Breeding for Resistance to Biotic Stresses

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Abstract

Biotic stresses are one of the major causes of economic damage in sorghum crop. These stresses that cause sorghum crop yield losses are large and diverse and include insects, diseases, and parasitic plants. Over 150 insects have been listed as pests or potential pests of sorghum (Jotwani and Young, Recent developments on chemical control of insect pests of sorghum, In: Sorghum in seventies, Oxford & IBH Pub Co, New Delhi, 1972; Reddy and Davies, Pests of sorghum and pearl millet, and their parasites and predators, recorded at ICRISAT Center, India up to August 1979, 1979). However, few of these like shoot fly, spotted stem borer, sorghum midge, and head bug are devastating insect pests of economic importance. Sorghum is also a host of many diseases that are caused by fungi, bacteria, viruses, nematodes, and parasitic plants. Of over 50 diseases reported, only limited pathogens are economically important globally; some are regionally and locally important in specific agroecosystems (Thakur et al., Screening techniques for sorghum diseases, Information Bulletin No. 76, International Crops Research Institute for the Semi-Arid Tropics, Hyderabad, India, 2007).

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Madhusudhana, R. (2021). Breeding for Resistance to Biotic Stresses. In Sorghum in the 21st Century: Food - Fodder - Feed - Fuel for a Rapidly Changing World (pp. 369–392). Springer Singapore. https://doi.org/10.1007/978-981-15-8249-3_16

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