Abstract
REMOTE hybridization, the bringing together of distantly related genomes, has many useful purposes1–4 but is often hindered by incompatibility barriers. Pollen mixes have been successfully used, particularly by the Michurin school of plant breeders, to overcome such incompatibility barriers1,2,5. Often, these mixes combined the pollen intended for syngamy with “mentor” pollen of the maternal species the function of which it was to stimulate the female floral tissue. Although the chemical nature of the stimulus is still poorly understood, it is likely that specific enzymes and hormones play an important part in the process6–8.
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References
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STETTLER, R. Irradiated Mentor Pollen: Its Use in Remote Hybridization of Black Cottonwood. Nature 219, 746–747 (1968). https://doi.org/10.1038/219746a0
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DOI: https://doi.org/10.1038/219746a0
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