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and Implications Four years of research with foliar fungicides in alfalfa production indicate that the best chance for profitability is with an application in spring to first crop growth at a six to eight inch canopy height. Fungicide applications to later crops during the season are of questionable economic value, and highly dependent on crop yield potential and environments more conducive for disease development.doi:10.31274/ans_air-180814-1285 fatcat:2akjorxsu5hnrlustqt4lltage