| 多年生黑麦草高温半致死温度与耐热性研究 |
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| 引用本文： | 石永红,万里强,刘建宁,王运琦,吴欣明,李向林. 多年生黑麦草高温半致死温度与耐热性研究[J]. 草业科学, 2010, 27(2): 104-108. DOI: 10.3969/j.issn.1001-0629.2010.02.019 |
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| 作者姓名： | 石永红 万里强 刘建宁 王运琦 吴欣明 李向林 |
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| 作者单位： | 山西省农业科学院畜牧兽医研究所,山西,太原,030032;中国农业科学院北京畜牧兽医研究所,北京,100193 |
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| 基金项目： | 基本科研业务费专项研究基金(2009td-2);;国家科技支撑计划基金(2006BAD16B07、2007BAD56B02);;“948”项目(2006-G38);;山西省农科院博士基金(YBSJJ0704) |
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| 摘 要： | 运用电导率法对多年生黑麦草Lolium perenne的6个坪用品种和6个牧用品种进行耐热性测定。叶片经梯度高温处理后,处理温度与细胞伤害率之间呈"S"型曲线,经显著性检验符合Logistic方程。通过Logistic拐点确定半致死温度,得出6个坪用品种耐热性的强弱次序是:爱神特卡特顶峰百舸首相球道;6个牧用品种耐热性的强弱次序是雅晴欧必克努依多福凤凰卓越。
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| 关 键 词： | 多年生黑麦草 高温胁迫 耐热性 半致死温度 |
Semi-lethal high temperature and heat tolerance of twelve varieties of Lolium perenne |
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| SHI Yong-hong,WAN Li-qiang,LIU Jian-ning,WANG Yun-qi,WU Xin-ming,LI Xiang-lin. Semi-lethal high temperature and heat tolerance of twelve varieties of Lolium perenne[J]. Pratacultural Science, 2010, 27(2): 104-108. DOI: 10.3969/j.issn.1001-0629.2010.02.019 |
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| Authors: | SHI Yong-hong WAN Li-qiang LIU Jian-ning WANG Yun-qi WU Xin-ming LI Xiang-lin |
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| Affiliation: | 1.Animal Husbandry and Veterinary Institute;Shanxi Academy of Agricultural Sciences;Shanxi Taiyuan 030032;China;2.Institute of Animal Science;CAAS;Beijing 100193;China |
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| Abstract: | The heat tolerance of twelve varieties of Lolium perenne was tested with the electrical conductivity method.A sigmoid response curve with Logistic equation existed between the rate of injured cells of leaves and treatment temperature.The semi-lethal temperature obtained by seeking the point of inflexion on the curve.The heat tolerance of six turfgrass varieties in the decreased order were Accent,Cutter,Pinnacle,Bartwingo,Premier and Fairway,and for six forage varieties in the decreased order were Yatsyn,Oup... |
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| Keywords: | Lolium perenne high temperature stress semi-lethal temperature heat tolerance |
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