Abstract
This greenhouse research was conducted in the fall of 2012 in a controlled greenhouse Karaj, Iran, to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress. Salicylic acid was applied in two stages and four concentrations (0, 4000, 8000 and 12000μM.l). Two varieties (Tehran & Hamedan) and irrigation levels (daily and once every three days) were studied. The experiment was conducted in the factorial form with 3 factors in the randomized complete design with 16 treatments and 3 replications. Each experimental unit was a planting tray with 72 places. Cultivation was done in special trays and planting trays irrigation were done equally until plants germination. Water stress treatment was applied one week after germination. Different levels of salicylic acid foliar were applied 10 days after stress beginning. There were no significant difference between all traits in two coriandrum sativum varieties. Although the concentrations of salicylic acid did not make significant effect on plant height, plant fresh weight, dry matter percent and lateral branches number, but concentration of 12000μM.l showed significant increase in the plant dry weight compared to the control and other concentrations with 58.79mg. Concentrations of 8000μM.l and especially 12000μM.l caused significant increase in chlorophyll index and decrease in plant proline. The highest essential oil percent observed in concentration of 4000μM.l with 0.147%. In short, salicylic acid improved the traits and reduced the negative effect of drought stress.
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Claims 9
Claim · model-written summary
The two Coriandrum sativum varieties did not differ significantly in any measured trait
- Taxon
- coriandrum sativum
Coriandrum sativume1 - Material
- Tehran & Hamedane0
- Outcome
- all traitse1
- Setting
- controlled greenhouse Karaj, Irane6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two varieties (Tehran & Hamedan)”
e1“There were no significant difference between all traits in two coriandrum sativum varieties”
e6“in a controlled greenhouse Karaj, Iran”
Claim · model-written summary
Salicylic acid concentrations did not significantly affect plant height, fresh weight or dry matter percent of coriander
- Taxon
- coriandrum sativumCoriandrum sativume1
- Treatment
- concentrations of salicylic acide2
- Outcome
- plant height, plant fresh weight, dry matter percente2
- Direction
- did not make significant effecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“There were no significant difference between all traits in two coriandrum sativum varieties”
e2“Although the concentrations of salicylic acid did not make significant effect on plant height, plant fresh weight, dry matter percent and lateral branches number, but concentration of 12000μM.l showed significant increase in the plant dry weight compared to the control and other concentrations with 58.79mg”
Claim · model-written summary
Salicylic acid concentrations did not significantly affect lateral branch number of coriander
- Taxon
- coriandrum sativumCoriandrum sativume1
- Treatment
- concentrations of salicylic acide2
- Outcome
- lateral branches numbere2
- Direction
- did not make significant effecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“There were no significant difference between all traits in two coriandrum sativum varieties”
e2“Although the concentrations of salicylic acid did not make significant effect on plant height, plant fresh weight, dry matter percent and lateral branches number, but concentration of 12000μM.l showed significant increase in the plant dry weight compared to the control and other concentrations with 58.79mg”
Claim · model-written summary
Salicylic acid at 12000μM.l significantly increased coriander plant dry weight to 58.79 mg
- Taxon
- coriandrum sativumCoriandrum sativume1
- Treatment
- concentration of 12000μM.le2
- Outcome
- plant dry weighte2
- Direction
- significant increasee2
- Value
- 58.79mge2
- Comparator
- the control and other concentrationse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“There were no significant difference between all traits in two coriandrum sativum varieties”
e2“Although the concentrations of salicylic acid did not make significant effect on plant height, plant fresh weight, dry matter percent and lateral branches number, but concentration of 12000μM.l showed significant increase in the plant dry weight compared to the control and other concentrations with 58.79mg”
Claim · model-written summary
Salicylic acid at 8000 and 12000μM.l significantly increased coriander chlorophyll index
- Taxon
- coriandrum sativumCoriandrum sativume6
- Treatment
- Concentrations of 8000μM.l and especially 12000μM.le3
- Outcome
- chlorophyll indexe3
- Direction
- significant increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Concentrations of 8000μM.l and especially 12000μM.l caused significant increase in chlorophyll index and decrease in plant proline”
e6“to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress”
Claim · model-written summary
Salicylic acid at 8000 and 12000μM.l decreased plant proline in coriander under drought stress
- Taxon
- coriandrum sativumCoriandrum sativume6
- Treatment
- Concentrations of 8000μM.l and especially 12000μM.le3
- Outcome
- plant prolinee3
- Direction
- decreasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Concentrations of 8000μM.l and especially 12000μM.l caused significant increase in chlorophyll index and decrease in plant proline”
e6“to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress”
Claim · model-written summary
The highest essential oil percent of coriander, 0.147%, was observed at 4000μM.l salicylic acid
- Taxon
- coriandrum sativumCoriandrum sativume6
- Treatment
- concentration of 4000μM.le4
- Outcome
- essential oil percente4
- Direction
- higheste4
- Value
- 0.147%e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The highest essential oil percent observed in concentration of 4000μM.l with 0.147%”
e6“to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress”
Claim · model-written summary
Salicylic acid is concluded to reduce the negative effect of drought stress on coriander
- Taxon
- coriandrum sativumCoriandrum sativume6
- Treatment
- salicylic acide5
- Outcome
- negative effect of drought stresse5
- Direction
- reducede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“In short, salicylic acid improved the traits and reduced the negative effect of drought stress”
e6“to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress”
Claim · model-written summary
Salicylic acid is concluded to improve the traits of coriander under drought stress
- Taxon
- coriandrum sativumCoriandrum sativume6
- Treatment
- salicylic acide5
- Outcome
- traitse5
- Direction
- improvede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“In short, salicylic acid improved the traits and reduced the negative effect of drought stress”
e6“to evaluate the effect of various concentrations of salicylic acid foliar spray on different traits of two coriandrum sativum varieties under drought stress”
The same questions in other papers
salicylic acid · growth · Coriandrum sativum (coriander)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
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.