Abstract
Leaves rapidly close their stomata after detachment resulting in a strong reduction of water loss. It has been reported that detached leaves of in vitro produced plants show continuous water loss indicating that they are unable to close the stomata properly and/or that their cuticle is malfunctioning. We examined the water retention capacity (WRC) of detached primary leaves of in vitro germinating seedlings of Vigna radiata (mungbean). It was shown that the poor WRC was most likely due to deterioration of the stomata by the high relative humidity in the headspace. Other features of the headspace, viz., O2, CO2 and ethylene levels, did not play a significant role. Some medium additions improved the WRC somewhat, viz., paclobutrazol and abscisic acid. Other additions such as the ethylene precursor 1-aminocyclopropane-1-carboxylic acid, the ethylene blocker silverthiosulphate and cytokinin had no or a slight negative effect.
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Claims 4
Claim · model-written summary
The poor water retention capacity of detached Vigna radiata leaves was most likely due to deterioration of the stomata by high relative humidity in the headspace.
- Taxon
- Vigna radiata
.jpg?width=60)
Vigna radiatae0 - Treatment
- high relative humidity in the headspacee1
- Outcome
- water retention capacitye0
- Qualifier
- deterioration of the stomatae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“water retention capacity (WRC) of detached primary leaves of in vitro germinating seedlings of Vigna radiata”
e1“the poor WRC was most likely due to deterioration of the stomata by the high relative humidity in the headspace”
Claim · model-written summary
O2, CO2 and ethylene levels in the headspace did not play a significant role in water retention capacity.
- Taxon
- Vigna radiataVigna radiatae0
- Treatment
- O2, CO2 and ethylene levelse1
- Outcome
- water retention capacitye0
- Direction
- did not play a significant rolee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water retention capacity (WRC) of detached primary leaves of in vitro germinating seedlings of Vigna radiata”
e1“Other features of the headspace, viz., O2, CO2 and ethylene levels, did not play a significant role”
Claim · model-written summary
Medium additions of paclobutrazol and abscisic acid improved water retention capacity somewhat.
- Taxon
- Vigna radiataVigna radiatae0
- Treatment
- paclobutrazol and abscisic acide1
- Outcome
- water retention capacitye0
- Direction
- improvede1
- Qualifier
- somewhate1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water retention capacity (WRC) of detached primary leaves of in vitro germinating seedlings of Vigna radiata”
e1“Some medium additions improved the WRC somewhat, viz., paclobutrazol and abscisic acid”
Claim · model-written summary
ACC, silverthiosulphate and cytokinin had no or a slight negative effect on water retention capacity.
- Taxon
- Vigna radiataVigna radiatae0
- Treatment
- 1-aminocyclopropane-1-carboxylic acid, the ethylene blocker silverthiosulphate and cytokinine1
- Outcome
- water retention capacitye0
- Direction
- no or a slight negative effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water retention capacity (WRC) of detached primary leaves of in vitro germinating seedlings of Vigna radiata”
e1“Other additions such as the ethylene precursor 1-aminocyclopropane-1-carboxylic acid, the ethylene blocker silverthiosulphate and cytokinin had no or a slight negative effect”
The same questions in other papers
co2 · physiology: water · Vigna radiata (mung bean)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.