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Effect of Constant Moisture Levels on Pythium Rot of Peanut Pods. Z. R. Frank, Division of Plant Pathology, The Volcani Center, Bet Dagan, Israel; Phytopathology 64:317-319. Accepted for publication 26 August 1973. DOI: 10.1094/Phyto-64-317.

Different constant levels of topsoil moisture were established by upward capillary movement of water from a basin through soil columns of different heights and were used to determine the influence of soil moisture on development of rot of peanut pods by Pythium myriotylum. Roots obtained water from a wet subsoil, whereas pods developed in a Pythium-infested, sandy, well-aerated topsoil. The wetter the topsoil, the higher the incidence of infected pods. However, some pod rot developed even in soil drier than the wilting range for mesophytes.

Additional keywords: Arachis hypogaea L.