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plant:fagales [2020/07/06 12:23]
rkoebnik [Pathogen: //Xanthomonas arboricola// pv. //juglandis//] 		plant:fagales [2020/07/08 14:16] (current)
rkoebnik
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 Internal reviewer: Vito Montilon\\ Internal reviewer: Vito Montilon\\
 Expert reviewer: FIXME Expert reviewer: FIXME
 +
 +====== Hazelnut (//Corylus avellana// L.) ======
 +
 +===== Pathogen: //Xanthomonas arboricola// pv. //corylina// =====
 +
 +No resistance genes identified in hazelnut to date (Frutos, 2010; Lamichane & Varvaro, 2014). Problems on selection of varieties resistant to //X. arboricola// pv. //corylina// attacks (Avanzato //et al//., 2009). Existence of hazelnut cultivars with a low susceptibility level to //X. arboricola// pv. //corylina// (Prunier //et al//., 1976); some cultivars seem to be more tolerant than others, but no real resistance has been found (Frutos, 2010).
 +
 +----
  
 ====== Walnut (//Juglans regia //L.) ====== ====== Walnut (//Juglans regia //L.) ======
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 No resistance genes identified in walnut to date (Frutos //et al//., 2010; Lamichane, 2014; Jiang //et al//., 2019). Existence of some important accessions of Walnut //Juglans regia// with some levels of resistance to //X. arboricola //pv. //juglandis// (Lamichhane, 2014). A polyphenol oxidase enzyme was however shown to be associated with tolerance to //Brenneria rubifaciens//, //Brenneria nigrifluens//, and //X. arboricola// pv. //juglandis// (Frutos //et al.//, 2010; see entry below). No resistance genes identified in walnut to date (Frutos //et al//., 2010; Lamichane, 2014; Jiang //et al//., 2019). Existence of some important accessions of Walnut //Juglans regia// with some levels of resistance to //X. arboricola //pv. //juglandis// (Lamichhane, 2014). A polyphenol oxidase enzyme was however shown to be associated with tolerance to //Brenneria rubifaciens//, //Brenneria nigrifluens//, and //X. arboricola// pv. //juglandis// (Frutos //et al.//, 2010; see entry below).
- 
 ==== Resistance gene: //jrPP01// (tolerance gene) ==== ==== Resistance gene: //jrPP01// (tolerance gene) ====
  
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 Encodes a polyphenol oxidase enzyme (jrPPO) expressed in the leaves, hulls and flowers of the host (Escobar //et al//., 2008). Encodes a polyphenol oxidase enzyme (jrPPO) expressed in the leaves, hulls and flowers of the host (Escobar //et al//., 2008).
- 
----- 
- 
-====== Hazelnut (//Corylus avellana// L.) ====== 
- 
-===== Pathogen: //Xanthomonas arboricola// pv. //corylina// ===== 
- 
-No resistance genes identified in hazelnut to date (Frutos, 2010; Lamichane & Varvaro, 2014). Problems on selection of varieties resistant to //X. arboricola// pv. //corylina// attacks (Avanzato //et al//., 2009). Existence of hazelnut cultivars with a low susceptibility level to //X. arboricola// pv. //corylina// (Prunier //et al//., 1976); some cultivars seem to be more tolerant than others, but no real resistance has been found (Frutos, 2010). 
  
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plant/fagales.1594031013.txt.gz ยท Last modified: 2020/07/06 12:23 by rkoebnik

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