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Factors Influencing The Spatial Distribution Of Southern Rust In Corn, Justin Bailey
Factors Influencing The Spatial Distribution Of Southern Rust In Corn, Justin Bailey
Graduate Theses and Dissertations
Southern rust caused by the fungus Puccinia polysora (Underwood) is the most economically important foliar disease in corn (Zea mays) (Linnaeus) (Cyperales: Poaceae)) for Arkansas. The objective of this work was to determine distribution of southern rust in corn and to determine factors that may control its distribution.
During the 2017 and 2018 season, seven corn fields in Arkansas were rated for southern rust. After disease confirmation, fields were marked with GPS sample point locations in a grid pattern across the entire field. Ratings for disease severity were taken below, at, and above the ear leaf at each point every …