Abstract
Data from two experiments was analysed in order to determine the effects of Septoria nodorum Berk. on the yield of spring wheat. In the first experiment the cultivar Hankkija’s Taava was artificially inoculated with low spore concentration suspensions of S. nodorum. The resulting disease reduced grain yield by 10%, 1000-grain weight by 14%, and hectorlitre weight by 5.7 %. An examination of the ears from the main stems revealed that the pathogen induced a reduction in all yield components but especially in grain number/ear and grain weight. In the second experiment a total of 28 cultivars or lines were studied and the correlation between grain yield/ear and disease severity was found to be negative but low. No consistent trend among the correlations was seen and some susceptible cultivars suffered only slightly from the disease while other fairly resistant cultivars showed great losses. The results are discussed in relation to compensatory mechanisms and potential disease tolerance in wheat.
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Claims 8
Claim · model-written summary
Septoria nodorum inoculation reduced grain yield by 10% in cultivar Hankkija’s Taava.
- Taxon
- spring wheat
Triticum aestivumt0 - Material
- Hankkija’s Taavae1
- Treatment
- artificially inoculated with low spore concentration suspensionse1
- Interactor
- S. nodorum
Parastagonospora nodorume1pathogen - Outcome
- grain yielde2
- Direction
- reducede2
- Value
- 10%e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e1“In the first experiment the cultivar Hankkija’s Taava was artificially inoculated with low spore concentration suspensions of S. nodorum”
e2“The resulting disease reduced grain yield by 10%, 1000-grain weight by 14%, and hectorlitre weight by 5.7 %”
Claim · model-written summary
Septoria nodorum inoculation reduced 1000-grain weight by 14% in cultivar Hankkija’s Taava.
- Taxon
- spring wheatTriticum aestivumt0
- Material
- Hankkija’s Taavae1
- Treatment
- artificially inoculated with low spore concentration suspensionse1
- Interactor
- S. nodorumParastagonospora nodorume1pathogen
- Outcome
- 1000-grain weighte2
- Direction
- reducede2
- Value
- 14%e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e1“In the first experiment the cultivar Hankkija’s Taava was artificially inoculated with low spore concentration suspensions of S. nodorum”
e2“The resulting disease reduced grain yield by 10%, 1000-grain weight by 14%, and hectorlitre weight by 5.7 %”
Claim · model-written summary
Septoria nodorum inoculation reduced hectolitre weight by 5.7% in cultivar Hankkija’s Taava.
- Taxon
- spring wheatTriticum aestivumt0
- Material
- Hankkija’s Taavae1
- Treatment
- artificially inoculated with low spore concentration suspensionse1
- Interactor
- S. nodorumParastagonospora nodorume1pathogen
- Outcome
- hectorlitre weighte2
- Direction
- reducede2
- Value
- 5.7 %e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e1“In the first experiment the cultivar Hankkija’s Taava was artificially inoculated with low spore concentration suspensions of S. nodorum”
e2“The resulting disease reduced grain yield by 10%, 1000-grain weight by 14%, and hectorlitre weight by 5.7 %”
Claim · model-written summary
The pathogen reduced all yield components of spring wheat, especially grain number per ear and grain weight.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- artificially inoculated with low spore concentration suspensionse1
- Interactor
- S. nodorumParastagonospora nodorume1pathogen
- Outcome
- yield componentse3
- Direction
- reductione3
- Qualifier
- especially in grain number/ear and grain weighte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e1“In the first experiment the cultivar Hankkija’s Taava was artificially inoculated with low spore concentration suspensions of S. nodorum”
e3“the pathogen induced a reduction in all yield components but especially in grain number/ear and grain weight”
Claim · model-written summary
Grain yield per ear and disease severity were negatively but weakly correlated across 28 cultivars or lines.
- Taxon
- spring wheatTriticum aestivumt0
- Material
- 28 cultivars or linese4
- Outcome
- grain yield/ear and disease severitye4
- Direction
- negativee4
- Qualifier
- but lowe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e4“In the second experiment a total of 28 cultivars or lines were studied and the correlation between grain yield/ear and disease severity was found to be negative but low”
Claim · model-written summary
No consistent trend was seen among the yield and disease severity correlations.
- Taxon
- spring wheatTriticum aestivumt0
- Outcome
- consistent trend among the correlationse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e5“No consistent trend among the correlations was seen and some susceptible cultivars suffered only slightly from the disease while other fairly resistant cultivars showed great losses”
Claim · model-written summary
Some susceptible cultivars suffered only slight losses from the disease.
- Taxon
- spring wheatTriticum aestivumt0
- Material
- susceptible cultivarse5
- Outcome
- lossese5
- Qualifier
- suffered only slightly from the diseasee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e5“No consistent trend among the correlations was seen and some susceptible cultivars suffered only slightly from the disease while other fairly resistant cultivars showed great losses”
Claim · model-written summary
Other fairly resistant cultivars showed great disease losses.
- Taxon
- spring wheatTriticum aestivumt0
- Material
- fairly resistant cultivarse5
- Outcome
- lossese5
- Qualifier
- greate5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Septoria nodorum Berk. on yield and yield components of spring wheat”
e5“No consistent trend among the correlations was seen and some susceptible cultivars suffered only slightly from the disease while other fairly resistant cultivars showed great losses”
The same questions in other papers
inoculation · Parastagonospora nodorum · Triticum aestivum (wheat)Positive and negative results
5 papers in the same direction as this paper · 5 in the opposite direction
- positive
- negative
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7 papers more in this group
See all 11 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.