Reactie plagen en onkruiden op klimaatverandering (KB-12-004.03-002)

There are clear indications that both weed communities as well as plagues in Dutch agriculture are influenced by climate change.  We have selected relevant climate scenarios and used these to indicate how key species respond to these future changes. This study shows that a) aphids will increase their number of generations per year by 3, b) Mamestra species will gain a generation per year with every 1^OC temperature increase. C. arvense, S. arvensis en G. parviflora all show a significantly earlier emergence day (julian day) and a prolonged growing season. These changes will not occur at once, but species will adapt to the changes at the more or less the same paste as the climate change itself. In 2013, we will investigate how this knowledge can be used to formulate tools to mitigate the effects of these changes for Dutch agriculture.