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.
Report Abuse. Infants see color from birth but it has been proven that they gravitate toward black, white and red for the first few months. That is why a lot of developmental toys are made in these colors. The color of your child's eyes can change up until about a year, but if your child is born with very dark or brown eyes it is very unlikely that child will ever become a light color blue. Source(s): Mother and childcare provider with 12 years experience.