Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 549147
Title Modelling the combined effect of moisture and temperature on secondary infection in a coupled host-pathogen FSPM
Author(s) Streit, Katarina; Evers, Jochem B.; Renton, Michael
Source In: Proceedings - 2018 6th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications, PMA 2018. - Institute of Electrical and Electronics Engineers Inc. - ISBN 9781538678152 - p. 61 - 68.
Event 6th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications, PMA 2018, Hefei, 2018-11-04/2018-11-08
Department(s) PE&RC
Crop and Weed Ecology
Publication type Contribution in proceedings
Publication year 2019
Keyword(s) disease modelling - functional-structural plant modelling - leaf wetness duration - moisture - tan spot - temperature - yellow spot

Weather conditions are an important driver of disease development. For example for yellow spot in wheat, warm and moist conditions favour secondary infection. Although the relationship between environment and disease development is the basis of many epidemiological models, changes in plant architecture and growth have an effect on disease progress and severity as well. Functional-structural plant models (FSPMs) are well suited to study the interactions between pathogen, climatic conditions and growing host crop. In this study we focused on simulating the effect of weather conditions on the progression of secondary infection in yellow spot and the interaction with growing wheat canopy. Simulations were performed using a coupled host-pathogen FSPM with standard meteorological data input. The model develops on previous coupled host-pathogen FSPMs by combining response functions to temperature and wetness duration and calculating the hourly progression of secondary infection. The simulated diseased area differed with different combinations of temperature and moisture response models. Changes in dispersal pattern were observed mainly in relation to spore release rate.

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