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Browsing Natural and Agricultural Sciences by Postgraduate "Sanders, Gina Mercia"
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(University of Pretoria, 2013)The yearly losses incurred by bacterial blackspot disease are high. Often trees are asymptomatic, with the pathogen either in the resident phase or latent stage of infection. Detection of the pathogen in these asymptomatic ...
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(University of Pretoria, 1993)The yearly losses incurred by bacterial blackspot disease are high. Often trees are asymptomatic, with the pathogen either in the resident phase or latent stage of infection. Detection of the pathogen in these asymptomatic ...
Now showing items 1-2 of 2