Abstract
Abstract Several Aureobasidium spp. strains isolated from wild environments during winter 2022 were characterized by sequence analysis of the internal transcribed spacer (ITS), the translation elongation factor EF-1α gene (EF1), and part of the elongase gene (ELO). The variability in the EF1 and ELO loci are higher than in the ITS. All strains but one (UC14), were identified as A. pullulans . To assess the effectiveness of the characterized strains as biocontrol agents (BCAs) of diseases occurring during postharvest storage, a selection of the strains was evaluated by in vitro and in vivo assays. On average, the reduction of Monilinia spp. colony growth was more marked for non-volatile metabolites than for volatile (VOCs). Strain UC14 provided the strongest mycelial growth reduction of Monilinia fructicola by VOCs (66%). According to the in vivo results , all strains were effective in controlling brown rot during cold storage and remarkably in restricting the growth of Monilinia polystroma . In particular, VB23 was the most effective in controlling brown rot incidence, by 80%, 60%, 100%, and severity, by 79.5%, 72.7% and 100%, for Monilinia laxa, M. fructicola, and M. polystroma, respectively.
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Claims 9
Claim · model-written summary
EF1 and ELO loci were more variable than ITS in the isolated strains.
Not reportedTaxon
Verbatim
e0“The variability in the EF1 and ELO loci are higher than in the ITS”
Claim · model-written summary
All but UC14 strains were identified as A. pullulans.
- Taxon
- A. pullulans
Aureobasidium pullulanse0 - Material
- UC14e0
- Outcome
- identified as A. pullulanse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All strains but one (UC14), were identified as A. pullulans”
Claim · model-written summary
Non-volatile metabolites reduced Monilinia colony growth more than volatile metabolites.
- Treatment
- non-volatile metabolitese0
- Outcome
- Monilinia spp. colony growthe0
- Direction
- reductione0
- Comparator
- volatile (VOCs)e0
MoniliniaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the reduction of Monilinia spp. colony growth was more marked for non-volatile metabolites than for volatile (VOCs)”
Claim · model-written summary
UC14 volatile compounds reduced M. fructicola mycelial growth by 66%.
- Taxon
- Monilinia fructicola
Monilinia fructicolae0 - Material
- UC14e0
- Treatment
- VOCse0
- Outcome
- mycelial growthe0
- Direction
- reductione0
- Value
- 66%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Strain UC14 provided the strongest mycelial growth reduction of Monilinia fructicola by VOCs (66%)”
Claim · model-written summary
All tested strains controlled brown rot during cold storage.
Not reportedTaxonComparator
Verbatim
e0“all strains were effective in controlling brown rot during cold storage”
t0“Aureobasidium spp. strains”
Claim · model-written summary
The strains restricted M. polystroma growth in vivo.
- Taxon
- Monilinia polystromaMonilinia polystromae0
- Treatment
- Aureobasidium spp. strainst0
- Outcome
- growth of Monilinia polystromae0
- Direction
- restrictinge0
Not reportedComparator
Verbatim
e0“remarkably in restricting the growth of Monilinia polystroma”
t0“Aureobasidium spp. strains”
Claim · model-written summary
VB23 reduced M. laxa brown rot incidence by 80% and severity by 79.5%.
- Taxon
- Monilinia laxa
Monilinia laxae0 - Material
- VB23e0
- Treatment
- VB23e0
- Outcome
- brown rot incidencee0
- Direction
- controllinge0
- Value
- 80%e0
- Qualifier
- 79.5%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“VB23 was the most effective in controlling brown rot incidence, by 80%, 60%, 100%, and severity, by 79.5%, 72.7% and 100%, for Monilinia laxa, M. fructicola, and M. polystroma, respectively”
Claim · model-written summary
VB23 reduced M. fructicola brown rot incidence by 60% and severity by 72.7%.
- Taxon
- M. fructicolaMonilinia fructicolae0
- Material
- VB23e0
- Treatment
- VB23e0
- Outcome
- brown rot incidencee0
- Direction
- controllinge0
- Value
- 60%e0
- Qualifier
- 72.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“VB23 was the most effective in controlling brown rot incidence, by 80%, 60%, 100%, and severity, by 79.5%, 72.7% and 100%, for Monilinia laxa, M. fructicola, and M. polystroma, respectively”
Claim · model-written summary
VB23 reduced M. polystroma brown rot incidence and severity by 100% each.
- Taxon
- M. polystromaMonilinia polystromae0
- Material
- VB23e0
- Treatment
- VB23e0
- Outcome
- brown rot incidencee0
- Direction
- controllinge0
- Value
- 100%e0
Not reportedComparator
Verbatim
e0“VB23 was the most effective in controlling brown rot incidence, by 80%, 60%, 100%, and severity, by 79.5%, 72.7% and 100%, for Monilinia laxa, M. fructicola, and M. polystroma, respectively”
The same questions in other papers
volatile organic compound · disease · Monilinia fructicolaResults 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.