Abstract
Abstract Grey mould (caused by Botrytis cinerea ) is the most important pathogen underlying high fungicide dependence in strawberry fields. Reliable biocontrol agents (BCAs) with improved efficiency are needed to replace fungicides. The yeast-like beneficial fungus Aureobasidium pullulans (AP-SLU6) has previously exhibited great potential to combat grey mould in greenhouse environments. Here we report results from a two-year full-factorial field trial in a conventional strawberry field, in which we tested two different concentrations of A. pullulans (10 7 CFU/ml and 10 6 CFU/ml) and sugar beet extract (SBE). The results showed that all the field treatments reduced grey mould severity postharvest and increased shelf life of the harvested fruit in both years. The best effect was achieved using the highest conidial concentration of A. pullulans , which also resulted in 53% higher fruit production compared to the control treatment at the end of the season, indicating a plant-growth promoting effect of the BCA. These results reveal that spray applications of these novel BCAs contribute to reliable biocontrol of grey mould, leading to improvement of the shelf life of strawberry sales boxes. These findings suggest that A. pullulans and SBE can contribute to a shift from chemical fungicides to sustainable methods without compromising cropping security.
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Claims 5
Claim · model-written summary
Field treatments reduced postharvest grey mould severity in both years.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- all the field treatmentse0
- Outcome
- grey mould severity postharveste0
- Direction
- reducede0
Not reportedInteractorComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“all the field treatments reduced grey mould severity postharvest”
t0“strawberry”
Claim · model-written summary
Field treatments increased harvested-fruit shelf life in both years.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- all the field treatmentse0
- Outcome
- shelf life of the harvested fruite0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all the field treatments reduced grey mould severity postharvest and increased shelf life of the harvested fruit in both years”
t0“strawberry”
Claim · model-written summary
The highest A. pullulans concentration gave the strongest effect.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- highest conidial concentration of A. pullulanse0
- Interactor
- A. pullulans
Aureobasidium pullulanse0biocontrol_agent - Outcome
- best effecte0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best effect was achieved using the highest conidial concentration of A. pullulans”
t0“strawberry”
Claim · model-written summary
Highest-concentration A. pullulans increased fruit production by 53% over control.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- highest conidial concentration of A. pullulanse0
- Interactor
- A. pullulansAureobasidium pullulanse0biocontrol_agent
- Outcome
- fruit productione0
- Direction
- highere0
- Value
- 53%e0
- Comparator
- the control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest conidial concentration of A. pullulans , which also resulted in 53% higher fruit production compared to the control treatment”
t0“strawberry”
Claim · model-written summary
The authors suggest A. pullulans and SBE as sustainable alternatives to fungicides without compromising cropping security.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- shift from chemical fungicides to sustainable methods without compromising cropping securitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A. pullulans and SBE can contribute to a shift from chemical fungicides to sustainable methods without compromising cropping security”
t0“strawberry”