Abstract
Reproductive processes of chickpea (Cicer arietinum L.) are particularly sensitive to salinity. We tested whether limited photoassimilate availability contributes to reproductive failure in salt-stressed chickpea. Rupali, a salt-sensitive genotype, was grown in aerated nutrient solution, either with non-saline (control) or 30mM NaCl treatment. At flowering, stems were either infused with sucrose solution (0.44M), water only or maintained without any infusion, for 75 d. The sucrose and water infusion treatments of non-saline plants had no effect on growth or yield, but photosynthesis declined in response to sucrose infusion. Salt stress reduced photosynthesis, decreased tissue sugars by 22-47%, and vegetative and reproductive growth were severely impaired. Sucrose infusion of salt-treated plants increased total sugars in stems, leaves and developing pods, to levels similar to those of non-saline plants. In salt-stressed plants, sucrose infusion increased dry mass (2.6-fold), pod numbers (3.8-fold), seed numbers (6.5-fold) and seed yield (10.4-fold), yet vegetative growth and reproductive failure were not rescued completely by sucrose infusion. Sucrose infusion partly rescued reproductive failure in chickpea by increasing vegetative growth enabling more flower production and by providing sucrose for pod and seed growth. We conclude that insufficient assimilate availability limits yield in salt-stressed chickpea.
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Claims 12
Claim · model-written summary
Sucrose or water infusion did not affect growth or yield in non-saline chickpea.
- Taxon
- chickpea
Cicer arietinumt0 - Treatment
- sucrose and water infusion treatmentse0
- Outcome
- growth or yielde0
- Direction
- had no effecte0
- Comparator
- non-saline plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sucrose and water infusion treatments of non-saline plants had no effect on growth or yield”
t0“chickpea”
Claim · model-written summary
Sucrose infusion reduced photosynthesis in non-saline chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- photosynthesise0
- Direction
- declinede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“photosynthesis declined in response to sucrose infusion”
t0“chickpea”
Claim · model-written summary
Salt stress reduced chickpea photosynthesis.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Salt stresse0
- Outcome
- photosynthesise0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress reduced photosynthesis”
t0“chickpea”
Claim · model-written summary
Salt stress decreased chickpea tissue sugars by 22-47%.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Salt stresse0
- Outcome
- tissue sugarse0
- Direction
- decreasede0
- Value
- 22-47%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress reduced photosynthesis, decreased tissue sugars by 22-47%”
t0“chickpea”
Claim · model-written summary
Salt stress severely impaired chickpea vegetative and reproductive growth.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Salt stresse1
- Outcome
- vegetative and reproductive growthe0
- Direction
- impairede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“vegetative and reproductive growth were severely impaired”
t0“chickpea”
e1“Salt stress reduced photosynthesis, decreased tissue sugars by 22-47%, and vegetative and reproductive growth were severely impaired”
Claim · model-written summary
Sucrose infusion increased total sugars in salt-treated chickpea stems, leaves and developing pods to levels similar to non-saline plants.
- Taxon
- chickpeaCicer arietinumt0
- Organ / stage
- stems, leaves and developing podse0
- Treatment
- Sucrose infusione0
- Outcome
- total sugarse0
- Direction
- increasede0
- Comparator
- non-saline plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sucrose infusion of salt-treated plants increased total sugars in stems, leaves and developing pods, to levels similar to those of non-saline plants”
t0“chickpea”
Claim · model-written summary
Sucrose infusion increased dry mass 2.6-fold in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- dry masse0
- Direction
- increasede0
- Value
- 2.6-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In salt-stressed plants, sucrose infusion increased dry mass (2.6-fold)”
t0“chickpea”
Claim · model-written summary
Sucrose infusion increased pod numbers 3.8-fold in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- pod numberse0
- Direction
- increasede0
- Value
- 3.8-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sucrose infusion increased dry mass (2.6-fold), pod numbers (3.8-fold)”
t0“chickpea”
Claim · model-written summary
Sucrose infusion increased seed numbers 6.5-fold in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- seed numberse0
- Direction
- increasede0
- Value
- 6.5-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sucrose infusion increased dry mass (2.6-fold), pod numbers (3.8-fold), seed numbers (6.5-fold)”
t0“chickpea”
Claim · model-written summary
Sucrose infusion increased seed yield 10.4-fold in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- seed yielde0
- Direction
- increasede0
- Value
- 10.4-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sucrose infusion increased dry mass (2.6-fold), pod numbers (3.8-fold), seed numbers (6.5-fold) and seed yield (10.4-fold)”
t0“chickpea”
Claim · model-written summary
Sucrose infusion did not completely rescue vegetative growth or reproductive failure in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- sucrose infusione0
- Outcome
- vegetative growth and reproductive failuree0
- Direction
- not rescued completelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“vegetative growth and reproductive failure were not rescued completely by sucrose infusion”
t0“chickpea”
Claim · model-written summary
The authors conclude insufficient assimilate availability limits yield in salt-stressed chickpea.
- Taxon
- chickpeaCicer arietinume0
- Outcome
- yielde0
- Qualifier
- salt-stressede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“insufficient assimilate availability limits yield in salt-stressed chickpea”
The same questions in other papers
sucrose · growth · Cicer arietinum (chickpea)Results agree
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- positive
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salinity · growth · Cicer arietinum (chickpea)Results differ
59 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
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62 papers more in this group
See all 66 papers →salinity · physiology: photosynthesis · Cicer arietinum (chickpea)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
3 papers more in this group
See all 7 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.