| 西瓜主要农艺性状与裂果性状的相关及通径分析 |
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| 引用本文： | 江海坤,袁希汉,章镇,张其安,苏小俊,徐海,宋波,陈龙正,安林海,单奇伟.西瓜主要农艺性状与裂果性状的相关及通径分析[J].中国蔬菜,2009,1(16):31-35. |
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| 作者姓名： | 江海坤 袁希汉 章镇 张其安 苏小俊 徐海 宋波 陈龙正 安林海 单奇伟 |
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| 作者单位： | 1.南京农业大学园艺学院，江苏南京 210095；2江苏省农业科学院蔬菜研究所，江苏南京 210014；3安徽省农业科学院园艺研究所，安徽合肥 230036 |
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| 摘 要： | 对西瓜的14个农艺性状进行相关与通径分析。相关分析结果表明，裂果率与果皮厚度、外果皮木质化程度呈显著或极显著相关。经过逐步回归，10个性状与裂果有直接和间接效应，决定系数为1.000，剩余通径系数为0.001 8。外果皮木质化程度对裂果的直接作用最大，直接通径系数达到0.796，可将其作为筛选抗裂品种的重要参考性状。
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| 关 键 词： | 西瓜 裂果 农艺性状 通径分析 |
| 收稿时间： | 2008-11-19; |
Correlation and Path Analysis between the Main Agronomic and Fruit-cracking Traits of Watermelon |
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| JIANG Hai-kun,YUAN Xi-han,ZHANG Zhen,ZHANG Qian,SU Xiao-jun,XU Hai,SONG Bo,CHEN Long-zheng,AN Lin-hai,SHAN Qi-wei.Correlation and Path Analysis between the Main Agronomic and Fruit-cracking Traits of Watermelon[J].China Vegetables,2009,1(16):31-35. |
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| Authors: | JIANG Hai-kun YUAN Xi-han ZHANG Zhen ZHANG Qian SU Xiao-jun XU Hai SONG Bo CHEN Long-zheng AN Lin-hai SHAN Qi-wei |
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| Institution: | 1.College of Horticulture,Nanjing Agricultural University,Nanjing 210095,Jiangsu,China;2.Institute of Vegetables, Jiangsu Academy of Agricultural Sciences,Nanjing 210014,Jiangsu,China;3.Institute of Horticulture,Anhui Academy of Agricultural Sciences,Hefei 230036,Anhui,China |
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| Abstract: | The correlation and path analysis on 14 agronomic traits of watermelon were studied.The results of correlation analysis showed that the thickness of skin and lignifications degree of epicarps were significantly related to fruit cracking rate.The gradual regression analysis revealed that 10 traits have direct and indirect effects on fruit cracking.The determine coefficient is 1.000 and the rest path coefficient is 0.001 8.Because of the direct path coefficient reaches 0.796,the lignifications degree of epicarps plays an important role on fruit cracking.So it can be taken as a main selective trait for anti-cracking variety. |
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