Cercospora. Cercospora is the most common of the many diseases of a sweet gum tree, according to the Florida Department of Agriculture and Consumer Services. Cercospora is a fungal spot disease that produces dark brown, bordered, angular to circular spots 2 to 10 mm in diameter on both sides of leaves.rtist's Conk. Artist's conk (Ganoderma applanatum) is a fungal disease of a sweet gum tree that causes wood rot, according to the University of California IPM Online. Artist's conk infects trees by entering through wounds. White rot occurs in roots and trunks.
Vision and Age Infant Eyes Eye Development. Even in the womb babies can tell the difference between light and dark. And at birth, they see shapes by following the lines where light and dark meet. Yet, they are several weeks old before they can see their first primary color â red.
An infantâs eyes may change color or darken during the first 3 to 6 months of his life, explains KidsHealth from Nemours. Occasionally, the process takes even longer. Your babyâs eye color becomes firmly established by 6 to 12 months, Sutter Health reports. Once your baby reaches his first birthday, his eyes will most likely remain the same general color for the rest of his life.