The economics of foliar fungicide applications in winter wheat in Northeast Texas

Jose A. Lopez, Kandy Rojas, James Swart
2015 Crop Protection  
Among plant pathogenic organisms, fungi are a major reason for crop losses around the world and have a significant impact on yield and quality. Previous studies suggest that up to 42% yield loss caused by fungal diseases can be prevented by applying foliar fungicides to winter wheat. Local wheat production data on fungicide application, yield, and disease severity for four soft-red winter wheat cultivars (Magnolia, Terral LA841, Pioneer 25R47, Coker 9553) for two years (2011 and 2012) in three
more » ... and 2012) in three locations in Northeast Texas (Royse City, Howe, and Leonard) were analyzed to study the economics of one foliar fungicide (TebuStar ® 3.6L). A preventive application of the fungicide resulted in a relatively conservative 9.41% overall yield gain and a net return (from investing in tebuconazole) of $107.7/ha in 2012, which lead to an overall positive (two-year average) net returns of $52.09/ha. A probability analysis indicated that positive overall net returns are likely and that most of the cultivars considered have the potential to produce a yield gain necessary to at least break even with or exceed the cost of applying tebuconazole. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://
doi:10.1016/j.cropro.2014.09.007 fatcat:pyyhsxc4dfe3ditaw4cw4idhtm