| Relationship between photosynthesis and leaf ages of grapevine under enhanced ultraviolet-B radiation |
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| DOI：10.7606/j.issn.1000-7601.2007.04.42 |
| Key Words: Ultraviolet-B radiation grapevine leaf ages photosynthesis |
| Author Name | Affiliation | | ZHOU Xin-ming | College of Enology, Northwest A ＆F University, Yangling, Shaanxi 712100, China | | XI Zhu-mei | College of Enology, Northwest A ＆F University, Yangling, Shaanxi 712100, China | | JIAO Xu-liang | College of Enology, Northwest A ＆F University, Yangling, Shaanxi 712100, China | | ZHANG Zhen-wen | College of Enology, Northwest A ＆F University, Yangling, Shaanxi 712100, China | | WU Lu-yang | Shaanxi university of science and technology, Xi'an, Shaanxi 710000, China |
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| Abstract: |
| Under natural sunlight conditions, the relationship between photosynthesis and leaf ages of grapevine(Cabernet Sauvignon) under enhanced ultraviolet-B radiation was studied. The results showed that: Under the treatments of enhanced lower UV-B radiation, the photosynthesis of grapevine obviously increased with leaf ages, and under the treatments of enhanced higher UV-B radiation, the grapevine photosynthesis decreased, but it was not significant compared to that of the control. It suggested that the grapevine have strong adaptability to UV-B radiation, and appropriate enhanced UV-B radiation could increase the photosynthesis of grapevine leaves. |
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