Abstract
The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system. The segments from seven day old plants were floated on water and stored in darkness at 12°C, 1.6 kPa or at 25°C, 6 kPa. Low temperature or hypobaric conditions delayed senescence, whereas the combination arrested the syndrome at an early stage. One of the effects of low pressure was to force the stomata open. The hormones abscisic acid and kinetin, which affect the stomatal aperture and also senescence, did not show any effect in hypobarically stored plant material. The stomata were forced open in darkness when the pressure was lower than 77 kPa and opening time was 8 h. The senescence syndrome in hypobarically stored segments developed similar to those treated with kinetin at 101 kPa.
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Claims 5
Claim · model-written summary
Low temperature or hypobaric conditions delayed senescence in oat leaf segments.
- Taxon
- oat
Avena sativae0 - Material
- Victorye0
- Organ / stage
- leaf segmentse0
- Treatment
- Low temperature or hypobaric conditionse1
- Outcome
- senescencee1
- Direction
- delayede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system”
e1“Low temperature or hypobaric conditions delayed senescence”
Claim · model-written summary
The combination of low temperature and hypobaric conditions arrested senescence at an early stage in oat leaf segments.
- Taxon
- oatAvena sativae0
- Organ / stage
- leaf segmentse0
- Treatment
- combinatione2
- Outcome
- syndromee2
- Direction
- arrestede2
- Qualifier
- at an early stagee2
- Comparator
- Low temperature or hypobaric conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system”
e1“Low temperature or hypobaric conditions delayed senescence”
e2“whereas the combination arrested the syndrome at an early stage”
Claim · model-written summary
Abscisic acid and kinetin had no effect on stomatal aperture in hypobarically stored oat leaf segments.
- Taxon
- oatAvena sativae0
- Organ / stage
- leaf segmentse0
- Treatment
- abscisic acid and kinetine3
- Outcome
- stomatal aperturee3
- Direction
- did not show any effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system”
e3“The hormones abscisic acid and kinetin, which affect the stomatal aperture and also senescence, did not show any effect in hypobarically stored plant material”
Claim · model-written summary
Stomata were forced open in darkness when pressure was lower than 77 kPa, with an opening time of 8 h.
- Taxon
- oatAvena sativae0
- Treatment
- pressure was lower than 77 kPae4
- Outcome
- stomatae4
- Direction
- forced opene4
- Value
- 8 he4
- Setting
- darknesse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system”
e4“The stomata were forced open in darkness when the pressure was lower than 77 kPa and opening time was 8 h”
Claim · model-written summary
Senescence in hypobarically stored segments developed similarly to segments treated with kinetin at 101 kPa.
- Taxon
- oatAvena sativae0
- Treatment
- hypobarically stored segmentse5
- Outcome
- senescence syndromee5
- Comparator
- treated with kinetin at 101 kPae5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The physiological effects of storing plants under hypobaric conditions were studied using oat ( Avena sativa L. cv. Victory) leaf segments as a test system”
e5“The senescence syndrome in hypobarically stored segments developed similar to those treated with kinetin at 101 kPa”
The same questions in other papers
kinetin · physiology: gas exchange · Avena sativa (oats)Positive and negative results
2 in the opposite direction
- 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.