甘肃天祝青稞新品种区域适应性研究

针对甘肃天祝藏族自治县青稞品种混杂和退化严重的问题,对引进的青稞新品种进行了区域适应性研究。结果表明:藏青25折合产量5 874 kg/hm~2,较对照增产20.2%;甘青4号折合产量5 860.5 kg/hm~2,较对照增产20.0%;北青7号折合产量5 739 kg/hm~2,较对照增产17.5%;甘青5号折合产量5 719.5 kg/hm~2,较对照增产17.1%。这4个品种田间种植综合性状表现良好,生育期适中,抗倒伏、抗病性较强,产量高,品质优,可以在天祝以及同类地区进行示范种植。

Evaluation of Regional Adaptability of New Hulless Barley Varieties in Tianzhu County,Gansu Province

With the aim of tackling the problem of admixture and severe degeneration of hulless barley varieties used in Tianzhu County, this study evaluated regional adaptability of four introduced highland barley varieties in Tianzhu.As a result,the yields of the varieties Zangqing 25,Ganqing 4,Beiqing 7,and Ganqing 5 reached 5 874,5 860.5,5 739,and 5 719.5 kg/hm2 ,respectively,which in-creased by 20.2%,20%,17.5%,and 17.1%,respectively,as compared with that of the control.These four varieties demonstrated good field performance,medium maturity,high resistance to lodging and diseases,high yield,and excellent grain quality.Therefore, they may be adopted for large -scale demonstration and promotion in Tianzhu County and other areas with similar ecological conditions.