How To Repair Blighted Lawn
Blighted Turf Symptoms: How To Care for Ascochyta Leaf Blight On Lawns
By: Kristi Waterworth
Lawns stretch out across suburbia like an endless grass sea, broken just by the occasional tree or blossom patch, thanks to careful maintenance by an army of homeowners. When your lawn is salubrious and green, it most melts into the background, but every bit soon as brownish, brittle grass appears, your backyard stands out like a neon sign. Blighted turf symptoms are common backyard troubles, oftentimes caused past turf stress and fungal diseases similar ascochyta leaf blight.
What is Ascochyta Leaf Bane?
Ascochyta leafage blight on lawns is caused by an infection by the fungal pathogen Ascochyta spp. Many grasses are susceptible, but Kentucky bluegrass, tall fescue and perennial ryegrass are the most common victims. Ascochyta leaf bane comes on chop-chop, causing large dark-brown or bleached patches in lawns when the conditions is speedily alternate betwixt very moisture and very dry, but the exact environmental trigger is unknown.
You tin positively place an ascochyta leaf bane infection by examining damaged grass blades with a hand magnifying glass. Await for minute xanthous to dark dark-brown, flask-shaped fruiting bodies scattered on discolored grass blades. If you lot find them, don't panic, grass with leaf blight is rarely seriously injured since the mucus doesn't assail the crowns or roots.
Controlling Ascochyta Blight
Because aschochyta blight is so transient, it'southward difficult to fourth dimension fungicidal treatments properly, but a good general care program can go a long fashion to helping your grass recover. Dethatch and aerate your lawn each year in the fall to increase water penetration and reduce hiding spots for fungal spores. Even irrigation throughout the growing season is recommended for grasses of all types, but don't allow your backyard to get soggy or leave grasses in standing water.
Frequent, close mowing tin increase the visibility of grass with foliage bane, so sharpen your blades and continue your grass at a top of 2 ½ to iii inches. Reducing mowing frequency will give grass more than time to heal between cuttings, reducing the opportunities for pathogens to enter the blades. Applying a balanced fertilizer tin can aid strengthen grass, simply avoid large applications of nitrogen, especially in the jump – excessive nitrogen increases the growth of new, delicious leafage that volition require more frequent cut.
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Source: https://www.gardeningknowhow.com/lawn-care/lgen/ascochyta-leaf-blight-on-lawns.htm
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