Résultat de la recherche
4 recherche sur le mot-clé
'Pemphigus betae' 


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A. Waltz ; T. Whitham | 1997We examined the hypothesis that developmental phase changes from juvenile to mature growth in plants affect the distribution of common herbivores, which in turn affect the rest of the arthropod community. Using naturally occurring clones of cott[...]![]()
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M. Kearsley ; T. Whitham | 1998We define the ''developmental stream'' of a plant as the gradient of increasingly mature phenotypes its shoots express over its lifetime. This pattern has important implications for studies of morphology, physiology, reproduction, and interactio[...]![]()
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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[...]![]()
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K. Larson ; T. Whitham | 1991