Abstract
A two-year study was conducted on 12 possible varieties as pollen sources for Anjou pear. Bloom dates of the varieties were compared with bloom date of Anjou. Viability of pollen was determined including germination and tube growth. The Anjou trees were hand-pollinated using the various sources of pollen, then later we determined fruit set. The fruit was harvested and size of fruit, number of seeds, firmness, soluble solids, titratable acidity and physiological disorders were determined. Bloom dates corresponding most closely to Anjou were Bartlett, Pyrus calleryana and the Asian pear Nijisecki. Pollen from El Dorado, OHxF 33 and OHxF69 had the highest percent germination and the best pollen tube growth. Bartlett, Pyrus calleryana, Nijisecki, OHxF333 and OHxF69 showed the highest percent fruit set. The largest fruit was from flowers pollinated with Nijisecki, Dawn, Bose and self-pollinated. Fruit with highest numbers of seeds was fruit with pollen from Nijisecki, Usserienses, Dawn, Comice and Bosc. There was no difference in firmness, soluble solids or tritratable acidity, and there was no physiological disorders. The study indicated Bartlett pear is the best all-round pollinizer for Anjou pear.
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