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.
One of the best ways to help your baby learn to understand colors is to have bright colors dominate their rooms. As opposed to having pastels and neutral colors with your decor, vibrant colors such as red, pink, blue and green could help. You can fill up their world with color by having bright beddings and toys. When handing your baby their toys, teach them colors by mentioning the color of the toy.