Bacterial joint inflammation, also known as bacterial or septic arthritis, is a serious and painful infection in a joint. Bacteria can infiltrate your joint and cause rapid onset of cartilage deterioration and bone damage.
Well-maintained Bermuda grass stays evenly green. Although it goes dormant and turns brown in the winter, Bermuda grass (Cynodon dactylon) offers a deep green lawn in the spring, summer and fall in U.S. Department of Agriculture hardiness zones 7 through 10.
That's probably heat/drought stress. If your grass is turning brown, that may mean your tree isn't getting enough water. A newly planted tree doesn't compete well with grass, weeds, or nearby big trees. They suck the water right out from under your tree.