In maize, hybrid vigour is exploited by:

Options

A. inducing mutations
B. bombarding the protoplast with DNA
C. crossing of two inbred parental lines
D. harvesting seeds from the most productive plants

Answer

C

Explanation

Hybrid vigour has been commercially exploited in different commercial crops like maize, sorghum, Bajra, tomato, sugar-beet by hybridization or crossing of two unrelated individuals or parental lines linked to hybrid vigour or heterosis .It refers to the superiority of the hybrid over its parents .The changes in the progeny or hybrid can be seen with naked eyes .The main steps include selection of parents, their crossing and finally seed setting and harvesting.