Infrastructure means the basic structure of an organization or system. A company's infrastructure would include all the fixed assets, i.e., the building, equipment, machinery and tools required to manufacture their product. Although people are not fixed assets they would be included in the company's infrastructure too.
Rarely a serious problem. Look-alikes: Jumping oak gall, tubakia leaf spot, oak leaf blister, other fungal leaf spots. Jumping oak gall Brown leaves appear on trees in the white oak group in late spring. Severe infections may cause the leaves to turn black, curl up and fall. On the underside are brown galls with the larva of a small wasp inside.
The bright reds and purples we see in leaves are made mostly in the fall. In some trees, like maples, glucose is trapped in the leaves after photosynthesis stops. Sunlight and the cool nights of autumn cause the leaves turn this glucose into a red color.The brown color of trees like oaks is made from wastes left in the leaves. It is the combination of all these things that make the beautiful fall foliage colors we enjoy each year. Plants are busy growing all summer long.lants make their food using sunlight and something called chlorophyll. Chlorophyll gives leaves their green color. Winter days are short and dry. Many plants stop making food in the fall. The chlorophyll goes away.