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Write the role of polyploidy in crop imp...

Write the role of polyploidy in crop improvement.

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The role of polyploidy in crop improvement are production of:
(i) Seedless watermelons (3n) and bananas (3n).
(ii) TV-29 (triploid variety of tea) with larger shoots and drought tolerance.
(iii) Triticale (6n) is a hybrid of wheat and rye. To make this plant fertile polyploidy is induced. It has higher dietary fibre and protein.
(iv) Raphanobrassica is an allotetraploid by colchicine treatment.
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