Abstract
Here, we describe a method of triticale isolated microspore culture for production of doubled haploid plants via androgenesis. We use this method routinely because it is highly efficient and works well on different triticale genotypes. To force microspores into becoming embryogenic, we apply a 21-day cold pretreatment. The shock of cold facilitates redirecting microspores from their predestined pollen developmental program into the androgenesis pathway. Ovaries are included in our culture methods to help with embryogenesis, and the histone deacytelase inhibitor Trichostatin A (TSA) is added to further improve androgenesis and increase our ability to recover green doubled haploid plants.
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We thank Katherine Anderson-Bain and Jamieson Peacock for proofreading and Fengying Jiang for technical assistance.
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Maheshwari, P., Laurie, J.D. (2021). Triticale Isolated Microspore Culture for Doubled Haploid Production. In: Segui-Simarro, J.M. (eds) Doubled Haploid Technology. Methods in Molecular Biology, vol 2287. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1315-3_16
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DOI: https://doi.org/10.1007/978-1-0716-1315-3_16
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