Abstract
Abstract Eight mungbean (Vigna radiata L.) cultivars were evaluated for their tolerance to different levels of chromium (Cr+6) (0, 24, 48, 96, 192, and 384 μM) in nutrient solutions at pH 6.8. Seeds were germinated and grown in the presence of chromium under controlled environmental conditions. Standard growth parameters such as root length, shoot length, root/shoot dry matter production, and root/shoot tolerance index were used as indicators of chromium toxicity. Measurements as early as 24 h after the beginning of the treatments did not yield consistent results. However, root measurements at 48, 72, and 96 h after the beginning of treatments yielded significant differences among the cultivars which were similar to field performance observations made for mungbean growing in chromium‐rich soils. The cultivars, TARM‐22 and K‐851 had enhanced root growth while PDM‐54, Sujata, TARM‐21, LGG‐407, and PDM‐116 showed a reverse trend in root growth in the presence of chromium. The root tolerance index (RTI) and the shoot tolerance index (STI) with respect to the cultivars TARM‐22 and K‐851 were high indicating their tolerance to chromium, while the cultivars PDM‐54 and Sujata showed a low RTI and STL Based on the growth parameters of the eight mungbean cultivars, they were ranked with respect of their tolerance to chromium as follows: TARM‐22>K‐851>Dhauli>PDM‐116>LGG‐407>TARM‐21> Sujata>PDM‐54. Therefore, the nutrient culture method was able to quickly screen the mungbean cultivars for their tolerance to chromium.
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Claims 10
Claim · model-written summary
Measurements at 24 h did not consistently distinguish cultivars.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatat0 - Outcome
- consistent resultse0
- Direction
- did note0
- Qualifier
- 24 he0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Measurements as early as 24 h after the beginning of the treatments did not yield consistent results.”
t0“mungbean”
Claim · model-written summary
Root measurements at 48, 72 and 96 h significantly distinguished cultivars.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- root measurementse0
- Direction
- differencese0
- Qualifier
- 48, 72, and 96 he0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root measurements at 48, 72, and 96 h after the beginning of treatments yielded significant differences among the cultivars”
t0“mungbean”
Claim · model-written summary
TARM‐22 showed enhanced root growth under chromium.
- Taxon
- mungbeanVigna radiatat0
- Material
- TARM‐22e0
- Treatment
- chromiume0
- Outcome
- root growthe0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivars, TARM‐22 and K‐851 had enhanced root growth while PDM‐54, Sujata, TARM‐21, LGG‐407, and PDM‐116 showed a reverse trend in root growth in the presence of chromium.”
t0“mungbean”
Claim · model-written summary
K‐851 showed enhanced root growth under chromium.
- Taxon
- mungbeanVigna radiatat0
- Material
- K‐851e0
- Treatment
- chromiume0
- Outcome
- root growthe0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivars, TARM‐22 and K‐851 had enhanced root growth while PDM‐54, Sujata, TARM‐21, LGG‐407, and PDM‐116 showed a reverse trend in root growth in the presence of chromium.”
t0“mungbean”
Claim · model-written summary
PDM‐54, Sujata and TARM‐21 showed declining root growth under chromium.
- Taxon
- mungbeanVigna radiatat0
- Material
- PDM‐54, Sujata, TARM‐21e0
- Treatment
- chromiume0
- Outcome
- root growthe0
- Direction
- reverse trende0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PDM‐54, Sujata, TARM‐21, LGG‐407, and PDM‐116 showed a reverse trend in root growth in the presence of chromium.”
t0“mungbean”
Claim · model-written summary
LGG‐407 and PDM‐116 showed declining root growth under chromium.
- Taxon
- mungbeanVigna radiatat0
- Material
- LGG‐407, and PDM‐116e0
- Treatment
- chromiume0
- Outcome
- root growthe0
- Direction
- reverse trende0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LGG‐407, and PDM‐116 showed a reverse trend in root growth in the presence of chromium.”
t0“mungbean”
Claim · model-written summary
TARM‐22 and K‐851 had high root and shoot tolerance indices.
- Taxon
- mungbeanVigna radiatat0
- Material
- TARM‐22 and K‐851e0
- Outcome
- root tolerance index (RTI) and the shoot tolerance index (STI)e0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The root tolerance index (RTI) and the shoot tolerance index (STI) with respect to the cultivars TARM‐22 and K‐851 were high”
t0“mungbean”
Claim · model-written summary
PDM‐54 and Sujata had low tolerance indices.
- Taxon
- mungbeanVigna radiatat0
- Material
- PDM‐54 and Sujatae0
- Outcome
- RTI and STLe0
- Direction
- lowe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cultivars PDM‐54 and Sujata showed a low RTI and STL”
t0“mungbean”
Claim · model-written summary
Chromium tolerance ranked TARM‐22 highest and PDM‐54 lowest.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- TARM‐22>K‐851>Dhauli>PDM‐116>LGG‐407>TARM‐21> Sujata>PDM‐54e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TARM‐22>K‐851>Dhauli>PDM‐116>LGG‐407>TARM‐21> Sujata>PDM‐54.”
t0“mungbean”
Claim · model-written summary
Nutrient culture quickly screened mungbean cultivars for chromium tolerance.
- Taxon
- mungbeanVigna radiatae0
- Outcome
- quickly screen the mungbean cultivars for their tolerance to chromiume0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the nutrient culture method was able to quickly screen the mungbean cultivars for their tolerance to chromium.”
The same questions in other papers
chromium atom · growth · Vigna radiata (mung bean)Positive and negative results
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See all 11 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.