Registration of ‘Heris’ Barley

Dreiseitl, Antonín; Svačina, Petr

doi:10.2135/cropsci2001.1992

Crop Science

2001

DOI: 10.2135/cropsci2001.1992

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Registration of ‘Heris’ Barley

Antonín Dreiseitl

Petr Svačina²

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Cited by 3 publications

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“…Results obtained from studies on varietal resistance (Jensen and Jørgensen 1981, Schwarzbach and Fischbeck 1981, Dreiseitl and Jørgensen 2000 have provided valuable information for resistance breeding (Czembor and Johnston 1999, Dreiseitl and Svacˇina 2001, Jørgensen 1994, on deployment strategies for barley cultivation (Dreiseitl 1998, Finckh et al 1999, for understanding changes in the pathogen population , Hovmøller et al 2000, Wolfe et al 1992) and for other related investigations (Bousset et al 2002, Dreiseitl and Parˇı´zek 2003, Lyngkjaer et al 2001.…”

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Powdery mildew resistance in winter barley cultivars

Dreiseitl¹

2007

Plant Breeding

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In the last two decades, resistance to the powdery mildew pathogen has been investigated in a large number of barleys in the Czech Republic. Several tens of winter barley cultivars were identified with a resistance based on an unknown gene or unknown combinations of resistance genes. In this paper tests on 20 of these cultivars are presented. Thirty-two reference isolates of Blumeria graminis f.sp. hordei were used. All the 20 cultivars shared a particular, previously unknown resistance. Landi was the first cultivar registered with this resistance and it is recommended that this resistance be designated Ln. Isolates virulent to Ln were already found randomly in old European, and also in non-European pathogen populations, where cultivars possessing the resistance Ln were never grown. On the other hand, the resistance Ln has been highly effective even 13 years after Landi registration.

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confidence: 99%

Powdery mildew resistance in winter barley cultivars

Dreiseitl¹

2007

Plant Breeding

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Powdery mildew resistance genes in Latvian barley varieties

Dreiseitl

Rashal

2004

Euphytica

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Resistance of Spring Barley Varieties to Powdery Mildew in the Czech Republicin 1971-2000

Boller¹,

Tanner²,

Gunter³

et al. 2003

CZECH J GENET PLANT

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Abstract:Resistance to powdery mildew of 127 spring barley varieties was evaluated in 702 official variety trials, using scores from 1 to 9. Trials with sufficient disease severity were only analysed. Varieties possessing the resistance genes Mla7 (Elgina), Ml(Kr) (BR-1519), Mla13 (Koral) and mlo (Forum) were among the most resistant ones. The varieties Diamant, HE-3527, HE-3631, II/61-FUDII and Zefir showed high susceptibility. Fifteen varieties, carrying the genes Mla1, Mla3, Mla6, Mla9, Mla13, Ml(Kr) and Ml(Sc), were in the first years of testing highly resistant, but became susceptible later. The score of the most resistant variety ranged each year from 8.05 to 9.00, only in 1987-1991 it was lower. Since the pathogen population rapidly adapted to most resistance genes in the mid eighties, no resistant variety was found in [1987][1988][1989]. From 1986 to 1995 on average only 6.6% of the tested varieties were resistant, but there was no variety with resistance score above 8.50. High resistance was typical for varieties possessing an effective major resistance gene. Since the resistance of such varieties was not durable, we recommend breeding of varieties with at least two fully effective resistance genes, using molecular markers.

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Registration of ‘Heris’ Barley

Cited by 3 publications

References 5 publications

Powdery mildew resistance in winter barley cultivars

Powdery mildew resistance in winter barley cultivars

Powdery mildew resistance genes in Latvian barley varieties

Resistance of Spring Barley Varieties to Powdery Mildew in the Czech Republicin 1971-2000

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