NDLI: Zinc-induced modulation of some biochemical parameters in a high- and a low-zinc-accumulating genotype of Cicer arietinum L. grown under Zn-deficient condition

Content Provider	Springer Nature Link
Author	Siddiqui, Shadab Naseer Umar, Shahid Iqbal, Muhammad
Copyright Year	2015
Abstract	This study presents a comparative account of biochemical responses evoked by a high-zinc-accumulating (HZnG) and a low-zinc-accumulating (LZnG) genotype of chickpea (Cicer arietinum L.) under conditions of zinc deficiency (0 mg ZnSO4 kg−1 soil) and on exogenous zinc supply (2.5, 5, and 10 mg ZnSO4 kg−1 soil), at different growth stages (pre-flowering, flowering, and post-flowering) of the crop. Both the genotypes exhibited significant variation in contents of chlorophyll, protein, nitrate, and leghemoglobin, and in the activity of enzymes (nitrate reductase, superoxide dismutase, and carbonic anhydrase), under zinc-limiting condition. The HZnG maintained a significantly higher level of biochemical parameters at deficient zinc levels, while LZnG was more affected by Zn deficiency (with reduced biochemical attributes), compared to HZnG. However, application of soil zinc alleviated the Zn-induced disturbance and improved the biochemical parameters in both genotypes. The differential biochemical response of plants to Zn deficiency indicated existence of genotypic variation in efficient utilization of the available Zn. The HZnG was more effective in overcoming Zn deficiency than the LZnG. This study suggests that metal-dependent biochemical parameters can be used as reliable indices for selection of genotypes with a better Zn utilization capacity, i.e., the Zn-efficient genotypes.
Starting Page	1335
Ending Page	1345
Page Count	11
File Format	PDF
ISSN	0033183X
Journal	Protoplasma
Volume Number	252
Issue Number	5
e-ISSN	16156102
Language	English
Publisher	Springer Vienna
Publisher Date	2015-02-12
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Zn accumulation Biochemical response Oxidative damage Nitrogen metabolism SOD CA Cell Biology Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science Medicine

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