Dispersal of leaf rust urediniospores within a wheat canopy
2000
Kramer, C.L. | Eversmeyer, M.G.
Collections of Puccinia triticina urediniospores were made at 25, 50 and 100 cm heights within the canopy of a wheat plot at the edge of a centrally located infection focus and at 1- and 2-m distances downwind. Local dispersal of urediniospores within a wheat canopy from an infection focus occurs most efficiently (dispersal to greater distances before becoming deposited) when the wind direction is perpendicular to the wheat rows rather than when it is paralell to them.
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