Abstract
According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya with the commercial strain Bacillus subtilis 26D and the promising strain B. subtilis 10–4, it was found that inoculation with B. subtilis 10–4 improved seed productivity (SP) by 31–41% per plant, but only in dry years. In contrast, all 4 years of inoculation with B. subtilis 26D were ineffective or neutral. It was intended to determine the growing and biochemical characteristics of inoculated 7-day-old plants, which correlate with the field SP of bacterial preparations. The SP of inoculated plants (average of 4 years) correlated with root length (0.83), MDA content (−0.98), and catalase (CAT) activity in roots (−0.96) of week-old seedlings. High correlation coefficients between the H2O2 content in the roots and SP (0.89 and 0.77), as well as between the H2O2 content in shoots and SP (0.98 and 0.56), were observed only in two dry years, when the influence of bacteria was detected. These physiological indicators were identified as potential markers for predicting the effectiveness of the endophytic symbiosis between bean plants and B. subtilis strains. The findings may be used to develop effective microbial-based, eco-friendly technologies for bean production.
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Claims 9
Claim · model-written summary
Inoculation with B. subtilis 10–4 improved bean seed productivity by 31–41% per plant, only in dry years.
- Taxon
- Phaseolus vulgaris
Phaseolus vulgarise0 - Material
- Ufimskayae0
- Treatment
- inoculation with B. subtilis 10–4e1
- Interactor
- B. subtilis 10–4
Bacillus subtilise1symbiont - Outcome
- seed productivitye1
- Direction
- improvede1
- Value
- 31–41%e1
- Qualifier
- only in dry yearse1
- Setting
- four field experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e1“inoculation with B. subtilis 10–4 improved seed productivity (SP) by 31–41% per plant, but only in dry years”
Claim · model-written summary
Inoculation with B. subtilis 26D was ineffective or neutral for bean seed productivity in all four years.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Treatment
- inoculation with B. subtilis 26De2
- Interactor
- B. subtilis 26DBacillus subtilise2symbiont
- Outcome
- seed productivitye1
- Direction
- ineffective or neutrale2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e1“inoculation with B. subtilis 10–4 improved seed productivity (SP) by 31–41% per plant, but only in dry years”
e2“In contrast, all 4 years of inoculation with B. subtilis 26D were ineffective or neutral”
Claim · model-written summary
Root length of week-old seedlings correlated positively with seed productivity of inoculated plants (0.83).
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Organ / stage
- week-old seedlingse3
- Outcome
- root lengthe3
- Direction
- increaseinferrede3
- Value
- 0.83e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e3“The SP of inoculated plants (average of 4 years) correlated with root length (0.83), MDA content (−0.98), and catalase (CAT) activity in roots (−0.96) of week-old seedlings”
Claim · model-written summary
MDA content of week-old seedlings correlated negatively with seed productivity of inoculated plants (−0.98).
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Organ / stage
- week-old seedlingse3
- Compound
- MDAe3
- Outcome
- MDA contente3
- Direction
- decreaseinferrede3
- Value
- −0.98e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e3“The SP of inoculated plants (average of 4 years) correlated with root length (0.83), MDA content (−0.98), and catalase (CAT) activity in roots (−0.96) of week-old seedlings”
Claim · model-written summary
Catalase activity in roots of week-old seedlings correlated negatively with seed productivity of inoculated plants (−0.96).
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Organ / stage
- rootse3
- Gene
- catalase (CAT)e3
- Outcome
- catalase (CAT) activity in rootse3
- Direction
- decreaseinferrede3
- Value
- −0.96e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e3“The SP of inoculated plants (average of 4 years) correlated with root length (0.83), MDA content (−0.98), and catalase (CAT) activity in roots (−0.96) of week-old seedlings”
Claim · model-written summary
In two dry years, H2O2 content in roots correlated highly with seed productivity (0.89 and 0.77).
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Organ / stage
- rootse4
- Compound
- H2O2e4
- Outcome
- H2O2 content in the rootse4
- Value
- 0.89 and 0.77e4
- Qualifier
- were observed only in two dry yearse5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e4“High correlation coefficients between the H2O2 content in the roots and SP (0.89 and 0.77), as well as between the H2O2 content in shoots and SP (0.98 and 0.56)”
e5“were observed only in two dry years”
Claim · model-written summary
In two dry years, H2O2 content in shoots correlated highly with seed productivity (0.98 and 0.56).
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Organ / stage
- shootse4
- Compound
- H2O2e4
- Outcome
- H2O2 content in shootse4
- Value
- 0.98 and 0.56e4
- Qualifier
- were observed only in two dry yearse5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e4“High correlation coefficients between the H2O2 content in the roots and SP (0.89 and 0.77), as well as between the H2O2 content in shoots and SP (0.98 and 0.56)”
e5“were observed only in two dry years”
Claim · model-written summary
Physiological indicators of seedlings were identified as potential markers for predicting the effectiveness of the endophytic symbiosis with B. subtilis.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarise0
- Interactor
- B. subtilis strainsBacillus subtilise6symbiont
- Outcome
- potential markers for predicting the effectivenesse6
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to four field experiments, after the inoculation of Phaseolus vulgaris L. cultivar Ufimskaya”
e6“potential markers for predicting the effectiveness of the endophytic symbiosis between bean plants and B. subtilis strains”
Claim · model-written summary
The findings may be used to develop effective microbial-based, eco-friendly technologies for bean production.
Verbatim
e7“develop effective microbial-based, eco-friendly technologies for bean production”
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