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Author: Alfredo Martinez-Espinoza, Plant Pathology Department, University of Georgia-Griffin Campus Large patch: To limit the severity of Rhizoctonia large patch on warm season grasses (especially on zoysiagrass), avoid nitrogen applications at this time. Regardless of fertility, preventive fungicide treatments may be required. The fungus (Rhizoctonia solani) becomes active when night temperatures fall below 60°F. Fungicides of the…
Posted in: Turfgrass disease -
Fall armyworm (Spodoptera frugiperda) (Fig. 1) is a caterpillar pest of turfgrass and usually appear on our sod farms, lawns, or golf courses starting late August in Georgia. In spring and summer, adults of fall armyworm or moths fly north from Florida through weather fronts each year. They undergo several generations of moths during summer…
Posted in: Turfgrass insect pest