Type of pollination and indices of fruit set of some Georgian grapevine varieties
DOI:
https://doi.org/10.5073/vitis.2006.45.153-156Keywords:
grapevine, genotypes, fruitset, pollination, pollen-morphology, apomixis, parthenocarpyAbstract
Pollen characteristics (length, width, diameter, number of pores and stain ability), type of pollination, fruit set and number of seeds per berry of the eight Georgian autochthonous grapevine varieties Rkatsiteli, Saperavi, Gorula, Gorula no. 21, Tsulukidzis Tetra, Alexandrouli, Mujuretuli and Orbeluri Ojaleshi have been investigated. It is concluded that for fruitset of the tested hermaphrodite grapevine varieties, self-pollination plays a predominant role, but in addition crosspollination is necessary for their high fruitset.
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