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Legacy effects of aboveground–belowground interactions

Kostenko, O. and Van de Voorde, T.F.J. and Mulder, P.P.J. and Van der Putten, W.H. and Bezemer, T.M. (2012) Legacy effects of aboveground–belowground interactions. Ecology Letters, 15, 813-821. ISSN 1461-023X.

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Official URL: http://dx.doi.org/10.1111/j.1461-0248.2012.01801.x

Abstract

Root herbivory can greatly affect the performance of aboveground insects via changes in plant chemistry. These interactions have been studied extensively in experiments where aboveground and belowground insects were feeding on the same plant. However, little is known about how aboveground and belowground organisms interact when they feed on plant individuals that grow after each other in the same soil. We show that feeding by aboveground and belowground insect herbivores on ragwort (Jacobaea vulgaris) plants exert unique soil legacy effects, via herbivore-induced changes in the composition of soil fungi. These changes in the soil biota induced by aboveground and belowground herbivores of preceding plants greatly influenced the pyrrolizidine alkaloid content, biomass and aboveground multitrophic interactions of succeeding plants. We conclude that plant-mediated interactions between aboveground and belowground insects are also important when they do not feed simultaneously on the same plant.

Item Type:Article
Institutes:Nederlands Instituut voor Ecologie (NIOO)
ID Code:12510
Deposited On:02 Aug 2012 11:43
Last Modified:22 Aug 2013 11:54

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