Abstract
SUMMARY Underground stems and roots of the potato varieties King Edward and Majestic became more severely infected by Oospora pustulans (skin spot) as the growing season advanced. Tubers became infected at their initiation in June and July but the proportion of infected eyes usually increased during both the growth of the crop and bulk storage. Some buds on tubers in bulk stores died in December, but few were killed until after January, when attacks increased until by March about a quarter of Majestic eyes were usually dead. Boxing (chitting) not only prevented most eyes from dying but also prevented much skin spotting on tubers. At High Mowthorpe, Majestic seed unboxed or boxed in March yielded, respectively, 3 and 1 ton/acre less than seed boxed by January. Early boxing increased the yield of seed–sized tubers but did not affect the infection of progeny tubers. Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after lifting decreased their infection by O. pustulans; it also lessened infection on plants they produced and increased the yield of progeny seed–sized tubers. However, dipping, even in successive years, had little effect on the infection of progeny tubers by O. pustulans. Rhizoctonia solani and Helminihosporum atrovirens became increasingly prevalent on tubers during growth after July and during bulk storage. H. atrovirens was decreased by early boxing or dipping tubers in fungicide. Verticillate conidiophores often grew on incubated tuber plugs but their prevalence was affected by past storage. The results suggest that some of the benefit for chitting may be from disease control, it was not possible to measure the extent to which benefits from chitting depend on effects on disease or on the physiology of the tuber.
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Claims 20
Claim · model-written summary
Underground stems and roots of potato became more severely infected by Oospora pustulans as the growing season advanced.
- Taxon
- potato
Solanum tuberosumt0 - Material
- King Edward and Majestice2
- Organ / stage
- Underground stems and rootse2
- Treatment
- as the growing season advancede1
- Interactor
- Oospora pustulansPolyscytalum pustulanse1pathogen
- Outcome
- infectede1
- Direction
- more severelye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“became more severely infected by Oospora pustulans (skin spot) as the growing season advanced”
e2“Underground stems and roots of the potato varieties King Edward and Majestic”
Claim · model-written summary
Tubers became infected at their initiation in June and July.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- Tuberse3
- Outcome
- became infectede3
- Setting
- June and Julye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e3“Tubers became infected at their initiation in June and July”
Claim · model-written summary
The proportion of infected eyes usually increased during the growth of the crop and bulk storage.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- eyese4
- Treatment
- during both the growth of the crop and bulk storagee4
- Outcome
- proportion of infected eyese4
- Direction
- increasede4
- Qualifier
- usuallye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e4“the proportion of infected eyes usually increased during both the growth of the crop and bulk storage”
Claim · model-written summary
Some buds on tubers in bulk stores died in December, and few were killed until after January.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- budse5
- Outcome
- diede5
- Qualifier
- few were killed until after Januarye5
- Setting
- bulk storese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e5“Some buds on tubers in bulk stores died in December, but few were killed until after January”
Claim · model-written summary
By March about a quarter of Majestic potato eyes were usually dead.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Majestice6
- Organ / stage
- eyese6
- Outcome
- deade6
- Value
- about a quartere6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e6“by March about a quarter of Majestic eyes were usually dead”
Claim · model-written summary
Boxing (chitting) prevented most eyes from dying and also prevented much skin spotting on tubers.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Boxing (chitting)e7
- Outcome
- eyes from dyinge7
- Direction
- preventede7
- Qualifier
- also prevented much skin spotting on tuberse7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e7“Boxing (chitting) not only prevented most eyes from dying but also prevented much skin spotting on tubers”
Claim · model-written summary
Majestic seed unboxed at High Mowthorpe yielded 3 ton/acre less than seed boxed by January.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Majestic seede1
- Treatment
- unboxede1
- Outcome
- yieldede1
- Direction
- lesse1
- Value
- 3e1
- Qualifier
- ton/acree1
- Comparator
- seed boxed by Januarye1
- Setting
- High Mowthorpee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“At High Mowthorpe, Majestic seed unboxed or boxed in March yielded, respectively, 3 and 1 ton/acre less than seed boxed by January”
Claim · model-written summary
Majestic seed boxed in March yielded 1 ton/acre less than seed boxed by January at High Mowthorpe.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Majestic seede1
- Treatment
- boxed in Marche1
- Outcome
- yieldede1
- Direction
- lesse1
- Value
- 1 ton/acree1
- Comparator
- seed boxed by Januarye1
- Setting
- High Mowthorpee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“At High Mowthorpe, Majestic seed unboxed or boxed in March yielded, respectively, 3 and 1 ton/acre less than seed boxed by January”
