Abstract
Mungbean is an ecologically important food grain legume crop. Susceptibility towards salinity stress has limited the productivity of mungbean. The effect of salt stress on two popular mungbean varieties ("Pusa vishal" and "Pusa ratna") has been compared during summer and spring seasons. The experiment was carried out at two salinity stress levels (50 mM and 75 mM NaCl). Significant variations and adaptability among stressed and non-stressed plants were observed in both varieties. The plants in early vegetative stage were found more resistant to salinity as compared to plants in late vegetative and reproductive stage. Salt stress, high temperature and salinity induced osmotic stress severely limited the plant growth, morphology, physiology and yield characteristics during summer. Measured parameters were less affected during spring season. The tolerant variety ?Pusa vishal? exhibited less reduction in plant height, total chlorophyll and carotenoid contents, plant length, leaf area, rate of photosynthesis, number of pods per plant and grain yield at high salinity level. However, the susceptible variety ?Pusa ratna? showed higher reduction for the measured parameters under salinity stress. A delay in pod ripening during spring season resulted in less pod-shattering. The present study may help to execute further research on screening of large mungbean germplasm for salt tolerance during spring season. The germplasm screening may help to identify resistant genotypes for genetic improvement of mungbean for growing in saline soil.
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Claims 8
Claim · model-written summary
Early vegetative mungbean plants were more salt resistant than late vegetative and reproductive plants.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatat0 - Organ / stage
- early vegetative stagee0
- Outcome
- resistant to salinitye0
- Direction
- more resistante0
- Comparator
- late vegetative and reproductive stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The plants in early vegetative stage were found more resistant to salinity as compared to plants in late vegetative and reproductive stage.”
t0“mungbean”
Claim · model-written summary
Salt stress and high temperature severely limited mungbean growth, morphology, physiology and yield in summer.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- Salt stress, high temperature and salinity induced osmotic stresse0
- Outcome
- plant growth, morphology, physiology and yield characteristicse0
- Direction
- severely limitede0
- Setting
- summere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress, high temperature and salinity induced osmotic stress severely limited the plant growth, morphology, physiology and yield characteristics during summer.”
t0“mungbean”
Claim · model-written summary
Measured mungbean parameters were less affected in spring than summer.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- Measured parameterse0
- Direction
- less affectede0
- Setting
- spring seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Measured parameters were less affected during spring season.”
t0“mungbean”
Claim · model-written summary
Salt tolerant Pusa vishal showed less reduction in growth traits at high salinity.
- Taxon
- mungbeanVigna radiatat0
- Material
- Pusa vishale0
- Treatment
- high salinity levele0
- Outcome
- plant length, leaf areae0
- Direction
- less reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tolerant variety ?Pusa vishal? exhibited less reduction in plant height, total chlorophyll and carotenoid contents, plant length, leaf area, rate of photosynthesis, number of pods per plant and grain yield at high salinity level.”
t0“mungbean”
Claim · model-written summary
Pusa vishal showed less reduction in chlorophyll, carotenoids and photosynthesis at high salinity.
- Taxon
- mungbeanVigna radiatat0
- Material
- Pusa vishale0
- Treatment
- high salinity levele0
- Outcome
- total chlorophyll and carotenoid contentse0
- Direction
- less reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tolerant variety ?Pusa vishal? exhibited less reduction in plant height, total chlorophyll and carotenoid contents, plant length, leaf area, rate of photosynthesis, number of pods per plant and grain yield at high salinity level.”
t0“mungbean”
Claim · model-written summary
Pusa vishal showed less reduction in pod number and grain yield at high salinity.
- Taxon
- mungbeanVigna radiatat0
- Material
- Pusa vishale0
- Treatment
- high salinity levele0
- Outcome
- number of pods per plant and grain yielde0
- Direction
- less reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tolerant variety ?Pusa vishal? exhibited less reduction in plant height, total chlorophyll and carotenoid contents, plant length, leaf area, rate of photosynthesis, number of pods per plant and grain yield at high salinity level.”
t0“mungbean”
Claim · model-written summary
Pusa ratna showed higher reductions in measured parameters under salinity stress.
- Taxon
- mungbeanVigna radiatat0
- Material
- Pusa ratnae0
- Treatment
- salinity stresse0
- Outcome
- measured parameterse0
- Direction
- higher reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the susceptible variety ?Pusa ratna? showed higher reduction for the measured parameters under salinity stress.”
t0“mungbean”
Claim · model-written summary
Delayed spring pod ripening resulted in less pod shattering.
- Taxon
- mungbeanVigna radiatat0
- Organ / stage
- pod ripeninge0
- Outcome
- pod-shatteringe0
- Direction
- lesse0
- Setting
- spring seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A delay in pod ripening during spring season resulted in less pod-shattering.”
t0“mungbean”
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