Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/21935

Title: Defensive role of allelopathic secondary compounds in plants: a review of data on two independent general hypotheses
Authors: Dias, A.S.
Dias, L.S.
Pereira, I.P.
Keywords: Alelopatia
Interacção de efeitos
Issue Date: 2018
Citation: Dias AS, Dias LS, Pereira IP 2018. Defensive role of allelopathic secondary compounds in plants: a review of data on two independent general hypotheses. Journal of Allelochemical Interactions 4(1): 9-22
Abstract: This review examines and whenever appropriate, reanalyses published literature related to two general and independent hypotheses having the underlying assumption that phytoactive secondary compounds produced by plants evolved primarily as plant defences against competitor plant species. The first hypothesis is that production and the main way of release of phytoactive compounds reflect an adaptive response to climate conditions. Thus, higher phytoactivity by volatile-compounds should prevail in plants of hot, dry environments whereas higher phytoactivity by water- solubles should be preponderant in plants from wetter environments. The second hypothesis is that the synergy between phytoactive compounds of plants should be widespread while antagonism or absence of interaction of effects should be rare because of the higher efficiency of energy and use of resources provided by synergy. Published literature does not support either hypotheses. We found no pattern of association between higher phytoactivity in volatile compounds in plants from drier environments or in water-soluble compounds in plants from wetter environments. Neither did we found evidences for the predominance of synergy. On the contrary, antagonism or no interaction of effects among allelopathic compounds largely prevailed.
URI: http://j_allel_inter.webs.uvigo.es/images/issues/volume4-1/JAI_Volume4-1_article1.pdf
http://hdl.handle.net/10174/21935
Type: article
Appears in Collections:ICAAM - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
BIO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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