Abstract
Salt stress in one of the most serious factors limiting the productivity of Zea mays. The aim of this work was to evaluate the effect of the cyanobacterium Nostoc muscorum extracellular products on the growth of salt sensitive Zea mays (Sc. 124) seedlings inhibited by sodium chloride. Growth parameters (length and weight of the seedlings) and pigments content were evaluated. Salt exposure negatively affected all growth parameters and pigment contents. Extracellular products nullified the salt effect on shoot dry weight (from 37% to 5% decrease); partially counteracted the effect on shoot length (from 55% to 39% decrease), root dry weight (from 56.7% to 40% decrease) and had no effect on root length. Salinity decreased chlorophyll contents of the seedlings, reduction was 60%, but application of cyanobacterial extracellular products had a distinct effect on salinity alleviation as evident from recovery in the pigment contents. This improvement in chlorophyll contents was 40%.
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Claims 8
Claim · model-written summary
Salt exposure reduced growth parameters.
Not reportedTaxonComparator
Verbatim
e0“Salt exposure negatively affected all growth parameters and pigment contents.”
Claim · model-written summary
Salt exposure reduced pigment content.
Not reportedTaxonComparator
Verbatim
e0“Salt exposure negatively affected all growth parameters and pigment contents.”
Claim · model-written summary
Extracellular products reduced shoot dry weight loss from 37% to 5%.
- Treatment
- Extracellular productse0
- Outcome
- shoot dry weighte0
- Direction
- nullifiede0
- Value
- from 37% to 5% decreasee0
Not reportedTaxonComparator
Verbatim
e0“Extracellular products nullified the salt effect on shoot dry weight (from 37% to 5% decrease)”
Claim · model-written summary
Extracellular products reduced shoot length loss from 55% to 39%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“partially counteracted the effect on shoot length (from 55% to 39% decrease)”
Claim · model-written summary
Extracellular products reduced root dry weight loss from 56.7% to 40%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“root dry weight (from 56.7% to 40% decrease)”
Claim · model-written summary
Extracellular products had no effect on root length.
Not reportedTaxonTreatmentComparator
Verbatim
e0“had no effect on root length.”
Claim · model-written summary
Salinity decreased seedling chlorophyll by 60%.
Not reportedTaxonComparator
Verbatim
e0“Salinity decreased chlorophyll contents of the seedlings, reduction was 60%”
Claim · model-written summary
Cyanobacterial products improved chlorophyll by 40%.
- Treatment
- application of cyanobacterial extracellular productse0
- Outcome
- chlorophyll contentse0
- Direction
- improvemente0
- Value
- 40%e0
Not reportedTaxonComparator
Verbatim
e0“application of cyanobacterial extracellular products had a distinct effect on salinity alleviation as evident from recovery in the pigment contents. This improvement in chlorophyll contents was 40%.”