Abstract
Shallow water table problem has lessened farmer's interest in cultivating vegetables at riparian wetland in Indonesia. At present, riparian wetlands are mostly underutilized. Objective of this study was to evaluate tolerance of common bean (Phaseolus vulgaris) to shallow water table condition. Common bean variety of PV072 was used in this study. Research was conducted in Jakabaring, South Sumatra, Indonesia; from November 2016 to February 2017. Leaf and root growth or damage can be used as an indicator of stress tolerance in plants exposed to unfavorable soil conditions. Results of our study indicated that roots of common bean were unable to survive in water saturated condition below water table, but the plants were able to compensate for this constraint by increasing root biomass within aerobic substrate above water table. Moreover, after termination of shallow water table treatment, common bean was able to regrow their roots into the ex-saturated zone. Common bean plants produced marketable yield albeit limited rhizosphere space. Interestingly, the plants exposed to 24 days of shallow water table produced the highest yield. In conclusion, common bean can be considered as tolerant vegetable to shallow water table. It should be noted that bean leaf reached 90 percent and full size in less than 6 days and 9 days, respectively, after the young leaf was unfolded. Therefore, long term study on bean leaf growth and development requires measurement on sequential and multiple leaves. Also, nocturnal relative leaf expansion rate (RLER) was significantly faster than diurnal RLER.
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Claims 10
Claim · model-written summary
Common bean roots did not survive in water-saturated conditions below the water table.
- Taxon
- common bean
Phaseolus vulgarise0 - Organ / stage
- rootse0
- Outcome
- unable to survive in water saturated condition below water tablee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“roots of common bean were unable to survive in water saturated condition below water table”
Claim · model-written summary
Common bean increased root biomass in aerobic substrate above the water table.
- Taxon
- common beanPhaseolus vulgarise1
- Organ / stage
- roote0
- Outcome
- root biomasse0
- Direction
- increasinge0
- Setting
- aerobic substrate above water tablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plants were able to compensate for this constraint by increasing root biomass within aerobic substrate above water table”
e1“roots of common bean were unable to survive in water saturated condition below water table”
Claim · model-written summary
Common bean roots regrew into the formerly saturated zone after shallow water table treatment ended.
- Taxon
- common beanPhaseolus vulgarise0
- Organ / stage
- rootse0
- Outcome
- regrow their roots into the ex-saturated zonee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after termination of shallow water table treatment, common bean was able to regrow their roots into the ex-saturated zone”
Claim · model-written summary
Common bean produced marketable yield despite limited rhizosphere space.
- Taxon
- Common beanPhaseolus vulgarise0
- Outcome
- marketable yielde0
- Qualifier
- limited rhizosphere spacee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean plants produced marketable yield albeit limited rhizosphere space”
Claim · model-written summary
Plants exposed to 24 days of shallow water table had the highest yield.
- Taxon
- common beanPhaseolus vulgarise1
- Treatment
- 24 days of shallow water tablee0
- Outcome
- yielde0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plants exposed to 24 days of shallow water table produced the highest yield”
e1“common bean can be considered as tolerant vegetable to shallow water table”
Claim · model-written summary
Common bean was considered tolerant of shallow water table conditions.
- Taxon
- common beanPhaseolus vulgarise0
- Outcome
- tolerant vegetable to shallow water tablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“common bean can be considered as tolerant vegetable to shallow water table”
Claim · model-written summary
Bean leaves reached 90 percent of full size in less than 6 days after unfolding.
Verbatim
e0“bean leaf reached 90 percent and full size in less than 6 days and 9 days, respectively, after the young leaf was unfolded”
Claim · model-written summary
Bean leaves reached full size in 9 days after unfolding.
Verbatim
e0“bean leaf reached 90 percent and full size in less than 6 days and 9 days, respectively, after the young leaf was unfolded”
Claim · model-written summary
Nocturnal relative leaf expansion rate was significantly faster than diurnal rate.
Verbatim
e0“nocturnal relative leaf expansion rate (RLER) was significantly faster than diurnal RLER”
e1“bean leaf reached 90 percent and full size”
Claim · model-written summary
Long-term bean leaf development studies should measure sequential, multiple leaves.
Verbatim
e0“long term study on bean leaf growth and development requires measurement on sequential and multiple leaves”
The same questions in other papers
soil water · yield · Phaseolus vulgaris (common bean)Positive and negative results
8 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- negative
- negative
10 papers more in this group
See all 14 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.