Wednesday, 20 November 2002 - 9:50 AM
0910

This presentation is part of : Development and Implementation of Management Systems for Thrips and Tospoviruses

Manipulating abiotic factors to reduce thrips populations in greenhouses

J. L. Shipp, Agriculture and Agri-Food Canada, Greenhouse Processing Crops Research Center, Agriculture and Agri-Food Canada, Harrow, ON, Canada

The climate in greenhouse crop production can be precisely-controlled using computerized climate control systems. Temperature and humidity not only have a major impact on plant growth and productivity, but also influence the population levels of pests and their control agents. Laboratory and greenhouse trials have elucidated the relationships of temperature and vapor pressure deficit on thrips population dynamics and its control strategies. As a result of the improved understanding of these relationships, recommendations have been developed to optimize the control efficiency of thrips through the manipulation of greenhouse climatic factors.

Species 1: Thysanoptera Thripidae Frankliniella occidentalis (Western flower thrips)
Keywords: temperature, vapor pressure deficit

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