Summary
1. Observations on the composition of the micro-flora in the rhizosphere of Gros Michel and Congo banana are communicated. Bacteria, other than aerobic spore bearing species, are preferentially supported by the roots of both varieties.
2. Micro-organisms capable of producing antibiotics inhibiting the growth ofFusarium oxysporum-cubense were occasionally met with but there was no difference in their distribution over the two banana varieties.
3. No specific influence of soil types, showing extreme different grades of severeness of Panama Disease, on the composition of the rhizosphere microflora could be observed.
4. No specific influence of roots of the two banana varieties on the survival time ofFusarium oxysporum-cubense in soil samples could be detected.
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References
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Meredith, C. H., Phytopathology34, 426 (1944).
Wardlaw, C. W., “Diseases of the Banana”, 1935, p. 54.
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Rombouts, J.E. The micro-organisms in the rhizosphere of banana plants in relation to susceptibility or resistance to Panama Disease. Plant Soil 4, 276–288 (1953). https://doi.org/10.1007/BF01343843
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DOI: https://doi.org/10.1007/BF01343843