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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 1
First page : (628) Last page : (636)
Article doi: http://dx.doi.org/10.18782/2320-7051.5914

Influence of Ferrous Sulfate and Sodium Nitroprusside on Physiology of Groundnut Genotypes

Kavita Kotyal1*, Ravi Mukkund2, R.V. Koti3 and Shivalingappa Bangi4
1,2&4Students University of Agricultural sciences Dharwad
3Professor University of Agricultural sciences Dharwad
*Corresponding Author E-mail: kavitakotyal@gmail.com
Received: 22.10.2017  |  Revised: 29.11.2017   |  Accepted: 4.12.2017  


Lime-induced iron chlorosis is a potential problem on most calcareous soils particularly in arid and semi-arid climates affecting most of the plants grown on them. Iron inactivation in plant tissue and organic anions held are responsible as the mechanism leading to the disorder which is still not fully understood, and there is a lack of agreement as to the primary factor responsible for lime-induced chlorosis. The combined application of sodium nitroprusside which is a source of nitric oxide and iron sulphate reduced the incidence of lime induced iron chlorosis compared to control by promoting higher Fe uptake, translocation and activation;and increased physiological parameters such as photosynthetic rate, transpiration rate and dry matter. Among genotypes GPBD-6 had higher photosynthetic rate and dry matter. These results clearly indicate that both the application of sodium nitroprusside and iron sulphate was effective in alleviating iron chlorosis in groundnut genotypes grown on calcareous soil.

Key words: Chlorosis, Iron deficiency, Photosynthesis, Dry matter

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Kotyal, K., Mukkund, R., Koti, R.V. and Bangi, S., Influence of Ferrous Sulfate and Sodium Nitroprusside on Physiology of Groundnut Genotypes, Int. J. Pure App. Biosci.6(1): 628-636 (2018). doi: http://dx.doi.org/10.18782/2320-7051.5914