| 南方红壤地区耐低磷柱花草基因型筛选 |
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| 引用本文： | 张富林,董晓英,沈仁芳.南方红壤地区耐低磷柱花草基因型筛选[J].江苏农业学报,2009,25(3). |
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| 作者姓名： | 张富林 董晓英 沈仁芳 |
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| 作者单位： | 1. 中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室,江苏南京210008;中国科学院研究生院,北京100049
2. 中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室,江苏南京,210008 |
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| 基金项目： | 中科院知识创新工程重要方向项目 |
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| 摘 要： | 在盆栽条件下,采用低磷下产量和减少磷肥施用量后产量降低幅度2个指标,并结合低磷下磷吸收能力和利用能力,对我国南方红壤区种植的14个柱花草基因型的耐低磷特点进行了分析.结果表明,14个基因型中,Z13是比较稳定的耐低磷基因型,而Z19和Z29是较不耐低磷的基因型;与Z19和Z29相比,Z13之所以耐低磷主要是由于其在低磷下对磷的吸收能力比较强.
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| 关 键 词： | 红壤 柱花草 低磷 耐性 筛选 |
Screening of Stylosanthes guianensis Genotypes Tolerant to Low Phosphorus Stress on Acid Soil of South China |
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| ZHANG Fu-lin,DONG Xiao-ying,SHEN Ren-fang.Screening of Stylosanthes guianensis Genotypes Tolerant to Low Phosphorus Stress on Acid Soil of South China[J].Jiangsu Journal of Agricultural Sciences,2009,25(3). |
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| Authors: | ZHANG Fu-lin DONG Xiao-ying SHEN Ren-fang |
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| Institution: | 1.State Key Laboratory of Soil and Sustainable Agriculture;Institute of Soil Science;Chinese Academy of Sciences;Nanjing 210008;China;2.Graduate University of Chinese Academy of Sciences;Beijing 100049;China |
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| Abstract: | Tolerance of 14 Stylosanthes guianensisgenotypes,growing acid soil in the South of China,to low phosphorus stress were compared by using their yields at low phosphorus level and decrease degree of yield,and their phosphorus uptake and utilization efficiency were analyzed.The results showed that Stylosanthes guianensis cv.Z13 was tolerant genotype,and Stylosanthes guianensis cv.Z19 and Stylosanthes guianensis cv.Z29 were not tolerant genotypes.Compared with the two intolerant genotypes Stylosanthes guianensi... |
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| Keywords: | red soil Stylosanthes guianensis low phosphorus tolerance screening |
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