PJB-2003-122
EFFECT OF SOIL MOISTURE ON THE COLONIZATION OF MACROPHOMINA PHASEOLINA (TASSI) GOID. ON ROOTS OF MASH BEAN
TARIQ HUSAIN AND ABDUL GHAFFAR*
Abstract
Plants showed vigorous growth of root and shoot system in unstressed natural soil and also soil artificially infested with sclerotia of Macrophomina phaseolina compared to stress conditions. In stress and soil artificially infested with M. phaseolina the plants showed black colouring and withering of aerial parts after 30 days' growth. Colonization of M. phaseolina was more on primary roots compared to the secondary roots in early stages, whereas, at later stages of plant growth the secondary roots were more infested. The colonization was more in artificially infested soil compared to natural soil.
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