青稞北青七号的选育及特征特性

Breeding and Characteristics of Beiqing 7,a New Hulless Barley Variety

为全面提高青海省的青稞育种水平,培育优质、丰产的青稞新品种,实现青稞产业化发展,于2001年在前期研究的基础上,利用已育成的88繁45-1[MDYT(母本)×245(父本)]进行系统选育,经品比试验、区域试验和大面积生产示范结果表明,该品种具有早熟、丰产、品质优良(粗蛋白质含量13%以上)、农艺性状好、抗倒伏能力强、抗病性强和适应性广等特性;大面积生产比目前推广品种北青六号每667m2增产10%以上;适宜在青藏高原0℃左右的中、高山旱地区种植。该品种2005年通过青海省农作物品种审定委员会审定,定名为北青七号(品种审定号为青种合字0188号)。

Beiqing 7,a new hulles barley variety with characteristics of early maturity,high yield,13% crude protein content,good agronomic characters,strong resistance to lodging and disease and wide adaptability,was bred from MDYT（female parent）×245（male parent）combination by systematic breeding method for 13 years and approved by Qinghai Crops Variety Examination Committee to improve breeding level of hulless barley,culture new hulless barley varieties with quality and high yield for promoting development of hulless barley industrialization in Qinghai province.The yield of Beiqing 7 in the production tests was 10% higher than Beiqing 6（a current commercial variety）.Beiqing 7 can be cultivated in dryland areas with 0℃ in Tibet plateau.