Semi-dwarf rice varieties were developed from . . . . . . in Philippines.

  • A
    $IR$-$6$
  • B
    $IR$-$4$
  • C
    $IR$-$2$
  • D
    $IR$-$8$

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Sugarcane grown in which region of India has a thicker stem and higher sugar content?

Describe various steps in breeding a new genetic variety of a crop.

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