Paper · 2014 · International Letters of Natural Sciences

Effect of Chromium on Growth, Biochemicals and Nutrient Accumulation of Paddy (Oryza sativa L.)

M. Nagarajan; K. Sankar Ganesh

5
claims
10
verbatim quotes
3
citations
1
research areas
✓
Open access · cc-by

Abstract

Chromium is a heavy metal; this element is considered as an environmental hazard. Toxicity effects of chromium on growth and development of plants including inhibition of germination process decrease of growth and biomass of plant. The aim of this research is to study accumulation of Chromium along with nutrients and its effect on the growth of Paddy plant ( Oryza sativa L). Thus, paddy seedlings grown in petriplates lined with filter paper undergoing, different treatments of Cr (0, 2.5, 5, 10, 25, 50, 75, 100 and 200 mg/L). After one week seedlings were removed and morpho physiological parameters like root length, shoot length and dry weight of plants and Biochemicals ,accumulation of nutrients along with Cr in roots and shoots were determined. The results indicated that the concentrations more than 100 mg/L chromium cause the reduction of morphophysiology parameters in the treatment plants rather than control plant and Cr addition in the cultures caused enhancement of chromium content in roots and shoots of plant seedlings. Similarly the biochemicals and nutrient accumulation also affected by increasing concentrations of chromium. It was also noted that accumulation of chromium in the roots was much higher than the shoots of the seedlings under treatment.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Chromium above 100 mg/L reduced paddy seedling morphophysiological parameters versus control.

Taxon
Paddyt0
Treatment
more than 100 mg/L chromiume0
Outcome
morphophysiology parameterse0
Direction
reductione0
Comparator
control plante0

Verbatim

e0

“the concentrations more than 100 mg/L chromium cause the reduction of morphophysiology parameters in the treatment plants rather than control plant”

✓ located verbatim in the source · abstract, characters 783–930 · show in text ↑
t0

“Paddy”

✓ located verbatim in the source · title, characters 72–77 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Adding chromium increased chromium content in paddy seedling roots and shoots.

Taxon
Paddyt0
Organ / stage
roots and shootse0
Treatment
Cr additione0
Outcome
chromium content in roots and shootse0
Direction
enhancemente0

Not reportedComparator

Verbatim

e0

“Cr addition in the cultures caused enhancement of chromium content in roots and shoots of plant seedlings”

✓ located verbatim in the source · abstract, characters 935–1040 · show in text ↑
t0

“Paddy”

✓ located verbatim in the source · title, characters 72–77 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing chromium concentrations affected paddy seedling biochemicals.

Taxon
Paddyt0
Treatment
increasing concentrations of chromiume0
Outcome
biochemicalse0

Not reportedDirection

Verbatim

e0

“the biochemicals and nutrient accumulation also affected by increasing concentrations of chromium”

✓ located verbatim in the source · abstract, characters 1052–1149 · show in text ↑
t0

“Paddy”

✓ located verbatim in the source · title, characters 72–77 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing chromium concentrations affected paddy seedling nutrient accumulation.

Taxon
Paddyt0
Treatment
increasing concentrations of chromiume0
Outcome
nutrient accumulatione0

Not reportedDirection

Verbatim

e0

“nutrient accumulation also affected by increasing concentrations of chromium”

✓ located verbatim in the source · abstract, characters 1073–1149 · show in text ↑
t0

“Paddy”

✓ located verbatim in the source · title, characters 72–77 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chromium accumulation was much higher in paddy seedling roots than shoots.

Taxon
Paddyt0
Organ / stage
rootse0
Outcome
accumulation of chromiume0
Direction
much highere0
Comparator
shootse0

Verbatim

e0

“accumulation of chromium in the roots was much higher than the shoots of the seedlings under treatment”

✓ located verbatim in the source · abstract, characters 1174–1276 · show in text ↑
t0

“Paddy”

✓ located verbatim in the source · title, characters 72–77 · show in text ↑

chromium atom · molecular: metabolites · Oryza sativa (rice)Positive and negative results

13 papers: 3 positive, 10 negative or no effect

9 papers in the same direction as this paper · 3 in the opposite direction

  1. positive
  2. positive
  3. positive

9 papers more in this group

See all 13 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.