Abstract
Abstract: The present study was conducted to assess the physiological and biochemical responses of winter vegetable radish (Raphanus sativus L.) to salinity stress. Salt stress markedly reduced biomass production of both radish varieties. Shoot fresh and dry weights were significantly reduced under salt stress, higher reduction was found at 120 mM NaCl as compared. Salt stress significantly reduced chlorophyll contents in both radish varieties. Higher contents of chl. a&b chl. a/b ratio was found in variety Deci White while, lower in Lal Pari under different levels of sodium chloride. Physiological parameters such as net photosynthetic rate, transpiration rate, stomatal conductance, sub-stomatal CO 2 conc. and water use efficiency was decreased in both radish varieties under salt stress. Out of various physiological and biochemical indicators, net photosynthetic rate and chlorophyll content can be used as more effective selection indicator for salinity tolerance in winter vegetable radish.
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Claims 6
Claim · model-written summary
Salt stress reduced shoot fresh and dry weights in both varieties, with a larger reduction at 120 mM NaCl.
Not reportedTaxonComparator
Verbatim
e0“Shoot fresh and dry weights were significantly reduced under salt stress, higher reduction was found at 120 mM NaCl as compared.”
Claim · model-written summary
Salt stress significantly reduced chlorophyll contents in both varieties.
- Taxon
- radish
Raphanus sativuse0 - Treatment
- Salt stresse0
- Outcome
- chlorophyll contentse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress significantly reduced chlorophyll contents in both radish varieties.”
Claim · model-written summary
Deci White had higher chlorophyll a and b contents and chlorophyll a/b ratio than Lal Pari under sodium chloride.
- Material
- Deci Whitee0
- Treatment
- sodium chloridee0
- Outcome
- contents of chl. a&b chl. a/b ratioe0
- Direction
- Highere0
- Comparator
- Lal Parie0
Not reportedTaxon
Verbatim
e0“Higher contents of chl. a&b chl. a/b ratio was found in variety Deci White while, lower in Lal Pari under different levels of sodium chloride.”
Claim · model-written summary
Net photosynthetic rate, transpiration rate and stomatal conductance decreased under salt stress.
- Taxon
- radishRaphanus sativuse0
- Treatment
- salt stresse0
- Outcome
- net photosynthetic rate, transpiration rate, stomatal conductancee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net photosynthetic rate, transpiration rate, stomatal conductance, sub-stomatal CO 2 conc. and water use efficiency was decreased in both radish varieties under salt stress.”
Claim · model-written summary
Sub-stomatal CO2 concentration and water use efficiency decreased under salt stress.
- Taxon
- radishRaphanus sativuse0
- Treatment
- salt stresse0
- Outcome
- sub-stomatal CO 2 conc. and water use efficiencye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sub-stomatal CO 2 conc. and water use efficiency was decreased in both radish varieties under salt stress.”
Claim · model-written summary
The authors propose net photosynthetic rate and chlorophyll content as more effective indicators for salinity tolerance selection.
Verbatim
e0“net photosynthetic rate and chlorophyll content can be used as more effective selection indicator for salinity tolerance in winter vegetable radish.”
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