Abstract
Common bean (Phaseolus vulgaris L.) genotype Flamingo was inoculated with Rhizobium tropici CIAT899 and Glomus intraradices by mycorrhizal inoculant or by contact with mycorrhized Stylosanthes guianensis and grown under sufficient versus deficient phosphorus supply after transfer from initial sand culture, for comparing the effects of double inoculation (by contact or by inoculant) on growth, nodulation, mycorrhization of the roots, phosphorus use efficiency and total nitrogen. Although, the results showed that the double inoculation induced a significant increase in all parameters whatever the phosphorus supply and the cultivation systems in comparison to control and no significant difference between both arbuscular mycorrhizal fungi (AMF) treatments. Significant differences among colonization and nodulation of the roots and growth were found in both hydroaeroponic and sand culture. Nevertheless, the highest phosphorus use efficiency and plant total nitrogen were found under P deficiency in both AMF treatments. It is concluded that inoculation with rhizobial and arbuscular mycorrhizal fungi (by contact or by inoculant) could improve symbiotic nitrogen fixation even under phosphorus deficiency. Key words: Arbuscular mycorrhizal fungi, Glomus intraradices, nitrogen fixation,Phaseolus vulgaris, phosphorus, rhizobia, Stylosanthes guianensis, symbiosis.
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Claims 6
Claim · model-written summary
Double inoculation significantly increased growth, nodulation and root mycorrhization across phosphorus supplies and cultivation systems.
- Taxon
- Common bean
Phaseolus vulgarise0 - Material
- Flamingoe0
- Treatment
- double inoculatione1
- Interactor
- Rhizobium tropici CIAT899
Martinezella tropicie0symbiont - Second interactor
- Glomus intraradicesRhizophagus intraradicese0symbiont
- Outcome
- growth, nodulation, mycorrhization of the rootse2
- Direction
- increasee1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.) genotype Flamingo was inoculated with Rhizobium tropici CIAT899 and Glomus intraradices”
e1“the double inoculation induced a significant increase in all parameters whatever the phosphorus supply and the cultivation systems in comparison to control”
e2“growth, nodulation, mycorrhization of the roots”
Claim · model-written summary
Double inoculation significantly increased phosphorus use efficiency and total nitrogen across supplies and systems.
- Taxon
- Common beanPhaseolus vulgarise0
- Treatment
- double inoculatione1
- Outcome
- phosphorus use efficiency and total nitrogene1
- Direction
- increasee1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.)”
e1“phosphorus use efficiency and total nitrogen. Although, the results showed that the double inoculation induced a significant increase in all parameters whatever the phosphorus supply and the cultivation systems in comparison to control”
Claim · model-written summary
The two AMF inoculation routes did not differ significantly.
- Taxon
- Common beanPhaseolus vulgarise0
- Treatment
- arbuscular mycorrhizal fungi (AMF) treatmentse1
- Interactor
- arbuscular mycorrhizal fungie1symbiont
- Outcome
- differencee1
- Direction
- no significant differencee1
- Comparator
- both arbuscular mycorrhizal fungi (AMF) treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.)”
e1“no significant difference between both arbuscular mycorrhizal fungi (AMF) treatments”
Claim · model-written summary
Root colonization, nodulation and growth differed significantly between hydroaeroponic and sand cultures.
- Taxon
- Common beanPhaseolus vulgarise0
- Outcome
- colonization and nodulation of the roots and growthe1
- Setting
- hydroaeroponic and sand culturee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.)”
e1“Significant differences among colonization and nodulation of the roots and growth were found in both hydroaeroponic and sand culture”
Claim · model-written summary
Phosphorus use efficiency and plant total nitrogen were highest under phosphorus deficiency in both AMF treatments.
- Taxon
- Common beanPhaseolus vulgarise0
- Treatment
- P deficiencye1
- Interactor
- AMFe1symbiont
- Outcome
- phosphorus use efficiency and plant total nitrogene1
- Direction
- higheste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.)”
e1“the highest phosphorus use efficiency and plant total nitrogen were found under P deficiency in both AMF treatments”
Claim · model-written summary
The authors conclude rhizobial and AMF inoculation could improve symbiotic nitrogen fixation under phosphorus deficiency.
- Taxon
- Common beanPhaseolus vulgarise0
- Outcome
- inoculation with rhizobial and arbuscular mycorrhizal fungi (by contact or by inoculant) could improve symbiotic nitrogen fixation even under phosphorus deficiencye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean (Phaseolus vulgaris L.)”
e1“inoculation with rhizobial and arbuscular mycorrhizal fungi (by contact or by inoculant) could improve symbiotic nitrogen fixation even under phosphorus deficiency”
The same questions in other papers
inoculation · Martinezella tropici · Phaseolus vulgaris (common bean)Positive and negative results
11 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
9 papers more in this group
See all 13 papers →inoculation · nutrient: efficiency · Phaseolus vulgaris (common bean)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.