Abstract
This work was aimed at evaluating the activity of native phosphate solubilizing bacteria on growth and development of radish (Raphanus sativus L.) plants. Bacteria were isolated from the Departament of Sucre (Colombia) soil using selective media (NBRIP), further identified by macroscopic and microscopic observation and biochemically characterized using the API System. Their ability to solublize phosphate was then evaluated using the vanadomolybdate acid phosphate colorimetric method. The microorganisms of the highest phosphate solubilizing capacity (Enterobacter sp. and Klebsiella sp.) were multiplied up to concentrations of 106, 107 and 108 c.f.u./mL and then evaluated on radish seeds. Eight treatments were used including witness control and commercial control. Biometric variables, root length, leaf area and dry weight, for treatments T5 (biopreparation with Klebsiella sp., 107 c.f.u./mL) and T1 (biopreparation with Enterobacter sp.,106 u.f.c./mL) were statistically higher than the control treatment. In addition, no significant differences regarding dry weight were found with respect to T7 (chemical fertilizer). The growth and development of radish plants were improved in treatments inoculated with bacteria when compared to controls, confirming the positive effect of phosphate solubilizing activity of the native strains.
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Claims 4
Claim · model-written summary
Enterobacter sp. and Klebsiella sp. had the highest phosphate-solubilizing capacity.
- Taxon
- radish (Raphanus sativus L.)
Raphanus sativust0 - Interactor
- Enterobacter sp.
Enterobactere0symbiont - Outcome
- phosphate solubilizing capacitye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“microorganisms of the highest phosphate solubilizing capacity (Enterobacter sp. and Klebsiella sp.)”
t0“radish (Raphanus sativus L.)”
Claim · model-written summary
Klebsiella sp. treatment T5 produced statistically higher radish root length, leaf area and dry weight than the control.
- Taxon
- radish (Raphanus sativus L.)Raphanus sativust0
- Treatment
- T5 (biopreparation with Klebsiella sp., 107 c.f.u./mL)e0
- Interactor
- Klebsiella sp.Klebsiellae0symbiont
- Outcome
- root length, leaf area and dry weighte0
- Direction
- highere0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root length, leaf area and dry weight, for treatments T5 (biopreparation with Klebsiella sp., 107 c.f.u./mL) and T1 (biopreparation with Enterobacter sp.,106 u.f.c./mL) were statistically higher than the control treatment”
t0“radish (Raphanus sativus L.)”
Claim · model-written summary
Enterobacter sp. treatment T1 produced statistically higher radish root length, leaf area and dry weight than the control.
- Taxon
- radish (Raphanus sativus L.)Raphanus sativust0
- Treatment
- T1 (biopreparation with Enterobacter sp.,106 u.f.c./mL)e0
- Interactor
- Enterobacter sp.Enterobactere0symbiont
- Outcome
- root length, leaf area and dry weighte0
- Direction
- highere0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root length, leaf area and dry weight, for treatments T5 (biopreparation with Klebsiella sp., 107 c.f.u./mL) and T1 (biopreparation with Enterobacter sp.,106 u.f.c./mL) were statistically higher than the control treatment”
t0“radish (Raphanus sativus L.)”
Claim · model-written summary
Inoculated radish treatments did not differ significantly from chemical fertilizer T7 in dry weight.
- Taxon
- radish (Raphanus sativus L.)Raphanus sativust0
- Outcome
- dry weighte0
- Direction
- no significant differencese0
- Comparator
- T7 (chemical fertilizer)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences regarding dry weight were found with respect to T7 (chemical fertilizer)”
t0“radish (Raphanus sativus L.)”
The same questions in other papers
Klebsiella · growth · Raphanus sativus (radish)Results agree
1 paper in the same direction as this paper
- positive
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.