Journal of Food, Agriculture and Environment

Effect of increasing concentrations of sodium carbonate on pearl millet Pennisetum americanum

Author(s):

Ghulam M. Ali ¹, J. C. Collins ². T. McNeilly ²

Recieved Date: 2004-01-11, Accepted Date: 2004-04-22

Abstract:

Significant reduction of seedling root length was observed, due to increased concentration of Na₂CO₃ and considerable variation was found between accessions for growth in salt. Analysis by non-linear least square inversion method using root length data revealed significant differences in pearl millet accessions on the basis of salinity threshold Ct, the Na₂CO₃ solution concentration at which root length begins to decrease. The concentration caused a 50% decrease in root length (C50) and the concentration causing zero root growth (C0). From the comparison of these three characters, C50 appears to be a useful character by means of assessing and quantifying salinity tolerance.

Keywords:

Pearl millet, Pennisetum americanum, sodium carbonate, salinity

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Journal: Journal of Food, Agriculture and Environment
Year: 2004
Volume: 2
Issue: 2
Category: Agriculture
Pages: 265-272

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