Breeding system of the annual Cruciferae, Arabidopsis kamchatica subsp. kawasakiana
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Standardized Method for High-throughput Sterilization of Arabidopsis Seeds
Published on: October 17, 2017
1Division of Life Science, Graduate School of Science and Technology, Kobe University, Nada-ku, Kobe 657-8501, Japan. 007d857n@stu.kobe-u.ac.jp
Abstract:
The breeding system of an annual Cruciferae, Arabidopsis kamchatica subsp. kawasakiana, was studied in three natural populations. We applied four experimental treatments, open pollination, bagging, emasculation + bagging, and emasculation + hand-pollination + bagging. None of the emasculated flowers with bags produced fruits but we observed high fruit sets in the other three treatments. The results confirmed that A. kamchatica subsp. kawasakiana is a self-compatible, non-apomictic species that can produce seeds through auto-pollination. Considering the life cycle as an annual, increased reproductive assurance through auto-pollination should be critical for the maintenance of populations of A. kamchatica subsp. kawasakiana.
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