Abstract
The present study was conducted to assess the morphophysiological and biochemical responses during different developmental stages in mungbean varieties subjected to drought stress, and to screen the varieties for drought tolerance. A field experiment was performed according to a completely randomized design on 25 mungbean varieties with 3 replicates per variety. Stress treatment was applied at 3 levels: control (no stress), vegetative stage (25 days after sowing), and reproductive stage (35 days after sowing). According to combined analysis of variance, there were significant effects from drought stress on relative water content (RWC), membrane stability index (MSI), protein and proline content of leaves, leaf area, plant height, and yield traits. MSI, RWC, protein content, leaf area, plant height, and yield traits were decreased during drought stress, while proline content was increased under drought stress conditions. The results showed that the vegetative stage was more sensitive to drought stress, which was further supported by correlation analysis. Taken together, Vigna sublobata, MCV-1, PLM-32, LGG-407, LGG-450, TM-96-2, and Sattya varieties were identified as drought tolerant as they maintained the higher values of RWC, MSI, protein, proline content, leaf area, plant height, and yield traits. These varieties could be used in breeding programs for better physiological drought tolerance traits.
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Claims 8
Claim · model-written summary
Drought stress significantly affected mungbean water status, membrane stability, leaf protein and proline, growth and yield traits.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatae1 - Treatment
- drought stresse0
- Outcome
- relative water content (RWC), membrane stability index (MSI), protein and proline content of leaves, leaf area, plant height, and yield traitse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“there were significant effects from drought stress on relative water content (RWC), membrane stability index (MSI), protein and proline content of leaves, leaf area, plant height, and yield traits”
e1“in mungbean varieties subjected to drought stress”
Claim · model-written summary
Drought reduced mungbean membrane stability, relative water content and leaf protein content.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- drought stresse0
- Outcome
- MSI, RWC, protein contente0
- Direction
- decreasede0
- Comparator
- control (no stress)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSI, RWC, protein content, leaf area, plant height, and yield traits were decreased during drought stress”
e1“in mungbean varieties subjected to drought stress”
e2“control (no stress)”
Claim · model-written summary
Drought reduced mungbean leaf area and plant height.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- drought stresse0
- Outcome
- leaf area, plant heighte0
- Direction
- decreasede0
- Comparator
- control (no stress)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSI, RWC, protein content, leaf area, plant height, and yield traits were decreased during drought stress”
e1“in mungbean varieties subjected to drought stress”
e2“control (no stress)”
Claim · model-written summary
Drought reduced mungbean yield traits.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- drought stresse0
- Outcome
- yield traitse0
- Direction
- decreasede0
- Comparator
- control (no stress)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSI, RWC, protein content, leaf area, plant height, and yield traits were decreased during drought stress”
e1“in mungbean varieties subjected to drought stress”
e2“control (no stress)”
Claim · model-written summary
Mungbean leaf proline content increased under drought stress.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- drought stress conditionse0
- Outcome
- proline contente0
- Direction
- increasede0
- Comparator
- control (no stress)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline content was increased under drought stress conditions”
e1“in mungbean varieties subjected to drought stress”
e2“control (no stress)”
Claim · model-written summary
The mungbean vegetative stage was more drought sensitive than the reproductive stage.
- Taxon
- mungbeanVigna radiatae2
- Organ / stage
- vegetative stagee0
- Outcome
- more sensitive to drought stresse0
- Direction
- more sensitivee0
- Comparator
- reproductive stagee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the vegetative stage was more sensitive to drought stress, which was further supported by correlation analysis”
e1“reproductive stage (35 days after sowing)”
e2“in mungbean varieties subjected to drought stress”
Claim · model-written summary
Seven named mungbean varieties were identified as drought tolerant with higher water status, stability, protein, proline, growth and yield traits.
- Taxon
- Vigna sublobata
_Ohwi_%26_Ohashi_(21950417553).jpg?width=60)
Vigna radiata var. sublobatae0 - Material
- MCV-1, PLM-32, LGG-407, LGG-450, TM-96-2, and Sattya varietiese0
- Outcome
- drought tolerante0
- Qualifier
- higher values of RWC, MSI, protein, proline content, leaf area, plant height, and yield traitse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Ohwi_%26_Ohashi_(21950417553).jpg?width=500)
Verbatim
e0“Vigna sublobata, MCV-1, PLM-32, LGG-407, LGG-450, TM-96-2, and Sattya varieties were identified as drought tolerant as they maintained the higher values of RWC, MSI, protein, proline content, leaf area, plant height, and yield traits”
Claim · model-written summary
The authors propose the tolerant varieties for breeding improved physiological drought tolerance.
- Taxon
- mungbeanVigna radiatae1
- Outcome
- could be used in breeding programs for better physiological drought tolerance traitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These varieties could be used in breeding programs for better physiological drought tolerance traits”
e1“in mungbean varieties subjected to drought stress”
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