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Hybridization between diploid (Gossypium arboreum) and tetraploid (Gossypium hirsutum) cotton through ovule culture

  • Interspecific Crosses
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Summary

With in vitro culture of ovules, interspecific hybrids have been obtained in an otherwise incompatible cross between a diploid (Gossypium arboreum) and a tetraploid (G. hirsutum) cultivated cotton. The early abortion of the embryo was prevented by repeated treatment of the flowers, immediately after pollination with a solution of gibberellic acid and naphthalene acetic acid. The ovules excised three days after pollination and cultured in a liquid medium underwent profuse proliferation, whereas on an agar-solidified medium supplemented with casein hydrolysate, indoleacetic acid and kinetin they germinated to form hybrid plants.

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Gill, M.S., Bajaj, Y.P.S. Hybridization between diploid (Gossypium arboreum) and tetraploid (Gossypium hirsutum) cotton through ovule culture. Euphytica 36, 625–630 (1987). https://doi.org/10.1007/BF00041512

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  • DOI: https://doi.org/10.1007/BF00041512

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