The Impact Of Climate Warming On The Interaction Of Aphid Wheat Pests Rhopaloshipum Padi And R. Maidis | 12138
Journal of Earth Science & Climatic Change
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heat production is limited by diseases and insects. Barley yellow dwarf virus (BYDV) is an aphid-vectored disease that
causes significant losses in cereals worldwide by reducing photosynthesis. BYDV is a virus complex transmitted by the
has been observed cohabiting on the same plant, there is a possible aphid attack strategy
between the species that has not been studied and its sensitivity to climate warming conditions may play a role in reducing wheat
production. Climate is a primary determinant for the growth of insects and crops. Given that likely climate change scenarios
indicate global warming, is suggested that warming will modify aphid vectors spatio-temporal dynamics, increasing the number
of aphid generations per year. Which mechanisms are behind the aphid distribution on the plant? Will inter-specific aphid
interactions change with increased temperatures? Will aphid generation time decrease with increased temperature?
The project has two phases: phase I the hypothesis the population dynamics of both species depends on their interaction on
the plant. Phase II will test the hypothesis increased temperature affect the population parameters of both species.
This project will provide many novel approaches to the study of the effects of climate warming on insect pests using a system
insect-virus vector on wheat crop as a model system. Elucidating the interaction of
will play a role in
understanding virus disease spread. Both species have worldwide distributions; therefore outcomes obtained here can be useful
in several countries to manage BYDV disease.
Mitzy F. Porras enrolled in Ph.D. in Entomology, and dual title degree in International Agricultural Development at Penn State University, is a
biologist of Universidad Nacional de Colombia. She has worked and leaded projects in different countries on macroecology of insects in natural and
agroecosystems. She has published articles on journals during her undergraduate program and got a Fulbright scholarship for her doctoral studies.
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