Effect of arsenic on visible symptom and arsenic concentration in hydroponic Japanese mustard spinach

Shaibur, Molla Rahman; Kawai, Soshi

doi:10.1016/j.envexpbot.2009.06.001

Cited by 53 publications

(24 citation statements)

References 36 publications

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“…For example, in this study water spinach and celery species had the ability to accumulate more arsenic with average concentrations of 100.97 mg kg -1 and 58 mg kg -1 in their shoots. Our results are consistent with others studies who have indicated that leafy vegetable spinach contained higher concentrations of As in shoots (Shaibur et al, 2009). Moreover, people may intake much amount of As without knowing the presence of high As in the vegetable.…”

Section: Depletion Of As Concentration In Nutrient Solutionsupporting

confidence: 94%

“…Arsenic concentrations in shoot of 5 species were found to follow the trend: Lettuce <Romaine< Amaranth< Celery< Spinach ( Figure 1). Shaibur et al (2009) reported that the specialty of water-spinach is that it accumulated higher concentrations of As in shoot without showing visible toxicity symptoms. This was very similar to what we found in this study.…”

Section: Genotypic Variations In Shoot As Concentration and Accumulationmentioning

confidence: 99%

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A Preliminary Study on Genetic Variation of Arsenic Concentration in 32 Different Genotypes of Leafy Vegetable

Kumwimba¹,

Zeng²,

Bai³

et al. 2014

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Leafy vegetables are a food crop with higher protein and are also important source of minerals which are essential for good health. Due to the large consumption, it is necessary to decrease the arsenic (As) concentration in leafy vegetable to avoid the potential risk to human health. The current study is aimed at assessing arsenic (As) accumulation ability and identification of cultivars with less As concentration that could be grown in As contaminated farmland for food safety. A set of thirty two leafy vegetable cultivars from 5 species were compared in hydroponics for 2 weeks having moderate level of 0-control and 6 mg As L -1 . At harvest, plants were sampled and analyzed for As concentration. Significant genotypic variations were observed in the shoots As concentration, translocation and bioaccumulation factors revealing more than 8 and 25 times cultivar differences in shoot As concentration, and in translocation factors respectively. This result revealed that As concentration in shoot was in part governed by the greater ability of root-shoot translocation. Cultivar Sijibaiye (SJBY) had the lowest shoot As concentration while the highest was detected in Dayekongxincai (DYKXC). The average As concentration in roots were found to be ten to twenty times higher than those observed in shoots, indicating that there is restricted transport of As from the root system to the shoot of cultivars. Therefore, it has been suggested that there is possibility to lower the As concentration in leafy vegetables by selecting and breeding cultivars with less As concentration that can be safely grown in contaminated soils with the slight and moderate levels of As for safe consumption.

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Section: Depletion Of As Concentration In Nutrient Solutionsupporting

confidence: 94%

Section: Genotypic Variations In Shoot As Concentration and Accumulationmentioning

confidence: 99%

A Preliminary Study on Genetic Variation of Arsenic Concentration in 32 Different Genotypes of Leafy Vegetable

Kumwimba¹,

Zeng²,

Bai³

et al. 2014

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“…Moreover, the inhibition of biomass accumulation may also result from inhibition of cell division resulting in the decline in growth [45]. At higher As concentrations it might be due to the reduced enzyme activity [46][47][48] and/or the As-induced oxidative stress [39,48].We have also been observed in our earlier studies, as influenced by heavy metals induced oxidative stress in Indian mustard by modulation of antioxidant enzymes [49][50][51][52][53][54][55][56][57].…”

Section: Discussionmentioning

confidence: 63%

Screening Indian Mustard Genotypes for Phytoremediating Arsenic‐Contaminated Soils

Ansari

Shao

Umar

et al. 2012

CLEAN Soil Air Water

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Ten Indian mustard (Brassica juncea L.) genotypes were screened for their phytoremediation potential for arsenic (As) contaminated water under laboratory-controlled conditions. The genotypes were grown in a hydroponic chamber for 20 days in 250-mL beakers containing As-contaminated water. During plant development, changes in plant growth, biomass, and total As were evaluated. Of the 10 genotypes (Pusa Agrani, BTO, Pusa Kranti, Pusa Bahar, Pusa Bold, Pusa Basant, Pusa Jai Kisan, Arka Vardhan, Varuna, and Vaibhav) Pusa Jai Kisan was the most effective in phytoremediating Ascontaminated water under hydroponic conditions. This will provide new information for Indian mustard genotypes for phytoremediating As-contaminated soils.

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“…Other researchers have reported similar findings at low As concentrations with potato (Solanum tuberosum L.) (Jacobs, Keeney, & Walsh, 1970), maize (Woolson et al, 1971), rice (Marin et al, 1992), Spartina patens and S. alterniflora (Carbonell-Barrachina et al, 1998), and Japanese mustard spinach (Brassica rapa L. var. pervirdis) (Shaibur & Kawai, 2009). …”

Section: Dry Weightmentioning

confidence: 99%

Nutrient Uptake of Ornamental Plants Exposed to Arsenic in Hydroponic Solution

Reed¹,

Ayala-Silva²,

Dunn³

et al. 2013

JAS

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Arsenic-based agro-chemicals have contaminated considerable acreage on turf-farms, orchards, and around horticultural production structures. A study was undertaken to evaluate iris (Iris savannarum), switchgrass (Panicum virgatum), Tithonia rotundiflora, Coreopsis lanceolata, sunflower (Helianthus annuus), and marigold (Tagetes erecta) for their potential use as arsenic (As) accumulator plants. Plants were grown hydroponically with a modified Hoagland solution containing either 0, 10, 50 or 70 uM As (0.0, 0.75, 3.75, 5.25 mg L -1 , respectively). At 5.25 mg As L -1 solution there were no significant reductions in dry weight below that of the controls for iris marigold and sunflower. Maximum shoot As content (mg) for coreopsis and tithonia was reached at 0.75 and for switchgrass at 3.75 mg As L -1 solution. Iris marigold and sunflower maximum shoot As levels occurred at a solution concentration above 5.25 mg As L -1 solution, the high level used in this study. In general P decreased and S increased with increasing solution As. Marigold, switchgrass and sunflower, species that tolerated As at the levels used in this study, had a weak negative correlation between As and Cu concentrations in common. In these species As in hydroponic solution had no effect, or even slightly enhanced, P uptake compared to controls. Arsenic sensitive species coreopsis and tithonia had weak negative correlations between As and K and P in common.Coreopsis and tithonia appears to have a competitive uptake mechanism between arsenate with phosphate. Arsenic tolerance in iris appears to be a result of prohibiting As accumulation in root tissue.

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Effect of arsenic on visible symptom and arsenic concentration in hydroponic Japanese mustard spinach

Cited by 53 publications

References 36 publications

A Preliminary Study on Genetic Variation of Arsenic Concentration in 32 Different Genotypes of Leafy Vegetable

A Preliminary Study on Genetic Variation of Arsenic Concentration in 32 Different Genotypes of Leafy Vegetable

Screening Indian Mustard Genotypes for Phytoremediating Arsenic‐Contaminated Soils

Nutrient Uptake of Ornamental Plants Exposed to Arsenic in Hydroponic Solution

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