Abstract - Efficient pollination needs abundant fertile pollen in rose breeding. This study was performed to find out
efficient staining methods for the detection of fertile pollen. Aceto-carmine and Alexander's stain gave similar results in
terms of percentage of normal pollen. Fluorochromatic reaction (FCR) showed the lowest normal pollen percentage
because FCR stained only fertile pollen while others stained cytoplasm. Toluidine blue O (TB) showed similar
percentage of normal pollen to Aceto-carmine and Alexander's, but could not clearly distinguish the clustered abnormal
pollens. Alexander's stain was easy and simple, but difficult to distinguish fertile and infertile pollen. FCR showed only
fertile pollen. Alexander's stain showed approximate fertility and FCR showed exact pollen fertility.
2007 Rose Pollen Fertility KoJPlantReserch.pdf