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.
When Do Babiesâ Eyes Change Color? Your childâs newborn eye color may be blue, but that doesnât mean itâll necessarily stay that way. âBabiesâ eyes tend to change color sometime between 6 and 12 months, but it can take as long as three years until you see the true color of what their eyes are going to be,â says Barbara Cohlan, MD, a neonatologist at St. Louis Childrenâs Hospital.