At Purdue University, Dr. Richard Grant and his colleagues conducted a number of empirical, field canopy, and greenhouse studies to determine the effects of
UV-B on various plants. Their work included determination of the response of soybean and sorghum to enhanced UV-B, and also its effect on biomass and its distribution. Particular emphasis was placed on the reaction of plant leaf physiology to the UV-B radiation. The group also studied the penetration of UV-B in oak-hickory forest, in a mature maize canopy and into the understory of a leafing-out deciduous forest. Model studies were performed on vegetation exposure, including that of Asian Soybean Rust, for a 3-day trajectory of an actual event in Iowa in September 2007.
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