Nutrient Deficiency in Maize leaves

Nitrogen:

• Plant becomes short - cobs become small, cob fills are less.


• The tip of the maize plant becomes yellow, and the yellowish colour moves from mid part of leaf to the base of the leaf (observed in the older leaves)


• V shaped yellowing is observed

Phosphorus:

• Tips and border of leaves becomes noticeably brinjal-coloured or purple coloured, usually seen in early development of leaves (observed in the older leaves)


• The growth of maize plant is disturbed, height of the plant is small - cob becomes small or under developed, growth of roots are not well

Potassium:

• Tips in the base of the plant, and borders of the plant becomes yellowish in colour. The main vein of the leaf still remains green.


• The plants becomes weak, short and the development of cob is disturbed, cobs are incompletely filled.

Zinc:

• Deficiency symptoms are seen in early stages - whitish/yellowish lines are observed. The new leaves are white in appearance.

Sulphur:

• The new leaves may start becoming yellow (straited pattern of yellow-green-yellow) is seen, later the whole plants become yellow (observed in younger leaves)

Magnesium:

• interveinal chlorosis in older leaves, main vein still remains green, yellow to white stripes are observed (in older leaves, first)

[youtube https://www.youtube.com/watch?v=e-ZH1dJYZrM?controls=0]

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