Abstract
Fluoride is one of the most highly toxic soil and air pollutant prevalent in aquatic as well as terrestrial ecosystems. It seriously affects crop plant quality and productivity worldwide. Although a crop with great nutritional value; oats are susceptible to a variety of abiotic stresses. In the current study, the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress on growth measurements, photosynthetic pigments, and photosynthetic parameters have been studied. The fluoride (200 and 400 mg/kg) was added to the soil artificially, seeds were sown and the pots were kept under controlled conditions. Another set of plants without the fluoride treatment (0 mg/kg) were labeled as control. The experiment was conducted in a plant growth chamber and fluoride was artificially added to the soil prior to seeding. All six oat cultivars subjected to fluoride stress exhibited an overall decrease in plant growth when compared to the control. Further under fluoride stress, while the oat cultivars also showed a decrease in chlorophyll content and different photosynthetic parameters but on the contrary the antioxidant activities were increased. While the cultivar JHO-822 was most affected under fluoride stress, JHO-99-1 showed tolerance toward fluoride toxicity in comparison to other cultivars JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000. It is concluded that the tolerance or susceptibility of a cultivar to fluoride can be well correlated with various parameters studied in the present study.
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Claims 7
Claim · model-written summary
Fluoride stress decreased overall plant growth in all six oat cultivars compared with the control.
- Taxon
- oat
Avena sativae0 - Treatment
- fluoride stresse1
- Outcome
- plant growthe1
- Direction
- decreasee1
- Comparator
- controle1
- Setting
- plant growth chambere3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e1“All six oat cultivars subjected to fluoride stress exhibited an overall decrease in plant growth when compared to the control”
e3“The experiment was conducted in a plant growth chamber”
Claim · model-written summary
Fluoride stress decreased chlorophyll content in the oat cultivars.
- Taxon
- oatAvena sativae0
- Treatment
- fluoride stresse4
- Outcome
- chlorophyll contente4
- Direction
- decreasee4
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e4“Further under fluoride stress, while the oat cultivars also showed a decrease in chlorophyll content and different photosynthetic parameters but on the contrary the antioxidant activities were increased”
e1“when compared to the control”
Claim · model-written summary
Fluoride stress decreased photosynthetic parameters in the oat cultivars.
- Taxon
- oatAvena sativae0
- Treatment
- fluoride stresse4
- Outcome
- photosynthetic parameterse4
- Direction
- decreasee4
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e4“Further under fluoride stress, while the oat cultivars also showed a decrease in chlorophyll content and different photosynthetic parameters but on the contrary the antioxidant activities were increased”
e1“when compared to the control”
Claim · model-written summary
Fluoride stress increased antioxidant activities in the oat cultivars compared with the control.
- Taxon
- oatAvena sativae0
- Treatment
- fluoride stresse4
- Outcome
- antioxidant activitiese4
- Direction
- increasede4
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e4“Further under fluoride stress, while the oat cultivars also showed a decrease in chlorophyll content and different photosynthetic parameters but on the contrary the antioxidant activities were increased”
e1“when compared to the control”
Claim · model-written summary
Cultivar JHO-822 was the most affected by fluoride stress among the oat cultivars.
- Taxon
- oatAvena sativae0
- Material
- JHO-822e7
- Treatment
- fluoride stresse7
- Outcome
- most affectede7
- Direction
- most affectede7
- Comparator
- other cultivarse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e7“While the cultivar JHO-822 was most affected under fluoride stress”
e6“JHO-99-1 showed tolerance toward fluoride toxicity in comparison to other cultivars”
Claim · model-written summary
Cultivar JHO-99-1 showed tolerance to fluoride toxicity compared with other cultivars.
- Taxon
- oatAvena sativae0
- Material
- JHO-99-1e6
- Treatment
- fluoride toxicitye6
- Outcome
- tolerance toward fluoride toxicitye6
- Comparator
- other cultivarse6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e6“JHO-99-1 showed tolerance toward fluoride toxicity in comparison to other cultivars JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000”
Claim · model-written summary
Cultivar tolerance or susceptibility to fluoride can be correlated with the parameters studied.
- Taxon
- oatAvena sativae0
- Treatment
- fluoridee5
- Outcome
- tolerance or susceptibilitye5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the responses of six oat cultivars (JHO-99-1, JHO-2009, BJ-2012, KANT, JHO-822, and JHO-2000) to fluoride stress”
e5“the tolerance or susceptibility of a cultivar to fluoride can be well correlated with various parameters studied in the present study”
The same questions in other papers
fluoride · growth · Avena sativa (oats)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.