A) Six rice varieties and Oryza nivara
B) 13 rice varieties and Oryza nivara
C) Oryza sativa and O. indica
D) Oryza indica and O. nivara
Correct Answer: B
Solution :
Gurdev S. Khush crossed 13 varieties of rice from Oryza nivara to develop IR - 36 which was resistant to grassy stunt virus.You need to login to perform this action.
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