| 大花蕙兰开花期的光合日变化研究 |
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| 引用本文： | 宋丽莎,乙引,张习敏,邹晶.大花蕙兰开花期的光合日变化研究[J].贵州农业科学,2010,38(8). |
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| 作者姓名： | 宋丽莎 乙引 张习敏 邹晶 |
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| 作者单位： | 1. 贵州师范大学,生命科学学院,贵州,贵阳,550001;黔南民族师范学院,贵州,都匀,558000
2. 贵州师范大学,生命科学学院,贵州,贵阳,550001 |
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| 基金项目： | 贵州省科技创新人才团队项目"贵州省特色植物资源保护与可持续利用科技创新人才团队" |
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| 摘 要： | 为探明大花蕙兰开花期的光合日变化特性,采用Li-6400便携式光合作用测定系统研究大花蕙兰开花期的光合日变化。结果表明:红霞、金茉莉的Pn、Tr和Cond日变化曲线均呈双峰型,13:00左右存在明显的光合午休现象,但不同品种Pn、Tr和Cond的高峰和低谷出现的时间和高低不同。金茉莉的Pn、Tr优于引进品种红霞。推测2个品种的光合作用的限制因子主要是气孔因素。
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| 关 键 词： | 大花蕙兰 日变化 蒸腾速率 气孔导度 |
Study on Diurnal Variation of Photosynthesis of Hybrid Cymbidium |
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| SONG Li-sha,YI Yin,ZHANG Xi-min,ZOU Jing.Study on Diurnal Variation of Photosynthesis of Hybrid Cymbidium[J].Guizhou Agricultural Sciences,2010,38(8). |
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| Authors: | SONG Li-sha YI Yin ZHANG Xi-min ZOU Jing |
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| Institution: | SONG Li-sha1,2,YI Yin1,ZHANG Xi-min1,ZOU Jing1(1.School of Life Sciences,Guizhou Normal University,Guiyang,Guizhou 550001,2.Qiannan Nationality Normal College,Duyun,Guizhou 558000,China) |
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| Abstract: | The photosynthetic diurnal variation of Hybrid Cymbidium at flowering stage was determined by Li-6400 portable photosyntometer to study the characteristics of photosynthetic diurnal variation.The results showed that the diurnal variation of Pn,Tr and Cond of Hongxia and Jinmoli varieties presented a double-peak curve with midday rest phenomenon at about 13:00,but there were difference in appearing time and peak value of highest and lowest peak,and the Pn and Tr of Jingmoli variety were higher than Hongxia v... |
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| Keywords: | Hybrid Cymbidium diurnal variation transpiration rate Cond |
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