EDV (Essentially Derived Varieties) are those which are derived... | Agrigyan

Q.19

Livestock Production Management- ICAR JRF/SRF 2024

MCQ (Single Correct)

EDV (Essentially Derived Varieties) are those which are derived from

crossing two commercially known varieties hybrid introduced from other countries existing variety through genetic engineering or mutation Correct crossing commercially known variety with its wild relative

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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