Soil-applied zinc and copper suppress cadmium uptake and improve the performance of cereals and legumes

Murtaza, Ghulam, Javed, Wasim, Qadir, Manzoor and Aslam, Muhammad, (2016). Soil-applied zinc and copper suppress cadmium uptake and improve the performance of cereals and legumes. International Journal of Phytoremediation, 19(2), 199-206

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  • Sub-type Journal article
    Author Murtaza, Ghulam
    Javed, Wasim
    Qadir, Manzoor
    Aslam, Muhammad
    Title Soil-applied zinc and copper suppress cadmium uptake and improve the performance of cereals and legumes
    Appearing in International Journal of Phytoremediation
    Volume 19
    Issue No. 2
    Publication Date 2016-07-15
    Place of Publication Abingdon
    Publisher Taylor & Francis
    Start page 199
    End page 206
    Language eng
    Abstract The present study aimed to evaluate the effect of soil-applied Zn and Cu on absorption and accumulation of Cd applied through irrigation water in legume (chickpea and mung bean) and cereal (wheat and maize) crops. The results revealed that Cd in irrigation water at higher levels (2 and 5 mg L−1) significantly (p < 0.05) reduced the plant biomass while the soil application of Zn and Cu, singly or combined, favored the biomass production. Plant tissue Cd concentration increased linearly with the increasing application of Cd via irrigation water. While Cd application caused a redistribution of metals in grains, straw, and roots with the highest concentration of Cd, Zn, and Cu occurred in roots followed by straw and grains. Zinc addition to soil alleviated Cd toxicity by decreasing Cd concentration in plant tissues due to a possible antagonistic effect. The addition of Cu to the soil had no consistent effects on Zn and Cd contents across all crops. Inhibitory effects of Cd on the uptake and accumulation of Zn and Cu have also been observed at higher Cd load. Thus, soil-applied Zn and Cu antagonized Cd helping the plant to cope with its toxicity and suppressed the toxic effects of Cd in plant tissues, thus favoring plant growth.
    Copyright Holder Taylor & Francis
    Copyright Year 2016
    Copyright type Creative commons
    DOI 10.1080/15226514.2016.1207605
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    Created: Wed, 03 Jan 2018, 23:51:01 JST by Anderson, Kelsey on behalf of UNU INWEH