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Title: Histopathological investigations of the infection process and propagule development of Phytophthora ramorumon rhododendron leaves

Author: Riedel, Marko; Werres, Sabine; Elliott, Marianne; McKeever, Katie; Shamoun, Simon;

Date: 2012

Source: Forest Phytophthoras 2(1). doi: 10.5399/osu/fp.2.1.3036

Publication Series: Scientific Journal (JRNL)

Description: Studies on the relationship between rhododendron and Phytophthora ramorum include the influence of wounds on leaf infection and on the development of leaf necrosis (De Dobbelaere et al. 2010; Denman et al. 2005), the influence of the inoculum type (Widmer 2009), and tissue colonization by P. ramorum (Brown and Brasier 2007; Parke and Lewis 2007; Pogoda and Werres 2004). There are only a few studies on the development of the pathogen on the leaf surface (Moralejo and Descals 2011; Moralejo et al. 2006) and there is no information on the infection process on leaves. Therefore the aim of the present study was to learn more about the infection process on rhododendron leaves after zoospore application, as well as the capacity for sporulation and the development of chlamydospores and gametangia.

Keywords: Phytophthora ramorum, histopathology

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Riedel, Marko; Werres, Sabine; Elliott, Marianne; McKeever, Katie; Shamoun, Simon Francis. 2012. Histopathological investigations of the infection process and propagule development of Phytophthora ramorumon rhododendron leaves. Forest Phytophthoras 2(1). doi: 10.5399/osu/fp.2.1.3036

 


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