Alleviation of Nickel Toxicity by Calcium Salinity

Heikal, M. M.; Berry, Wade L.; Wallace, A.; Herman, Donald J.

doi:10.1097/00010694-198906000-00006

Cited by 12 publications

(8 citation statements)

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“…Kopittke et al (2007) have also studied the effect of nickel concentration on the growth of Vigna unguiculata and found similar decrease in fresh weight and explained that the fresh weight of root and shoot was decreased at similar rate. The reduction in relative shoot and root mass by nickel treatment was also reported in Lactuca sativa L. (Heikal et al, 1989) and Phaseolus vulgaris L. (Piccini and Malavolta, 1992). In Glycine max, Vigna unguiculata and Vigna aconitifolia the growth rate was decreased as there was reduction in length by increasing the nickel concentration in the treatment.…”

Section: Effect Of Nickel On Growth Rate and Biomasssupporting

confidence: 62%

Effect of Nickel and Zinc Metal on Biomass and Growth Rate of Some Pulses.

Soni¹,

Korgaokar²

2016

IJAR

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Section: Effect Of Nickel On Growth Rate and Biomasssupporting

confidence: 62%

Effect of Nickel and Zinc Metal on Biomass and Growth Rate of Some Pulses.

Soni¹,

Korgaokar²

2016

IJAR

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“…Based on previous reports (Hunter and Vergnano 1952;Crooke and Inkson 1955;Brooks et al 1981;Gabbrielli and Pandolfini 1984;Heikal et al 1989), Ca and Ni were expected to strongly interact in both uptake and phytotoxicity of Ni. In Table 1, the analysis of variance for the main factors (solution Ca, solution Ni, plant species, and block) and interactions (solution Ca-x-solution Ni within species, and solution Ca-x-solution Ni-x-species) are reported.…”

Section: Resultsmentioning

confidence: 88%

“…As a general rule, increasing solution Ca inhibits plant uptake of Ni and other divalent cations (Heikal et al 1989;Uren 1992). Crooke and Inkson (1955) found that an increasing supply of Ca decreased Ni phytotoxicity symptoms in oat plants, but Ni uptake by the plants was not correlated with the level of symptoms found.…”

Section: Introductionmentioning

confidence: 99%

“…Unfortunately, the concentrations of Ca, Mg, and Ni used in the experiment had little relationship with soil solutions of serpentine soils in nature. Heikal et al (1989) measured "dose-response curves" to added Ni in a background of 1/10 strength Hoagland nutrient solution for lettuce seedlings with different background levels of CaCl 2 and showed a strong alleviation of Ni toxicity at higher solution Ca. Such inhibition of the phytotoxicity of Ni and other divalent metal ions has frequently been reported in the literature.…”

Section: Introductionmentioning

confidence: 99%

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Effects of calcium on nickel tolerance and accumulation in Alyssum species and cabbage grown in nutrient solution

Chaney

Chen

et al. 2008

Plant Soil

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Nickel (Ni) phytoextraction using hyperaccumulator plant species to accumulate Ni from mineralized and contaminated soils rich in Ni is undergoing commercial development. Serpentinite derived soils have a very low ratio of Ca/Mg among soils due the nature of the parent rock. In crop plants, soil Ca reduces Ni uptake and phytotoxicity, so it is possible that the low Ca of serpentine soils could limit hyperaccumulator plant tolerance of serpentine soils used for commercial phytomining. In this study, we investigated the effects of varied Ca concentration in the presence of high Mg characteristic of serpentine soils on Ni uptake and tolerance by serpentineendemic species Alyssum murale Waldst. et Kit. and A. pintodasilvae T.R. Dudley in comparison with cabbage (Brassica oleracea L. var. capita) in a nutrient solution study. The levels of Ca and Mg used were based on serpentine and normal soils, and Ni was based on achieving over 1% Ni in Alyssum shoots in preliminary tests. Varied solution concentrations of Ni (31.6-1,000 μM for Alyssum, 1.0-10 μM for cabbage) and Ca (0.128-5 mM) were used in a factorial experimental design; 2 mM Mg was used to mimic serpentine soils. Alyssum spp. showed much greater tolerance to high Ni, high Mg, and low Ca solution concentrations than cabbage. For Alyssum spp., Ni induced phytotoxicity was only apparent at 1,000 μM Ni with relatively low and high Ca/Mg quotient. In the 1,000 μM Ni treatment, shoot Ni concentrations ranged from 8.18 to 22.8 g kg −1 for A. murale and 7.60 to 16.0 g kg −1 for A. pintodasilvae. Normal solution Ca concentrations (0.8-2 mM) gave the best yield across all Ni treatments for the Alyssum species tested. It was clear that solution Ca levels affected shoot Ni concentration, shoot yield and Ni translocation from root to shoot, but the relation was non-linear, increasing with increasing Ca up to 2 mM Ca, then declining at the highest Ca. Our results Plant Soil (indicate that Ca addition to high Mg serpentine soils with very low Ca/Mg ratio may reduce Ni phytotoxicity and improve annual Ni phytoextraction by Alyssum hyperaccumulator species. Removal of shoot biomass in phytomining will require Ca application to maintain full yield potential.

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“…This value may be compared to 10 μM Ni for lettuce (Lactuca sativa L.) (Heikal et al 1989) and 17 μM Ni for bean (Phaseolus vulgaris L.) (Piccini and Malavolta 1992). A comparison of this critical Ni 2+ toxicity (1.4 μM) activity to that established for Cu 2+ toxicity (1.7 μM (Kopittke and Menzies 2006)) and Pb 2+ toxicity (0.2 μM for the shoot, and 0.07 μM for the root )) under similar experimental conditions in the present study indicates that for cowpea, Ni 2+ is of similar toxicity to Cu 2+ but is less toxic than Pb 2+ .…”

Section: Discussionmentioning

confidence: 99%

Toxic effects of Ni2+ on growth of cowpea (Vigna unguiculata)

2007

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Despite the importance of Ni-polluted soils throughout the world, comparatively little is known about the activity of Ni 2+ required to reduce plant growth and the effects that Ni 2+ toxicity has on the plant. Cowpea (Vigna unguiculata (L.) Walp. cv Caloona) was grown in dilute nutrient solutions to investigate the effect of Ni 2+ activity on shoot and root growth. A Ni 2+ activity of 1.4 μM was found to cause a 10 % reduction in the relative fresh mass of the root and shoots. The primary site of Ni 2+ toxicity was the shoots, with the younger leaves displaying an interveinal chlorosis (possibly a Niinduced Fe deficiency) at Ni 2+ activities ≥ 1.7 μM. Lateral root formation was inhibited in the two highest Ni 2+ treatments (3.3 and 5.1 μM), and the roots growing at the highest Ni 2+ activity were short and stubby and brown in color. However, no other symptoms of toxicity were observed on the roots at lower Ni 2+ activities.Kopittke, P.M., C

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Alleviation of Nickel Toxicity by Calcium Salinity

Cited by 12 publications

References 0 publications

Effect of Nickel and Zinc Metal on Biomass and Growth Rate of Some Pulses.

Effect of Nickel and Zinc Metal on Biomass and Growth Rate of Some Pulses.

Effects of calcium on nickel tolerance and accumulation in Alyssum species and cabbage grown in nutrient solution

Toxic effects of Ni2+ on growth of cowpea (Vigna unguiculata)

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