$IR-36$ was developed through the breeding of:

  • A
    Six rice varieties and $Oryza \text{ } nivara$
  • B
    $13$ rice varieties and $Oryza \text{ } nivara$
  • C
    $Oryza \text{ } sativa$ and $O. \text{ } indica$
  • D
    $Oryza \text{ } indica$ and $O. \text{ } nivara$

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