Abstract
Summary In 3 years, seed tubers were treated or not with imazalil in March or April, sprouted and planted in field experiments. Tubers were harvested on several dates and cured under different conditions for 2 wk, or not cured, before storage for 6 months. In some years effects of irrigation, seed tuber size and seed stock were tested. Fungicide seed treatment decreased silver scurf, and was most effective in 1989 when the seed had little infection and the season was dry, but the treatment increased black dot. Silver scurf and black dot were decreased by harvesting early and also by drying tubers before storage (dry curing), and these practices also sometimes decreased black scurf and skin spot. The effects of fungicide seed treatment and of dry curing were greater the earlier the tubers were harvested. Irrigation decreased silver scurf and in one year decreased black scurf but greatly increased black dot. Silver scurf, black dot and skin spot were more common on tubers from large than small seed whereas black scurf was most common on tubers from small seed. In 2 years tubers were affected with a brown superficial blemish (golding blotch). This developed on the undersides of tubers in soil and was decreased by irrigation. Its cause is not known.
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Claims 13
Claim · model-written summary
Fungicide seed treatment decreased silver scurf on potato tubers, most effectively in 1989 when seed infection was low and the season was dry.
- Taxon
- potato
Solanum tuberosumt0 - Material
- cv. Estimat0
- Treatment
- Fungicide seed treatmente1
- Interactor
- silver scurfe1pathogen
- Outcome
- silver scurfe1
- Direction
- decreasede1
- Setting
- field experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e0“In 3 years, seed tubers were treated or not with imazalil in March or April, sprouted and planted in field experiments”
e1“Fungicide seed treatment decreased silver scurf, and was most effective in 1989 when the seed had little infection and the season was dry, but the treatment increased black dot”
Claim · model-written summary
Fungicide seed treatment increased black dot on potato tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- Fungicide seed treatmente1
- Interactor
- black dote1pathogen
- Outcome
- black dote1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e1“Fungicide seed treatment decreased silver scurf, and was most effective in 1989 when the seed had little infection and the season was dry, but the treatment increased black dot”
Claim · model-written summary
Harvesting potato tubers early decreased silver scurf and black dot.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- harvesting earlye2
- Interactor
- Silver scurfe2pathogen
- Second interactor
- black dote2pathogen
- Outcome
- Silver scurf and black dote2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e2“Silver scurf and black dot were decreased by harvesting early and also by drying tubers before storage (dry curing)”
Claim · model-written summary
Dry curing of potato tubers before storage decreased silver scurf and black dot.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- dry curinge2
- Interactor
- Silver scurfe2pathogen
- Second interactor
- black dote2pathogen
- Outcome
- Silver scurf and black dote2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e2“Silver scurf and black dot were decreased by harvesting early and also by drying tubers before storage (dry curing)”
Claim · model-written summary
Early harvest and dry curing sometimes decreased black scurf and skin spot on potato tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- dry curinge2
- Interactor
- black scurfe3pathogen
- Second interactor
- skin spote3pathogen
- Outcome
- black scurf and skin spote3
- Direction
- decreasede3
- Qualifier
- sometimese3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e2“Silver scurf and black dot were decreased by harvesting early and also by drying tubers before storage (dry curing)”
e3“these practices also sometimes decreased black scurf and skin spot”
Claim · model-written summary
The effect of fungicide seed treatment on potato tuber blemishes was greater the earlier the tubers were harvested.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- fungicide seed treatmente4
- Outcome
- effectse4
- Direction
- greatere4
- Qualifier
- the earlier the tubers were harvestede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e4“The effects of fungicide seed treatment and of dry curing were greater the earlier the tubers were harvested”
Claim · model-written summary
The effect of dry curing on potato tuber blemishes was greater the earlier the tubers were harvested.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- dry curinge4
- Outcome
- effectse4
- Direction
- greatere4
- Qualifier
- the earlier the tubers were harvestede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e4“The effects of fungicide seed treatment and of dry curing were greater the earlier the tubers were harvested”
Claim · model-written summary
Irrigation decreased silver scurf on potato tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- Irrigatione5
- Interactor
- silver scurfe5pathogen
- Outcome
- silver scurfe5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e5“Irrigation decreased silver scurf and in one year decreased black scurf but greatly increased black dot”
Claim · model-written summary
Irrigation decreased black scurf on potato tubers in one year.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- Irrigatione5
- Interactor
- black scurfe5pathogen
- Outcome
- black scurfe5
- Direction
- decreasede5
- Qualifier
- in one yeare5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e5“Irrigation decreased silver scurf and in one year decreased black scurf but greatly increased black dot”
Claim · model-written summary
Irrigation greatly increased black dot on potato tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- cv. Estimat0
- Treatment
- Irrigatione5
- Interactor
- black dote5pathogen
- Outcome
- black dote5
- Direction
- greatly increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e5“Irrigation decreased silver scurf and in one year decreased black scurf but greatly increased black dot”
Claim · model-written summary
Silver scurf, black dot and skin spot were more common on tubers from large than small seed.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- tubers from large than small seede6
- Interactor
- Silver scurfe6pathogen
- Second interactor
- black dote6pathogen
- Outcome
- Silver scurf, black dot and skin spote6
- Direction
- more commone6
- Qualifier
- skin spote6
- Comparator
- small seede6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e6“Silver scurf, black dot and skin spot were more common on tubers from large than small seed whereas black scurf was most common on tubers from small seed”
Claim · model-written summary
Black scurf was most common on potato tubers from small seed.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- tubers from small seede6
- Interactor
- black scurfe6pathogen
- Outcome
- black scurfe6
- Direction
- most commone6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e6“Silver scurf, black dot and skin spot were more common on tubers from large than small seed whereas black scurf was most common on tubers from small seed”
Claim · model-written summary
Irrigation decreased golding blotch, a brown superficial blemish that developed on the undersides of tubers in soil.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- irrigatione7
- Outcome
- golding blotche7
- Direction
- decreasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling potato tuber blemish diseases on cv. Estima”
e7“brown superficial blemish (golding blotch). This developed on the undersides of tubers in soil and was decreased by irrigation”
The same questions in other papers
seed treatment · nutrient: content · Solanum tuberosum (potato)Positive and negative results
1 in the opposite direction
- no effect
irrigation · nutrient: content · Solanum tuberosum (potato)Positive and negative results
5 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- no effect
- negative
5 papers more in this group
See all 9 papers →irrigation · disease · Solanum tuberosum (potato)Positive and negative results
15 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- no effect
18 papers more in this group
See all 22 papers →fungicide · nutrient: content · Solanum tuberosum (potato)Results agree
1 paper in the same direction as this paper
- 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.