Blossom end rot is a physiological disorder that causes a brown or black, dry, leathery area to develop on the blossom end of a tomato.
Sand drown, also known as magnesium deficiency, is a disease that affects tobacco plants and is caused by a lack of magnesium in the soil or fertilizer.
Sickle cell disease (SCD) is a genetic blood disorder that affects the shape of red blood cells, making them more rigid and sticky, and more likely to block blood flow.
Tea yellow disease is a progressive degeneration of tea bushes that's caused by a deficiency of sulfur in the soil.
