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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/4066

Title: Vegetação infestante da linha ferroviária do Oeste. Controlo químico de Equisetum
Authors: Lavrador, Filipe Alexandre Casaca
Advisor: Monteiro, Ana Maria da Silva
Bastos, Manuel António Sousa
Keywords: Equisetum
railway
flora
weeds
weed management
herbicides
Issue Date: 2011
Publisher: ISA/UTL
Citation: Lavrador, Filipe Alexandre Casaca - Vegetação infestante da linha ferroviária do Oeste. Controlo químico de Equisetum. Lisboa: ISA, 2011
Abstract: This study presents a characterization of vegetation composition in Oeste railway line of Portugal, owned by REFER EPE, with 196,947 kilometres between the towns of Agualva- Cacém and Figueira da Foz in Western Portugal. At 2010 Spring, inquiries were made at REFER EPE and at 2011 Spring, 109 weed surveys were made in three locations on railway track profile, plus an adjacent area. 372 taxa were recorded and distributed in 75 families, with predominance of Fabaceae, Asteraceae e Poaceae. The taxon Equisetum ramosissimum was the only with a high infestation degree, showing a relative frequency of 30,3% and a mean abundance of 20,7 plants per square metre. The bank area was, in some critical areas, colonized by perennial invasive species. Considering that the genus Equisetum was frequent and abundant, a field assay with different concentrations of flazasulfuron and triclopyr+aminopyralid was carried out. Three months after herbicide application the best efficacy was obtained with 0,30 g L-1 of flazasulfuron (90%) and 1002 g L-1 (80%) triclopyr+aminopyralid.
Description: Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/4066
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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