Abstract
Summary. We investigated the effect of salicylic acid (SA) on plant resistance to environmental stress factors. Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth. Phytohormones are known to play a key role in plant growth regulation. It was found that the SA treatment caused accumulation of both ABA and IAA in wheat seedlings. However, the SA treatment did not influence cytokinin content. We suppose, that the protective and growth promoting effects of SA are due to the phenomenon described above. The SA treatment reduced the damaging action of salinity and water deficit on seedling growth and accelerated a restoration of growth processes.Treatment with SA essentially diminished the alteration of phytohormones levels in wheat seedlings under salinity and water deficit. The SA treatment prevented the decrease in IAA and cytokinin content completely which reduced stress-induced inhibition of plant growth. Also, high ABA levels were maintained in SA treated wheat seedlings which provided the development of antistress reactions, for example, maintenance of proline accumulation. Thus protective SA action includes the development of antistress programs and acceleration of normalization of growth processes after removal stress factors.
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Claims 9
Claim · model-written summary
The 0.05 mM SA treatment increased cell division in the apical meristem of wheat seedling roots.
- Taxon
- wheat
Triticum aestivume1 - Organ / stage
- apical meristem of seedling rootse1
- Treatment
- 0.05 mM SAe1
- Outcome
- level of cell division within the apical meristem of seedling rootse1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
Claim · model-written summary
The 0.05 mM SA treatment increased wheat plant growth.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 0.05 mM SAe1
- Outcome
- plant growthe1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
Claim · model-written summary
SA treatment caused accumulation of both ABA and IAA in wheat seedlings.
- Taxon
- wheatTriticum aestivume2
- Treatment
- SA treatmente2
- Outcome
- accumulation of both ABA and IAAe2
- Direction
- increaseinferrede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“It was found that the SA treatment caused accumulation of both ABA and IAA in wheat seedlings”
Claim · model-written summary
SA treatment did not influence cytokinin content in wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Treatment
- SA treatmente3
- Outcome
- cytokinin contente3
- Direction
- did not influencee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
e3“However, the SA treatment did not influence cytokinin content”
Claim · model-written summary
SA treatment reduced the damaging action of salinity and water deficit on wheat seedling growth.
- Taxon
- wheatTriticum aestivume1
- Treatment
- SA treatmente4
- Outcome
- damaging action of salinity and water deficit on seedling growthe4
- Direction
- reducede4
- Qualifier
- salinity and water deficite4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
e4“The SA treatment reduced the damaging action of salinity and water deficit on seedling growth and accelerated a restoration of growth processes”
Claim · model-written summary
SA treatment accelerated the restoration of growth processes in wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Treatment
- SA treatmente4
- Outcome
- restoration of growth processese4
- Direction
- acceleratede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
e4“The SA treatment reduced the damaging action of salinity and water deficit on seedling growth and accelerated a restoration of growth processes”
Claim · model-written summary
SA treatment prevented the decrease in IAA and cytokinin content in wheat seedlings under stress.
- Taxon
- wheatTriticum aestivume1
- Treatment
- SA treatmente5
- Outcome
- decrease in IAA and cytokinin contente5
- Direction
- preventede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
e5“The SA treatment prevented the decrease in IAA and cytokinin content completely which reduced stress-induced inhibition of plant growth”
Claim · model-written summary
SA treatment reduced stress-induced inhibition of wheat plant growth.
- Taxon
- wheatTriticum aestivume1
- Treatment
- SA treatmente5
- Outcome
- stress-induced inhibition of plant growthe5
- Direction
- reducede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Treatment of wheat plants with 0.05 mM SA increased the level of cell division within the apical meristem of seedling roots which caused an increase in plant growth”
e5“The SA treatment prevented the decrease in IAA and cytokinin content completely which reduced stress-induced inhibition of plant growth”
Claim · model-written summary
High ABA levels were maintained in SA-treated wheat seedlings.
- Taxon
- wheatTriticum aestivume6
- Treatment
- SA treatede6
- Outcome
- ABA levelse6
- Direction
- maintainede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Also, high ABA levels were maintained in SA treated wheat seedlings which provided the development of antistress reactions, for example, maintenance of proline accumulation”
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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.