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138 recherche sur le mot-clé
'Competition' 
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E. Gianoli | 2000The cereal aphids Rhopalosiphum padi L, and Sitobion avenae (F.) coexist on the same host plant but occupy different ecological niches. R. padi arrives first in the season and reaches its population peak before S, avenae. In addition, R padi pre[...]ouvrage
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K. Larson ; T. Whitham | 1997Gall forming herbivores induce sinks and act as phloem parasites within their host plants. Their performance on the host plant can depend on the sink-source relationship they establish with the plant. Because sink-source relationships within a p[...]article/chapitre/communication
A. Honek ; Z. Martinkova | 1991thèse/mémoire
O. Lessmark, - Auteur ; University of Lund (Lund, SWE), Organisme de soutenance | 1983thèse/mémoire
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Langue(s) du résumé : FREouvrage
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R. Denno ; M. Peterson ; C. Gratton ; J. Cheng ; G. Langellotto ; A. Huberty ; D. Finke | 2000Feeding-induced plant resistance is a well-documented phenomenon for leaf-chewing insects. Furthermore, feeding-induced resistance provides the mechanistic basis for many cases of delayed interspecific competition, whereby previous feeding by on[...]article/chapitre/communication
J. Rochat ; F. Vanlerberghemasutti ; P. Chavigny ; R. Boll ; L. Lapchin | 19991. Crops are often colonised by aphids having different life-history traits, and the aphids and their offspring compete for the shared resource. The intraspecific competition and dispersal characteristics of two strains (A and B) of the cotton a[...]thèse/mémoire
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