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Calcium (Ca) in plants

Calcium is the most essential mineral present in meristematic tissues and in differentiating tissues.

The role of calcium in plants is as follows:

  • Calcium is an essential part of middle lamella and involved in movement of substances through cell membranes.
  • Require for the formation of bipolar spindle during cell division.
  • Calcium is essential element for the growth of shoot and root tips.
  • It reduces the toxicity of aluminum and manganese in plant roots.
  • It regulates cellular metabolism.
  • Also require for enzymatic activity
  • It is absorbed in the form of Ca++ from the soil.

Deficiency symptoms of Calcium:

  1. Calcium mobility in plants is limited.
  2. There major symptoms observed during its deficiency: stunted growth and young parts of plants example: root tips, shoot apices and marginal regions of young leaves begin to die.
  3. Inhibition of bud growth, as terminal bud often found dead
  4. Young leaves often appear to be hooked at tip
  5. Tips and margins of leaves are dried up and dead
  6. Roots can turn rot or dead
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