HORTICULTURE

Detailed explanation-1: -One of the first signs of magnesium deficiency is chlorosis. Chlorosis is the yellowing of the leaf structure found between veins, giving the leaf a marbled appearance, while the veins remain green. Another indication of chlorosis is for the leaf margins to turn a red-brown-purple colour.

Detailed explanation-2: -The lack of iron is one of the more common nutrients associated with chlorosis. Manganese or zinc deficiencies in the plant will also cause chlorosis. The way to separate an iron deficiency from a zinc or manganese deficiency is to check what foliage turned chlorotic first.

Detailed explanation-3: -Interveinal chlorosis occurs due to the deficiency of Iron & Magnesium.

Detailed explanation-4: -In manganese-deficient palms new leaves are uniformly chlorotic with necrotic streaks. Younger leaves remain smaller than older fronds.