Abstract
Abstract Two wheat lines (TL3 and TL5) derived from selection for Cu tolerance among wheat – Aegilops sharonensis hybrids were compared when grown as hydroponics at zero (control), 10 −6 and 10 −5 m CuSO 4 . The morphometric measurements showed that the line TL5 with a more inhibited root system under 10 −6 m CuSO 4 had a less inhibited shoot growth under 10 −5 m CuSO 4 as compared to TL3. The decreased maximum efficiency of photosystem II and the more pronounced trend towards increased catalase activity suggested that despite the better shoot growth, the leaves of TL5 were more functionally injured. The increased content of carotenoids at excess Cu and the higher peroxidase and catalase activities of TL3 in control plants might contribute to its better stress tolerance. While no significant changes in enzyme activities were found at 10 −6 m Cu, at 10 −5 m the activities tended to increase. Although the close values of free phenolics concentrations in control plants, at Cu excess their content was higher in TL5 compared to TL3. The free phenolics content in roots at 10 −6 m Cu decreased, and although higher at 10 −5 m Cu, it remained below the control in TL3, and above the control in TL5. From the obtained results TL3 emerged to be more tolerant to excess Cu than TL5.
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Claims 13
Claim · model-written summary
TL5 roots were more inhibited than TL3 under low copper.
- Taxon
- wheat
Triticum aestivume1 - Material
- TL5e0
- Treatment
- 10 −6 m CuSO 4e0
- Outcome
- root systeme0
- Direction
- more inhibitede0
- Comparator
- TL3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The morphometric measurements showed that the line TL5 with a more inhibited root system under 10 −6 m CuSO 4 had a less inhibited shoot growth under 10 −5 m CuSO 4 as compared to TL3.”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
TL5 shoots were less inhibited than TL3 under higher copper.
- Taxon
- wheatTriticum aestivume1
- Material
- TL5e0
- Treatment
- 10 −5 m CuSO 4e0
- Outcome
- shoot growthe0
- Direction
- less inhibitede0
- Comparator
- TL3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The morphometric measurements showed that the line TL5 with a more inhibited root system under 10 −6 m CuSO 4 had a less inhibited shoot growth under 10 −5 m CuSO 4 as compared to TL3.”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
TL5 leaves had decreased maximum photosystem II efficiency.
- Taxon
- wheatTriticum aestivume1
- Material
- TL5e0
- Outcome
- maximum efficiency of photosystem IIe0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decreased maximum efficiency of photosystem II and the more pronounced trend towards increased catalase activity suggested that despite the better shoot growth, the leaves of TL5 were more functionally injured.”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
TL5 showed a stronger trend toward increased catalase activity.
- Taxon
- wheatTriticum aestivume1
- Material
- TL5e0
- Outcome
- catalase activitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decreased maximum efficiency of photosystem II and the more pronounced trend towards increased catalase activity suggested that despite the better shoot growth, the leaves of TL5 were more functionally injured.”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
Carotenoid content increased under excess copper.
- Taxon
- wheatTriticum aestivume1
- Treatment
- excess Cue0
- Outcome
- content of carotenoidse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased content of carotenoids at excess Cu”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
TL3 controls had higher peroxidase and catalase activity.
- Taxon
- wheatTriticum aestivume1
- Material
- TL3e0
- Outcome
- peroxidase and catalase activitiese0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the higher peroxidase and catalase activities of TL3 in control plants”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
Enzyme activities did not change significantly at 10 −6 m copper.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 10 −6 m Cue0
- Outcome
- enzyme activitiese0
- Direction
- no significant changese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant changes in enzyme activities were found at 10 −6 m Cu”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
Enzyme activities tended to increase at 10 −5 m copper.
- Taxon
- wheatTriticum aestivume2
- Treatment
- 10 −5 me0
- Outcome
- activitiese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at 10 −5 m the activities tended to increase”
e1“enzyme activities were found at 10 −6 m Cu”
e2“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
Free phenolics were higher in TL5 than TL3 under excess copper.
- Taxon
- wheatTriticum aestivume2
- Material
- TL5e0
- Outcome
- free phenolics concentrationse1
- Direction
- highere0
- Qualifier
- Cu excesse0
- Comparator
- TL3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at Cu excess their content was higher in TL5 compared to TL3.”
e1“free phenolics concentrations in control plants”
e2“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
Root free phenolics decreased at 10 −6 m copper.
- Taxon
- wheatTriticum aestivume1
- Organ / stage
- rootse0
- Treatment
- 10 −6 m Cue0
- Outcome
- free phenolics contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The free phenolics content in roots at 10 −6 m Cu decreased”
e1“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
At higher copper, root free phenolics stayed below control in TL3.
- Taxon
- wheatTriticum aestivume2
- Material
- TL3e0
- Treatment
- 10 −5 m Cue0
- Outcome
- free phenolics contente1
- Direction
- belowe0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“although higher at 10 −5 m Cu, it remained below the control in TL3”
e1“The free phenolics content in roots”
e2“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
At higher copper, root free phenolics were above control in TL5.
- Taxon
- wheatTriticum aestivume3
- Material
- TL5e0
- Treatment
- 10 −5 m Cue1
- Outcome
- free phenolics contente2
- Direction
- abovee0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“above the control in TL5”
e1“although higher at 10 −5 m Cu”
e2“The free phenolics content in roots”
e3“Two wheat lines (TL3 and TL5)”
Claim · model-written summary
TL3 was more tolerant to excess copper than TL5.
- Taxon
- wheatTriticum aestivume1
- Material
- TL3e0
- Outcome
- more tolerant to excess Cue0
- Direction
- more tolerante0
- Comparator
- TL5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TL3 emerged to be more tolerant to excess Cu than TL5.”
e1“Two wheat lines (TL3 and TL5)”
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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.