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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/4482

Title: Enrelvamento no olival - efeito da rega no crescimento vegetativo, na produção e na qualidade do azeite
Authors: Garcia, António de Aragão Cravo
Advisor: Monteiro, Ana Maria da Silva
Martín, Maria Dolores Humanes
Keywords: Olea europaea
deficit irrigation
olive oil composition
natural vegetation
Issue Date: 2011
Publisher: ISA/UTL
Citation: Garcia, António de Aragão Cravo - Enrelvamento no olival - efeito da rega no crescimento vegetativo, na produção e na qualidade do azeite. Lisboa: ISA, 2011
Abstract: The effect of deficit irrigation (10% ETc) on olive tree growth, production, oil quality and natural vegetation from a traditional olive grove, with natural cover crop between rows, in southern Portugal, was assessed during 2010/2011. The diversity of natural vegetation and the influence of irrigation in the present species were low. The most plant species were annuals. Significant differences on the vegetative growth between treatments were not found. Nevertheless, the number of fruits was significantly lower in rain-fed conditions. This result demonstrated that water stress could significantly reduce the number of flowers by inflorescence, the fruit set or the canopy area. Consequently, because of the less competition of fruits, it had higher weight, oil yield and its ripeness was more precocious. However, the yield was significantly higher in the irrigation treatment due to the higher number of fruits. The irrigation had no influence on the chemical characteristics of olive oil. However, sensory olive oils from rain-fed conditions treatment were more fruity, bitter and spicy. Even so, any treatment had negative impact on the commercial value of produced oils, both classified as „„extra virgin‟‟.
Description: Mestrado em Engenharia Agronómica - Hortofruticultura e Viticultura - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/4482
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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