Abstract
This paper presents the results of investigations carried out on some aspects of root-associated nitrogen fixation in finger millet(Eleucine coracana Gaertn). Soil-root nitrogenase assay of 53 finger millet cultivars belonging to four maturity groups indicated (1) low levels of nitrogenase activity,(2) high plant-to-plant variability,(3) high variability between cultivars,(4) higher activity in hybrids over pure lines,(5) higher activity in medium-maturity group over early-or late-maturity groups, and (6) no apparent relationship between nitrogenase activity and dry- matter production. Nitrogenase activity of finger millet soil-root system was further affected by plant age, soil moisture, and diurnal changes. All cultivars had highest diazotroph counts during the reproductive stage in root-adhering soil, root wash, and unsterilized root macerate. The root-associated nitrogen fixers were species of Pseudomonas and Enterobacter. Inoculation of finger millet cultivar Indaf 7, with NBRE and SRI diazotroph cultures, increased above-ground yields and N uptake over the control in the greenhouse, but not in the field. Nitrogen-balance study with inoculation and three levels of applied nitrogen showed a net gain equivalent to 63-9.4 kg N ha-1 from inoculation
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 13
Claim · model-written summary
Finger millet soil-root nitrogenase activity was low.
- Taxon
- finger millet
Eleusine coracanae1 - Outcome
- nitrogenase activitye0
- Qualifier
- low levelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“low levels of nitrogenase activity”
e1“finger millet cultivars”
Claim · model-written summary
Nitrogenase activity varied highly among plants and cultivars.
- Taxon
- finger milletEleusine coracanae1
- Outcome
- plant-to-plant variabilitye0
- Qualifier
- variability between cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high plant-to-plant variability,(3) high variability between cultivars”
e1“finger millet cultivars”
Claim · model-written summary
Hybrids had higher nitrogenase activity than pure lines.
- Taxon
- finger milletEleusine coracanae1
- Material
- hybridse0
- Outcome
- activitye0
- Direction
- highere0
- Comparator
- pure linese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher activity in hybrids over pure lines”
e1“finger millet cultivars”
Claim · model-written summary
The medium-maturity group had higher nitrogenase activity than early- or late-maturity groups.
- Taxon
- finger milletEleusine coracanae1
- Material
- medium-maturity groupe0
- Outcome
- activitye0
- Direction
- highere0
- Comparator
- early-or late-maturity groupse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher activity in medium-maturity group over early-or late-maturity groups”
e1“finger millet cultivars”
Claim · model-written summary
Nitrogenase activity had no apparent relationship with dry-matter production.
- Taxon
- finger milletEleusine coracanae1
- Outcome
- nitrogenase activitye0
- Direction
- no apparent relationshipe0
- Comparator
- dry- matter productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no apparent relationship between nitrogenase activity and dry- matter production”
e1“finger millet cultivars”
Claim · model-written summary
Plant age, soil moisture and diurnal changes affected soil-root nitrogenase activity.
- Taxon
- finger milletEleusine coracanae0
- Organ / stage
- plant agee0
- Outcome
- Nitrogenase activitye0
- Qualifier
- soil moisture, and diurnal changese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogenase activity of finger millet soil-root system was further affected by plant age, soil moisture, and diurnal changes”
Claim · model-written summary
All cultivars had their highest diazotroph counts during the reproductive stage in root-associated samples.
- Taxon
- finger milletEleusine coracanae1
- Organ / stage
- reproductive stagee0
- Interactor
- diazotrophe0symbiont
- Outcome
- diazotroph countse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All cultivars had highest diazotroph counts during the reproductive stage in root-adhering soil, root wash, and unsterilized root macerate”
e1“finger millet cultivars”
Claim · model-written summary
The root-associated nitrogen fixers included Pseudomonas.
- Taxon
- finger milletEleusine coracanae1
- Interactor
- Pseudomonas
Pseudomonase0symbiont - Outcome
- root-associated nitrogen fixerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The root-associated nitrogen fixers were species of Pseudomonas and Enterobacter”
e1“finger millet cultivars”
Claim · model-written summary
The root-associated nitrogen fixers included Enterobacter.
- Taxon
- finger milletEleusine coracanae1
- Interactor
- Enterobacter
Enterobactere0symbiont - Outcome
- root-associated nitrogen fixerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The root-associated nitrogen fixers were species of Pseudomonas and Enterobacter”
e1“finger millet cultivars”
Claim · model-written summary
Inoculation with NBRE cultures increased above-ground yields and nitrogen uptake over controls in the greenhouse.
- Taxon
- finger milletEleusine coracanae0
- Material
- Indaf 7e0
- Treatment
- NBREe0
- Interactor
- NBREe0symbiont
- Outcome
- above-ground yields and N uptakee0
- Direction
- increasede0
- Comparator
- the controle0
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of finger millet cultivar Indaf 7, with NBRE and SRI diazotroph cultures, increased above-ground yields and N uptake over the control in the greenhouse, but not in the field”
Claim · model-written summary
Inoculation with SRI cultures increased above-ground yields and nitrogen uptake over controls in the greenhouse.
- Taxon
- finger milletEleusine coracanae0
- Material
- Indaf 7e0
- Treatment
- SRI diazotroph culturese0
- Interactor
- SRI diazotroph culturese0symbiont
- Outcome
- above-ground yields and N uptakee0
- Direction
- increasede0
- Comparator
- the controle0
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of finger millet cultivar Indaf 7, with NBRE and SRI diazotroph cultures, increased above-ground yields and N uptake over the control in the greenhouse, but not in the field”
Claim · model-written summary
Inoculation did not increase yield or nitrogen uptake in the field.
- Taxon
- finger milletEleusine coracanae0
- Treatment
- Inoculatione0
- Outcome
- above-ground yields and N uptakee0
- Comparator
- the controle0
- Setting
- fielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of finger millet cultivar Indaf 7, with NBRE and SRI diazotroph cultures, increased above-ground yields and N uptake over the control in the greenhouse, but not in the field”
Claim · model-written summary
Inoculation produced a net nitrogen gain equivalent to 63-9.4 kg N ha-1.
- Taxon
- finger milletEleusine coracanae1
- Treatment
- inoculatione0
- Outcome
- net gaine0
- Direction
- gaine0
- Value
- 63-9.4 kg N ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen-balance study with inoculation and three levels of applied nitrogen showed a net gain equivalent to 63-9.4 kg N ha-1 from inoculation”
e1“finger millet cultivars”
The same questions in other papers
inoculation · yield · Eleusine coracana (finger millet)Positive and negative results
2 papers in the same direction as this paper · 13 in the opposite direction
- positive
- positive
- positive
12 papers more in this group
See all 16 papers →irrigation · yield · Eleusine coracana (finger millet)Positive and negative results
13 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
12 papers more in this group
See all 16 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.