Claim · model-written summary
Some high humidity stomata closed fully but others only partly or not at all.
- Taxon
- Tradescantia virginiana
Tradescantia virginianat0 - Treatment
- high RHe0
- Outcome
- others closed only partly or did not close at alle0
Verbatim
e0“Some stomata developed at high RH closed in response to darkness or to a decrease in relative water content to the same extent as did stomata from moderate RH grown plants, whereas others closed only partly or did not close at all”
t0“Tradescantia virginiana”
Title
Stomatal response characteristics of Tradescantia virginiana grown at high relative air humidity
Abdolhossein Rezaei Nejad; Uulke Van Meeteren Physiologia Plantarum 2005. doi:10.1111/j.1399-3054.2005.00567.x
Other claims from this paper (10)
- Intervention effect High humidity grown plants had greater transpiration in light and darkness.
- Intervention effect High humidity grown plants had greater stomatal conductance in light.
- Intervention effect High humidity grown plants had greater stomatal aperture in light.
- Intervention effect In darkness, transpiration was 141% of moderate humidity plants.
- Intervention effect In darkness, stomatal conductance was 188% of moderate humidity plants.
- Intervention effect In darkness, stomatal aperture was 370% of moderate humidity plants.
- Intervention effect Guard cells were longer in high humidity plants.
- Observation Stomata responded to desiccation, ABA and darkness in both humidity groups.
- Observation High humidity plants varied markedly in stomatal closure.
- Mechanism Incomplete closure after ABA suggests ABA deficiency does not explain desiccation response.