| 杜吉到,蔡纯意.不同密度下大豆根部性状的研究[J].干旱地区农业研究,2011,29(4):219~222 |
| 不同密度下大豆根部性状的研究 |
| Research of soybean root traits in different densities |
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| DOI：10.7606/j.issn.1000-7601.2011.04.40 |
| 中文关键词: 大豆 密度 根部性状 相关性 |
| 英文关键词:soybean density root traits correlation |
| 基金项目:国家“十五”科技攻关项目（2004BA907A26-0206） |
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| 中文摘要: |
| 通过对３种密度下大豆根部性状的研究，分析了根部性状间的相关性。试验结果表明：根系宽、根体积、根干重及伤流量在耕层内表现出较明显的规律性，随密度增加而降低；根系宽与根干重、根体积之间，根体积与根干重之间，伤流量与根干重、根体积之间都存在着极显著的正相关，且均能拟合出显著或极显著的回归方程。常规条件下反映大豆根部性状最简单
、准确的指标是根干重和根体积。 |
| 英文摘要: |
| Soybean root traits under three different densities were analysed. The results show that, root width, root volume, root dry weight and bleeding sap quantity were regular well within plough layer, overall, there's a trend that these root traits reduced with density increased. There were significant positive correlation between root width and root dry weight, roots width and roots volume, roots volume and root dry weight, bleeding sap quantity and root dry weight, bleeding sap quantity and root volume. Root dry weigh and root volume were the most simple and accurate indicators for evaluating root traits. |
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