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Wheat is at peak quality soon after harvest. Subsequently, diverse biota use wheat as a resource in storage, including insects and mycotoxinproducing fungi. Transportation networks for stored grain are crucial to food security and provide a model system for an analysis of the population structure...


Hernández Nopsa, J.F.Daglish, Gregory J.Hagstrum, David W.Leslie, John F.Phillips, Thomas W.Scoglio, CaterinaThomas-Sharma, SaraWalter GGarrett, K.A.[Ecological Networks in Stored Grain: Key Postharvest Nodes for Emerging Pests, Pathogens, and Mycotoxins]Ecological Networks in Stored Grain: Key Postharvest Nodes for Emerging Pests, Pathogens, and Mycotoxins

Seed potato degeneration, the reduction in yield or quality caused by an accumulation of pathogens and pests in planting material due to successive cycles of vegetative propagation, has been a long-standing production challenge for potato growers around the world. In developed countries this prob...


Thomas-Sharma, SaraAbdurahman, A.Ali SAndrade-Piedra, J.L.Bao, S.Charkowski ACrook DKadian, M.Kromann, P.Struik, Paul C.Torquebiau, Emmanuel F.Garrett, K.A.Forbes, G.[Seed degeneration in potato: the need for an integrated seed health strategy to mitigate the problem in developing countries]Seed degeneration in potato: the need for an integrated seed health strategy to mitigate the problem in developing countries

Weather affects the severity of many plant diseases, and climate change is likely to alter the patterns of crop disease severity. Evaluating possible future patterns can help focus crop breeding and disease management research. We examined the global effect of climate change on potato late blight...


Sparks, Adam H.Forbes, G.Hijmans R.J.Garrett, K.A.[Climate change may have limited effect on global risk of potato late blight]Climate change may have limited effect on global risk of potato late blight

Ecological history may be an important driver of epidemics and disease emergence. We evaluated the role of history and two related concepts, the evolution of epidemics and the burn-in period required for fitting a model to epidemic observations, for the U.S. soybean rust epidemic (caused by Phako...


Sanatkar MScoglio, CaterinaNatarajan SIsard, S.Garrett, K.A.[History, Epidemic Evolution, and Model Burn-In for a Network of Annual Invasion: Soybean Rust.]History, Epidemic Evolution, and Model Burn-In for a Network of Annual Invasion: Soybean Rust.

Climate change has a number of observed, anticipated, or possible consequences on crop health worldwide. Global change, on the other hand, incorporates a number of drivers of change, including global population increase, natural resource evolution, and supply demand shifts in markets, from local ...


Savary, S.Nelson, A.Sparks, Adam H.Willocquet, L.Duveiller, E.Mahuku, George S.Forbes, G.Garrett, K.A.Hodson, D.Padgham, J.Pande, S.Sharma, M.Yuen, J.Djurle, A.[International agricultural research tackling the effects of global and climate changes on plant diseases in the developing world]International agricultural research tackling the effects of global and climate changes on plant diseases in the developing world

Process-based ecological models used to assess organisms' responses to environmental conditions often need input data at a high temporal resolution, e.g., hourly or daily weather data. Such input data may not be available at a high spatial resolution for large areas, limiting opportunities to use...


Sparks, Adam H.Forbes, G.Hijmans R.J.Garrett, K.A.[A metamodeling framework for extending the application domain of process-based ecological models]A metamodeling framework for extending the application domain of process-based ecological models

The impacts of climate change on ecosystem services are complex in the sense that effective prediction requires consideration of a wide range of factors. Useful analysis of climate-change impacts on crops and native plant systems will often require consideration of the wide array of other biota t...


Garrett, K.A.Forbes, G.Savary SSkelsey PSparks, Adam H.Valdivia, C.Bruggen, A.H.C. vanWillocquet, L.Djurle, A.Duveiller, E.Eckersten, H.Pande, S.Vera Cruz, C.Yuen J[Complexity in climate-change impacts: an analytical framework for effects mediated by plant disease]Complexity in climate-change impacts: an analytical framework for effects mediated by plant disease

If climate change scenarios include higher variance in weather variables, this can have important effects on pest and disease risk beyond changes in mean weather conditions. We developed a theoretical model of yield loss to diseases and pests as a function of weather, and used this model to evalu...


Garrett, K.A.Dobson, A.D.M.Kroschel, J.Natarajan BOrlandini STonnang, Henri E.Z.Valdivia, C.[The effects of climate variability and the color of weather time series on agricultural diseases and pests, and on decisions for their management]The effects of climate variability and the color of weather time series on agricultural diseases and pests, and on decisions for their management

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