Claim · model-written summary
Early boxing increased the yield of seed-sized tubers.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Early boxinge1
- Outcome
- yield of seed–sized tuberse1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Early boxing increased the yield of seed–sized tubers but did not affect the infection of progeny tubers”
Claim · model-written summary
Early boxing did not affect the infection of progeny tubers.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Early boxinge1
- Outcome
- infection of progeny tuberse1
- Direction
- did not affecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Early boxing increased the yield of seed–sized tubers but did not affect the infection of progeny tubers”
Claim · model-written summary
Dipping Majestic seed tubers in fungicide and then boxing decreased their infection by O. pustulans.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after liftinge1
- Interactor
- O. pustulansPolyscytalum pustulanse1pathogen
- Outcome
- infectione1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after lifting decreased their infection by O. pustulans”
Claim · model-written summary
Dipping Majestic seed tubers in fungicide and then boxing lessened infection on the plants they produced.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after liftinge1
- Interactor
- O. pustulansPolyscytalum pustulanse1pathogen
- Outcome
- infection on plants they producede2
- Direction
- lessenede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after lifting decreased their infection by O. pustulans”
e2“it also lessened infection on plants they produced”
Claim · model-written summary
Dipping Majestic seed tubers in fungicide and then boxing increased the yield of progeny seed-sized tubers.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after liftinge1
- Outcome
- yield of progeny seed–sized tuberse2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Dipping Majestic seed tubers in organo–mercurial fungicide and then boxing soon after lifting decreased their infection by O. pustulans”
e2“increased the yield of progeny seed–sized tubers”
Claim · model-written summary
Dipping in successive years had little effect on the infection of progeny tubers by O. pustulans.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- dipping, even in successive yearse1
- Interactor
- O. pustulansPolyscytalum pustulanse1pathogen
- Outcome
- infection of progeny tuberse1
- Direction
- had little effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“However, dipping, even in successive years, had little effect on the infection of progeny tubers by O. pustulans”
Claim · model-written summary
Rhizoctonia solani became increasingly prevalent on potato tubers during growth after July and during bulk storage.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- tuberse1
- Interactor
- Rhizoctonia solani
Rhizoctonia solanie1pathogen - Outcome
- prevalent on tuberse1
- Direction
- increasinglye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Rhizoctonia solani and Helminihosporum atrovirens became increasingly prevalent on tubers during growth after July and during bulk storage”
Claim · model-written summary
Helminihosporum atrovirens became increasingly prevalent on potato tubers during growth after July and during bulk storage.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- tuberse1
- Interactor
- Helminihosporum atrovirense1pathogen
- Outcome
- prevalent on tuberse1
- Direction
- increasinglye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Rhizoctonia solani and Helminihosporum atrovirens became increasingly prevalent on tubers during growth after July and during bulk storage”
Claim · model-written summary
Early boxing or dipping tubers in fungicide decreased H. atrovirens.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- early boxing or dipping tubers in fungicidee1
- Interactor
- H. atrovirense1pathogen
- Outcome
- H. atrovirense1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“H. atrovirens was decreased by early boxing or dipping tubers in fungicide”
Claim · model-written summary
Verticillate conidiophores often grew on incubated potato tuber plugs.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- incubated tuber plugse1
- Outcome
- grewe1
- Qualifier
- oftene1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“Verticillate conidiophores often grew on incubated tuber plugs”
Claim · model-written summary
The prevalence of verticillate conidiophores was affected by past storage.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- past storagee1
- Outcome
- prevalencee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“their prevalence was affected by past storage”
Claim · model-written summary
Part of the benefit of chitting may come from disease control.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- benefit for chittinge1
- Qualifier
- disease controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“fungal diseases of potato tubers”
e1“The results suggest that some of the benefit for chitting may be from disease control”
The same questions in other papers
fungicide · Polyscytalum pustulans · Solanum tuberosum (potato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
fungicide · pest · Solanum tuberosum (potato)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →application · pest · Solanum tuberosum (potato)Positive and negative results
27 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- negative
- negative
29 papers more in this group
See all 33 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.