Drought and Submergence (multiple)

  • The elite rice lines have been developed or in the process of development with multiple stress tolerance like flash flood + stagnant flood; flash flood + anaerobic germination (AG); stagnant flood + AG; flash flood + salinity; flash flood + salinity + Zn deficiency; flash flood + drought; flash flood + resistance to bacterial leaf blight etc.
  • Five multiple stress-tolerant rice varieties viz. DRR 52, DRR 47, Sukhadhan 5, CR dhan 801, and CR dhan 802 have been released in India.
  • ICAR-National Rice Research Institute (NRRI) has developed CR Dhan 801 and CR Dhan 802 possessing submergence as well as drought tolerance ability in the background of mega variety ‘Swarna’.
  • CR Dhan 801 is a short bold grain rice that has been released for the states of Odisha, West Bengal, Uttar Pradesh, Andhra Pradesh, and Telangana. It gives about 6.3 t ha-1 yield under normal condition and 4 t ha-1 under submergence while 2.9 t ha-1 under drought conditions.

Varieties

  • CR Dhan 801
  • CR Dhan 802
  • Sukhadhan 5
  • DRR 52
  • DRR 47