Abstract
Psychrotrophic yeasts were isolated from Antarctic soils, selected based on their ability to grow in apple juice at low temperatures, and were evaluated as potential biocontrol agents for the management of postharvest diseases of apple during cold storage. Among the species recovered, an isolate of Leucosporidium scottii, designated At17, was identified as a good biocontrol agent for blue and gray mold of two apple cultivars. The selected isolate produced soluble and volatile antifungal substances that were inhibitory to apple pathogens. Siderophore production was also demonstrated, but it did not appear to play a role in pathogen inhibition. The selected yeast had the capacity to form a biofilm when grown in apple juice, which is considered an important attribute of postharvest antagonists to successfully colonize wounds and intact fruit surfaces. At17 was resistant to commonly used postharvest fungicides, so application of a combination of low-dose fungicide along with the biocontrol agent could be used as an integrated management practice.
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Claims 6
Claim · model-written summary
Leucosporidium scottii At17 controlled blue and gray mold of two apple cultivars.
- Taxon
- apple
Malus domesticat0 - Material
- two apple cultivarse0
- Interactor
- Leucosporidium scottiiLeucosporidium scottiie0biocontrol_agent
- Outcome
- blue and gray molde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“an isolate of Leucosporidium scottii, designated At17, was identified as a good biocontrol agent for blue and gray mold of two apple cultivars”
Claim · model-written summary
At17 produced soluble antifungal substances inhibitory to apple pathogens.
- Taxon
- appleMalus domesticat0
- Interactor
- apple pathogense0pathogen
- Outcome
- soluble and volatile antifungal substancese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“The selected isolate produced soluble and volatile antifungal substances that were inhibitory to apple pathogens”
Claim · model-written summary
Siderophore production did not appear to contribute to pathogen inhibition.
- Taxon
- appleMalus domesticat0
- Outcome
- pathogen inhibitione0
- Qualifier
- Siderophore productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“Siderophore production was also demonstrated, but it did not appear to play a role in pathogen inhibition”
Claim · model-written summary
At17 formed a biofilm in apple juice.
- Taxon
- appleMalus domesticat0
- Outcome
- form a biofilme0
- Setting
- apple juicee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“The selected yeast had the capacity to form a biofilm when grown in apple juice”
Claim · model-written summary
At17 was resistant to commonly used postharvest fungicides.
- Taxon
- appleMalus domesticat0
- Outcome
- resistant to commonly used postharvest fungicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“At17 was resistant to commonly used postharvest fungicides”
Claim · model-written summary
The authors suggest combining low-dose fungicide with the biocontrol agent.
- Taxon
- appleMalus domesticat0
- Outcome
- application of a combination of low-dose fungicide along with the biocontrol agente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“apple (Malus × domestica)”
e0“application of a combination of low-dose fungicide along with the biocontrol agent could be used as an integrated management practice”