Pollen viability in a cultivated sunflower line, in the wild sunflower (Helianthus annuus L. ssp. texanus Heiser) and in its hybrid offspring

To evaluate possible developmental alterations in male gametes in the progeny of a sunflower inter-subspecific cross, pollen viability was studied in the cultivated line AN-3, the wild subspecies Helianthus annuus ssp. texanus, and in the hybrid from the cross CMS-AN-3 x H. annuus ssp. texanus. Amon...

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