Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 511137
Title Unleached Prosopis litter inhibits germination but leached stimulates seedling growth of dry woodland species
Author(s) Muturi, Gabriel M.; Poorter, Lourens; Bala, Pauline; Mohren, Godefridus M.J.
Source Journal of Arid Environments 138 (2017). - ISSN 0140-1963 - p. 44 - 50.
Department(s) Forest Ecology and Forest Management
Publication type Refereed Article in a scientific journal
Publication year 2017
Keyword(s) Acacia tortilis - Allelopathy - Nutrients - Phenols
Abstract Prosopis chilensis-Prosopis juliflora hybrid (hereinafter referred to as Prosopis species) invade riverine Acacia woodlands and replace indigenous Acacia tortilis through mechanism that are not yet well understood. Therefore, we tested the hypothesis that dense shade and allelopathic effects of Prosopis species may reduce the germination and growth of A. tortilis more strongly than that of Prosopis species through greenhouse studies. We first evaluated the germination of A.tortilis and Prosopis species seeds with increasing concentration of unleached and leached Acacia or Prosopis litter in soil. Subsequently, we evaluated the growth of A. tortilis and Prosopis species seedling in response to concentration of Acacia or Prosopis litter at different light intensity regimes. Unleached Prosopis litter inhibited germination of A. tortilis and Prosopis species seeds with increase in litter concentration in the soil. Leached Acacia or Prosopis litter had no effect on seed germination but enhanced growth and shoot nutrient concentrations of A. tortilis and Prosopis species seedlings. Growth response to light intensity treatments was similar in both A. tortilis and Prosopis species seedling. The findings suggest that the lack of A. tortilis seedlings under Prosopis canopies in nature may be partially explained by Prosopis litter allelopathy on A. tortilis seed germination.
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