PJB-2020-239
Classification of Some Grape (Vitis vinifera L.) Cultivars by Pollen Morphology using Scanning Electron Microscopy
Burçak İşçi
Abstract
Morphological characters are used to identify plant material. Pollen morphology is an important parameter. This is of great importance in detailed investigations by scanning electron microscope (SEM). In this study, the pollen morphology of selected grape cultivars were examined by SEM. The pollen surface features, as well as length, width, and P/E ratio of pollen were observed. The pollen differed in some microstructural characteristic. Pollen width exhibited significant according to the varieties (10.12-22.44 µm). Smilirly , the statistical difference occurred among the ten Vitis genotypes in terms of mean pollen length (16.26-29.91 µm). P/E ratio determined to the varieties (1.08-2.55 µm) and, grape varieties have the longest pollen, in general. The without furrows are surrounded in exine were determined in cultivars of “Alicante Boushet”, “Cardinal”, “Syrah”. Areolat pollen was determined in among other cultivars. Depending on the cultivars there was a statistical difference in terms of pori diameter. Pollen viability was determined between 11.75 % and 84.25 % in TTC (2,3,5-triphenyl tetrazolium chloride) tests. The present research is a contribution to amore detailed analysis of grapevine cultivars.
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