Notes on the Objective and types of Hybridisation

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Objective:

(1) To evolve a variety having all the desirable eharaetcrs viz.high Yielding; high resistance to disease, drought or water-logging; higher food value, better taste etc.

(2) To produce useful variations by introducing recombinations of characters.

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(3) To produce and utilize hibrid vigour i.e. “the superiority of the hybrid over its parents.”

Types:

Depending on the nature of plants involved in the cross there may be different, types viz.

(a) Intcr-varictal: Cross between two varieties of a crop.

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(b) Intra-varictal: Cross between different genotypes of the same variety.

(c) Intra-gencric: Cross between two species of a genus.

(d) Inter – generic : Cross between two different genera.

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