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Assessment of Pathogenicity Assay of Ascochyta rabiei Isolates Using Chickpea Differential Genotypes

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Title Assessment of Pathogenicity Assay of Ascochyta rabiei Isolates Using Chickpea Differential Genotypes
 
Creator Istanbuli, Tawffiq
Tawkaz, Sawsan
Moukahel, Abdulrahman
Kemal, Seid Ahmed
Hamwieh, Aladdin
 
Subject chickpeas
Chickpea
ascochyta blight
climate adaptation and mitigation
nutrition, health and food security
 
Description Ascochyta blight caused by Ascochyta rabiei, is the most destructive disease in many chickpea growing countries. Many chickpea varieties were out of production due to increased virulence/aggressiveness of the pathogen in some countries. The aim of this study was to assess variation in pathogenicity of 25 A. rabiei collected in different years from Syria, Lebanon, Uzbekistan, and France. The pathogen phenotyping was done using five genotypes (ILC3279, ILC482, ICC3396, ICC12004, and Genesis090) under controlled conditions (humidity >85, temperature 18-20 °C, light/dark 18:6 h) at the International Center of Agricultural Research in the Dry Area (ICARDA), Terbol station, Lebanon. Five genotypes carrying different resistant genes have been used in this study, and a highly susceptible genotype (ILC263). was used as a control. A total of 25 sets of these genotypes, each genotype has two replications that have been planted and inoculated with the 25 A. rabiei isolates. The symptoms were measured two times using a 1–9 disease symptoms rating scale (RS) when the susceptible control was RS >6. The result showed high significant differences between genotypes (G) (P
 
Date 2022-10-12
2023-01-24T21:40:09Z
2023-01-24T21:40:09Z
 
Type Conference Paper
 
Identifier Tawffiq Istanbuli, Sawsan Tawkaz, Abdulrahman Moukahel, Seid Ahmed Kemal, Aladdin Hamwieh. (12/10/2022). Assessment of Pathogenicity Assay of Ascochyta rabiei Isolates Using Chickpea Differential Genotypes. Wagga Wagga, Australia.
https://hdl.handle.net/10568/128125
 
Language en
 
Rights Limited Access
 
Format application/pdf
 
Publisher Australian National Chickpea Ascochyta Blight