Abstract
Indole-3-acetic acid (IAA), at concentrations of 0.01 to 1.0 millimolar, and ethephon (0.3% v/v Ethrel) promote stomatal opening when applied to epidermal peels of Vicia faba L. in light or dark. The effect of ethylene is seen by 30 minutes and maximal opening (over two times that of untreated controls) occurs after only 60 to 90 minutes in the light. Stomatal opening by IAA and Ethrel in both light and dark is prevented by 0.14 millimolar AgCl. It is suggested that the effect of added IAA, but not that of light, is linked to ethylene production. The possible role of ethylene in stomatal opening during fungal infection is discussed. The stomates of Vicia faba provide a new system to study the effects of ethylene on certain membrane-regulated processes.
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Claims 8
Claim · model-written summary
IAA promotes stomatal opening in light or dark.
- Taxon
- Vicia faba
Vicia fabae0 - Organ / stage
- epidermal peelse0
- Treatment
- Indole-3-acetic acid (IAA), at concentrations of 0.01 to 1.0 millimolare0
- Outcome
- stomatal openinge0
- Direction
- promotee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Indole-3-acetic acid (IAA), at concentrations of 0.01 to 1.0 millimolar, and ethephon (0.3% v/v Ethrel) promote stomatal opening when applied to epidermal peels of Vicia faba L. in light or dark”
Claim · model-written summary
Ethephon promotes stomatal opening in light or dark.
- Taxon
- Vicia fabaVicia fabae0
- Treatment
- ethephon (0.3% v/v Ethrel)e0
- Outcome
- stomatal openinge0
- Direction
- promotee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Indole-3-acetic acid (IAA), at concentrations of 0.01 to 1.0 millimolar, and ethephon (0.3% v/v Ethrel) promote stomatal opening when applied to epidermal peels of Vicia faba L. in light or dark”
Claim · model-written summary
Ethylene effects appear by 30 minutes.
- Taxon
- Vicia fabaVicia fabat0
- Outcome
- effect of ethylenee0
- Value
- 30 minutese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba L”
e0“The effect of ethylene is seen by 30 minutes”
Claim · model-written summary
In light, maximal opening exceeds untreated controls by over twofold after 60 to 90 minutes.
- Taxon
- Vicia fabaVicia fabat0
- Outcome
- maximal openinge0
- Direction
- maximale0
- Value
- over two timese0
- Qualifier
- 60 to 90 minutes in the lighte0
- Comparator
- untreated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba L”
e0“maximal opening (over two times that of untreated controls) occurs after only 60 to 90 minutes in the light”
Claim · model-written summary
AgCl prevents IAA-induced stomatal opening.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- 0.14 millimolar AgCle0
- Outcome
- Stomatal opening by IAAe0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba L”
e0“Stomatal opening by IAA and Ethrel in both light and dark is prevented by 0.14 millimolar AgCl”
Claim · model-written summary
AgCl prevents Ethrel-induced stomatal opening.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- 0.14 millimolar AgCle0
- Outcome
- Stomatal openinge0
- Direction
- preventede0
- Qualifier
- Ethrel in both light and darke0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba L”
e0“Stomatal opening by IAA and Ethrel in both light and dark is prevented by 0.14 millimolar AgCl”
Claim · model-written summary
The authors suggest added IAA acts through ethylene production.
- Taxon
- Vicia fabaVicia fabat0
- Outcome
- effect of added IAAe0
- Qualifier
- linked to ethylene productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba L”
e0“the effect of added IAA, but not that of light, is linked to ethylene production”
Claim · model-written summary
The authors propose fava bean stomates as a system for studying ethylene effects on membrane-regulated processes.
- Taxon
- Vicia fabaVicia fabae0
- Outcome
- new system to study the effects of ethylenee0
- Value
- new systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The stomates of Vicia faba provide a new system to study the effects of ethylene on certain membrane-regulated processes”
The same questions in other papers
(2-chloroethyl)phosphonic acid · physiology: gas exchange · Vicia faba (faba bean)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
indole-3-acetic acid · physiology: gas exchange · Vicia faba (faba bean)Results agree
1 paper in the same direction as this paper
- 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.