Summary
Resistance of the GaterslebenAegilops collection was studied in relation to the following wheat diseases: stem rust(Puccinia graminis), leaf rust(Puccinia recondita), stripe rust(Puccinia striiformis) and powdery mildew(Erysiphe graminis). Numerous sources of complete, combined or single resistance have been detected in 487 accessions of 21Aegilops species. Potential donors of the complete resistance have been found in diploidAe. speltoides, Ae. longissima ssp.sharonensis, Ae. mark-grafii and tetraploidAe. geniculata. Methods of a transfer of resistance genes from particularAegilops species to the common wheat,Triticum aestivum, are discussed.
Zusammenfassung
Die GaterslebenerAegilops-Kollektion wurde auf Resistenz gegen folgende Weizen-Krankheiten untersucht: Schwarzrost(Puccinia graminis), Braunrost(Puccinia recondita), Gelbrost(Puccinia striiformis) und Mehltau(Erysiphe graminis). Zahlreiche Quellen für Resistenz gegenüber einzelnen Krankheiten, kombinierte Resistenz und auch vollständige Resistenz gegenüber allen Erregern konnten unter den 487 Sortimentsnummern aus 21Aegilops-Arten gefunden werden. Potentielle Donoren mit vollständiger Resistenz wurden bei den diploiden SippenAe. speltoides, Ae. longissima ssp.sharonensis undAe. markgrafii sowie bei der tetraploidenAe. geniculata nachgewiesen. Methoden zur Übertragung der Resistenzgene von den einzelnenAegilops-Arten auf den Weizen,Triticum aestivum, werden diskutiert.
Краткое содержание
Гатерслебенская коллекцияAegilops исследовалась на резистентность к следующим возбудителям болезней пшеницы:Puccinia graminis, P. recondita, P. striiformis, Erysiphe graminis. Многие источники устойчивости к отдельным болезням, комбинированная устойчивость, как и полная резистентность ко всем возбудителям были найдены среди 487 коллекционных номеров 21 видаAegilops. Потенциальные доноры, обладающие полной резистентностью были найдены у диплоидных формAe. speltoides, Ae. longissima ssp.sharonensis, Ae. markgrafii и у тетраплоидныхAe. geniculata. Обсуждаются методы переноса генов резистентности от отдельных видовAegilops на пшеницуTriticum aestivum.
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Valkoun, J., Hammer, K., Kučerová, D. et al. Disease resistance in the genusAegilops L. — stem rust, leaf rust, stripe rust, and powdery mildew. Die Kulturpflanze 33, 133–153 (1985). https://doi.org/10.1007/BF01997267
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DOI: https://doi.org/10.1007/BF01997267