Abstract
Polyploidy has played a great role in the evolution of domesticated plants (Hilu 1993); indeed, most of the major crop plants are allopolyploids, including wheat (Triticum aestivum), maize (Zea mays), oats (Avena sativa), alfalfa (Medicago sativa), sugarcane (Saccharum officinale), potato (Solanum tuberosum), sweet potato (Ipomoea batatas), banana (Musa sapientum), cotton (Gossypium hirsutum), tobacco (Nicotiana tabacum), coffee (Coffea arabica), apple (Malus pumila) and pear (Pyrus communis). With this background, polyploidy has a bright future in such departments as agriculture, horticulture and floriculture. It has great scope of being used in plant breeding to improve the existing crops or develop new ones to cater to the needs of exponentially increasing human population. According to Stebbins (1950), allopolyploids or amphiploids can be useful in plant breeding in three ways:
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To transfer a valuable character carried by a single genetic factor across a barrier of interspecific sterility.
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To incorporate some desirable characteristic controlled by many genetic factors into a crop plant.
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To be used as entirely new crop plants with qualities different from any one known.
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Dar, TUH., Rehman, RU. (2017). Future Prospects in Polyploidy Research. In: Polyploidy: Recent Trends and Future Perspectives. Springer, New Delhi. https://doi.org/10.1007/978-81-322-3772-3_8
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DOI: https://doi.org/10.1007/978-81-322-3772-3_8
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