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.