Abstract
The present study investigated the influence of cyanobacterial inoculants viz., Anabaena laxa (A.laxa) ), Calothrix elenkinii (C. elenkinii) and Anabaena torulosa- Trichoderma viride (An-Tr) under ambient (aCO2) and elevated (eCO2) conditions, on soil and plant parameters, when grown with/without tomato crop. Significant enhancement in soil chlorophyll, proteins, polysaccharide content, total leaf pigments and C-N assimilating enzyme activities was recorded under elevated CO2 conditions with cyanobacterial inoculation, when grown with/without tomato crop. Supplementation with A. laxa led to more than a fold-enhancement in polysaccharides and 40%–45% increment in available nitrogen, while An-Tr recorded 60%–70% increase in soil microbial biomass carbon under elevated CO2 condition. A. laxa treatment also recorded highest plant pigments, glutamine synthetase and carbonic anhydrase activity under elevated CO2 condition. Distinct influence of elevated CO2 condition, cyanobacterial inoculation and plant and their interactions were recorded. Interestingly, plants grown under elevated CO2 showed early flowering, by eight days, compared to ambient conditions. Phospholipid fatty acid profiles of soil samples illustrated significant changes in the total biomass and distribution of notional microbial groups due to inoculation and the presence of plant. Multivariate analyses illustrated the significant interactions among the soil and microbiological attributes, highlighting that cyanobacterial inoculation can be a promising intervention to utilize beneficially the elevated CO2 for enhancing soil nutrients, crop growth and productivity in tomato.
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Claims 3
Claim · model-written summary
Elevated CO2 with cyanobacterial inoculation increased total leaf pigments and carbon-nitrogen assimilating enzyme activities.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- elevated CO2 conditions with cyanobacterial inoculatione0
- Outcome
- total leaf pigments and C-N assimilating enzyme activitiese0
- Direction
- enhancemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant enhancement in soil chlorophyll, proteins, polysaccharide content, total leaf pigments and C-N assimilating enzyme activities was recorded under elevated CO2 conditions with cyanobacterial inoculation”
t0“tomato”
Claim · model-written summary
A. laxa under elevated CO2 produced the highest plant pigments, glutamine synthetase and carbonic anhydrase activity.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- A. laxa treatmente0
- Interactor
- A. laxaAnabaena laxae0symbiont
- Outcome
- plant pigments, glutamine synthetase and carbonic anhydrase activitye0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A. laxa treatment also recorded highest plant pigments, glutamine synthetase and carbonic anhydrase activity under elevated CO2 condition”
t0“tomato”
Claim · model-written summary
Elevated CO2 advanced flowering by eight days relative to ambient conditions.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- elevated CO2e0
- Outcome
- floweringe0
- Direction
- earlye0
- Value
- eight dayse0
- Comparator
- ambient conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants grown under elevated CO2 showed early flowering, by eight days, compared to ambient conditions”
t0“tomato”
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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.