An epidemiological analysis of the Phytophthora and Alternaria blight pathosystem in the Natal Midlands.
The history of the development in Natal of a forecasting service to warn of outbreaks of late blight disease caused by Phytophthora infestans is presented. The late blight pathogen and Alternaria solani, the causal organism of early blight disease, interact on potatoes and tomatoes to form a blight...
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| Language: | en_ZA |
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2014
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| Online Access: | http://hdl.handle.net/10413/11175 |