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The Combined Effects of Aphid-Ant Mutualism and Fertilizer on the Resource Allocation of Valerian edulis

Authors: Dupuy, D.
Year: 2002
Publisher: UNKNOWN
Keywords: VALERIAN EDULIS RESOURCE ALLOCATION FERTILIZER

Abstract

Valerian edulis is a perennial dicot growing in montane and subalpline regions. It is a polygamo dioecious species and popular host plant for aphids. Because of such characteristics, it was chosen to study the effects of resource allocation dependency. This study examined the specific effects of aphid-ant mutualisms, aphid herbivory and the use of fertilizer on the resource allocation of Valerian edulis. Results gave no significant evidence that indicated the presence of aphids, ants or the addition of fertilizer effect resource allocation in this plant species. However, results did support previous studies that indicate growth dependence on aphids and ants.

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