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SUMMARY:Trade-off between disease resistance and crop yield: a landscape-s
 cale mathematical modelling perspective - Martin Vyska\, Gilligan Group
DTSTART:20160627T113000Z
DTEND:20160627T123000Z
UID:TALK66655@talks.cam.ac.uk
CONTACT:38916
DESCRIPTION:The deployment of crop varieties that are partially resistant 
 to plant pathogens is an important method of disease control. However\, a 
 trade-off may occur between the benefits of planting the resistant variety
  and a yield penalty\, whereby the standard susceptible variety out-yields
  the resistant one in the absence of disease. Therefore\, there is likely 
 to be an optimal trade-off and thus an optimal cropping density for the re
 sistant variety. I study a simple stochastic\, epidemiological model to in
 vestigate the trade-off and the consequences for crop yield. I will discus
 s SIR epidemic dynamics and use the final size equation to calculate the s
 urviving host population in order to analyse the yield\, an approach suita
 ble for rapid epidemics in agricultural crops.
LOCATION:Seminar Room\, Plant Sciences
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