Abstract
The minimum applied ethylene concentrations which have an influence on seedling growth were made clear in six epigeal leguminous species. The lowest ethylene concentration which inhibited hypocotyl elongation (LCe) significantly at 5% level ranged from 0.04 ppm (mung bean) to 0.16 ppm (soybean). On the other hand, the lowest concentration which increased hypocotyl thickness (LCt) significantly at 5% level ranged from 0.04 pprrl (mung bean) to 0.38 ppm (soybean). The response of seedling growth to ethylene seemed to be classified into 3 types: 1) LCt was lower than LCe in kidney bean and hyacinth bean, 2) LCt was similar to LCe in mung bean, black gram and cowpea, and 3) LCt vvas higher than LCe in soybean. Neither LCe nor LCt correlated with seed weight or hypocotyl thickness. However, each LCe and LCt correlated positively with the endogenous ethylene production of a seedling (r=0.841 and 0.869, n=9, P< 0.01). The results suggested that, in the seedlings, the high endogenous ethylene production may be discourage the response to applied ethylene.
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Claims 14
Claim · model-written summary
Applied ethylene inhibited mung bean hypocotyl elongation at a lowest significant concentration of 0.04 ppm.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Treatment
- ethylenee0
- Outcome
- hypocotyl elongatione0
- Direction
- inhibitede0
- Value
- 0.04 ppme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The lowest ethylene concentration which inhibited hypocotyl elongation (LCe) significantly at 5% level ranged from 0.04 ppm (mung bean) to 0.16 ppm (soybean).”
Claim · model-written summary
Applied ethylene inhibited soybean hypocotyl elongation at a lowest significant concentration of 0.16 ppm.
- Taxon
- soybean
Glycine maxe0 - Treatment
- ethylenee0
- Outcome
- hypocotyl elongatione0
- Direction
- inhibitede0
- Value
- 0.16 ppme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest ethylene concentration which inhibited hypocotyl elongation (LCe) significantly at 5% level ranged from 0.04 ppm (mung bean) to 0.16 ppm (soybean).”
Claim · model-written summary
Applied ethylene increased mung bean hypocotyl thickness at a lowest significant concentration of 0.04 pprrl.
- Taxon
- mung beanVigna radiatae0
- Outcome
- hypocotyl thicknesse0
- Direction
- increasede0
- Value
- 0.04 pprrle0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest concentration which increased hypocotyl thickness (LCt) significantly at 5% level ranged from 0.04 pprrl (mung bean) to 0.38 ppm (soybean).”
Claim · model-written summary
Applied ethylene increased soybean hypocotyl thickness at a lowest significant concentration of 0.38 ppm.
- Taxon
- soybeanGlycine maxe0
- Outcome
- hypocotyl thicknesse0
- Direction
- increasede0
- Value
- 0.38 ppme0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest concentration which increased hypocotyl thickness (LCt) significantly at 5% level ranged from 0.04 pprrl (mung bean) to 0.38 ppm (soybean).”
Claim · model-written summary
The threshold for thickness response was lower than that for elongation response in kidney bean.
- Taxon
- kidney bean
Phaseolus vulgarise0 - Outcome
- LCt was lower than LCee0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt was lower than LCe in kidney bean and hyacinth bean”
Claim · model-written summary
The threshold for thickness response was lower than that for elongation response in hyacinth bean.
- Taxon
- hyacinth bean
Lablab purpureuse0 - Outcome
- LCt was lower than LCee0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt was lower than LCe in kidney bean and hyacinth bean”
Claim · model-written summary
The thickness and elongation response thresholds were similar in mung bean.
- Taxon
- mung beanVigna radiatae0
- Outcome
- LCt was similar to LCee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt was similar to LCe in mung bean, black gram and cowpea”
Claim · model-written summary
The thickness and elongation response thresholds were similar in black gram.
- Taxon
- black gram
Vigna mungoe0 - Outcome
- LCt was similar to LCee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt was similar to LCe in mung bean, black gram and cowpea”
Claim · model-written summary
The thickness and elongation response thresholds were similar in cowpea.
- Taxon
- cowpea
Vigna unguiculatae0 - Outcome
- LCt was similar to LCee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt was similar to LCe in mung bean, black gram and cowpea”
Claim · model-written summary
The thickness response threshold exceeded the elongation threshold in soybean.
- Taxon
- soybeanGlycine maxe0
- Outcome
- LCt vvas higher than LCee0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LCt vvas higher than LCe in soybean”
Claim · model-written summary
Neither ethylene response threshold correlated with seed weight or hypocotyl thickness across the seedlings.
- Taxon
- seedlinge1
- Organ / stage
- seede0
- Outcome
- LCe nor LCt correlatede0
- Qualifier
- seed weight or hypocotyl thicknesse0
Not reportedDirection
Verbatim
e0“Neither LCe nor LCt correlated with seed weight or hypocotyl thickness.”
e1“each LCe and LCt correlated positively with the endogenous ethylene production of a seedling (r=0.841 and 0.869, n=9, P< 0.01).”
Claim · model-written summary
The elongation threshold correlated positively with endogenous ethylene production (r=0.841).
Verbatim
e0“each LCe and LCt correlated positively with the endogenous ethylene production of a seedling (r=0.841 and 0.869, n=9, P< 0.01).”
Claim · model-written summary
The thickness threshold correlated positively with endogenous ethylene production (r=0.869).
Verbatim
e0“each LCe and LCt correlated positively with the endogenous ethylene production of a seedling (r=0.841 and 0.869, n=9, P< 0.01).”
Claim · model-written summary
High endogenous ethylene production may discourage seedling response to applied ethylene.
Verbatim
e0“in the seedlings, the high endogenous ethylene production may be discourage the response to applied ethylene.”
The same questions in other papers
ethene · growth · Vigna radiata (mung bean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
ethene · growth · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
1 paper more in this group
See all 5 papers →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.