Observation on Pollen Morphology of Cytoplasmic Male Sterile Lines and Their Maintainers in Wheat by SEM

doi:10.3321/j.issn:1000-7091.1992.04.005

Abstract

Abstract: Pollen grains of sixteen materials of cytoplasmic male sterile (CMS) lines of four types of cytoplasm and their maintainers in wheat (T. cestivum) have been observed by scanning electron microscopy. Neither significant correlation between the size of pollen grain and the type of cytoplasm, nor significant correlation between the character of aperture and the type of cytoplasm were found. But differences in the pollen grains shape and ornamentation among the four types of cytoplasm were significant.Such differences between the CMS lines and their maintainers, among the CMS Lines, and among the maintainers, were also found.

Key words: Commn wheat, Male sterile lines, Pollen grains, Scanning electron microscope

Zhang Zhaoduo, Liu Zhiyi, Shen Yinzhu, Si Zhiha, Zheng Jianwei, Zhang Busheng. Observation on Pollen Morphology of Cytoplasmic Male Sterile Lines and Their Maintainers in Wheat by SEM[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1992, 7(4): 22-28. doi: 10.3321/j.issn:1000-7091.1992.04.005.

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