Screening of Sorghum Genotypes against Charcoal Rot caused by Macrophomina phaseolina (Tassi) Goid

Chattannavar, S. N.; Bannur, Vinayaka A.

doi:10.20546/ijcmas.2020.904.260

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“…In most crops, resistance to M. phaseolina is not available but cultivars react differentially to root infection, suggesting the existence of horizontal/quantitative resistance. Although few sources of resistance of soybean (Mengistu et al, 2013b;Pawlowski et al, 2015), chickpea (Gupta et al, 2012b;Khan et al, 2013), sesame (El-Fiki et al, 2004b), and moderate resistance in sunflower (Jalil et al, 2013) and sorghum (Chattannavar & Bannur 2020) are available against dry root rot/charcoal rot, these may be area-specific due to pathogenic variation in M. phaseolina. Disease management using grafted plants and soil application of fungicides during the growing season has been reported in cucurbits (Cohen et al, 2016).…”

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Macrophomina phaseolina–host interface: Insights into an emerging dry root rot pathogen of mungbean and urdbean, and its mitigation strategies

et al. 2021

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Worldwide, dry root rot (also known as charcoal or crown root rot), caused by Macrophomina phaseolina, is an important disease affecting many plantation, arable, and horticultural crops including cereals and legumes (Iqbal & Mukhtar, 2014). Among the leguminous crops, dry root rot causes substantial yield losses in chickpea and soybean (Gupta et al., 2012a;Sharma et al., 2012). Mungbean (Vigna radiata) and urdbean (Vigna mungo), also known as green gram and black gram, respectively, are important leguminous crops in South Asia and other parts of the world. Worldwide, the total area under mungbean and urdbean cultivation is about 6 and 4 million ha, with total production of 3 and 2 million tonnes, respectively (Das et al., 2020;Veni et al., 2016). Both mungbean and urdbean are a rich source of key essential nutrients and dietary protein (AVRDC, 2012;Veni et al., 2016). Dry root rot is favoured by warm climatic conditions and water stress and has become a major disease of mungbean and urdbean in Myanmar, and an emerging disease in other South Asian

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