冬牧70黑麦草又名冬长草、冬牧草,70年代引进我国,现在我国南北方均有种植。我省南宫、临城、大名、吴桥等市县已大面积种植。现正在全省进行重点推广。1 形态 冬牧70黑麦草是禾本科黑麦属冬黑麦的一个亚种。须根发达,茎中空,富有弹性,分蘖力强。高1—2米,丛生型,叶片和叶鞘表面蜡质,呈淡绿色,穗长10厘米左右。小穗30个,种子有芒,呈黄绿色,细长。 Winter pastoral 70 Ryegrass, also known as winter grass, winter pasture, introduced to China in the 1970s, and now we have both northern and southern planting. Nangong Province, Lincheng, Daming, Wuqiao and other cities and counties have been planted in large areas. Now the province to focus on promotion. 1 form of winter grazing 70 ryegrass is a subspecies of rye is a winter rye grass. Stem developed, stem hollow, flexible, strong tillering ability. 1-2 meters high, tufted, leaf and sheath surface waxy, pale green, spike length of about 10 cm. Spikelets 30, the seed has Mount, was yellow-green, slender.