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Abstract
Contamination of hybrid bermudagrass [Cynodon transvalensis Burtt Davy Cynodon dactylon (L.) Pers.] cultivars by another cultivar, tetraploid common bermudagrass [Cynodon dactylon (L.) Pers.], or other grassy weed pressure can be a major problem. The development of an Acetyl CoA Carboxylase tolerant bermudagrass hybrid would allow for selective control of these offtypes on golf courses, sports fields, and home lawns. After applying sethoxydim, clethodim, fluazifop, and quizolafop to hybrid bermudagrasses in the greenhouse, genotypes 93-175 and 16-T-4598 exhibited lower injury than Tifway and Celebration, which may allow traditional breeding techniques to be used in order to create an Acetyl CoA Carboxylase tolerant cultivar. Vidalia onions experience yield loss due to weeds and have high cost for hand transplanting, but PlantTape technology would allow farmers to lower planting costs. The use of the registered herbicides, pendimethalin, oxyfluorfen, and S-metolachlor, on PlantTape onions controlled weeds and improved yield when compared to the nontreated plots with little injury to the onions.