|Publication ahead of print|
Agron. Sustain. Dev.
|Published online||22 September 2010|
Allelopathy, an alternative tool to improve cropping systems. A review
Department of Crop and Environmental Sciences, Universidade Federal da
Paraíba, Areia, Paraíba State, CEP: 58.397–000, Brazil
2 EMBRAPA Algodão, PO Box 174, Campina Grande, Paraíba State, Brazil
3 Agronomy Department, Universidade Federal Rural de Pernambuco, Recife, Pernambuco State, 52171-900, Brazil
4 Department of Biology, Universidade Federal Rural de Pernambuco, Recife, Pernambuco State, 52171-900, Brazil
5 Department of Chemistry, Universidade Federal Rural de Pernambuco, Recife, Pernambuco State, 52171-900, Brazil
6 Faculty of Exact and Natural Sciences - Marabá Campus, Universidade Federal do Pará, Marabá, Pará State, 68505-080, Brazil
* Corresponding author:
Accepted: 17 May 2010
Known since ancient times, the phenomenon of allelopathy has recently received greater attention from researchers and farmers worldwide. Crop failures and low yields caused by the reseeding, overseeding, crop rotation and replanting of fruit trees in orchards are believed to be caused by allelopathic activity. Moreover, the expensive and environmentally impacting herbicides for weed control have motivated studies directed at developing cheaper, environmentally-friendly alternatives. Despite the difficulties in separating chemical interference from other mechanisms, more modern approaches have produced consistent and conclusive data on this topic. The release and dynamics of allelochemicals in the soil are discussed herein. Examples of allelopathic crops, the allelochemicals produced and their uses in cropping systems are also presented along with current research trends regarding allelopathy.
Key words: allelopathy / chemical interference / agriculture / potential use
© INRA, EDP Sciences, 2010
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