Journal
JOURNAL OF PHYTOPATHOLOGY
Volume 160, Issue 4, Pages 167-180Publisher
WILEY
DOI: 10.1111/j.1439-0434.2012.01884.x
Keywords
charcoal rot; Macrophomina phaseolina; soybean; isolate variability; survival; life cycle; control measures; host resistance
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The fungus Macrophomina phaseolina is a causative agent of diseases in more than 500 plant species. The fungus is primarily soil-inhabiting but is also seed-borne in many crops including soybean. It survives in the soil mainly as microsclerotia that germinate repeatedly during the crop-growing season. Low C : N ratio in the soil and high bulk density as well as high soil moisture content adversely affect the survival of sclerotia. The disease can be managed to some extent by cultural practices, organic amendments, seed treatment and genetic host resistance. The scattered literature on these aspects is reviewed in this paper.
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