牧草新品种黔草3号扁穗雀麦的选育

Breeding of Qiancao 3,a New Forage Variety(Rescue Brome)

以贵州省逸生扁穗雀麦为育种材料,采用混合改良选择法,经10多年选育而成的一年生牧草新品种黔草3号扁穗雀麦,生长速度快、叶宽、分蘖多、产量高、适口性好,生育期比原始群体迟7 d,比对照品种迟22 d,鲜草产量、种子产量比原始群体增产10%以上,鲜草产量比对照增产20%以上,种子产量比对照减产18%以上。是适应我国南方及贵州省冬闲田土种植的优良品种之一。

Qiancao 3 （rescue brome）, a new annual forage variety, was bred from the local rescue brome variety by the combined improvement selection method after ten years. Qiancao 3 has the advantages of fast growth speed, broad leaf, more tillers, high yield and good palatability. The growth period of Qiancao 3 is 7 d and 22 d longer than the original population and CK respectively. The fresh grass yield of Qiancao 3 is over 10% and 20% higher than the original population and CK. Separately. The seed yield of Qiancao 3 is over 10% higher than the original population but is over 18% lower than CK. Qiancao 3 can be planted in winter fallow field in Guizhou province and Southern China.