为27000余亩,亩产比立新1号增40～50公斤。
Rudong 2 (formerly 80-331-3) Yuan Mai is Rudong County Institute of Agricultural Sciences in 1975 with three early maturing barley and Western Europe late 3500 barley hybridization barley, F_1 in 1976 and then cross with Zhejiang 114 in 1979 Year stereotypes. From 1980 to 1983 in Rudong County, more trials, planting, yield increased 9 to 36% more than the new No. 1. From 1983 to 1985, taking part in the regional experiment in Jiangsu Province, the average yield per mu at 17 spots was 366.5 kg, an increase of 7.27% over that of Zhe144, ranking the first among varieties tested. According to the pilot reflect, Rudong No.2 barley maturity, high yield, disease resistance are slightly better than Zhejiang 114, its adaptability, stable yield are good. April 1986 Jiangsu Province, the approval of crop varieties approved by the Committee, in medium-level fertilizer in Huainan wheat level and well-drained planting in the late crop. 1984 Rudong planting area of 27,000 acres, more than the new No. 1 by 40 to 50 kg.