Wondering what you guys think? Is this a burn either from the sun or fertilizer or does this look like a fungus like Phythium Blight?
I just had my yard hydroseeded in the spring. I watered appropriately and the grass came right up nice and soft and green. After it was in and growing nicely I mowed the lawn and my husband applied a starter fertilizer. I didn't realize the hydro seeding had fertilizer mixed in already. A few days went by and we had a scorcher weekend where I wasn't home and wasn't watering. Then I noticed some brown spots that I thought were burns to the immature grass. However, it seems like it's spreading/getting worse and it was dead almost overnight. I notice it all around the back of the house and in some spots in the middle of the lawn surrounded by healthy green grass. The way the burns run are opposit the way The dry fertilizer was spread with the spreader so I'm wondering if it's infact a fungus like Phythium Blight. I don't have a lot of experience in treating something like this. Does anyone have any insight based off of these pictures? Thanks in advance.