不同苜蓿品种在晋北地区的适应性

在半干旱的晋北地区,对24个国内外紫花苜蓿品种进行了品比试验。结果表明,各品种当年生育期差异不显著,次年05594和05604返青早,不同品种现蕾初花期差异显著;在2a产草量中,有5个品种第2年的增产幅度比对照阿尔岗金高。综合评价认为,05601、新疆大叶、龙牧803增产显著,抗旱抗寒性强,适宜在晋北地区大面积种植。

Performance of 24 Alfalfa Varieties in Northern Shanxi

In the semi-arid northwest Shanxi province,performance testing were conducted with 24 domestic and introduced alfalfa(Medicago sativa) varieties.The results showed:There were no differences between varieties in growth period in the first year,but in the next year,05594 and 05604 became green earlier than the other varieties and there were significant difference in flower budding for all varieties.The analysis of two fresh production showed a 1.06%～15.07% significant increase in the 2nd year for 5 alfalfa varieties than the CK.The comprehensive assessment for varieties 05601,Xinjiang Daye and Longmu 803 due to their remarkable yield improvement,stong drought and cold-resistance,so they were suitable for wide utilization in northern Shanxi.