Abstract
This study investigates the interaction between cold storage duration and avocado variety with the occurrence of postharvest fungal rot expression in California avocados. This investigation focused on five commercial and five experimental avocado varieties. Avocado fruits were harvested and subjected to cold storage at 5°C for 1, 3, or 6 weeks. The study evaluated the severity of three disease symptoms: stem-end rot, body rot, and vascular streaking, as well as the frequency of causal pathogens such as species of Botryosphaeriaceae, Colletotrichum, and Diaporthe. Results indicated that prolonged storage significantly increased the severity of postharvest fungal disorders, with notable differences among varieties. 'Hass' served as the reference variety, exhibiting high disease severities with extended storage. Longer storage periods resulted in notable differences among varieties, with the severity of symptoms varying significantly. Some varieties performed better than 'Hass', while others performed worse, depending on the specific disease symptom. This variability made it challenging to identify varieties that consistently outperformed 'Hass' across all disease symptom types. The study also found that the frequency of pathogens varied with storage duration, with Diaporthe spp. becoming more prevalent during extended storage. These findings underscore the importance of considering both storage duration and avocado variety in postharvest management strategies to mitigate fungal diseases. The study suggests that new avocado varieties may require tailored storage conditions to maintain quality and reduce postharvest losses. These insights contribute to the development of more effective postharvest handling practices, ensuring the long-term sustainability of the avocado industry.
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Claims 9
Claim · model-written summary
Longer cold storage significantly increased postharvest fungal disorder severity in avocados.
- Taxon
- avocados
Persea americanat0 - Treatment
- prolonged storagee0
- Outcome
- severity of postharvest fungal disorderse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that prolonged storage significantly increased the severity of postharvest fungal disorders, with notable differences among varieties.”
t0“California avocados”
Claim · model-written summary
Disease severity differed among avocado varieties.
- Taxon
- avocadosPersea americanat0
- Outcome
- differences among varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with notable differences among varieties”
t0“California avocados”
Claim · model-written summary
Hass had high disease severity after extended storage.
- Taxon
- avocadosPersea americanat0
- Material
- Hasse0
- Outcome
- high disease severitiese0
- Qualifier
- extended storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“'Hass' served as the reference variety, exhibiting high disease severities with extended storage.”
t0“California avocados”
Claim · model-written summary
Symptom severity varied significantly among varieties with longer storage.
- Taxon
- avocadosPersea americanat0
- Treatment
- Longer storage periodse0
- Outcome
- severity of symptomse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Longer storage periods resulted in notable differences among varieties, with the severity of symptoms varying significantly.”
t0“California avocados”
Claim · model-written summary
Some avocado varieties had less severe disease symptoms than Hass, depending on the symptom.
- Taxon
- avocadosPersea americanat0
- Outcome
- disease symptome0
- Direction
- bettere0
- Comparator
- Hasse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Some varieties performed better than 'Hass', while others performed worse, depending on the specific disease symptom.”
t0“California avocados”
Claim · model-written summary
Other avocado varieties had more severe disease symptoms than Hass, depending on the symptom.
- Taxon
- avocadosPersea americanat0
- Outcome
- disease symptome0
- Direction
- worsee0
- Comparator
- Hasse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Some varieties performed better than 'Hass', while others performed worse, depending on the specific disease symptom.”
t0“California avocados”
Claim · model-written summary
Pathogen frequency varied with avocado storage duration.
- Taxon
- avocadosPersea americanat0
- Treatment
- storage duratione0
- Outcome
- frequency of pathogense0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the frequency of pathogens varied with storage duration”
t0“California avocados”
Claim · model-written summary
Diaporthe spp. became more prevalent during extended avocado storage.
- Taxon
- avocadosPersea americanat0
- Treatment
- extended storagee0
- Outcome
- Diaporthe spp. becoming more prevalente0
- Direction
- more prevalente0
DiaportheOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with Diaporthe spp. becoming more prevalent during extended storage”
t0“California avocados”
Claim · model-written summary
The authors suggest tailored storage conditions for new avocado varieties to maintain quality and reduce losses.
- Taxon
- avocadoPersea americanae0
- Outcome
- tailored storage conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“new avocado varieties may require tailored storage conditions to maintain quality and reduce postharvest losses”
The same questions in other papers
storage · disease · Persea americana (avocado)Positive and negative results
3 papers in the same direction as this paper · 12 in the opposite direction
- positive
- positive
- positive
12 papers more in this group
See all 16 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.