Abstract
Currently, the importance of using new biotechnologies in crop cultivation, in particular the introduction of microbial inoculants and products obtained by nanotechnology, is increasing. However, the peculiarities of the interaction of microorganisms with plants when using such products have not been studied enough. The work aimed to study the effects of seed inoculation with a complex of rhizospheric diazotrophs (CRD) and treatment with a trace elements solution (TES) obtained by nanotechnology on CO2 net assimilation (An) and yield of winter wheat. Plants were grown in a pot experiment with the following treatments: 1 – control; 2 – seeds inoculation with diazotrophs (CRD); 3 – seeds treatment with trace element solution (TES); 4 – seeds treatment with CRD + TES seeds treatment; 5 – TES plants treatment at the heading stage; 6 – CRD seeds inoculation + TES plants treatment at the heading stage. The obtained results showed that the nitrogenase activity in the wheat plants' rhizosphere under CRD inoculation was significantly higher by 25% on average compared to the control and treatments with only TES. For all treatments, An at ripening stage exceeded the control level by 18–34%, and the plant grain productivity – by 17–27%. Significant correlations (r = 0.86–0.90) were found between the An at the ripening stage and the grain weight from the whole plant. It was concluded that the optimal combination was CRD seeds inoculation + TES seeds treatment, where the highest main shoot and the whole plant grain productivity were observed. The seed treatment with the trace element solution was more effective in increasing the main shoot productivity, while the treatment at the heading stage was more effective for the whole plant's productivity.
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Claims 7
Claim · model-written summary
Seed inoculation with CRD raised rhizosphere nitrogenase activity in wheat by 25% on average relative to the control and TES-only treatments.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- CRD inoculatione1
- Interactor
- rhizospheric diazotrophse2symbiont
- Outcome
- nitrogenase activitye1
- Direction
- highere1
- Value
- 25%e1
- Comparator
- the control and treatments with only TESe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the nitrogenase activity in the wheat plants' rhizosphere under CRD inoculation was significantly higher by 25% on average compared to the control and treatments with only TES”
e2“seed inoculation with a complex of rhizospheric diazotrophs (CRD)”
Claim · model-written summary
At the ripening stage, net assimilation under all treatments exceeded the control level by 18–34%.
- Taxon
- wheatTriticum aestivume0
- Treatment
- all treatmentse3
- Outcome
- An at ripening stagee3
- Direction
- exceedede3
- Value
- 18–34%e3
- Comparator
- the control levele3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“For all treatments, An at ripening stage exceeded the control level by 18–34%”
e0“CO2 net assimilation (An) and yield of winter wheat”
Claim · model-written summary
Under all treatments, whole-plant grain productivity exceeded the control level by 17–27%.
- Taxon
- wheatTriticum aestivume0
- Treatment
- all treatmentse3
- Outcome
- plant grain productivitye4
- Direction
- exceedede4
- Value
- 17–27%e4
- Comparator
- the control levele4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“For all treatments, An at ripening stage exceeded the control level by 18–34%”
e4“exceeded the control level by 18–34%, and the plant grain productivity – by 17–27%”
e0“CO2 net assimilation (An) and yield of winter wheat”
Claim · model-written summary
The net assimilation at the ripening stage correlated significantly with whole-plant grain weight (r = 0.86–0.90).
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- ripening stagee5
- Outcome
- grain weighte5
- Value
- r = 0.86–0.90e5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Significant correlations (r = 0.86–0.90) were found between the An at the ripening stage and the grain weight from the whole plant”
e0“CO2 net assimilation (An) and yield of winter wheat”
Claim · model-written summary
The optimal combination was CRD seed inoculation plus TES seed treatment, which gave the highest main shoot and whole-plant grain productivity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- CRD seeds inoculation + TES seeds treatmente6
- Outcome
- main shoot and the whole plant grain productivitye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“It was concluded that the optimal combination was CRD seeds inoculation + TES seeds treatment, where the highest main shoot and the whole plant grain productivity were observed”
e0“CO2 net assimilation (An) and yield of winter wheat”
Claim · model-written summary
The seed treatment with trace element solution was more effective than the heading-stage treatment in increasing main shoot productivity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- seed treatment with the trace element solutione7
- Outcome
- main shoot productivitye7
- Direction
- more effective in increasinge7
- Comparator
- the treatment at the heading stagee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“The seed treatment with the trace element solution was more effective in increasing the main shoot productivity, while the treatment at the heading stage was more effective for the whole plant's productivity”
e0“CO2 net assimilation (An) and yield of winter wheat”
Claim · model-written summary
The treatment at the heading stage was more effective than seed treatment for whole-plant productivity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- the treatment at the heading stagee7
- Outcome
- whole plant's productivitye7
- Direction
- more effectivee7
- Comparator
- seed treatment with the trace element solutione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“The seed treatment with the trace element solution was more effective in increasing the main shoot productivity, while the treatment at the heading stage was more effective for the whole plant's productivity”
e0“CO2 net assimilation (An) and yield of winter wheat”
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