品种来源:原名“雁红11号刀。由山西省农科院高寒作物所于1968年用华北2号作母本,三分三作父本杂交选育而成。1974年定名,原编号69465。特征特性:生育期88天,属中早熟种。幼苗半直立,深绿色,叶片小而短,叶表面有灰色蜡质层,分蘖力较强,成穗率高。株高87厘米左右。穗大而松散,铃粒数较多,穗粒重1.5克,千粒重22.3克,抗旱性强,适 Variety Source: formerly known as "Yan Hong knife No. 11. By the Shanxi Academy of Agricultural Sciences alpine crop in 1968 with North China 2 as the female parent, one-third of the three-parent cross-breeding from .1974 named, the original number 69465 Features: Growth period of 88 days, is a precocious species. Seedlings semi-erect, dark green, small and short leaves, the leaf surface of the gray waxy layer, strong tillering ability, spike rate of about 87 cm tall. Large and loose ears, bell number more, 1.5 grams of grain weight, grain weight 22.3 grams, drought resistance, suitable