Extreme Weather and Plant Pests: Extreme Knowledge Gap : 2. Apple, Asparagus, Wine and Hope | Extremwetterlagen und Schaderreger – extreme Wissenslücken : 2. Apfel, Spargel, Wein und Hopfen
2014
Seidel, Petra
Here we reviewed the possible impacts of weather extremes on pests (weeds, insect pests and plant pathogens) of wine, hope, apple and asparagus by analyzing scientific literature published since 1945, concerning the knowledge about the influences of extreme weather on incidence of these pests. A weather extreme event is generally defined as the occurrence of a value of a weather variable above or below a threshold value near the upper or lower tails of the range of observed values of the variable (IPCC). Although there are still many open scientific questions, climate change will likely lead to increase the frequency, intensity, spatial extent, duration and timing of weather and climate extremes and can result in unprecedented extremes. After considering all the results of derivative analysis, we concluded that the knowledge gap is enormously. Only 13 papers were found. These few papers concerning the influence of storm, hail, flooding, dryness or heavy down pours on the pests of apple (10 papers), asparagus (2 papers) or wine (1 paper). Thus projections of future impacts of extreme weather on plant pests and yields cannot be made with a high level of confidence. More research to get more primary results and data is needed urgently.
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