Abstract
A Triticum durum — T. monococcum amphiploid (AABBAmAm) was synthesized by chromosome doubling of sterile triploid hybrids obtained between the two T. durum cultivars Saturn-1 and Neptun-2, and one T. monococcum ssp. aegilopoides (AmAm) accession. The two amphiploid lines, A1 and A2 with each durum cultivar, expressed resistance to wheat powdery mildew at seedling and adult stage, and to four leaf rust cultures, including isolate 22762 to which the diploid wild wheat was susceptible. The newly produced amphiploid could be a useful genetic resource for fungal resistance in wheat.
Zusammenfassung
Ein amphiploider Bastard aus Triticum durum und T. monococcum (AABBAmAm) wurde durch Chromosomenverdoppelung steriler triploider Hybriden aus den beiden T.-durum-Sorten Saturn-1 und Neptun-2 und der Akzession T. monococcum ssp. aegilopoides AmAm gewonnen. Die beiden amphiploiden Linien A1 und A2 waren gegen Getreidemehltau resistent, genauso wie gegen vier Kulturen von Getreideblattrosten, u.a. dem Isolat 22762, gegenüber dem der Wildweizen anfällig war. Der neue amphiploide Bastard könnte als genetische Ressource für Pilzresistenzen im Weizen dienen.
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Plamenov, D., Belchev, I., Kiryakova, V. et al. Fungal resistance of Triticum durum — T. monococcum ssp. aegilopoides amphiploid. J Plant Dis Prot 116, 60–62 (2009). https://doi.org/10.1007/BF03356287
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DOI: https://doi.org/10.1007/BF03356287