Comprehensive Evaluation of the Fast-growing Characters of 12 Alfalfa VarietiesChinese Full Text
ZHU Bo;SHI Shang-li;NI lei;ZHANG Li-juan;YANG Yan-xin;College of Pratacultural Science,Gansu Agricultural University/Key Laboratory of Grassland Ecosystem,Ministry of Education / Pratacultural Engineering Laboratory of Gansu Province / Sino-U. S. Centers for Grazingland Ecosystem Sustainability;
Abstract: In this study,two nutrition indexes and six agronomic characters including crude protein content（ CP）,relative feed value（ RFV）,plant height,tillering branches,fresh yields,hay yields,stem/leaf ratio,and plant numbers of 12 alfalfa varieties grown in the irrigated area of Hexi Corridor were evaluated by the grey correlation analysis model. The results showed that G,Xingjiang Daye,and I were the top three on the yield-index value system,Xingjiang Daye,I,H,and G were the top four on the nutritive-index value system,while G,Xingjiang Daye,and I were the top three on the general performance value system. In general,G,Xingjiang Daye,and I preformed well in the study area,which indicated that these three varieties were suitable for cultivation in the irrigated area of Hexi Corridor.
Keywords：
Alfalfa（Medicago sativa L.）; yield index; nutritive index; agronomic characters; grey correlation analysis;
- DOI：
10.13430/j.cnki.jpgr.2014.02.032
- Series：
- Subject：
- Classification Code：
S541.1
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