Abstract
Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat. The first experiment was conducted under controlled environmental conditions. Mn sulfate was mixed through the soil at sowing or 2 weeks before, or applied to the seed or leaves, and manganese dioxide (MnO2) was mixed through the soil at sowing or 2 weeks before. Mixing manganese sulfate (MnSO4) through the soil was the most effective treatment at decreasing take-all, followed by seed applied Mn. MnO2 and foliar applied Mn had little effect on take-all. All Mn treatments, except foliar Mn, completely eliminated Mn deficiency in the plants. In the second experiment, which was conducted in the field at a Mn deficient site, Mn sulfate and MnO2 were applied to the soil at sowing. MnSO4 decreased take-all and increased grain yields in take-all inoculated plots nearly threefold, but increased yields only slightly in uninoculated plots. MnO2 was not effective in decreasing take-all or increasing grain yield. This is the first report of take-all infection being suppressed by MnSO4in the field. The results of these experiments support the hypothesis that Mn may be acting through the physiology of the wheat plant to decrease take-all.
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Claims 9
Claim · model-written summary
In the controlled-environment experiment, mixing MnSO4 through the soil was the most effective Mn treatment at decreasing take-all of wheat, followed by seed-applied Mn.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Mixing manganese sulfate (MnSO4) through the soile1
- Interactor
- take-alle1pathogen
- Outcome
- take-alle1
- Direction
- decreasinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“Mixing manganese sulfate (MnSO4) through the soil was the most effective treatment at decreasing take-all, followed by seed applied Mn”
Claim · model-written summary
MnO2 had little effect on take-all of wheat in the controlled-environment experiment.
- Taxon
- wheatTriticum aestivume0
- Treatment
- MnO2e1
- Interactor
- take-alle1pathogen
- Outcome
- take-alle1
- Direction
- little effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnO2 and foliar applied Mn had little effect on take-all”
Claim · model-written summary
Foliar-applied Mn had little effect on take-all of wheat in the controlled-environment experiment.
- Taxon
- wheatTriticum aestivume0
- Treatment
- foliar applied Mne1
- Interactor
- take-alle1pathogen
- Outcome
- take-alle1
- Direction
- little effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnO2 and foliar applied Mn had little effect on take-all”
Claim · model-written summary
All Mn treatments except foliar Mn completely eliminated Mn deficiency in the wheat plants.
- Taxon
- plantsViridiplantaee1
- Treatment
- All Mn treatments, except foliar Mne1
- Outcome
- Mn deficiencye1
- Direction
- eliminatede1
Not reportedComparator
Verbatim
e1“All Mn treatments, except foliar Mn, completely eliminated Mn deficiency in the plants”
Claim · model-written summary
In the field at a Mn-deficient site, MnSO4 applied to the soil decreased take-all.
- Taxon
- wheatTriticum aestivume0
- Treatment
- MnSO4e1
- Interactor
- take-alle1pathogen
- Outcome
- take-alle1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnSO4 decreased take-all and increased grain yields in take-all inoculated plots nearly threefold, but increased yields only slightly in uninoculated plots”
Claim · model-written summary
In take-all inoculated field plots, MnSO4 increased grain yield nearly threefold.
- Taxon
- wheatTriticum aestivume0
- Treatment
- MnSO4e1
- Outcome
- grain yieldse1
- Direction
- increasede1
- Value
- nearly threefolde1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnSO4 decreased take-all and increased grain yields in take-all inoculated plots nearly threefold, but increased yields only slightly in uninoculated plots”
Claim · model-written summary
In uninoculated field plots, MnSO4 increased yields only slightly.
- Taxon
- wheatTriticum aestivume0
- Treatment
- MnSO4e1
- Outcome
- yieldse1
- Direction
- increasede1
- Value
- only slightlye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnSO4 decreased take-all and increased grain yields in take-all inoculated plots nearly threefold, but increased yields only slightly in uninoculated plots”
Claim · model-written summary
MnO2 was not effective in decreasing take-all or increasing grain yield in the field.
- Taxon
- wheatTriticum aestivume0
- Treatment
- MnO2e1
- Interactor
- take-alle1pathogen
- Outcome
- decreasing take-all or increasing grain yielde1
- Direction
- not effectivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two experiments tested the effectiveness of manganese (Mn) decreasing take-all of wheat”
e1“MnO2 was not effective in decreasing take-all or increasing grain yield”
Claim · model-written summary
The authors hypothesise that Mn may act through the physiology of the wheat plant to decrease take-all.
- Taxon
- wheatTriticum aestivume1
- Compound
- Mne1
- Outcome
- take-alle1
- Qualifier
- acting through the physiology of the wheat plante1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Mn may be acting through the physiology of the wheat plant to decrease take-all”
The same questions in other papers
manganese(II) sulfate · yield · Triticum aestivum (wheat)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- positive
4 papers more in this group
See all 8 papers →manganese atom · nutrient: content · Viridiplantae (plants)Results agree
1 paper in the same direction as this paper
- positive
application · nutrient: content · Viridiplantae (plants)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- 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.