Brown patch is really a summer lawn disease that's caused by a fungus called Rhizoctonia. The disease begins to show growth when temperatures reach 65°, but the most active growth of brown patch lawn disease occurs at temperatures of 80-85° when humidity levels are very high.Many things cause brown spots in lawns from pet urine, too much water, fungus,grubs and the best course of action is diagnosing the problem quickly.You can try this----Ordinary whole ground corn meal, like the stuff you cook with, can be applied at a rate of 20 pounds per 1,000 square feet to get rid of several existing lawn diseases. It should be applied to the entire lawn to ensure you get all of the disease. Also, since corn meal is an organic fertilizer, if you only treat the patches, you will have very dark green patches of grass where you applied the corn meal. Buy agricultural corn meal in plain brown bags at a local feed store. A 50-pound bag costs me anywhere from $4 to $12 depending on market prices.
westchestergrower, if you have not used any chemical fungicide, sulfate fertilizer, or baking soda in the lawn recently, the corn meal should work to stop the spread of the disease. It could be your lawn had already been hit and it took an extra week for the grass to show signs of being diseased??? In any case it takes 3 full weeks to see the results.
If you have a fescue lawn and that grass dies, it will have to be reseeded. If you have a Kentucky bluegrass lawn and it does not completely die, it will spread back in where it was once killed.
The way corn meal works is by growing a predator type of fungus that will kill the disease fungus. Thus if you have used a fungicide, it will likely kill the predator fungus.2 FUNGAL SPRAYS-------- Mix 1 tbsp. baking soda, 1 tbsp. vegetable oil and a drop of liquid dish detergent with 1 gallon of water in a spray bottle. Shake the fungicide mixture well and apply to the lawn every seven to 10 days.
Mix together 1 cup skim milk and 9 cups water, and apply with a spray bottle every other week. Use skim milk instead of full-fat milk to prevent foul odor and other diseases that will feed off milk.
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https://www.youtube.com/watch?v=ie9o3CQiFF8
Brown patch is really a summer lawn disease that's caused by a fungus called Rhizoctonia. The disease begins to show growth when temperatures reach 65°, but the most active growth of brown patch lawn disease occurs at temperatures of 80-85° when humidity levels are very high.Many things cause brown spots in lawns from pet urine, too much water, fungus,grubs and the best course of action is diagnosing the problem quickly.You can try this----Ordinary whole ground corn meal, like the stuff you cook with, can be applied at a rate of 20 pounds per 1,000 square feet to get rid of several existing lawn diseases. It should be applied to the entire lawn to ensure you get all of the disease. Also, since corn meal is an organic fertilizer, if you only treat the patches, you will have very dark green patches of grass where you applied the corn meal. Buy agricultural corn meal in plain brown bags at a local feed store. A 50-pound bag costs me anywhere from $4 to $12 depending on market prices.
westchestergrower, if you have not used any chemical fungicide, sulfate fertilizer, or baking soda in the lawn recently, the corn meal should work to stop the spread of the disease. It could be your lawn had already been hit and it took an extra week for the grass to show signs of being diseased??? In any case it takes 3 full weeks to see the results.
If you have a fescue lawn and that grass dies, it will have to be reseeded. If you have a Kentucky bluegrass lawn and it does not completely die, it will spread back in where it was once killed.
The way corn meal works is by growing a predator type of fungus that will kill the disease fungus. Thus if you have used a fungicide, it will likely kill the predator fungus.2 FUNGAL SPRAYS-------- Mix 1 tbsp. baking soda, 1 tbsp. vegetable oil and a drop of liquid dish detergent with 1 gallon of water in a spray bottle. Shake the fungicide mixture well and apply to the lawn every seven to 10 days.
Mix together 1 cup skim milk and 9 cups water, and apply with a spray bottle every other week. Use skim milk instead of full-fat milk to prevent foul odor and other diseases that will feed off milk.
Could be bugs, could be mold, could be female dog pee. Figure out what it is, by process of elimination.
It could possibly be from dog pee. I would try to keep dogs off your lawn.