| 南通扁豆品种主要农艺性状的相关性和通径分析 |
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| 引用本文： | 宋益民,章洪娟,邱海荣,姜永平.南通扁豆品种主要农艺性状的相关性和通径分析[J].中国农学通报,2015,31(7):61-65. |
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| 作者姓名： | 宋益民 章洪娟 邱海荣 姜永平 |
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| 作者单位： | 江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所 |
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| 基金项目： | 南通市科技创新基金项目“高产、优质设施扁豆品种选育及其配套栽培技术研究”(HL2013032) |
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| 摘 要： | 对16个南通地方扁豆品种的10个主要农艺性状进行相关性分析及通径分析。结果表明，小区产量的变异系数较大，达到44.62%，而始收天数性状的变异系数仅为3.15%；百荚重与荚长等4对性状间呈极显著相关，7个性状与小区产量呈正相关；每荚粒数对小区产量的直接通径系数最大（P＝0.7054），因此对每荚粒数进行直接选择是扁豆高产育种的有效方法；荚宽对小区产量的负向直接作用最大（P＝-0.5299），因此在育种过程中选择荚宽较小的品种有利于获得高产，但荚宽过小会降低每荚粒数，从而影响产量性状。
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| 关 键 词： | 投入产出 投入产出 农业 一元回归分析 奇台县 |
| 收稿时间： | 9/5/2014 12:00:00 AM |
| 修稿时间： | 2015/2/17 0:00:00 |
Correlation and Path analysis on Major Agronomic Characters of Lablab purpureus from Nantong |
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| Song Yimin;Zhang Hongjuan;Qiu Hairong;Jiang Yongping.Correlation and Path analysis on Major Agronomic Characters of Lablab purpureus from Nantong[J].Chinese Agricultural Science Bulletin,2015,31(7):61-65. |
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| Authors: | Song Yimin;Zhang Hongjuan;Qiu Hairong;Jiang Yongping |
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| Institution: | Song Yimin;Zhang Hongjuan;Qiu Hairong;Jiang Yongping;Institute of Agricultural Sciences of the Changjiang River Bank District; |
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| Abstract: | To improve the rationality of parent matching of lentils in breeding, using correlation analysis and path analysis method, the author studied the correlation of various characters of the local lentils from Nantong and evaluated their correlation degree. The results showed that the variation coefficient of plot yield was higher than that of the other 9 major agronomic characters, reached 44.62%, while the variation coefficient of days from sowing to first harvesting stage was only 3.15%. 4 pairs of the traits, such as hundred-grain weight and seed length etc. showed highly significant correlation. 7 pairs of the traits, such as hundred-grain weight and seed width etc. had significant correlation. The direct path coefficient of seed numbers of per pod to plot yield was the biggest (P＝0.7054) among 10 characters, so the direct selection of seed numbers of per pod was an effective method for high yield breeding of Lablab purpureus. The plot yield was negatively affected mostly by pot width. Therefore, to select smaller pot width during the breeding process was beneficial to obtain high yield. Meanwhile, if the pod width was too small to reduce seed numbers of per pod, the yield would be affected. |
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| Keywords: | Lablab purpureus agronomic characters variation coefficient correlation analysis path analysis |
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