Accumulation and effect of arsenic on tomatoes

Miteva, E.

doi:10.1081/css-120004832

Cited by 68 publications

(40 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Miteva (2002) reported decrease in growth of both the vegetative and root system, of tomato plants at higher As concentrations. An index of depression, calculated on the basis of morphological parameters (e.g.…”

Section: Impact Of Arsenic (As) Toxicity On Growth and Productivitymentioning

confidence: 94%

“…It causes physiological changes (Marin et al 1992;Wells and Gilmor 1997;Smith et al 2010), interfere with metabolic processes, inhibits plant growth, and ultimately reduction of crop productivity (Miteva 2002;Stoeva et al 2004). Toxicity may result from the binding of metals to sulfhydryl (-SH) groups in proteins, leading to inhibition of activity or disruption of structure, or from the displacing of an essential element resulting in deficiency effects (Van Assche and Clijsters 1990;Delnomdedieu et al 1994).…”

Section: Arsenic In the Environment Its Physical And Chemical Propermentioning

confidence: 99%

See 1 more Smart Citation

Arsenic toxicity in crop plants: physiological effects and tolerance mechanisms

2011

View full text Add to dashboard Cite

Heavy metals are toxic substances released into the environment, contributing to a variety of toxic effects on living organisms in food chain by accumulation and biomagnifications. Certain pollutants such as arsenic (As) remain in the environment for an extensive period. They eventually accumulate to levels that could harm physiochemical properties of soils and lead to loss of soil fertility and crop yield. Arsenic, when not detoxified, may trigger a sequence of reactions leading to growth inhibition, disruption of photosynthetic and respiratory systems, and stimulation of secondary metabolism. Plants respond to As toxicity by a variety of mechanisms including hyperaccumulation, antioxidant defense system, and phytochelation. Arbuscular mycorrhizae symbiosis occurs in almost all habitats and climates, including disturbed soils. There is growing evidence that arbuscular mycorrhizae fungi may alleviate metal/metalloid toxicity to host plant. Here, we review (1) arsenic speciation in the environment and how As is taken up by the roots and metabolised within plants, and (2) the role of arbuscular mycorrhizae in alleviating arsenic toxicity in crop plants.

show abstract

Section: Impact Of Arsenic (As) Toxicity On Growth and Productivitymentioning

confidence: 94%

Section: Arsenic In the Environment Its Physical And Chemical Propermentioning

confidence: 99%

Arsenic toxicity in crop plants: physiological effects and tolerance mechanisms

2011

View full text Add to dashboard Cite

show abstract

“…Total protein was estimated following the method of Lowry et al (1951). An index of depression (ID) (Miteva 2002) of plant growth was calculated as follows:…”

Section: Methodsmentioning

confidence: 99%

Impact of irrigation and organic matter amendments on arsenic accumulation in selected vegetables

Das¹,

Pandit²,

Ray³

et al. 2016

PLANT SOIL ENVIRON

View full text Add to dashboard Cite

The present study was set up to investigate the effect of irrigation with naturally arsenic (As)-contaminated water and addition of organic amendments on the As accumulation in frequently consumed vegetables in India (pumpkin, radish and cabbage). An arsenic-stricken village (Ghentugachi, Chakdah Block, Nadia, West Bengal, India; 23°02'N, 88°34'E, 9.75 m a.s.l.) was selected. Pot studies were conducted with the selected vegetables in contaminated soils collected from the selected village. Arsenic-contaminated water (spiked with varying concentrations of As III and As V ) was used to irrigate the pots. Use of irrigation water contaminated with arsenic (both As III and As V ) reduced the germination and inhibited photosynthetic pigmentation. As III contamination remained more harmful. The worst situation was encountered with As III contamination at 0.5 mg/L of irrigation water while As V contamination below 0.2 mg/L of irrigation water remained safe. Field experiments with the selected vegetables were undertaken in the arsenic-stricken village where irrigation water (0.32 ± 0.12 mg/L) and soil (total As 18.15 ± 2.12 mg/kg) were contaminated with arsenic, to characterize the arsenic contamination of the vegetables, to assess the risk of dietary exposure and to study the effect of organic amendments on such contaminations. Vegetable roots accumulated more As than other parts and the accumulation increased with age. Pond (surface) water emerged as safer source for irrigation than shallow tube well water. Organic amendments reduced arsenic contamination significantly and vermicompost was the most efficient in this regard. All the vegetables showed risk (> 100% provisional tolerable weekly intake) of dietary exposure to arsenic.

show abstract

“…The molecular mechanisms of generation of physiological responses to As exposure are not clear. On one side of As toxicity phenomena is fact that plant growth is stimulated at low concentrations of As and on the other side, the plants that are naturally tolerant and hyperaccumulate As (35)(36)(37)(38)(39). Arsenic exposure generally induces the production of reactive oxygen species (ROS) that can lead to oxidative stress.…”

Section: Arsenic Effects On Plantsmentioning

confidence: 99%

Heavy metals and their general toxicity for plants

Ackova

2018

Plant Sci. Today

View full text Add to dashboard Cite

Heavy metals are important environmental pollutants, and their toxicity is a serious problem of great concern for environmental, ecological, nutritional and toxicological reasons. Metals can affected long list of physiological and biochemical processes in plants and their toxicity varies with plant species, particular metal, metal concentration and it chemical form. Throughout the world, researches have been conducted extensive investigations to determine the effects of toxic heavy metals on plants. The process is still going on and the need of intensification of the research programmes for better understanding of heavy metal toxicity is evident.

show abstract

Accumulation and effect of arsenic on tomatoes

Cited by 68 publications

References 14 publications

Arsenic toxicity in crop plants: physiological effects and tolerance mechanisms

Arsenic toxicity in crop plants: physiological effects and tolerance mechanisms

Impact of irrigation and organic matter amendments on arsenic accumulation in selected vegetables

Heavy metals and their general toxicity for plants

Contact Info

Product

Resources

About