Abstract
This experiment was conducted with different concentrations of cobalt (100, 200, 300, 400 and 500 ppm) on wheat (Triticum aestivum L.) plants for quantification of its effects on growth performance in a sand culture medium using Hoagland solution. Germination was tested in petri dishes using same treatments. Inhibitory effect of Co on germination percent was observed from 200ppm of Co while vigor index decreased with increasing Co concentration. No negative effect of Co on germination index was found up to 300 ppm while beyond that higher percent inhibition of wheat seed germination was recorded. An enhancing effect on plant height, leaf number, leaf area and dry matter production was observed up to 200ppm of Co treatment while higher concentrations showed detrimental effect of the same. Chlorophyll a/b increased and chlorophyll stability index decreased with increasing Co concentration from 300 ppm onwards. Results from analysis of above ground plant biomass showed higher accumulation of Co with increasing concentration in the medium. However, at 100 ppm of Co treatment, significantly higher grain accumulation of Co was recorded compared to 500ppm of Co treatment. From these findings, it can be summarised that at lower concentrations (up to 200ppm) Co has an enhancing effect on growth of wheat crop and it has a good phyto-extracting ability for cobalt
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Claims 13
Claim · model-written summary
Cobalt inhibited wheat germination percent from 200 ppm onward.
- Taxon
- Triticum aestivum L.
Triticum aestivume1 - Treatment
- cobalt (100, 200, 300, 400 and 500 ppm)e0
- Outcome
- germination percente2
- Direction
- Inhibitory effecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“different concentrations of cobalt (100, 200, 300, 400 and 500 ppm)”
e1“wheat (Triticum aestivum L.) plants”
e2“Inhibitory effect of Co on germination percent was observed from 200ppm of Co”
Claim · model-written summary
Vigor index decreased with increasing cobalt concentration.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- increasing Co concentratione1
- Outcome
- vigor indexe1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“vigor index decreased with increasing Co concentration”
Claim · model-written summary
Cobalt up to 300 ppm had no negative effect on germination index.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- Coe1
- Outcome
- germination indexe1
- Direction
- No negative effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“No negative effect of Co on germination index was found up to 300 ppm”
Claim · model-written summary
Beyond 300 ppm, cobalt caused higher percent inhibition of wheat seed germination.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- Coe2
- Outcome
- percent inhibition of wheat seed germinatione1
- Direction
- highere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“beyond that higher percent inhibition of wheat seed germination was recorded”
e2“No negative effect of Co on germination index was found up to 300 ppm”
Claim · model-written summary
Up to 200 ppm, cobalt enhanced plant height, leaf number and leaf area of wheat.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- 200ppm of Co treatmente1
- Outcome
- plant height, leaf number, leaf areae1
- Direction
- enhancing effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“An enhancing effect on plant height, leaf number, leaf area and dry matter production was observed up to 200ppm of Co treatment”
Claim · model-written summary
Up to 200 ppm, cobalt enhanced dry matter production of wheat.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- 200ppm of Co treatmente1
- Outcome
- dry matter productione1
- Direction
- enhancing effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“An enhancing effect on plant height, leaf number, leaf area and dry matter production was observed up to 200ppm of Co treatment”
Claim · model-written summary
Higher cobalt concentrations were detrimental to plant height, leaf number and leaf area of wheat.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- higher concentrationse1
- Outcome
- plant height, leaf number, leaf areae2
- Direction
- detrimental effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“higher concentrations showed detrimental effect of the same”
e2“An enhancing effect on plant height, leaf number, leaf area and dry matter production was observed up to 200ppm of Co treatment”
Claim · model-written summary
Higher cobalt concentrations were detrimental to dry matter production of wheat.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- higher concentrationse1
- Outcome
- dry matter productione2
- Direction
- detrimental effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“higher concentrations showed detrimental effect of the same”
e2“An enhancing effect on plant height, leaf number, leaf area and dry matter production was observed up to 200ppm of Co treatment”
Claim · model-written summary
Chlorophyll a/b increased with cobalt concentration from 300 ppm onward.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- increasing Co concentration from 300 ppm onwardse1
- Outcome
- Chlorophyll a/be1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“Chlorophyll a/b increased and chlorophyll stability index decreased with increasing Co concentration from 300 ppm onwards”
Claim · model-written summary
Chlorophyll stability index decreased with cobalt concentration from 300 ppm onward.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Treatment
- increasing Co concentration from 300 ppm onwardse1
- Outcome
- chlorophyll stability indexe1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“Chlorophyll a/b increased and chlorophyll stability index decreased with increasing Co concentration from 300 ppm onwards”
Claim · model-written summary
Cobalt accumulation in above-ground wheat biomass was higher at higher medium concentrations.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Organ / stage
- above ground plant biomasse1
- Treatment
- increasing concentration in the mediume1
- Outcome
- accumulation of Coe1
- Direction
- highere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“Results from analysis of above ground plant biomass showed higher accumulation of Co with increasing concentration in the medium”
Claim · model-written summary
At 100 ppm cobalt, grain cobalt accumulation was significantly higher than at 500 ppm.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Organ / stage
- graine1
- Treatment
- 100 ppm of Co treatmente1
- Outcome
- grain accumulation of Coe1
- Direction
- significantly highere1
- Comparator
- 500ppm of Co treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“at 100 ppm of Co treatment, significantly higher grain accumulation of Co was recorded compared to 500ppm of Co treatment”
Claim · model-written summary
Wheat has a good phyto-extracting ability for cobalt.
- Taxon
- Triticum aestivum L.Triticum aestivume0
- Outcome
- phyto-extracting ability for cobalte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.) plants”
e1“it has a good phyto-extracting ability for cobalt”
The same questions in other papers
cobalt atom · growth · Triticum aestivum (wheat)Results differ
6 papers in the same direction as this paper · 6 in the opposite direction
- negative
- no effect
- negative
9 papers more in this group
See all 13 papers →cobalt atom · yield · Triticum aestivum (wheat)Positive and negative results
10 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- 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.