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当前位置: 首页 > 文章 > Alternate Furrow Irrigation: A Practical Way to Improve Grape Quality and Water Use Efficiency in Arid Northwest China 农业科学学报 (英文) 2013,12 (3)
Position: Home > Articles > Alternate Furrow Irrigation: A Practical Way to Improve Grape Quality and Water Use Efficiency in Arid Northwest China Journal of Integrative Agriculture 2013,12 (3)

Alternate Furrow Irrigation: A Practical Way to Improve Grape Quality and Water Use Efficiency in Arid Northwest China

作  者：
Du Tai-sheng;Kang Shao-zhong;Yan Bo-yuan;Zhang Jian-hua
单  位：
Chinese Univ Hong Kong, State Key Lab Agrobiotechnol, Hong Kong, Hong Kong, Peoples R China;Chinese Univ Hong Kong, Sch Life Sci, Hong Kong, Hong Kong, Peoples R China;China Agr Univ, Ctr Agr Water Res China, Beijing 100083, Peoples R China
关键词：
alternate furrow irrigation;partial root-zone irrigation;fruit yield;water use efficiency;fruit quality;grape (Vitis vinifera L.)
摘  要：
Field experiments were conducted for two years to investigate the benefits of alternate furrow irrigation on fruit yield, quality and water use efficiency of grape (Vitis vinifera L. cv. Rizamat) in the arid region of Northwest China. Two irrigation treatments were included, i.e., conventional furrow irrigation (CFI, two root-zones were simultaneously irrigated during the consecutive irrigation) and alternate partial root-zone furrow irrigation (AFT, two root-zones were alternatively irrigated during the consecutive irrigation). Results indicate that AFT maintained similar photosynthetic rate (P-n) but with a reduced transpiration rate when compared to CFI. As a consequence, AFI improved water use efficiency based on evapotranspiration (WUEET, fruit yield over water consumed) and irrigation (WUEI, fruit yield over water irrigated) by 30.0 and 34.5%, respectively in 2005, and by 12.7 and 17.7%, respectively in 2006. AFT also increased the edible percentage of berry by 2.91-4.79% significantly in both years. Vitamin C (V-c) content content of berry was increased by 25.6-37.5%, and tritrated acidity (TA) was reduced by 9.5-18.1% in AFI. This resulted in an increased total soluble solid content (TSS) to TA ratio (TSS/TA) by 11.5-16.7% when compared to CFI in both years. Our results indicate that alternate furrow irrigation is a practical way to improve grape fruit quality and water use efficiency for irrigated crops in arid areas.

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