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Genotypic differences for salt tolerance in bael (Aegle marmelos) cultivars

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Title Genotypic differences for salt tolerance in bael (Aegle marmelos) cultivars
 
Creator ANSHUMAN SINGH, PARBODH C SHARMA, ASHWANI KUMAR, M D MEENA and D K SHARMA
 
Subject Bael cultivars, Genotypic differences, Mineral partitioning, Physiological relations
 
Description Salinity induced changes in physiological relations and the concomitant effects on plant growth were recorded
in four bael (Aegle marmelos Correa) cultivars, viz. NB-5, NB-9, CB-1 and CB-2. Plants raised in normal soil
(ECe
1.3 dS/m) were irrigated with tap (ECiw 0.5 dS/m) and saline (ECiw 3 and 6 dS/m) waters. Data were recorded for
growth, physiological parameters and mineral nutrition 180 days after imposing the salt treatments. NB-5 outperformed
other cultivars under saline conditions by maintaining higher leaf chlorophyll and proline levels, retaining Na+ ions
in stem and root tissues and by preferentially accumulating K+ and Ca2+ ions to overcome the toxic effects of Na+.
Break down of salt tolerance in other cultivars at 6 dS/m salinity can be explained by build up of Na+ to the toxic
levels and an accompanying decrease in leaf and stem K+ concentrations. Based on these findings, bael cultivar NB-5
appears to be suitable for commercial cultivation in salt-affected soils.
ICAR
 
Date 2018-05-01T09:28:09Z
2018-05-01T09:28:09Z
2018-03
 
Type Research Paper
 
Identifier Singh, Anshuman, Sharma, P.C., Kumar, Ashwani, Meena, M.D. and Sharma D.K. 2018. Genotypic differences for salt tolerance in bael (Aegle marmelos) cultivars. Indian Journal of Agricultural Sciences, 88 (3): 435–441.
http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/78526/32300
http://krishi.icar.gov.in/jspui/handle/123456789/6052
 
Language English
 
Publisher ICAR, New Delhi