Genetic variation in the defense chemistry in wild cabbages affects herbivores and their endoparasitoids
- Gols, Rieta
- Wagenaar, R.
- Bukovinsky, Tibor
- van Dam, Nicole M.
- Dicke, Marcel
- Bullock, James M.
- Harvey, Jeffrey A.
DOIAbstract
Populations of wild Brassica oleracea L. grow naturally along the Atlantic coastlines of the United Kingdom and France. Over a very small spatial scale (i.e., <15 km) these populations differ in the expression of the defensive compounds, glucosinolates (GS). Thus far, very few studies have examined interactions between genetically distinct populations of a wild plant species and associated consumers in a multitrophic framework. Here, we compared the development of a specialist (Pieris rapae) and a generalist (Mamestra brassicae) insect herbivore and their endoparasitoids (Cotesia rubecula and Microplitis mediator, respectively) on three wild populations and one cultivar of B. oleracea under controlled greenhouse conditions. Herbivore perfor...
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