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Chlorosis is a condition in which leaves produce insufficient chlorophyll, the pigment that gives plants their green color. Chlorophyll is essential for photosynthesis, the process by which plants make their own food using light energy. Chlorosis can be caused by various factors, such as mineral deficiencies, soil pH, root damage, poor drainage, or environmental stress. The most common mineral deficiency associated with chlorosis is iron, which is needed for the synthesis of chlorophyll. Iron chlorosis affects the young or terminal leaves first, making them pale, yellow, or yellow-white, while the veins remain green. Other minerals that can cause chlorosis are magnesium and zinc, which affect the older or inner leaves first. Chlorosis can reduce plant growth, flowering, and fruiting, and make plants more susceptible to diseases and pests. To treat chlorosis, it is important to identify the cause and apply the appropriate remedy, such as fertilizers, soil amendments, or cultural practices.

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