Tree Health Problems: Chlorosis Stock Photo

Vertical image of a pin oak tree suffering from severe chlorosis. This condition results in a general yellowing of foliage. Over time, this tree will die. Symptoms of interveinal chlorosis are shown by a yellowing of tissue between each affected leaf's veins, while the leaf veins themselves remain green. Chlorosis can be caused by many factors, including disease, insects, too much water in soil, cold weather, pollutants, and excessive or deficient soil nutrients.