Seed productivity test of CMS lines of Japanese bunching onion (Allium fistulosum L.) possessing the cytoplasm of a wild species, A. galanthum Kar. et Kir. |
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| Authors: | Ken-ichiro Yamashita Yosuke Tashiro |
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| Institution: | (1) Faculty of Agriculture, Saga University, Saga 840-8502, Japan; National Institute of Vegetable and Tea Science (NIVTS), National Agriculture and Bio-oriented Research Organization (NARO), Ano Mie 514-2392, Japan |
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| Abstract: | In a previous study, we developed male sterile lines of Japanese bunching onion (Allium fistulosum L.) possessing the cytoplasm of a wild species, A. galanthum Kar. et Kir., by backcrossing. To evaluate seed productivity of the male sterile lines in practise, they were crossed with the male fertile line, cultivar 'Kujyo', using honeybees as pollinators under field conditions. The number of florets and seeds per inflorescence, seed set and seed germination of the material were investigated. Although variation was observed among the male sterile lines, there were several lines having seed productivity equal to cultivar 'Kujyo'. Our data demonstrate that the male sterile lines of A. fistulosum possessing the cytoplasm of A. galanthum are useful as seed parents for the commercial F seed production of A. fistulosum. |
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| Keywords: | Allium fistulosum Allium galanthum CMS cytoplasm male sterility |
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