Botany and Plant Pathology Seminar Series
Speaker: Dr. Janna Beckerman - Department of Botany & Plant Pathology - Purdue University
Topic: IPM: Integrated Paradox Management
When: Wednesday, October 02, 2013 at 3:30 pm in WSLR 116
Abstract:

A paradox is defined as an inherently contradictory statement that may be true. One goal of Integrated Pest Management (IPM) as it is currently practiced is the overall reduction of fungicide use in the management of plant disease. This goal of IPM is often achieved by reducing the rate of application and extending the period of time between applications. This approach is in direct conflict with much of what we’ve known about microbes for over 100 years: That it is best to “hit hard and hit early” to prevent microbes from evolving resistance to treatment. In this talk, I describe the role IPM may have played in the widespread fungicide resistance currently reported. Fungicide resistance is not an emerging problem, but an extent one that threatens to change how we grow certain crops, particularly in the highly clonal and uniquely disease susceptible horticultural crops like apples and bananas. As such, there is a growing need to understand the factors that lead to the selection and evolution of fungicide resistance, and to design better strategies to maximize the effectiveness of existing fungicides while minimizing the likelihood of selection, and dissemination of resistant isolates.
 

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