Abstract
Effects of equimolar concentrations of NaCl and Na2SO4 on trichome morphology and distribution were studied in Ocimum basilicum. Plants were treated with high salinity for 15 days. Under control conditions, four types of trichomes were observed, two non glandular trichomes (NGT, bicellular or multicellular) and two glandular trichomes (GT; peltate, P and capitate, C). In contrast with P, NGT were more represented on the adaxial than on the abaxial leaf side whereas the density of C ones was not significantly affected by the surface. Under salinity conditions, the density of P trichomes increased if plants were treated with 50 mM NaCl whereas an opposite pattern was observed following 25 mM Na2SO4 treatment. Changes in GT density under salinity was correlated with their role in essential oil production. However, the density of C, which is not considered being involved in this role, decreased regardless to the type of salt administered.
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Claims 7
Claim · model-written summary
Four trichome types were observed under control conditions.
- Taxon
- Ocimum basilicum
Ocimum basilicumt0 - Organ / stage
- trichomese0
- Outcome
- four types of trichomese0
- Value
- four typese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under control conditions, four types of trichomes were observed, two non glandular trichomes (NGT, bicellular or multicellular) and two glandular trichomes (GT; peltate, P and capitate, C)”
t0“Ocimum basilicum”
Claim · model-written summary
Non-glandular trichomes were more abundant on the adaxial than abaxial leaf side.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Organ / stage
- adaxiale0
- Outcome
- NGTe0
- Direction
- more representede0
- Comparator
- abaxial leaf sidee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NGT were more represented on the adaxial than on the abaxial leaf side”
t0“Ocimum basilicum”
Claim · model-written summary
Capitate trichome density did not differ significantly by leaf surface.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Organ / stage
- surfacee0
- Outcome
- density of C onese0
- Direction
- not significantly affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the density of C ones was not significantly affected by the surface”
t0“Ocimum basilicum”
Claim · model-written summary
50 mM NaCl increased peltate trichome density.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Treatment
- 50 mM NaCle0
- Outcome
- density of P trichomese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the density of P trichomes increased if plants were treated with 50 mM NaCl”
t0“Ocimum basilicum”
Claim · model-written summary
25 mM Na2SO4 produced the opposite pattern in peltate trichome density.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Treatment
- 25 mM Na2SO4e0
- Outcome
- opposite patterne0
- Direction
- opposite patterne0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an opposite pattern was observed following 25 mM Na2SO4 treatment”
t0“Ocimum basilicum”
Claim · model-written summary
Glandular trichome density changes under salinity correlated with their role in essential oil production.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Organ / stage
- GTe0
- Treatment
- salinitye0
- Outcome
- GT densitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Changes in GT density under salinity was correlated with their role in essential oil production”
t0“Ocimum basilicum”
Claim · model-written summary
Capitate trichome density decreased regardless of the salt used.
- Taxon
- Ocimum basilicumOcimum basilicumt0
- Treatment
- type of salt administerede0
- Outcome
- density of Ce0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the density of C, which is not considered being involved in this role, decreased regardless to the type of salt administered”
t0“Ocimum basilicum”