Summary
The severity of a groundnut (Arachis hypogaea L.) pod rot caused byPythium spp. was found to depend on crop rotation. In order to evaluate Pythium in the soil, baits ofSorghum vulgare Pers. kernels soaked with Pimaricin were used. Most baited Oomycetes were identified asPythium spp. The relative population density of Oomycetes in the soil, one year before the final groundnut harvest, was indicative of pod rot incidence at that harvest.
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Literature cited
Frank, Z. R., Effect of irrigation procedure onPythium rot of groundnut pods. Plant Disease Rept51, 414–416 (1967).
Frank, Z. R., Pythium pod rot of peanut. Phytopathology58, 542–543 (1968).
Hine, R. B., and Luna, Lina V., A technique for isolatingPythium aphanidermatum from soil. Phytopathology53, 727–728 (1963).
Schmitthenner, A. F., Isolation of Pythium from soil particles. Phytopathology52, 1133–1138 (1962).
Additional information
Part of work toward a Ph. D. thesis carried out at The Hebrew University of Jerusalem. Thanks are due to I. Wahl for his advice and criticism. Contribution from the Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel; 1971 Series, No.1862-E.
Division of Plant Pathology.
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Frank, Z.R. Groundnut pod rot potential in three crop rotations, as indicated by the relative pythium population in soil. Plant Soil 36, 89–92 (1972). https://doi.org/10.1007/BF01373459
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DOI: https://doi.org/10.1007/BF01373459