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Intra-ovarian Pollination in Papaver rhoeas L.

Nature, 1960
IN many crosses plant-breeders are confronted with one or more of the following problems : (1) the pollen grains may fail to germinate on a foreign stigma ; (2) if they germinate, the pollen tubes may remain short and burst during their passage ; (3) even if the tubes grow successfully, their progress may be so slow that the ovary becomes abscissed ...
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Papaver rhoeas (common poppy)

PlantwisePlus Knowledge Bank, 2022
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Virescence of Papaver rhoeas: a new phytoplasma disease

1996
A formerly undescribed, phytoplasma-induced virescence disease of corn poppy (Papaver rhoeas) was observed in several agricultural areas of southern Italy. The disease is caused by a uniform phytoplasma that was identified to be a member of the aster yellows strain cluster.
MARCONE, Carmine   +2 more
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