Der Erreger des Apfelschorfes,Venturia inaequalis (Cooke) Aderh. Grundlagen und Möglichkeiten für seine Bekämpfung auf züchterischem Wege. II

Rudloff, C. F.; Schmidt, Martin

doi:10.1007/bf01811905

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…Much of the early work in Europe (1,2,(67)(68)(69)(70)(71)(72)83,84), the United States (41,44,46,61), and Canada (39) demonstrated variability of the reaction of susceptible cultivars and crabapples toward V. inaequalis. More detailed investigations confirmed the earlier observations and studies: particular isolates attacked the cultivar from which they originated more severely than they attacked other cultivars (62,74,84).…”

Section: Coevolutionmentioning

confidence: 98%

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

2001

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Fig. 1. Small, undifferentiated stroma of Venturia inaequalis between the host cell wall and cuticular membrane. Ap, appressorium; CM, cuticular membrane; EC, epidermal cell; HCW, host cell wall; MS, mucilaginous substance; St, stroma (83). Reprinted by permission. Fig. 2. "The Supper at Emmaus" by Michelangelo M. da Caravaggio, painted c. 1600. Enlargement of the basket of fruit shows clearly several scab lesions on the apples. Published by kind permission of the Trustees of the National Gallery, London.

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Section: Coevolutionmentioning

confidence: 98%

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

2001

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Virulence Pattern of Venturia inaequalis Field Isolates and Corresponding Differential Resistance in Malus x domestica

Koch

Kellerhals²,

Gessler

2000

Journal of Phytopathology

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All commercially important apple cultivars are susceptible in the field to scab caused by Venturia inaequalis. The scope of this study was to investigate variation in virulence in Venturia inaequalis populations towards commercial apple cultivars. For this purpose, primary lesions were sampled in orchards with different varietal compositions and diversities. The virulence pattern of monosporic isolates, obtained by isolation of single conidia, was assessed by cross inoculations of the cv. Ananas Reinette, Boskoop, Glockenapfel, Golden Delicious, Gravenstein, James Grieve, Jonathan, Maigold, Reinette de Champagne, Spartan and Yellow Transparent. All cultivars were susceptible to some isolates and resistant to others. No cultivar behaved the same way, which suggests the presence of differential resistance in each cultivar and corresponding virulence in some isolates. Isolates from a monoculture of Golden Delicious consisted mainly of a pathotype that was virulent to Golden Delicious but not to other cultivars. In the samples from cultivar mixtures, virulence pattern variation was considerable. The results give further evidence of the existence of a large pool of differential and ephemeral resistances in Malus, which were overcome by the local scab populations during co‐evolution.

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Venturia inaequalisResistance in Apple

Gessler

Patocchi

Sansavini

et al. 2006

Critical Reviews in Plant Sciences

154

111

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Der Erreger des Apfelschorfes,Venturia inaequalis (Cooke) Aderh. Grundlagen und Möglichkeiten für seine Bekämpfung auf züchterischem Wege. II

Abstract: Abb. 4. Junge Tabakpflanze, die init dem Salt eines Stecklings eingerieben wurde, der eine Mischinfektion des Ringmosaikv~rus uud des Y-Mosaikvirus enthielt. Blatt A mit Priln~rsymptomen, Biatt B mit Folgesymptomen.

Cited by 4 publications

References 6 publications

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

Virulence Pattern of Venturia inaequalis Field Isolates and Corresponding Differential Resistance in Malus x domestica

Venturia inaequalisResistance in Apple

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