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Open AccessArticle

Response of Table Grape to Irrigation Water in the Aconcagua Valley, Chile

1
Instituto de Investigaciones Agropecuarias, INIA La Platina, Santa Rosa 1161, Santiago, Chile
2
Roma N° 90, San Esteban, Los Andes 2120000, Chile
*
Author to whom correspondence should be addressed.
Academic Editor: Yantai Gan
Agronomy 2015, 5(3), 405-417; https://doi.org/10.3390/agronomy5030405
Received: 24 April 2015 / Revised: 14 August 2015 / Accepted: 18 August 2015 / Published: 24 August 2015
(This article belongs to the Special Issue Advanced Agronomy with Impact for Food Security)
The irrigation water available for agriculture will be scarce in the future due to increased competition for water with other sectors, and the issue may become more serious due to climate change. In Chile, the table grape is only cultivated under irrigation. A five-year research program (2007–2012) was carried out in the Aconcagua Valley, the central area of grapes in Chile, to evaluate the response of table grape vines (Vitis vinifera L., cv Thompson Seedless) to different volumes of irrigation water. Four irrigation treatments were applied: 60, 88, 120 and 157% of crop evapotranspiration (ETc) during the first four years, and 40, 54, 92 and 108% of ETc in the last year. Irrigation over 90%–100% of ETc did not increase fruit yield, whereas the application of water below 90% ETc decreased exportable yield, berry size and pruning weight. For example, 60% ETc applied water reduced exportable yield by 20%, and only 40% of the berries were in the extra and large category size, while pruning weight was 30% lower in comparison to the treatment receiving more water. View Full-Text
Keywords: table grape; water production function; berry size; grapevine irrigation table grape; water production function; berry size; grapevine irrigation
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Zúñiga-Espinoza, C.; Aspillaga, C.; Ferreyra, R.; Selles, G. Response of Table Grape to Irrigation Water in the Aconcagua Valley, Chile. Agronomy 2015, 5, 405-417.

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