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Effects of sodic water irrigation on growth, physiological relations and ion uptake in two Ziziphus rootstocks

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Title Effects of sodic water irrigation on growth, physiological relations and ion uptake in two Ziziphus rootstocks
Not Available
 
Creator Anshuman Singh
Ashwani Kumar
Rajkumar
Parvender Sheoran
R. K. Yadav
 
Subject Growth, Indian jujube, Ion uptake, Leaf physiology, Residual sodium carbonate, Salt stress, Sodic irrigation
 
Description We studied the effects of sodic irrigation on growth, physiological parameters and mineral partitioning in Zizyphus
rotundifolia (ZR) and Z. spina-christi (ZS) seedlings used as rootstocks for Indian jujube scion cultivars. Plants grown
in normal soils were irrigated with fresh (control) and three kinds of sodic waters having residual sodium carbonate
(RSC) levels of 3, 6 and 9 meq/l. Both the species displayed appreciable decreases in fresh and dry weights of shoots
and roots at RSCiw level of 9 meq/l. Leaf chlorophyll and chlorophyll fluorescence also decreased with increasing
sodicity. While leaf proline content remained unchanged up to RSCiw 3 meq/l, plants treated with 9 meq/l sodic water
had nearly twofold higher leaf proline than control indicating that it could play a major role in osmotic adjustment in
salt stressed plants. Na+ and Cl-
contents increased while K+ and Ca2+ declined in different plant parts with increase in
RSCiw. Na+: K+ ratio was higher at a given RSCiw in leaves and roots of ZS and in stems and roots of ZR reflecting
better Na+ exclusion by ZR. ZR leaves also had less Cl-
than ZS at a given RSCiw. Owing to these adaptive traits,
both the species could tolerate RSCiw up to 6 meq/l.
RKVY
 
Date 2018-09-29T10:20:09Z
2018-09-29T10:20:09Z
2018-09
 
Type Research Paper
 
Identifier Singh, A., Kumar, A., Rajkumar, Sheoran, P. and Yadav, R. K. (2018). Effects of sodic water irrigation on growth, physiological relations and ion uptake in two Ziziphus rootstocks. Indian Journal of Agricultural Sciences, 88(9), 1413-1418.
http://krishi.icar.gov.in/jspui/handle/123456789/7408
 
Language English
 
Publisher ICAR