Abstract
The growth and yield of peas cultivated on eight different soils, as well as the diversity of pea microsymbionts derived from these soils were investigated in the present study. The experimental plot was composed of soils that were transferred from different parts of Poland more than a century ago. The soils were located in direct vicinity of each other in the experimental plot. All soils examined contained pea microsymbionts, which were suggested to belong to Rhizobium leguminosarum sv. viciae based on the nucleotide sequence of the partial 16S rRNA gene. PCR-RFLP analyses of the 16S-23S rRNA gene ITS region and nodD alleles revealed the presence of numerous and diversified groups of pea microsymbionts and some similarities between the tested populations, which may have been the result of the spread or displacement of strains. However, most populations retained their own genetic distinction, which may have been related to the type of soil. Most of the tested populations comprised low-effective strains for the promotion of pea growth. No relationships were found between the characteristics of soil and symbiotic effectiveness of rhizobial populations; however, better seed yield was obtained for soil with medium biological productivity inhabited by high-effective rhizobial populations than for soil with high agricultural quality containing medium-quality pea microsymbionts, and these results showed the importance of symbiosis for plant hosts.
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Claims 6
Claim · model-written summary
All soils contained pea microsymbionts suggested to belong to Rhizobium leguminosarum sv. viciae.
- Taxon
- peas
Lathyrus oleraceuse0 - Interactor
- pea microsymbiontse1symbiont
- Outcome
- contained pea microsymbiontse1
- Qualifier
- based on the nucleotide sequence of the partial 16S rRNA genee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e1“All soils examined contained pea microsymbionts, which were suggested to belong to Rhizobium leguminosarum sv. viciae”
e2“based on the nucleotide sequence of the partial 16S rRNA gene”
Claim · model-written summary
PCR-RFLP analyses revealed numerous and diversified groups of pea microsymbionts.
- Taxon
- peasLathyrus oleraceuse0
- Interactor
- pea microsymbiontse3symbiont
- Outcome
- numerous and diversified groupse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e3“revealed the presence of numerous and diversified groups of pea microsymbionts”
Claim · model-written summary
Most pea microsymbiont populations retained their own genetic distinction, possibly related to soil type.
- Taxon
- peasLathyrus oleraceuse0
- Outcome
- retained their own genetic distinctione4
- Setting
- type of soile4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e4“most populations retained their own genetic distinction, which may have been related to the type of soil”
Claim · model-written summary
Most of the tested pea microsymbiont populations were low-effective for promoting pea growth.
- Taxon
- peasLathyrus oleraceuse0
- Interactor
- strainse5symbiont
- Outcome
- promotion of pea growthe5
- Qualifier
- low-effectivee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e5“Most of the tested populations comprised low-effective strains for the promotion of pea growth”
Claim · model-written summary
No relationship was found between soil characteristics and symbiotic effectiveness of rhizobial populations.
- Taxon
- peasLathyrus oleraceuse0
- Interactor
- rhizobial populationse6symbiont
- Outcome
- symbiotic effectiveness of rhizobial populationse6
- Setting
- characteristics of soile6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e6“No relationships were found between the characteristics of soil and symbiotic effectiveness of rhizobial populations”
Claim · model-written summary
Seed yield was better on medium-productivity soil inhabited by high-effective rhizobial populations than on high-quality soil.
- Taxon
- peasLathyrus oleraceuse0
- Treatment
- soil with medium biological productivity inhabited by high-effective rhizobial populationse7
- Interactor
- rhizobial populationse7symbiont
- Outcome
- seed yielde7
- Direction
- bettere7
- Comparator
- soil with high agricultural qualitye7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth and yield of peas cultivated on eight different soils”
e7“better seed yield was obtained for soil with medium biological productivity inhabited by high-effective rhizobial populations than for soil with high agricultural quality containing medium-quality pea microsymbionts”
The same questions in other papers
in vitro · yield · Lathyrus oleraceus (pea)Positive and negative results
1 in the opposite direction
- negative
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.