Stalk Rot of Maize: Host-pathogen Interaction |
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Authors: | K R Chambers |
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Institution: | Grain Crops Research Institute, Potchefstroom, South Africa |
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Abstract: | Four maize cultivars were each separately inoculated with 10 different isolates of Diplodia zeae, Fusarium moniliforme, F. graminearum and Macrophomina phaseolina. D. zeae consistently caused most stalk rot, followed in decreasing order by M. phaseolina, F. graminearum and F. moniliforme. Significant intraspecific differences in stalk rot were recorded. No significant stalk rot x cultivar interaction occurred. Stalk rot correlated non-significantly with yield loss but significantly with cellulase production in vitro. |
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