For growth and prosperity

For growth and prosperity
Showing posts with label 35. Manganese (Mn) deficiency symptoms. Show all posts
Showing posts with label 35. Manganese (Mn) deficiency symptoms. Show all posts

Thursday, 7 July 2011

Manganese (Mn) deficiency symptoms

Manganese (Mn) deficiency symptoms.

  • Plants exhibit “comb-tooth” leaf chlorosis and the presence of fungus- Deightoniella torulosa in the chlorotic areas.
  • The chlorosis starts from the leaf margins and spreads along the veins towards the midrib with interveinal areas remaining green, hence the comb-tooth appearance.
  • Leaves desiccate prematurely causing poor fruit development.
  • Normal size bunch is produced by the plant but the fruits are covered with black spots.

Control Measures:

a.      Spray Manganese sulphate @ 2 g/l of water ( Neutralized with lime)once a week for two weeks.



Photos courtasy: TNAU, Coimbatore, Tamilnadu, India.

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