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为了筛选出适应冀西北地区的苜蓿品种,试验以10个苜蓿品种作为试验对象,在冀西北的坝下地区进行品种比较试验,通过测定供试苜蓿品种的部分地上指标、根颈指标和根系指标,并将所测指标进行方差分析和聚类分析,从而对这些苜蓿品种的适应性进行评价。结果表明:各苜蓿品种间的形态学指标之间存在明显差异,中苜1号、YL80和中草3号三个品种的地上指标、根颈特征和地下指标均处于优势地位;通过聚类分析可将供试苜蓿品种材料分为三类:第一类只包括YL80,第二类包括中苜1号和中草3号,第三类包括皇冠、YL702、巨能耐盐、阿尔冈金、龙牧801、YL604和驯鹿。说明中苜1号、YL80和中草3号可作为优势品种在当地推广种植。
In order to select the alfalfa varieties that adapt to the northwest of Hebei Province, 10 alfalfa varieties were selected as test objects, and comparative experiments were carried out in the lower bar area of northwestern Hebei Province. By measuring some of the aboveground, root and neck indexes and root indexes of alfalfa cultivars, , And the measured index analysis of variance and cluster analysis to evaluate the adaptability of these alfalfa varieties. The results showed that there was a significant difference between the morphological indexes of different alfalfa cultivars. The aboveground indexes, root and neck characteristics and underground indexes of Zhonglu 1, YL80 and Zhongcao 3 were all dominant. By cluster analysis The test alfalfa varieties can be divided into three categories: the first category includes only YL80, the second category includes Zhongmu 1 and Zhongcao 3, the third category includes crown, YL702, giant can salt, Algonquin, dragon Animal husbandry 801, YL604 and reindeer. Description of the alfalfa No. 1, YL80 and No. 3 in the grass can be used as a dominant species in the local promotion of planting.