2019
DOI: 10.1111/pbr.12730
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A novel resistance against powdery mildew found in winter barley cultivars

Abstract: Barley powdery mildew caused by Blumeria graminis f. sp. hordei can be effectively controlled using genetic resistance. Moreover, specific resistances are also important for characterizing cultivars and verifying their origin, purity and authenticity. Winter barley is distinguished by several specific resistances, which are usually absent in spring barley. Besides responses caused by known genes, many cultivars showed a response suggesting the presence of an unknown resistance. Therefore, the aim of this resea… Show more

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Cited by 14 publications
(18 citation statements)
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References 44 publications
(74 reference statements)
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“…Comparing the RTA of a tested variety with RTAs of standard genotypes possessing known resistance genes can result in the postulation of known as well as unknown genes and their combinations [ 17 , 18 ]. It is not unusual to find five or more resistance genes present in one variety [ 19 ], and postulation is the most efficient method to analyze such complex data compared with other techniques such as genetic analyses, use of molecular markers or sequencing. New isolates introduced into resistance tests can aid the detection of other genes and supplement total numbers of identified genes and gene combinations.…”
Section: Specific Resistancementioning
confidence: 99%
See 1 more Smart Citation
“…Comparing the RTA of a tested variety with RTAs of standard genotypes possessing known resistance genes can result in the postulation of known as well as unknown genes and their combinations [ 17 , 18 ]. It is not unusual to find five or more resistance genes present in one variety [ 19 ], and postulation is the most efficient method to analyze such complex data compared with other techniques such as genetic analyses, use of molecular markers or sequencing. New isolates introduced into resistance tests can aid the detection of other genes and supplement total numbers of identified genes and gene combinations.…”
Section: Specific Resistancementioning
confidence: 99%
“…Ml(Ch) originally designated Ml(SG) [ 24 ] has a typical response type 2 (RT2) [ 44 , 45 ] ( Supplementary Table S1 ) and is detected only after inoculation with an old Japanese isolate “Race I” [ 46 ]. This isolate is also avirulent to Mla8 (RT0) [ 19 , 47 ] and, together with two known avirulent Israeli isolates, establishes an RTA typical of another recently described gene MlaLo [ 26 , 27 ]. Like Mla8 and Ml(Ch) , Ml(VIR) has been also identified using only one known avirulent isolate [ 27 ].…”
Section: Specific Resistancementioning
confidence: 99%
“…Leaf segments 15 mm long were cut from the central parts of healthy fully-expanded primary leaves when second leaves were emerging. Three segments for the F 1 generation and one or five segments for the F 2 and F 6 generations were placed adjacently along with four segments of the susceptible Stirling oriented diagonally and with their adaxial surfaces facing upward in a 150 mm Petri dish on water agar (0.8%) containing benzimidazole (40 mg −L ), a leaf senescence inhibitor 20 . Over a period of several years, 18–27 leaf segments of each cultivar in the F 1 generation were tested with each isolate (results are not shown), while 120–160 segments (only 40 for SU Hylona) were tested in the F 2 generation and 60 segments were tested for the F 6 generation of Hobbit.…”
Section: Methodsmentioning
confidence: 99%
“…Bgh , mainly in Europe, is extremely diverse 11 – 13 and it is possible to use selected isolates to characterise specific resistance genes and their combinations 14 , 15 . Several new resistances found by such phenotyping have been postulated in cultivars 16 20 and more frequently in wild barley, H . vulgare subsp.…”
Section: Introductionmentioning
confidence: 99%
“…Prace związane z poszukiwaniem i identyfikacją genów odporności na mączniaka prawdziwego są wciąż publikowane. Przykładami nowo opisanych genów jest Ml (Ve) zidentyfikowany w 2018 roku w odmianie Venezia (Dreiseitl 2018) oraz Ml (Lu) zidentyfikowany w 2019 roku w szeregu odmian ozimych jęczmienia (Dreiseitl 2019). Identyfikacja tych genów była oparta tylko na analizie fitopatologicznej.…”
Section: Geny Odporności Jęczmienia Na Mączniaka Prawdziwegounclassified