to identify resistant progenies in BC 3 F 1 population against sorghum downy mildew (SDM) incited by peronoclesropora sorghi. Sorghum downy mildew is one of the most serious diseases in maize producing areas throughout the world. P. sorghi (SDM) is a factor that limits maize production in several countries of Asia (Rifin 1983). Therefore, there is a need to develop the new maize cultivars with resistance to SDM in order to enhance the yield. In this present study, experiments were undertaken

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... er vigorous artificial infection conditions in spreader row technique during Rabi, 2013 for characterization of responses of 22 back cross progenies to the SDM; in which 16 progenies were confirmed as phenotypically resistant to sorghum downy mildew viz., UMI 79/936-C1-3-2, UMI 79/936-C1-3-4, UMI 79/936-C1-7-2, UMI 79/936-C1-29-8, UMI 79/936-C1-29-9, UMI 79/936- , UMI 79/936-C1-101-13 and UMI 79/936-C1-101-14. Resistant lines will be serve as basis material for developing single cross and double cross hybrids for resistance against sorghum downy mildew in maize.