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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Incidence and severity of sorghum anthracnose in Ethiopia
Plant Pathology Journal, Volume 9, No. 1, Year 2010
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Description
A two year survey was conducted to determine incidence and severity of sorghum anthracnose in different sorghum growing regions in Ethiopia. A total of 487 fields in 49 districts were surveyed in each of the 2005 and 2007 production season. Incidence of sorghum anthracnose was assessed as the percentage of plants with visible symptoms in a field and anthracnose severity was evaluated as the percentage of leaf area with symptoms. Also, the relationship of the incidence and severity of the disease to the altitude of the fields and weather conditions were determined. Results from the 2 years survey revealed that sorghum anthracnose is present in most (84%) of the survey districts. However, both incidence and severity of the disease varied significantly (p<0.0001) among the survey areas. Anthracnose incidence ranged from 0 to 77% and severity of the disease varied between 0 and 59% on average for the two years. The two year average anthracnose severity classes ranged from trace (<5%) to severe (up to 59%) and the disease was generally more severe in the Southwest and South regions. However, some districts in the East and North Ethiopia also had fields with severe anthracnose infection. It was also found out that the prevailing weather conditions especially rainfall has a significant impact on both anthracnose incidence and severity. © 2010 Asian Network for Scientific Information.
Authors & Co-Authors
Chala, Alemayehu
Ethiopia, Awassa
Hawassa University
Norway, As
Norges Miljø- og Biovitenskapelige Universitet
Norway, As
Norsk Institutt for Bioøkonomi
Brurberg, May Bente
Norway, As
Norges Miljø- og Biovitenskapelige Universitet
Norway, As
Norsk Institutt for Bioøkonomi
Tronsmo, Anne Marte
Norway, As
Norges Miljø- og Biovitenskapelige Universitet
Statistics
Citations: 34
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.3923/ppj.2010.23.30
ISSN:
15982254
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative
Study Locations
Ethiopia