Male Sterility in Sugar Beet Induced by Cooling Treatment and its Application to Cross-pollination for Breeding

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概要

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• Male sterility was induced in sugar beet plants by cooling treatment at the early bud stage. The percentage of male sterile flowers was higher the longer the cooling treatment and lower the temperature from 5℃ to 3℃. Complete male sterility was induced by the treatment at 3℃ for 50 days or 5℃ for 70 days. Microscopic observations confirmed that the microspores and tapetum cells were more sensitive to cool temperature than somatic cells within a sugar beet anther. Female organs in the male sterile plants under cooling were not fatally injured and they could produce hybrid seeds by crossing with normal pollen. These results indicated that cooling treatment, which induced male sterility in sugar beet plants, was applicable as a method of castration in the breeding system.

• 日本育種学会の論文

著者

• Kawaguchi Kentaro

  Hokkaido National Agricultural Experiment Station

• Tanaka Masakatsu

  Hokkaido National Agricultural Experiment Station

• Kuranouchi Toshikazu

  National Agriculture Research Center

関連論文

• DEVELOPMENTAL REGULATION OF AGPs AND OLIGOSACCHARIDE IN RICE ANTHER
• CHARACTERIZATION OF AGPs AND THE OLIGOSACCHARIDE IN RICE ANTHER
• CHANGES IN CONCENTRATION OF THE OLIGOSACCHARIDE IN RICE ANTHERS UNDER CHILLING TEMPERATURE
• EXPRESSION OF GLYCOSIDASE ACTIVITY ON ARABINOGALACTAN-PROTEIN IN RICE ANTHERS
• ARABINOGALACTAN-PROTEINS IN RICE SPIKELETS AND ITS ENZYMATIC DEGRADATION
• PARTIALLY PURIFICATION AND CHARACTERIZATION OF ARABINOGALACTAN-PROTEINS FROM RICE PANICLES
• Male Sterility in Sugar Beet Induced by Cooling Treatment and its Application to Cross-pollination for Breeding
• Genetic Analysis of Sweetpotato and Wild Relatives using Inter-simple Sequence Repeats (ISSRs)

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