- Symptoms of
potassium deficiency first appear on older leaves.
chlorosis first appears at the leaf margins, then, the
interveinal area is affected.
- The symptoms
progress from the base towards the apex of the plant.
- Yellowing and
scorching of the older leaves begins at the edges and
eventually spreads between the main veins towards the center
of the leaf.
- Leaf symptoms
are accompanied by abnormal fruit development, often with a
brown or spotted appearance.
- The plant is
stunted with short internodes and small leaves.
- Fruit may not
expand fully at the stem-end, although they will swell at the
tip-end, a symptom that is also caused by water stress.