Assertion: In case of vegetatively propagated crops, pure-line selection is not required.
Reasoning::Hybrid vigour is mostly used in vegetatively propagated plants.
Reasoning::Hybrid vigour is mostly used in vegetatively propagated plants.
Answer & explanation
Correct answer: option 2
In case of vegetatively propagated crops, pure line selection is not required. Pureline selection is useful only for sexually reproducing plants. Hybrids vigour is most profitably used in vegetatively propagated crops because they do not involve sexual reproduction and hence loss of hybrid superiority