Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 413209
Title Compatible Puccinia hordei infection in barley induces basal defense to subsequent infection by Blumeria graminis
Author(s) Aghnoum, R.; Niks, R.E.
Source Physiological and Molecular Plant Pathology 77 (2012)1. - ISSN 0885-5765 - p. 17 - 22.
Department(s) Laboratory of Plant Breeding
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) f-sp-hordei - systemic acquired-resistance - erysiphe-graminis - induced accessibility - powdery mildew - leaf rust - papilla formation - spring barley - cell-death - inaccessibility
Abstract Rusts and powdery mildews employ different strategies to suppress defense during penetration. We observed that a compatible interaction of barley-Puccinia hordei induced increased penetration resistance to a challenge infection by powdery mildew. This induced resistance is local and its level is not determined by the virulence spectrum of the challenger isolate. Our data suggest that the inducer effect is due to rust-stoma communication during penetration, to the presence of the rust hyphae in the apoplast, or to penetration resistance mounted by the rust attacked mesophyll cells. We hypothesized that the rust “primes” the basal defense prior to the mildew infection
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