Suppression of powdery mildew resistance gene Pm8 in Triticum aestivum L. (common wheat) cultivars carrying wheat-rye tranlocation T1BL·1RS

Hanusova, R.; Hsam, S. L. K.; Bartoš, Pavel; Zeller, F. J.

doi:10.1038/hdy.1996.157

Cited by 42 publications

(28 citation statements)

References 17 publications

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“…Pm8 was suppressed at the seedling stage in certain 1B/ 1R translocation lines (Ren et al 1997;Hanusova et al 1996). The suppressor of Pm8 has been mapped to the short arm of chromosome 1A, and McIntosh et al (2011) recently demonstrated that Pm3 could act as a suppressor of the Pm8 resistance.…”

Section: Effect Of Race-specific Genesmentioning

confidence: 99%

Partial resistance to powdery mildew in German spring wheat ‘Naxos’ is based on multiple genes with stable effects in diverse environments

Bjørnstad

Ren

et al. 2012

Theor Appl Genet

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Powdery mildew is one of the most important wheat diseases in temperate regions of the world. Resistance breeding is considered to be an economical and environmentally benign way to control this disease. The German spring wheat cv. 'Naxos' exhibits high levels of partial and race non-specific resistance to powdery mildew in the field and is a valuable source in resistance breeding. The main objective of the present study was to map the genetic factors behind the resistance in Naxos, based on a population of recombinant inbred lines (RIL) from a cross with the susceptible CIMMYT breeding line SHA3/CBRD. Powdery mildew severity was evaluated in six field trials in Norway and four field trials in China. The major quantitative trait locus (QTL) with resistance from Naxos was detected close to the Pm3 locus on 1AS in all environments, and explained up to 35% of the phenotypic variation. Naxos was shown to carry another major QTL on 2DL and minor ones on 2BL and 7DS. QTL with resistance from SHA3/CBRD were detected on 1RS, 2DLc, 6BL and 7AL. The QTL on the 1B/1R translocation showed highly variable effects across environments corresponding to known virulence differences against Pm8. SHA3/CBRD was shown to possess the Pm3 haplotype on 1AS, but none of the known Pm3a-g alleles. The RIL population did not provide any evidence to suggest that the Pm3 allele of SHA3/CBRD acted as a suppressor of Pm8.

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Section: Effect Of Race-specific Genesmentioning

confidence: 99%

Partial resistance to powdery mildew in German spring wheat ‘Naxos’ is based on multiple genes with stable effects in diverse environments

Bjørnstad

Ren

et al. 2012

Theor Appl Genet

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“…Cluster 2: 22,7,30,21,23,19,27 Cluster 3: 17,12,8,5,4,24,11,28,16,14,15,6,1,9 Abb Auf Grund umfangreicher botanischer Untersuchungen gliederte Rechinger (Rechinger und Rechinger-Moser 1951;Rechinger 1943Rechinger , 1950 (Christodoulakis 1996a(Christodoulakis ,1996b (Bai und Knott 1992), Gelbrost (Kema et al 1995;Ma et al 1995) und Mehltau (Hanušova et al 1996) nachgewiesen werden.…”

Section: Bedeutung Und Nutzung Pflanzengenetischer Ressourcen In Der unclassified

New floristic records, confirmations and other phytogeographical notes from Crete (Greece)

Bergmeier¹

2011

Willdenowia

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“…Therefore, we suggest that the resistance gene(s) of 13-2-2 was inherited from rye and expressed in the common wheat (W770B) background. The resistance gene might be a novel resistance gene and different from Pm8 (Hanusova et al, 1996) and Pm17 (Heun and Fribe, 1990) located on 1RS. In the future, we intend to locate and map the powdery mildew resistance gene(s) by developing interbred populations.…”

Section: Discussionmentioning

confidence: 99%

Molecular cytogenetic identification of a novel 1AL.1RS translocation line with powdery mildew resistance

Lu¹,

Wang²,

Zhang³

et al. 2014

Genet. Mol. Res.

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ABSTRACT.A wheat germplasm line 13-2-2 with resistance to powdery mildew was isolated; this line was derived from common wheat cv. W770B and rye, Secale cereale L. (2n = 2x = 14, RR). The line was characterized based on cytological, genomic in situ hybridization (GISH), sequence-characterized amplified region (SCAR), and simple sequence repeat (SSR) analyses. The mitotic and meiotic investigations showed that the chromosome number and configuration of 13-2-2 were 2n = 42 = 21 II. GISH using rye genomic DNA as a probe detected a pair of R genome chromosome arms with strong hybridization signals in 13-2-2. Three 1RS chromosome-specific SCAR markers amplified 1RS specific bands in line 13-2-2. We screened 320 SSR primer pairs on the long or short arms from seven wheat homoeologous groups in the translocation line and parents. However, only three 1AS primers could not be amplified in line 13-2-2, whereas the others were amplified. Thus, these markers suggested that the line 13-2-2 was 1AL.1RS translocation line. Line 13-2-2 was immune to powdery Identification of a wheat-rye translocation line mildew after inoculation with Blumeria graminis f. sp. tritici isolates E05 and E07 during the adult plant stages. In contrast, the maternal parent W770B, Kavkaz with Pm8, and Amigo with Pm17 were heavily infected with spores and had reaction response scores of susceptible. Thus, the new wheat-rye 1AL.1RS translocation line with resistance to powdery mildew could be a new and valuable donor source for wheat improvement. The molecular markers developed in this study might also be useful tools for marker-assisted selection.

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Suppression of powdery mildew resistance gene Pm8 in Triticum aestivum L. (common wheat) cultivars carrying wheat-rye tranlocation T1BL·1RS

Cited by 42 publications

References 17 publications

Partial resistance to powdery mildew in German spring wheat ‘Naxos’ is based on multiple genes with stable effects in diverse environments

Partial resistance to powdery mildew in German spring wheat ‘Naxos’ is based on multiple genes with stable effects in diverse environments

New floristic records, confirmations and other phytogeographical notes from Crete (Greece)

Molecular cytogenetic identification of a novel 1AL.1RS translocation line with powdery mildew resistance

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