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Plant Sciences

University of Tennessee, Knoxville

Masters Theses

Theses/Dissertations

2021

Emergence Season

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Modeling Emergence Of Annual Bluegrass (Poa Annua L.) In Hybrid Bermudagrass [C. Dactylon (L.) Pers. X C. Transvaalensis Burtt-Davy], Dallas Rose Taylor May 2021

Modeling Emergence Of Annual Bluegrass (Poa Annua L.) In Hybrid Bermudagrass [C. Dactylon (L.) Pers. X C. Transvaalensis Burtt-Davy], Dallas Rose Taylor

Masters Theses

Annual bluegrass (Poa annua L.; ABG) is a troublesome weed of turfgrass systems. A model to predict ABG emergence patterns could aid in timing measures to control ABG. Field research was initiated in January 2019 at the East Tennessee AgResearch & Education Center (ETREC) (Knoxville, TN) to better understand environmental conditions associated with ABG emergence. Plots (1 m2) included both hybrid bermudagrass [C. dactylon (L.) Pers. x C. transvaalensis Burtt-Davy, cv. ‘Tifway’, at a 1.5 cm cutting height] and bare soil. Emerged ABG inside a 1000 cm2 area in the center of each plot was …