Abstract
The seedlings of watermelon (Citrullus lanatus Mansf. cv. Jinxin 1) at 3 leaf stage were treated with 1.0, 2.0, 3.0 and 3.5 mmol/L of SA for three days and then exposed to 5℃ low temperature for 24 h in order to study the effects of SA on chilling-tolerance activity. The chilling-tolerance of seedling of watermelon could be increased with SA treatment. The concentration of SA at 1.0mmol/L showed the most effective result. Compared with the control the activities of three protective enzymes, such as peroxidase (POD), catalase (CAT) and adenosine triphosphatase (ATPase) increased, while the malondialdehyde (MDA) content decreased in the leave of treated plants. The decline of chlorophyll content of those leaves pretreated by SA under chilling temperature were reduced.
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Claims 5
Claim · model-written summary
SA increased chilling tolerance of watermelon seedlings.
- Taxon
- watermelon
Citrullus lanatuse0 - Treatment
- SA treatmente0
- Outcome
- chilling-tolerancee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The chilling-tolerance of seedling of watermelon could be increased with SA treatment”
Claim · model-written summary
SA at 1.0 mmol/L was the most effective concentration.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- SA at 1.0mmol/Le0
- Outcome
- most effective resulte0
- Direction
- most effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The concentration of SA at 1.0mmol/L showed the most effective result”
t0“watermelon”
Claim · model-written summary
SA increased leaf POD, CAT and ATPase activities versus controls.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- SAe2
- Outcome
- activities of three protective enzymes, such as peroxidase (POD), catalase (CAT) and adenosine triphosphatase (ATPase)e0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the control the activities of three protective enzymes, such as peroxidase (POD), catalase (CAT) and adenosine triphosphatase (ATPase) increased”
e2“SA treatment”
t0“watermelon”
Claim · model-written summary
SA decreased leaf malondialdehyde content versus controls.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- SAe2
- Outcome
- malondialdehyde (MDA) contente0
- Direction
- decreasede0
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while the malondialdehyde (MDA) content decreased in the leave of treated plants”
e2“SA treatment”
t0“watermelon”
e1“Compared with the control”
Claim · model-written summary
SA pretreatment reduced the decline in leaf chlorophyll content under chilling.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- pretreated by SAe0
- Outcome
- chlorophyll contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decline of chlorophyll content of those leaves pretreated by SA under chilling temperature were reduced”
t0“watermelon”
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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.