Abstract
Infection and development of olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse. An inoculum dose of 1 × 10 5 conidia per ml was selected from a range of densities tested, and it was used for all experiments. Infection occurred from 5 to 25°C, and disease severity was the greatest at ~20°C for wetness durations of 12 to 24 h and at ~15°C for longer durations. Based on a generalized form of the Analytis Beta model, the optimum temperature and minimum wetness duration for infection were 15.5°C and 11.9 h. Dry periods ≤78 h immediately after inoculation did not reduce disease incidence but did reduce disease severity. Disease severity was negatively correlated with leaf age. Disease incubation period was positively correlated with leaf age, with a minimum incubation period of 28 days in the youngest leaves. Inoculated plants that were incubated in a growth chamber or in a shadehouse had the same level of infection, but disease severity was lower in plants incubated in the growth chamber because many infections remained latent for 6 months after inoculation. The data in this study will be useful for the development of a forecasting system for olive scab epidemics.
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Claims 11
Claim · model-written summary
Olive scab infection of Picual leaves by Fusicladium oleagineum occurred from 5 to 25°C.
- Taxon
- olive
Olea europaeae0 - Material
- Picuale0
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- Infectione1
- Value
- 5 to 25°Ce1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e1“Infection occurred from 5 to 25°C”
Claim · model-written summary
Olive scab severity on Picual was greatest at about 20°C for wetness durations of 12 to 24 h.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- wetness durations of 12 to 24 he1
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease severitye1
- Direction
- greateste1
- Qualifier
- ~20°Ce1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e1“disease severity was the greatest at ~20°C for wetness durations of 12 to 24 h and at ~15°C for longer durations”
Claim · model-written summary
Olive scab severity on Picual was greatest at about 15°C for longer wetness durations.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- longer durationse1
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease severitye1
- Direction
- greateste1
- Qualifier
- ~15°Ce1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e1“disease severity was the greatest at ~20°C for wetness durations of 12 to 24 h and at ~15°C for longer durations”
Claim · model-written summary
Model-based optimum temperature and minimum wetness duration for olive scab infection were 15.5°C and 11.9 h.
- Taxon
- oliveOlea europaeae0
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- the optimum temperature and minimum wetness duration for infectione1
- Value
- 15.5°C and 11.9 he1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e1“the optimum temperature and minimum wetness duration for infection were 15.5°C and 11.9 h”
Claim · model-written summary
Dry periods of up to 78 h immediately after inoculation did not reduce olive scab incidence.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- Dry periods ≤78 h immediately after inoculatione2
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease incidencee2
- Direction
- did not reducee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e2“Dry periods ≤78 h immediately after inoculation did not reduce disease incidence but did reduce disease severity”
Claim · model-written summary
Dry periods of up to 78 h immediately after inoculation reduced olive scab severity.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- Dry periods ≤78 h immediately after inoculatione2
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease severitye2
- Direction
- reducee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e2“Dry periods ≤78 h immediately after inoculation did not reduce disease incidence but did reduce disease severity”
Claim · model-written summary
Olive scab severity was negatively correlated with leaf age.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Organ / stage
- leaf agee3
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease severitye3
- Direction
- negatively correlatede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e3“Disease severity was negatively correlated with leaf age”
Claim · model-written summary
Olive scab incubation period was positively correlated with leaf age.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Organ / stage
- leaf agee4
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- Disease incubation periode4
- Direction
- positively correlatede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e4“Disease incubation period was positively correlated with leaf age”
Claim · model-written summary
The minimum olive scab incubation period was 28 days in the youngest leaves.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Organ / stage
- youngest leavese5
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- minimum incubation periode5
- Value
- 28 dayse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e5“with a minimum incubation period of 28 days in the youngest leaves”
Claim · model-written summary
Inoculated Picual plants incubated in a growth chamber had the same level of olive scab infection as those in a shadehouse.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- incubated in a growth chambere6
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- level of infectione6
- Direction
- samee6
- Comparator
- in a shadehousee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e6“Inoculated plants that were incubated in a growth chamber or in a shadehouse had the same level of infection”
Claim · model-written summary
Olive scab severity was lower in plants incubated in the growth chamber than in the shadehouse, because many infections stayed latent for 6 months.
- Taxon
- oliveOlea europaeae0
- Material
- Picuale0
- Treatment
- incubated in the growth chambere7
- Interactor
- Fusicladium oleagineume0pathogen
- Outcome
- disease severitye7
- Direction
- lowere7
- Qualifier
- many infections remained latent for 6 months after inoculatione7
- Comparator
- in a shadehousee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse”
e6“Inoculated plants that were incubated in a growth chamber or in a shadehouse had the same level of infection”
e7“disease severity was lower in plants incubated in the growth chamber because many infections remained latent for 6 months after inoculation”
The same questions in other papers
inoculation · disease · Olea europaea (common olive)Positive and negative results
6 papers in the same direction as this paper · 10 in the opposite direction
- negative
- negative
- negative
13 papers more in this group
See all 17 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.