| 竹节草种质资源抗寒性初步评价研究 |
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| 引用本文： | 廖丽,蒋仁娇,刘建秀,张欣怡,陈菊梅,白昌军,王志勇,徐毓皎. 竹节草种质资源抗寒性初步评价研究[J]. 热带作物学报, 2016, 37(2): 234-240. DOI: 10.3969/j.issn.1000-2561.2016.02.004 |
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| 作者姓名： | 廖丽 蒋仁娇 刘建秀 张欣怡 陈菊梅 白昌军 王志勇 徐毓皎 |
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| 作者单位： | 1. 海南大学农学院/热带作物种质资源保护与开发利用教育部重点实验室,海南海口,570228;2. 江苏省中国科学院植物研究所,江苏南京,210014;3. 中国热带农业科学院热带作物品种资源研究所,海南儋州,571737 |
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| 基金项目： | 国家自然科学基金项目（No. 31260489）。 |
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| 摘 要： | 以85份竹节草种质资源为材料,利用2014年和2015年观测的叶片电导率、田间枯黄率和形态数据为指标进行抗寒性分析。结果表明:不同竹节草种质资源间抗寒性达极显著相关(p0.01),在一定程度范围内,植株密度越大,叶片宽度越大,坪用质量越高,则电导率越小,抗寒性越强。相关性分析结果表明,竹节草的叶片电导率和田间枯黄率与外部形态指标间存在极显著相关(p0.01),相关系数最高达到0.867。竹节草抗寒性与植株密度、叶宽、坪用质量呈显著相关(p0.05)。本研究为进一步开展竹节草优异种质选育提供理论依据。
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| 关 键 词： | 竹节草 种质资源 抗寒性 相关性 |
Evaluation of Chrysopogon aciculatus Accessions for Cold Tolerance |
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| LIAO Li,JIANG Renjiao,LIU Jianxiu,ZHANG Xinyi,CHEN Jumei,BAI Changjun,WANG Zhiyong and XU Yujiao. Evaluation of Chrysopogon aciculatus Accessions for Cold Tolerance[J]. Chinese Journal of Tropical Crops, 2016, 37(2): 234-240. DOI: 10.3969/j.issn.1000-2561.2016.02.004 |
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| Authors: | LIAO Li JIANG Renjiao LIU Jianxiu ZHANG Xinyi CHEN Jumei BAI Changjun WANG Zhiyong XU Yujiao |
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| Affiliation: | Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University;Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University;Institute of Botany, Jiangsu Province and Chinese Academy of Sciences;Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University;Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University;Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences;Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University;Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education/ College of Agronomy, Hainan University |
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| Abstract: | |
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| Keywords: | Chrysopogon aciculatus Germplasm resource Cold resistance Correlation analysis |
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