| Effects of enhanced UV-B radiation on the quality of grape fruits |
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| DOI：10.7606/j.issn.1000-7601.2010.01.30 |
| Key Words: UV-B grape quality |
| Author Name | Affiliation | | SUN Ying | College of Enology, Northwest A & F University, Yangling, Shaanxi 712100, China | | ZHANG Zhenwen | College of Enology, Northwest A & F University, Yangling, Shaanxi 712100, China；
Shaanxi Engineering Research Center for Viti-Viniculture, Yangling, Shaanxi 712100, China | | ZHANG Jingyu | College of Enology, Northwest A & F University, Yangling, Shaanxi 712100, China | | YANG Lifang | College of Enology, Northwest A & F University, Yangling, Shaanxi 712100, China | | GAO Mingliang | College of Enology, Northwest A & F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| On the basis of outdoor natural sunlight, four radiation intensities including 0μW/cm2 (CK), 10.2 μW/cm2 (T1), 20.7 μW/cm2 (T2) and 30.5 μW/cm2 of ultraviolet-B radiation were used to study their effects on growth and quality of the Vitis vinifera Cabernet Sauvignon. The results showed that enhanced ultraviolet radiation decreased grape size, yield and fruit coloration index. At the same time physiochemical indexes, such as reducing sugar, Titrable acid, A∕S and TSS were down (the sequence was: CK>T1>T2>T3) and the growth of grape were retarded to a certain extent. |
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