Cryo-banking of Prunus mume pollen and its application in cross-breeding
Ya-Li Zhang1, Rui-Dan Chen, Cui-Juan Huang
1Landscape Architecture College, Beijing Forestry University,Beijing China.
Abstract:
The Mei (Prunus mume Sieb. et Zucc.) is one of the most widely used landscape plants and important germplasm resources in China. The study of pollen cryopreservation and the construction of a pollen cryo-bank have great importance in Mei research. From 2003 to 2007 we cryopreserved pollen from 51 Mei cultivars. In vitro germination of cryopreserved pollen was not significantly different from that of fresh pollen, even after four years of storage in liquid nitrogen. Cryopreserved pollen of 19 cultivars was used successfully for intraspecific hybridizations at Wuhan and Beijing in 2005 and 2006.
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