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Woubit Dawit
Woubit Dawit
Ethiopia
Publications
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Research Article
Distribution and Physiologic Races of Wheat Stem Rust in Tigray, Ethiopia
Author(s): Teklay Abebe, Getaneh Woldeab and Woubit DawitTeklay Abebe, Getaneh Woldeab and Woubit Dawit
Wheat stem rust caused by Puccinia graminis f. sp. tritici is amongst the biotic catastrophic diseases because of its ability to cause complete annihilation of wheat crops during epidemic years. The highland of Ethiopia is considered as a hot spot for the development of stem rust complex. Hence, this study was conducted to investigate the distribution and intensity; to detect the virulence diversity of the pathogen in South Tigray. The findings of this paper were based on stem rust surveys to compute the intensity; race analysis by inoculating isolates on to the 20 differential hosts. During the survey, 66 wheat fields were examined in 2010, of which 33.3% were affected. The overall mean incidence and severity of the disease were 15.6 and 8.5%, respectively. A total of 20 races were identified from 32 isolates, which included the most prevalent races TTSNK, RRJJC and HRJJC. Most of th.. View More»
DOI: 10.4172/2157-7471.1000142