Abstract
Seedlings of two pearl millet (Pennisetum glaucum (L.) R. Br.) lines were exposed to 0 (control) and 100 mol m–3 NaCl salinity. Treatments were applied fourteen days after germination. Growth of the shoot and root system and ion contents were determined at seedlings (21 days after treatment) and vegetative stage (42 days after treatment). NaCl concentration caused reduction in the plant growth, particularly of the shoot, always with much intensity in the sensitive line. Results obtained indicated that the difference in growth between these two lines might be due to differences in ion transfer rates to the shoot and salt accumulation in the shoot. The sensitive line showed higher Na+ plus Cl- transfer rates to the shoot, especially in the beginning of the stress application and greater accumulation of these ions in the leaves The tolerant line, on the other hand, showed higher K+transfer rates and lower relative reduction in the Ca2+ transfer rates to the shoot under salt stress. So, these results suggest that tolerance to salt stress, in pearl millet lines studied may be related to plant ability to prevent accumulation of toxic ions like Na+ and Cl- and to maintain the shoot. Plant ability to make adequate osmotic adjustment, however, should not be ignored. Keywords: salinity, growth, ions, pearl millet.
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Claims 6
Claim · model-written summary
NaCl reduced growth, especially shoot growth and particularly in the sensitive line.
- Taxon
- pearl millet
Cenchrus americanust0 - Material
- sensitive linee0
- Organ / stage
- shoote0
- Treatment
- NaCl concentratione0
- Outcome
- plant growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl concentration caused reduction in the plant growth, particularly of the shoot, always with much intensity in the sensitive line.”
t0“pearl millet”
Claim · model-written summary
The sensitive line had higher Na+ and Cl- transfer to shoots.
- Taxon
- pearl milletCenchrus americanust0
- Material
- sensitive linee0
- Outcome
- Na+ plus Cl- transfer rates to the shoote0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sensitive line showed higher Na+ plus Cl- transfer rates to the shoot”
t0“pearl millet”
Claim · model-written summary
The sensitive line accumulated more Na+ and Cl- in leaves.
- Taxon
- pearl milletCenchrus americanust0
- Material
- sensitive linee0
- Outcome
- accumulation of these ions in the leavese0
- Direction
- greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sensitive line showed higher Na+ plus Cl- transfer rates to the shoot, especially in the beginning of the stress application and greater accumulation of these ions in the leaves”
t0“pearl millet”
Claim · model-written summary
The tolerant line had higher K+ transfer to shoots under salt stress.
- Taxon
- pearl milletCenchrus americanust0
- Material
- tolerant linee0
- Outcome
- K+transfer ratese0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tolerant line, on the other hand, showed higher K+transfer rates”
t0“pearl millet”
Claim · model-written summary
The tolerant line had a smaller relative reduction in Ca2+ transfer to shoots under salt stress.
- Taxon
- pearl milletCenchrus americanust0
- Treatment
- salt stresse0
- Outcome
- Ca2+ transfer rates to the shoote0
- Direction
- lower relative reductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lower relative reduction in the Ca2+ transfer rates to the shoot under salt stress”
t0“pearl millet”
Claim · model-written summary
The authors linked salt tolerance to limiting toxic ion accumulation and maintaining the shoot.
- Taxon
- pearl milletCenchrus americanuse0
- Outcome
- tolerance to salt stresse0
- Qualifier
- plant ability to prevent accumulation of toxic ions like Na+ and Cl- and to maintain the shoote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tolerance to salt stress, in pearl millet lines studied may be related to plant ability to prevent accumulation of toxic ions like Na+ and Cl- and to maintain the shoot.”
The same questions in other papers
sodium chloride · growth · Cenchrus americanus (pearl millet)Results differ
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
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.