Abstract
Abstract Root growth was monitored in hydroponic systems under greenhouse conditions. Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls. This resulted from a higher rate of growth, earlier root appearance and a greater elongation rate of individual sorghum roots. Inoculation also led to a 25–40% increase in hydraulic conductivity of the inoculated root system as compared to controls. In plants subjected to an osmotic stress by the addition of polyethylene glycol (PEG 6000) to the growth medium to produce an osmotic potential of ‐2.0 bar, inoculation significantly diminished most of the drastic adverse effects on root growth. It was concluded that beneficial effects of Azospirillum on the growth and yield of sorghum can be attributed largely to improved growth and function of the root system.
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Claims 7
Claim · model-written summary
Azospirillum brasilense inoculation increased adventitious root number and length of sorghum by 33-40% over non-inoculated controls.
- Taxon
- Sorghum bicolor
Sorghum bicolore1 - Organ / stage
- adventitious rootse1
- Treatment
- Inoculation with Azospirillum brasilensee1
- Interactor
- Azospirillum brasilense
Azospirillum brasilensee1symbiont - Outcome
- total number and length of adventitious rootse1
- Direction
- increasede1
- Value
- 33–40%e1
- Comparator
- non‐inoculated controlse1
- Setting
- greenhouse conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root growth was monitored in hydroponic systems under greenhouse conditions”
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
Claim · model-written summary
Azospirillum brasilense inoculation increased the rate of growth of sorghum roots over non-inoculated controls.
- Taxon
- Sorghum bicolorSorghum bicolore1
- Treatment
- Inoculation with Azospirillum brasilensee1
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee1symbiont
- Outcome
- rate of growthe2
- Direction
- highere2
- Comparator
- non‐inoculated controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
e2“This resulted from a higher rate of growth, earlier root appearance and a greater elongation rate of individual sorghum roots”
Claim · model-written summary
Azospirillum brasilense inoculation made sorghum root appearance earlier than in non-inoculated controls.
- Taxon
- Sorghum bicolorSorghum bicolore1
- Treatment
- Inoculation with Azospirillum brasilensee1
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee1symbiont
- Outcome
- root appearancee2
- Direction
- earliere2
- Comparator
- non‐inoculated controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
e2“This resulted from a higher rate of growth, earlier root appearance and a greater elongation rate of individual sorghum roots”
Claim · model-written summary
Azospirillum brasilense inoculation increased the elongation rate of individual sorghum roots over non-inoculated controls.
- Taxon
- Sorghum bicolorSorghum bicolore1
- Treatment
- Inoculation with Azospirillum brasilensee1
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee1symbiont
- Outcome
- elongation rate of individual sorghum rootse2
- Direction
- greatere2
- Comparator
- non‐inoculated controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
e2“This resulted from a higher rate of growth, earlier root appearance and a greater elongation rate of individual sorghum roots”
Claim · model-written summary
Azospirillum brasilense inoculation increased hydraulic conductivity of the sorghum root system by 25-40% over controls.
- Taxon
- Sorghum bicolorSorghum bicolore1
- Treatment
- Inoculatione3
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee1symbiont
- Outcome
- hydraulic conductivity of the inoculated root systeme3
- Direction
- increasee3
- Value
- 25–40%e3
- Comparator
- controlse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
e3“Inoculation also led to a 25–40% increase in hydraulic conductivity of the inoculated root system as compared to controls”
Claim · model-written summary
Inoculation significantly diminished most adverse effects of osmotic stress on sorghum root growth.
- Taxon
- Sorghum bicolorSorghum bicolore1
- Treatment
- inoculatione4
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee1symbiont
- Outcome
- adverse effects on root growthe4
- Direction
- diminishede4
- Qualifier
- osmotic stresse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation with Azospirillum brasilense increased the total number and length of adventitious roots of Sorghum bicolor by 33–40% over non‐inoculated controls”
e4“In plants subjected to an osmotic stress by the addition of polyethylene glycol (PEG 6000) to the growth medium to produce an osmotic potential of ‐2.0 bar, inoculation significantly diminished most of the drastic adverse effects on root growth”
Claim · model-written summary
Beneficial effects of Azospirillum on sorghum growth and yield are attributed largely to improved growth and function of the root system.
- Interactor
- Azospirillum
Azospirillume5symbiont - Outcome
- growth and yielde5
- Qualifier
- improved growth and function of the root systeme5
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“It was concluded that beneficial effects of Azospirillum on the growth and yield of sorghum can be attributed largely to improved growth and function of the root system”
The same questions in other papers
inoculation · Azospirillum brasilense · Sorghum bicolor (sorghum)Results agree
1 paper in the same direction as this paper
- positive
inoculation · growth · Sorghum bicolor (sorghum)Results agree
24 papers in the same direction as this paper
- positive
- positive
- positive
21 papers more in this group
See all 25 papers →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.