Abstract
An experiment was conducted in the root chambers during 2010–11 under the net-house conditions at Central Research Institute for Dryland Agriculture (CRIDA) Hyderabad, India to study the effect of soil moisture deficit on root morphology and root architecture of two morphologically contrasting cultivars of mungbean in comparison with the irrigated treatment. ML267 (short stature) and WGG37 (tall stature) were studied with two watering treatments viz., soil moisture up to FC (irrigated) and another up to 33.3% Available Water Content (deficit watered). Soil moisture stress affected total root length at flowering stage (42DAS) of mungbean by 30% irrespective of cultivar and also expressed drought resistance of ML267 at vegetative stage (22DAS) and at pod filling stage (69DAS) of WGG37. Deficit soil moisture conditions affected WGG37 more than ML267. It is concluded that soil moisture deficit conditions (33.3%AWC) though reduced the root dry weight at the top soil depth, increased Total Root Length (TRL), Root Length Density (RLD), Root Surface Area (RSA) at deeper soil depths especially at 42DAS resulting in high root shoot ratio and fine root length of ML267. 2D Root architecture image of a single plant and root measurement at different soil profile depths could be possible in Root chamber-Pin board methodology. Therefore, this indigenized Root chamber-Pin board method was adopted and is recommended for study of root architecture under controlled conditions.
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Claims 9
Claim · model-written summary
Soil moisture stress changed total mungbean root length at flowering by 30%.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatae0 - Organ / stage
- flowering stage (42DAS)e0
- Treatment
- Soil moisture stresse0
- Outcome
- total root lengthe0
- Value
- 30%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Soil moisture stress affected total root length at flowering stage (42DAS) of mungbean by 30% irrespective of cultivar”
Claim · model-written summary
ML267 showed drought resistance at vegetative stage.
- Taxon
- mungbeanVigna radiatat0
- Material
- ML267e0
- Organ / stage
- vegetative stage (22DAS)e0
- Outcome
- drought resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expressed drought resistance of ML267 at vegetative stage (22DAS)”
t0“mungbean”
Claim · model-written summary
WGG37 showed drought resistance at pod filling stage.
- Taxon
- mungbeanVigna radiatat0
- Material
- WGG37e0
- Organ / stage
- pod filling stage (69DAS)e0
- Outcome
- drought resistancee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at pod filling stage (69DAS) of WGG37”
e1“expressed drought resistance”
t0“mungbean”
Claim · model-written summary
Water deficit affected WGG37 more than ML267.
- Taxon
- mungbeanVigna radiatat0
- Material
- WGG37e0
- Treatment
- Deficit soil moisture conditionse0
- Outcome
- affected WGG37 more than ML267e0
- Direction
- moree0
- Comparator
- ML267e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Deficit soil moisture conditions affected WGG37 more than ML267”
t0“mungbean”
Claim · model-written summary
Water deficit reduced root dry weight in the top soil.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- soil moisture deficit conditions (33.3%AWC)e0
- Outcome
- root dry weighte0
- Direction
- reducede0
- Qualifier
- at the top soil depthe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil moisture deficit conditions (33.3%AWC) though reduced the root dry weight at the top soil depth”
t0“mungbean”
Claim · model-written summary
Water deficit increased ML267 total root length, density and surface area in deeper soil, especially at 42DAS.
- Taxon
- mungbeanVigna radiatat0
- Material
- ML267e2
- Treatment
- soil moisture deficit conditions (33.3%AWC)e1
- Outcome
- Total Root Length (TRL), Root Length Density (RLD), Root Surface Area (RSA)e0
- Direction
- increasede0
- Qualifier
- at deeper soil depths especially at 42DASe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased Total Root Length (TRL), Root Length Density (RLD), Root Surface Area (RSA) at deeper soil depths especially at 42DAS”
e1“soil moisture deficit conditions (33.3%AWC)”
e2“fine root length of ML267”
t0“mungbean”
Claim · model-written summary
Water deficit resulted in high root shoot ratio and fine root length in ML267.
- Taxon
- mungbeanVigna radiatat0
- Material
- ML267e0
- Treatment
- soil moisture deficit conditions (33.3%AWC)e1
- Outcome
- root shoot ratio and fine root lengthe0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“resulting in high root shoot ratio and fine root length of ML267”
e1“soil moisture deficit conditions (33.3%AWC)”
t0“mungbean”
Claim · model-written summary
The root chamber pin board method enabled two dimensional root images and depth specific measurements.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- 2D Root architecture image of a single plant and root measurement at different soil profile depthse0
- Value
- 2De0
- Qualifier
- Root chamber-Pin board methodologye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2D Root architecture image of a single plant and root measurement at different soil profile depths could be possible in Root chamber-Pin board methodology”
t0“mungbean”
Claim · model-written summary
The authors recommend the root chamber pin board method to study root architecture under controlled conditions.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- recommended for study of root architecture under controlled conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this indigenized Root chamber-Pin board method was adopted and is recommended for study of root architecture under controlled conditions”
t0“mungbean”
The same questions in other papers
drought · growth · Vigna radiata (mung bean)Positive and negative results
8 papers in the same direction as this paper · 36 in the opposite direction
- negative
- negative
- negative
41 papers more in this group
See all 45 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.