Collection, GIS mapping and conservation of broomcorn sorghum from Uttarakhand, India

Directorate of Sorghum Research (DSR) and GBPUA&T has explored Uttarakhand state and a total of thirty broomcorn sorghum accessions were collected from five districts. The maximum frequency of 9 accessions were collected from Almora and Chamoli districts, followed by Bageshwar (6), Rudraprayag (5) and Nainital comprising only one accession. The germplasm collection represented with all basic races of sorghum viz., bicolor (3), bicolor caudatum (3), durra (1), and guinea-bicolor (18). The variability within the collections is very high. Most of the accessions are very tall (16) in plant height, very loose ear head (21), bold seeded (29) and grayed orange colour seed (24). Almora, Bageshwar and Nainital districts having (1.8934 – 2.000) with highest landraces diversity, whereas in Rudra Prayag and Chamoli districts showed medium (1.000 – 1.8229) landraces diversity. Almora, Bhageshwar and Nainital districts having high races diversity (0.66 –1.00); whereas in Rudraprayag and Chamoli districts having least (0-0.65) races diversity. Rudraprayag and Chamoli districts showed high diversifying area with (3-4) races richness followed by Nainital, Bhageshwar and Almora districts having (1-3) racial richness.