| 不同倍性杨桃抗逆性及光和特性的生理测定 |
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| 引用本文： | 刘雪松,郭启高,梁国鲁.不同倍性杨桃抗逆性及光和特性的生理测定[J].热带农业科技,2008,31(2). |
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| 作者姓名： | 刘雪松 郭启高 梁国鲁 |
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| 作者单位： | 西南大学,园艺园林学院,重庆,400716 |
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| 摘 要： | 通过对2x、3x、4x杨桃的叶片相对电渗率、光合作用速率、叶绿素含量的测定表明,3x杨桃的抗寒性显著强于4x和2x杨桃,而2x、4x杨桃的耐热性较强且差异不大;2x杨桃光合作用速率最低,其次为3x杨桃,4x杨桃相对最高;3x杨桃的叶绿素含量最高,2x杨桃的含量最低。
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| 关 键 词： | 杨桃 多倍体 叶片相对电渗率 光合作用速率 叶绿素含量 |
Physiological Determination of Stress Tolerance and Photosynthesis Characteristic for Carambola with Different Ploids |
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| LIU Xue-song,GUO Qi-gao,LIANG Guo-lu.Physiological Determination of Stress Tolerance and Photosynthesis Characteristic for Carambola with Different Ploids[J].Tropical Agricultural Science & Technology,2008,31(2). |
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| Authors: | LIU Xue-song GUO Qi-gao LIANG Guo-lu |
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| Abstract: | Experiment was carried out to determine the leaf electrolyte leakage, photosynthesis speed and chlorophyll content of carambola with different ploids, the results showed that triploid carambola had more strong chilling resistance than carambola with tetraploid and diploid, and there was no different in heat tolerance between tetraploid and diploid carambola. Besides, different ploid carambola had the different photosynthesis speed, the tetraploid was the highest, then following the triploid and diploid. triploid carambola had the highest chlorophyll content while the diploid had the lowest. |
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| Keywords: | carambola polyploid leaf electrolyte leakage photosynthesis speed chlorophyll |
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