Unusual behavior of growing pollen tubes in the ovary of plum culture (Prunus domestica L.)
2010
Djordjevic, M., Fruit Research Institute, Cacak (Serbia) | Cerovic, R., Fruit Research Institute, Cacak (Serbia) | Nikolic, D., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture | Radicevic, S., Fruit Research Institute, Cacak (Serbia)
Unusual behavior of growing pollen tubes in different combinations of pollination was observed in the ovary of the plum (Prunus domestica L.) cv Cacanska Lepotica. It primarily refers to several issues, i.e. the curling up of pollen tubes within the micropyle, the growth of two pollen tubes into the nucellus of an ovule, the occurrence of a bundle above the nucelar cap and fluorescence of the part of the embryo sac containing the egg apparatus. Upon the growth of pollen tubes into the nucellus of the ovule, subsequently penetrating pollen tubes form a bundle either above the micropyle entrance or above the nucellus. Branching and bending of pollen tubes by 180 degrees upon their growth into the micropyle was also observed.
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