Fluorescent Microscope Observation on Pollen Germination in Different Cross Combinations of Chinese Jujube

doi:10.7668/hbnxb.2008.S1.012

Abstract

Abstract: The pollen-stigma binding, germination of pollen and growth of pollen tube were observed under fluorescent microscope in Chinese jujube (Ziziphus jujuba Mill.) after manual pollination using cult ivar Dongzao and JMS3 as female parent and Dayewuhe and other cultivars as male pollinators. The rate of stigma with binding pollen (RSBP), the rate of stigma with germinating pollen (RSGP), the number of pollen per stigma (NPPS) and the germination rate per stigma(GRPS) changed significantly among cross combinations. No significant relationships were found between RSBP, RSGP, NPPS and GRPS. As with relative higher pollen germinat ion rate and more vigorous growth of pollen tube, the combinat ions of Dongzao× Dayewuhezao, Dongzao @Wuhexiaozao and Dongzao× Pingguozao were recommented for cross breeding of Chinese jujube.

Key words: Chinese jujube, Cross combinations, Pollen germinat ion, Fluorescent microscope

CLC Number:

S665.1

WANG Yao, WANG Jiu-rui, LIU Meng-jun, LIU Ping. Fluorescent Microscope Observation on Pollen Germination in Different Cross Combinations of Chinese Jujube[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(S1): 46-49. doi: 10.7668/hbnxb.2008.S1.012.

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