Short term pollen storage in almond
2001
Martínez-Gómez, P. | Dicenta, F. | Ortega, E. (Consejo Superior de Investigaciones Científicas, Murcia (Spain). Centro de Edafología y Biología Aplicada del Segura, Dept. de Mejora y Patología Vegetal)
In almond breeding programmes, circumstances usually make it necessary to keep the pollen of the male parent for later pollination of the female parent. In this work we have studied the in vitro germination of pollen of two almond cultivars (Ramillete and Desmayo Largueta) during 8 weeks. Three storage conditions simulating three real situations were analysed: storage of pollen at 4 degrees C (e.g. pollination of a late flowering cultivar with an early flowering one), storage of pollen at 4 degrees C with short periods at 22 degrees C (e.g. pollination of several cultivars of different flowering times, with an earlier cultivar) and storage at 22 degrees C (e.g. mailing the pollen samples abroad at room temperature). The results obtained show that pollen kept its germination potential well for two weeks in all the treatments. After this time the pollen kept at 22 degrees ºC decreased its germinability quickly
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