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adult beetles aeration applied areas beneficial bermudagrass biological controls BIRC blades brown patch burrow caused chinch bugs common lawn Common Sense Pest compaction compost Cooperative Extension cores cultivars damage disease organisms dollar spot Drechslera effective eggs endophyte feed fertilizer fungi fungicidal fungus fusarium blight garden germinate gopher grass species growing herbicides inches insect insecticide integrated pest management irrigation Japanese beetle Kentucky bluegrass kill larvae lawn diseases lawn maintenance lawn pests leaf least-toxic methods mites moist mole crickets monitoring mower mowing height mycelia natural enemies necrotic ring spot neem neem oil nematodes nutrients pathogens perennial ryegrass pest problems pesticides plants plots predators Pythium reduce researchers Rhizoctonia roots runway sample season seed Sense Pest Control Sheila Daar Shetlar sod webworms soil spores spring stress surface symptoms tall fescue temperatures thatch layer tion tolerance levels transect trap treatments Trichoderma tunnels turf managers turfgrass weed growth white grubs