OAR@ICRISATRegistration of ‘Serenut 6T’ GroundnutD KOkelloauthorC MDeomauthorNPuppalaauthorEMonyoauthorBBravo-Uretaauthor’Serenut 6T’ (Reg. No. CV-136, PI 682726) is a high-yielding, Spanish-type groundnut (Arachis hypogaea L. subsp. fastigiata var. vulgaris) with two seeds per pod. Serenut 6T was released in 2010 by the National Semi-Arid Resources Research Institute, Soroti, Uganda. Serenut 6T was a selection from the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) advanced line ICGV-SM 99566, which originated from a cross made between ‘ICGV 93437’ and ‘ICGV-SM 93561’. ICGV-SM 99566 was developed by using repeated bulk selections for groundnut rosette disease (GRD) resistance. Replicated performance trials were conducted in Uganda in 2008 and 2009. Trials were performed in two seasons each year for a total of 24 rainfed trials in Uganda. Serenut 6T matures in 90 to 95 d, similar to the widely grown control cultivar Serenut 4T. Serenut 6T resulted in significantly higher pod yields (43.1%) than Serenut 4T. While the shelling percentage for Serenut 6T was 7.9% lower than Serenut 4T, Serenut 6T is easier to shell by hand, a trait preferred by farmers. The seed testa is tan, and the seed is larger than that of Serenut 4T. The sound mature kernel weight for Serenut 6T was 38.1 g 100−1 seed compared with 29.4 g 100−1 seed for Serenut 4T, an increase of 29.6%. Compared with Serenut 4T, Serenut 6T is a higher-yielding cultivar with more durable resistance to GRD.Groundnut2017Crop Science Society of AmericaArticle

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