Abstract
A factorial pot experiment was conducted based on randomized complete blocks design in green house condition to investigate the effect of salt stress on photosynthesis, leaf carbohydrate concentration and daytime leaf carbon budget of two sugar beet cultivars (Madison and 7233-P29) over photoperiod. Plants were exposed to 0, 50, 150 and 250 mM salinity (NaCl and CaCl2 in 5 : 1 molar ratio) for 60 days. Measurements were done on youngest fully expanded leaves. Salinity caused a significant reduction in leaf net photosynthesis consequently total carbon fixed in both cultivars. However, salt stress significantly increased soluble carbohydrate concentration in both cultivars. Starch concentration of leaves also increased with increasing salinity. As salinity had inverse effect on photosynthesis process, the total carbon fixed decreased with increasing salinity. Daytime amount of carbon translocated from leaf was reduced by salinity.
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Claims 5
Claim · model-written summary
Salinity significantly reduced leaf net photosynthesis in both sugar beet cultivars.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarist0 - Material
- both cultivarse0
- Treatment
- Salinitye0
- Outcome
- leaf net photosynthesise0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity caused a significant reduction in leaf net photosynthesis consequently total carbon fixed in both cultivars.”
t0“sugar beet (Beta vulgaris L.)”
Claim · model-written summary
Salinity significantly reduced total carbon fixed in both cultivars.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Material
- both cultivarse0
- Treatment
- Salinitye0
- Outcome
- total carbon fixede0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity caused a significant reduction in leaf net photosynthesis consequently total carbon fixed in both cultivars.”
t0“sugar beet (Beta vulgaris L.)”
Claim · model-written summary
Salt stress significantly increased soluble carbohydrate concentration in both cultivars.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Material
- both cultivarse0
- Treatment
- salt stresse0
- Outcome
- soluble carbohydrate concentratione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress significantly increased soluble carbohydrate concentration in both cultivars.”
t0“sugar beet (Beta vulgaris L.)”
Claim · model-written summary
Leaf starch concentration increased with increasing salinity.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- salinitye0
- Outcome
- Starch concentration of leavese0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Starch concentration of leaves also increased with increasing salinity.”
t0“sugar beet (Beta vulgaris L.)”
Claim · model-written summary
Daytime leaf carbon translocation was reduced by salinity.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- salinitye0
- Outcome
- Daytime amount of carbon translocated from leafe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Daytime amount of carbon translocated from leaf was reduced by salinity.”
t0“sugar beet (Beta vulgaris L.)”
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