23 minutes | Feb 18th 2021

102: Effects of Landscape Management on Pest Control in Vineyards

The resource concentration hypothesis looks at how the advent of modern agriculture as monoculture created an environment where pests can grow faster because their resource, the crop, is more prevalent. Biodiversity is fundamental for pest management and Daniel Paredes, Postdoctoral Fellow at the University of California Davis, in the department of Wildlife Fish and Conservation Biology, is studying how sustaining natural habitat around vineyards can increase biodiversity. Promotion of natural habitat impacts vineyards in two different ways; 1) the promotion of natural enemies and 2) by diminishing the pest population. Speaking about his latest research project in Spain, Daniel says, “At harvest, we found pest outbreaks increased four-fold in simplified, vineyard-dominated landscapes compared to complex landscapes in which vineyards are surrounded by semi-natural habitats.” This study shows that conserving and restoring natural vegetation creates a more stable environment. References: Ceres Imaging Diverging Effects of Landscape Factors and Inter-Row Management on the Abundance of Beneficial and Herbivorous Arthropods in Andalusian Vineyards (Spain) Effects of vegetation management intensity on biodiversity and ecosystem services in vineyards: A meta‐analysis Landscape Simplification Increases Vineyard Pest Outbreaks and Insecticide Use SIP Certified Tillage intensity or landscape features: What matters most for wild bee diversity in vineyards? UC Davis Study: How Landscape Simplification Affects Pest Outbreaks Vineyard Team Events Get More Subscribe on Google Play, iHeartRADIO, iTunes, Spotify, Stitcher, TuneIn, or wherever you listen so you never miss an episode on the latest science and research with the Sustainable Winegrowing Podcast. Since 1994, Vineyard Team has been your resource for workshops and field demonstrations, research, and events dedicated to the stewardship of our natural resources. Learn more at www.vineyardteam.org.
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