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Título

Low temperature storage of almond pollen

AutorMartínez-Gómez, Pedro ; Gradziel, Thomas M.
Palabras clavePrunus dulcis
Pollen
Viability
Pollen germination
Cryopreservation
Breeding
Fecha de publicaciónjul-2002
EditorAmerican Society for Horticultural Science
CitaciónHortScience 37(4): 691-692 (2002)
ResumenPollen of the California almond cultivars Nonpareil, Ne Plus Ultra, Sonora, and Peerless was evaluated for viability following storage over 12 months at 4, 0, -20, and -80 °C. The proportion of viable pollen exceeded 80% for all cultivars and for all temperatures evaluated after 2 months of storage. Following 12 months of storage at 4 °C, germination decreased to 8% for `Nonpareil', 10% for `Ne Plus Ultra', 50% for `Sonora', with no germination observed for `Peerless'. Storage at sub-freezing temperatures maintained pollen viability above 70% in `Nonpareil', `Ne Plus Ultra', and `Sonora' and above 40% in `Peerless'. Cultivars differed significantly in their tolerance to low temperature pollen storage. Within cultivars, differences in pollen germination following storage at 0, -20, or -80 °C were nonsignificant.
Descripción2 pages.
Versión del editorhttp://hortsci.ashspublications.org/cgi/content/abstract/37/4/691
URIhttp://hdl.handle.net/10261/20076
ISSN0018-5345
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