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An investigation to enhance understanding of the stimulation of weed seedling emergence by soil disturbance

Opened Access An investigation to enhance understanding of the stimulation of weed seedling emergence by soil disturbance

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Autor: Schulte, B. J.
Tomasek, B. J.
Davis, A. S.
Andernson, L.
Urbano Fuentes-Guerra, José María
Departamento: Universidad de Sevilla. Departamento de Ciencias Agroforestales
Fecha: 2014
Publicado en: Weed Science, 2013 (54), 1-12.
Tipo de documento: Artículo
Resumen: Enhanced understanding of soil disturbance effects on weed seedling recruitment will help guide improved management approaches. Field experiments were conducted at 16 site-years at 10 research farms across Europe and North America to (i) quantify superficial soil disturbance (SSD) effects onChenopodium album emergence and (ii) clarify adaptive emergence behaviour in frequently disturbed environments. Each site-year contained factorial combinations of two seed populations (local and common, with the common population studied at all site-years) and six SSD timings [0, 50, 100, 150, 200 day-degrees (d°C, base temperature 3°C) after first emergence from undisturbed soil]. Analytical units in this study were emergence flushes. Flush magnitudes (maximum weekly emergence per count flush) and flush frequencies (flushes year−1) were compared between disturbed and undisturbed seedbanks. One year after burial, SSD promoted seedling emergence relative to undisturbed seedbanks by increasing flush ...
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Cita: Schulte, B.J., Tomasek, B.J., Davis, A.S., Andernson, L. y Urbano Fuentes-Guerra, J.M. (2014). An investigation to enhance understanding of the stimulation of weed seedling emergence by soil disturbance. Weed Science, 2013 (54), 1-12.
Tamaño: 406.5Kb
Formato: PDF

URI: https://hdl.handle.net/11441/71813

DOI: 10.1111/wre.12054

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