Which of the following step is the main root of any plant breeding programme?

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AGenetic variability

BEvaluation and selection of parents

CCross hybridisation among the selected parents

DSelection and testing of superior recombinants

Answer:

Genetic variability is the root of any breeding programme.
In many crops, pre-existing genetic variability is available from wild relatives of the crop.
Collection and preservation of all the different wild varieties, species and relatives of the cultivated species is a pre-requisite for effective exploitation of natural genes available in the population.

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