| 10个引进紫花苜蓿品种生产性能及持久性比较 |
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| 引用本文： | 初晓辉,单贵莲,毕玉芬,薛世明,匡崇义.10个引进紫花苜蓿品种生产性能及持久性比较[J].草业科学,2012,29(4):610-614. |
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| 作者姓名： | 初晓辉 单贵莲 毕玉芬 薛世明 匡崇义 |
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| 作者单位： | 云南农业大学草业科学系;云南省草地动物科学研究院 |
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| 基金项目： | 农业部公益行业项目“人工草地优质牧草生产技术研究与示范(nyhyzx07-022)”;云南省自然科学基金面上项目(2010CD061) |
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| 摘 要： | 以国外引进的10个紫花苜蓿（Medicago sativa）品种为试验材料，通过对其产草量及营养品质进行测定，探讨引进紫花苜蓿品种在昆明地区的生产性能和持久性，为我国南方地区紫花苜蓿的引种栽培提供参考。结果表明，1）生长第2年、第6年，10个引进紫花苜蓿品种的产草量、株高、叶茎比、粗蛋白、粗脂肪、粗灰分含量以GT13R、射手2号显著高于其他品种，而粗纤维（CF）含量显著低于其他品种（P＜0.05）；2）随着生长年限由第2年延长至第6年，10个引进紫花苜蓿品种的生产性能和营养品质均呈下降趋势，以品种爱林+2和超级13R下降最为显著；3）灰色关联综合评价结果表明，品种GT13R和射手2号生产性能和持久性最好，是最适宜在昆明地区种植的品种；品种射手、爱博、爱林+2和超级13R的生产性能和持久性较差，不适宜在云南省北亚热带气候条件建植多年生栽培草地。
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| 关 键 词： | 紫花苜蓿 生产性能 持久性 综合评价 |
Production performance and persistence of ten introduced alfalfa varieties |
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| CHU Xiao-hui,SHAN Gui-lian,BI Yu-fen,XUE Shi-ming,KUANG Chong-yi.Production performance and persistence of ten introduced alfalfa varieties[J].Pratacultural Science,2012,29(4):610-614. |
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| Authors: | CHU Xiao-hui SHAN Gui-lian BI Yu-fen XUE Shi-ming KUANG Chong-yi |
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| Institution: | 1.Pasture Science Department,Yunnan Agricultural University,Kunming 650201,China; 2.Yunnan Academy of Grassland and Animal Science,Kunming 650212,China) |
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| Abstract: | A field survey on 2-years and 6-years alfalfa pasture was conducted to compare the production performance and persistence of ten introduced varieties in the Kunming regions by measuring the productive and nutritional parameters.The results of this study showed that the yield,height,leaf to stem ratio,crude protein content,crude fat content and crude ash content of GT13R and Archer II varieties were significantly higher than those of other eight varieties,and the crude fiber content of GT13R and Archer II varieties was significantly lower than that of other eight varieties for 2-years and 6-years alfalfa pasture(P<0.05).The yield and nutritional quality of ten alfalfa varieties decreased as the growth time increased from 2 years to 6 years and the decrement of Arriba and 13R Supreme was the most.The Grey Relational Analysis results showed that the GT13R and Archer II performed well from yield and persistence and were suitable for planting in the Kunming regions,and the Archer,Arriba,Abilence +2 and 13R Supreme showed a poor production performance and persistence and were unsuitably used to establish the perennial artificial pasture in the north subtropical zone of Yunnan,which would provide useful information for introducing alfalfa varieties in the southern China. |
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| Keywords: | alfalfa production performance persistence comprehensive evaluation |
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