Abstract
Interactive effects of salinity and light on plant growth were studied with intact bean seedlings (Phaseolus vulgaris L.) and with excised cotyledonary leaves of radish (Raphanus sativus L.) cultured on control and saline (NaCl) media in the dark and under a range of light intensities. In both cases, excess NaCl had very little effect on heterotrophic growth in the dark; it had an unexpected stimulating effect on growth in low-intensity light and a suppressive effect only at moderately high light intensities. Excess NaCl was particularly effective in suppressing growth processes requiring high-energy light, for example, leaf expansion and the accompanying net synthesis of nucleic acid and protein. Microscopic examination and analysis of chloroplasts of salt-stunted bean and pea (Pisum sativum L) plants indicated a suppression of chloroplast development.
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Claims 5
Claim · model-written summary
Excess NaCl had little effect on growth in darkness.
- Taxon
- Phaseolus vulgaris L.
Phaseolus vulgarise1 - Treatment
- excess NaCle0
- Outcome
- heterotrophic growthe0
- Direction
- very little effecte0
- Setting
- in the darke0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both cases, excess NaCl had very little effect on heterotrophic growth in the dark;”
t0“Plant Growth Suppression on Saline Media: Interactions with Light”
e1“intact bean seedlings (Phaseolus vulgaris L.) and with excised cotyledonary leaves of radish (Raphanus sativus L.) cultured on control and saline (NaCl) media”
Claim · model-written summary
Excess NaCl stimulated growth under low-intensity light.
- Taxon
- Raphanus sativus L.
Raphanus sativuse1 - Treatment
- NaCle1
- Outcome
- growthe0
- Direction
- stimulatinge0
- Setting
- low-intensity lighte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it had an unexpected stimulating effect on growth in low-intensity light”
t0“Plant Growth Suppression on Saline Media: Interactions with Light”
e1“intact bean seedlings (Phaseolus vulgaris L.) and with excised cotyledonary leaves of radish (Raphanus sativus L.) cultured on control and saline (NaCl) media”
Claim · model-written summary
Excess NaCl suppressed growth at moderately high light intensities.
- Taxon
- Phaseolus vulgaris L.Phaseolus vulgarise1
- Outcome
- growtht0
- Direction
- suppressivee0
- Setting
- moderately high light intensitiese0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a suppressive effect only at moderately high light intensities”
t0“Plant Growth Suppression on Saline Media: Interactions with Light”
e1“intact bean seedlings (Phaseolus vulgaris L.) and with excised cotyledonary leaves of radish (Raphanus sativus L.) cultured on control and saline (NaCl) media”
Claim · model-written summary
Excess NaCl suppressed leaf expansion and net nucleic acid and protein synthesis.
- Taxon
- Raphanus sativus L.Raphanus sativuse1
- Treatment
- Excess NaCle0
- Outcome
- leaf expansion and the accompanying net synthesis of nucleic acid and proteine0
- Direction
- suppressinge0
- Setting
- high-energy lighte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Excess NaCl was particularly effective in suppressing growth processes requiring high-energy light, for example, leaf expansion and the accompanying net synthesis of nucleic acid and protein.”
t0“Plant Growth Suppression on Saline Media: Interactions with Light”
e1“intact bean seedlings (Phaseolus vulgaris L.) and with excised cotyledonary leaves of radish (Raphanus sativus L.) cultured on control and saline (NaCl) media”
Claim · model-written summary
Salt-stunted bean and pea plants showed suppressed chloroplast development.
Verbatim
e0“Microscopic examination and analysis of chloroplasts of salt-stunted bean and pea (Pisum sativum L) plants indicated a suppression of chloroplast development.”
The same questions in other papers
sodium chloride · growth · Raphanus sativus (radish)Results differ
3 papers in the same direction as this paper · 7 in the opposite direction
- negative
- negative
- negative
7 papers more in this group
See all 11 papers →sodium chloride · growth · Phaseolus vulgaris (common bean)Results differ
37 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
39 papers more in this group
See all 43 papers →sodium chloride · quality: protein · Raphanus sativus (radish)Results agree
2 papers in the same direction as this paper
- 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.