Evaluation of multiple stress tolerant groundnut genotypes for productivity and nutritional quality in Nigeria uri icon

abstract

  • Groundnut plays a very important economic role for smallholder farmers in the semi-arid tropics as a major cash crop for many households; a nutritious and safe food thereby contributing to improved health of the ruralpopulation. It is rich in protein, oil and micronutrients such as iron and zinc. High iron and zinc contents areespecially beneficial for women and children at risk of anemia and have proven to be genetically malleable. Higholeic acid and low linoleic acid make groundnut oil ideal for storage and better human health. Evaluation of 541advanced breeding lines along with locallandraces and improved varieties for their reaction to drought, rosetteand foliar diseases besides productivity parameters over two locations during 2014 main season resulted inidentification of 45 promising lines with significantly superior pod yield (1304-2796 kg/ha) compared to checkentries (189-1005 kg/ha). Further, these superior genotypes were evaluated for nutritional quality and in trialsduring 2014115 dry season to confirm their superiority. Nutritional quality (oil, OIL ratio, protein, Fe and Zncontent) analyses lead to the identification of nutritionally dense genotypes. Genotypes ICGV IS 11060, Samnut23, ICGV 00064, ICGV 01276, ICGV IS 07827 and Kampala had high oil content (53-54%); while ICGV 07813had high OIL ratio of 6.1 followed by ICGV IS 09992, ICGV SM 05593 and ICGV SM 06722 with 3.0 OILratio. Genotypes ICGV IS 07833, ICGV IS 3980, ICGV SM 08553 and rCG 5891 had high protein (30-32%), Zn(46-51 ppm) and Fe (23-34 ppm) content. These serve as ideal genetic resources to develop agronomicallysuperior and nutritionally enhanced groundnut cultivars with multiple resistances to biotic and abiotic stresses

publication date

  • 2015