Q.19
EDV (Essentially Derived Varieties) are those which are derived from
EXPLANATION
शस्य विज्ञान, जुताई एवं फसल उत्पादन
- Essentially Derived Variety (EDV): Under international plant breeders' rights (UPOV and PPV&FR Act), an EDV is defined as a variety predominantly derived from an initial variety, retaining its essential genotype characteristics, generated through genetic engineering (transformation), induced mutation, somaclonal variation, or repeated backcrossing. (Correct answer)
- Crossing two commercial varieties: Represents standard conventional hybridization that generates new recombinant genetic combinations, not an EDV.
- Introduced hybrid: Represents an exotic germplasm introduction.
- Wide hybridization with wild relatives: Pre-breeding introgression, not an EDV.
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