Chickpea Landraces: A Valuable and Divergent Source for Drought Tolerance
Citation
Tapan Kumar Mondal, chellapilla Bhardwaj, Aqeel Rizvi, Ashutosh Sarker, Shailesh Tripathi, Afroz Alam, S. K. Chauhan. (28/9/2015). Chickpea Landraces: A Valuable and Divergent Source for Drought Tolerance. International Journal of Tropical Agriculture, 33 (3), pp. 633-638.
Abstract
Chickpea incurs heavy yield losses due to terminal heat and drought as it is largely grown under rainfed restricted
irrigated conditions on residual soil moisture. The narrow genetic base among cultivated chickpea accessions is limiting genetic
improvement of chickpea through breeding efforts. Exploring the extent of natural variation among cultivated chickpea accessions
for drought tolerance is important to develop pre-breeding and breeding strategies for chickpea. Thirty sevenlandracesrepresenting
fivecountries and fourteen provinces obtained from ICARDA evaluated for theirRelative Water Content (RWC) and Membrane
Stability Index (MSI) which are established physiological parameters for drought tolerance.Theanalysis intoRWC has indicated
wide variability in the landraces for drought tolerance.RWC followed a similar pattern to MSI. The genotypes IG5856(Jordan)
and IG5904 (Iraq) were having higher MSI and higher RWC indicating theirsuitability as donors for terminal drought tolerance
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