This study was undertaken with the objective of evaluating micro-dosing of mineral fertilizer combined with seed priming in sorghum, groundnut, sesame, and cowpea. On-station and on-farm trials were conducted for two consecutive seasons

Twelve genotypes of groundnut (Arachis hypogaea L.) were executed under rain-fed conditions in a semi-arid zone at the Research farm of El Fasher Research Station, Sudan for two consecutive seasons 2006 and 2007. Genotypic and phenotypic variability, heritability in a broad sense and genetic advance were estimated in a randomized complete block design with four replications. High heritability estimate (above 95 %) was recorded by hay yield (kg/ha) in both seasons and 100- seed weight in season 2006. Moreover, the high genetic advance was recorded for hay yield (kg/ha) and pod yield (kg/ha) in both seasons. However, a day to 50% flowering was expressed low genotypic coefficient of variation with low genetic advances in both seasons. Highly significant different among genotypes were found for days to 50% flowering, hay yield (kg/ha), shelling (%), while pod yield (kg/ha) and 100- seed weight were observed non-significant. The high yielding genotype was ICGV93260 with a pod yield of 1389.1 kg/ha. Pod yield (kg/ha) was highly significantly and positively correlated with hay yield (kg/ha), shelling (%) and 100- seed weight, while non-significant and negative correlated with days to 50% flowering. Based on the results the characters hay yield (kg/ha), shelling (%), 100- seed weight and days to 50% flowering to be the important characters which would be used in selection for groundnut improvement. The promising genotype identified in this study could provide valuable sources of resistance to climate-change-related stresses and for other consequent breeding activities in groundnut improvement. DOI: http://dx.doi.org/10.3126/ije.v3i3.11060 International Journal of Environment Vol.3(3) 2014: 16-23

A field experiment was conducted under rain fed condition for two seasons (2011 and 2012) at two locations in North Kordofan, Sudan at Elobeid Research Station farm and Faris village, to study the effect of NPK micro dose on yield, oil and protein content of six groundnut genotypes with two NPK micro-doses, 0.0 g (control) and 0.6 g per hole. A randomized Complete Block Design with four replications was used. The characters yield and its component, oil % and protein % content were measured. The results of the combined and interaction analysis showed that there were significant (p =0.05) differences were observed for pod yield, hay yield, number of pods per plant, hundred seed weight and maturity, while differences in shelling percentage and harvest index were not significant. The high value of oil content % released by Sodiri variety with NPK treatment and the high value of protein recorded by Gibiesh with NPK treatment. Generally we concluded that the micro doses of NPK improved yield and protein of groundnut.

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