Dead blades of grass in lawn. - Knowledgebase Question

lithopolis, Oh
Question by darlenakelle
April 14, 2010
We live in Lithopolis, Oh and we have kentucky bluegrass. Our yard is thick but has brown dead grass throughout. It will not greenup completely. We use the 4 Step Fertilizing process from Scotts. Do we need to dethach? Any other tips?

Answer from NGA
April 14, 2010


I can't tell from your description whether the browning blades are a fungal disease or a cultural problem. The blades can be bruised by foot traffic or by your lawnmower. Bruised leaf blades develop brown streaks or become completely brown. Some blades are more vigorous than others so not all will show this kind of damage. Look closely at the browned blades and at those that have brown tips but are still mostly green. A magnifying glass will be helpful. Look for black dots (fungal fruiting spores) or rust spots or yellowing streaks. These are all signs of disease problems. If you see none, the cause is mechanical (bruising as described above). Be sure your mower blade is sharp and don't let your grass become water stressed or it will bruise. Best wishes with your lawn.

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