| 4种羊茅属牧草幼苗抗寒性比较 |
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| 引用本文： | 梁国玲,周青平,颜红波,刘文辉.4种羊茅属牧草幼苗抗寒性比较[J].青海畜牧兽医杂志,2009,39(2):4-8. |
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| 作者姓名： | 梁国玲 周青平 颜红波 刘文辉 |
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| 作者单位： | 青海省畜牧兽医科学院草原所,西宁,810016 |
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| 基金项目： | 农业部资助项目，行业专项基金，科技部资助项目 |
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| 摘 要： | 对羊茅属4种牧草幼苗在低温胁迫下的抗寒性进行了比较研究。研究表明：低温下，各牧草细胞膜透性、丙二醛含量、脯氨酸含量均随着低温胁迫强度的增大和时间的延长呈显著增大趋势（P〈0．05），且种间也具显著差异（P〈0．05）；低温胁迫下各牧草电导率和丙二醛、电导率和脯氨酸、脯氨酸和丙二醛间均存在显著相关关系，但单一指标并不能准确鉴定出各牧草抗寒能力的强弱。综合分析表明，在评价羊茅属牧草的抗寒性时，应优先选择相对细胞膜透性、丙二醛含量作为鉴定植物抗寒性的指标；4种牧草幼苗的抗寒性为：中华羊茅最好，西北羊茅和毛稃羊茅次之，法恩苇状羊茅最差。
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| 关 键 词： | 羊茅属 幼苗 抗寒件 |
Study on resistance cold of four species of Festuca L.in seedings stage |
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| LIANG Guo-ling et al..Study on resistance cold of four species of Festuca L.in seedings stage[J].Chinese Qinghai Journal of Animal and Veterinary Sciences,2009,39(2):4-8. |
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| Authors: | LIANG Guo-ling |
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| Institution: | Qinghai Academy of Animal Science and Veterinary Medicine;Xining;Qinghai Provine;810016 |
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| Abstract: | Resistance cold was studied on four species of Festuca forage in seedings stage under low tempretue stress.The resuIts indicated that cell membrane permeability,malondialdehyde contents,proline contents of every herbage had significant increasedly trend with increasing the low temperature stress intensive and time extending(P<0.05),there is significant difference between species(P<0.05).cell membrane permeability and malondialdehyde,cell membrane permeability and proline,proline and malondialdehyde exist si... |
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| Keywords: | Festuca L Seedings stage resistance cold |
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