OAR@ICRISATKharif Sorghum Germplasm Collection in Karnataka and Adjoining AreasK EPrasada RaoauthorVGopal ReddyauthorAn assessment of the present world collection of sorghum maintained at ICRISAT reveals that the majority of the germplam constitute either experimental accessions which are generally photo insensitive or authentic indigenous races from tropical countries which are photosensitive. Most of the landraces assembled from tropical countries including India behave photoperiod sentitive when grown in a long day (rainy) seson at Patancheru (17 27'N latitude) indicating the lacking of early insensitive types especially from India. There are very few pockets in South India where early kharif types are cultivated among which Northern Karnataka and its adjoining areas are very important. These areas were not adequately collected in earlier missions and their valuble germplasm are facing severe threat from hybrid and improved sorghum varieties. More landraces from this region may provide valuable source material for sorghum improvement programs particularly for earliness probable resistance to drought (several areas are drought prone). They may also possess weathering resistance because of their maturity during rainy seasonSorghum1980International Crops Research Institute for the Semi-Arid TropicsMonograph

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