1. Response of groundnut (Arachis hypogaea L.) genotypes to soil fertilization of micronutrients in alfisol conditions
- Author
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P. Arunachalam , P. Kannan, J. Prabhaharan, G. Prabukumar and Zadda Kavitha
- Subjects
Groundnut ,biofortification ,variability ,micronutrient ,zinc ,Plant culture ,SB1-1110 - Abstract
In this study, an attempt was made to assess the genetic variability of kernel micronutrients and to enrich the micronutrientcontent in groundnut. Twenty one different genotypes and three cultivars were evaluated for micronutrient response underalfisol condition. To enhance the soil micronutrient availability recommended dose of Fe and Zn were applied as basal. Theexperiment was conducted at Dryland Agricultural Research Station, Chettinad under rainfed condition during August toDecember 2011. Yield parameters and micronutrients content in kernel were assessed. In alfisol, basal application of Zn andFe enhanced the soil available Zn and Fe content. Basal application of micronutrients increased the kernel Zn content to anaverage of 28.7 per cent and pod yield of 12.6 per cent in groundnut cultivars. Significant genetic variability was observedamong genotypes for Fe, Zn, Cu and Mn enrichment in kernel. The accessions ICGV 07225, ICGV 07222, ICGV 07247and ICGV 07220 were having inherent ability to load high zinc content in kernel with high pod yield per plant. Fordeveloping high yielding zinc dense cultivars, the genotype identified in this study are to be tested in diverse environmentsfor their stability
- Published
- 2013