New varieties of plants can be produced by:

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(A) Plant breeding is the purposeful manipulation of plant species in order to create desired plant types that are better suited for cultivation,give

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Selection and hybridization

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(A) Plant breeding is the purposeful manipulation of plant species in order to create desired plant types that are better suited for cultivation,give better yields,and are disease resistant.Classical plant breeding involves hybridization of pure lines followed by artificial selection to produce plants with desirable traits.Mutation breeding is another technique where genetic variation is created by using chemicals or radiations (like gamma radiations) to induce mutations,followed by selection and evaluation of plants that have the desired trait.Therefore,both classical breeding (selection and hybridization) and mutation breeding (radiation and selection) are standard methods for producing new plant varieties.

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