Khaira disease of rice is caused due to deficiency of(1) Boron deficiency(2) Zinc deficiency(3) Magnesium deficiency(4) All of the above

Answer: (2)

The deficiency of zinc in rice causes khaira disease. They existed as smaller patches in the nursery or might be observed in the main-land of rice.

Khaira disease symptoms are

  • The leaves are discoloured.
  • Growth of the plants is limited and plants stunted.
  • The midrib becomes chlorotic means contaminated with the chlorine.
  • The plants must be transplanted to recover the effects of the disease.

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