Abstract
Abstract The incidence of bacterial soft rot of onions in store was greater in bulbs of plants that were provided with overhead irrigation during the field‐curing period than in bulbs of onions not receiving additional water. In the non‐irrigated treatment, bulbs lifted at 50–70% top‐down had more rots than bulbs lifted at >90% top‐down. When additional water was applied during curing the number of rotted bulbs did not significantly differ between onions lifted at 50–70% top‐down and >90% top‐down. The length of the curing period generally had no effect on levels of soft rot incidence in both water treatments except in bulbs lifted at 50–70% top‐down and subjected to additional water. In this treatment onions field‐cured for 15 days had less soft rot than onions that had been cured for 28 days. Aeration, by raking bulbs at 7‐day intervals during curing, did not affect the incidence of soft rot in both water treatments. Modification of husbandry practices, monitoring of the weather during harvest, and introduction of artificial drying of bulbs are recommended as measures to reduce the incidence of bacterial soft rot of onions in store.
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Claims 7
Claim · model-written summary
Overhead irrigation during field curing increased stored onion bulb soft rot compared with no additional water.
- Taxon
- onions
Allium cepae0 - Organ / stage
- bulbse0
- Treatment
- overhead irrigatione0
- Outcome
- incidence of bacterial soft rot of onions in storee0
- Direction
- greatere0
- Comparator
- onions not receiving additional watere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The incidence of bacterial soft rot of onions in store was greater in bulbs of plants that were provided with overhead irrigation during the field‐curing period than in bulbs of onions not receiving additional water.”
Claim · model-written summary
Without irrigation, bulbs lifted at 50–70% top‐down had more rots than those lifted at >90% top‐down.
- Taxon
- onionsAllium cepat0
- Treatment
- bulbs lifted at 50–70% top‐downe0
- Outcome
- rotse0
- Direction
- moree0
- Qualifier
- non‐irrigated treatmente0
- Comparator
- bulbs lifted at >90% top‐downe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the non‐irrigated treatment, bulbs lifted at 50–70% top‐down had more rots than bulbs lifted at >90% top‐down.”
t0“onions”
Claim · model-written summary
With added curing water, rotted bulb counts did not significantly differ by lifting at 50–70% versus >90% top‐down.
- Taxon
- onionsAllium cepae0
- Treatment
- onions lifted at 50–70% top‐downe0
- Outcome
- number of rotted bulbse0
- Direction
- did not significantly differe0
- Qualifier
- additional water was applied during curinge0
- Comparator
- >90% top‐downe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When additional water was applied during curing the number of rotted bulbs did not significantly differ between onions lifted at 50–70% top‐down and >90% top‐down.”
Claim · model-written summary
Curing duration generally had no effect on soft rot incidence under either water treatment, outside the specified exception.
- Taxon
- onionsAllium cepat0
- Treatment
- length of the curing periode0
- Outcome
- levels of soft rot incidencee0
- Direction
- no effecte0
- Qualifier
- both water treatments except in bulbs lifted at 50–70% top‐down and subjected to additional watere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The length of the curing period generally had no effect on levels of soft rot incidence in both water treatments except in bulbs lifted at 50–70% top‐down and subjected to additional water.”
t0“onions”
Claim · model-written summary
Under extra water and lifting at 50–70% top‐down, 15-day curing produced less soft rot than 28-day curing.
- Taxon
- onionsAllium cepae0
- Treatment
- field‐cured for 15 dayse0
- Outcome
- soft rote0
- Direction
- lesse0
- Qualifier
- bulbs lifted at 50–70% top‐down and subjected to additional watere1
- Comparator
- cured for 28 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this treatment onions field‐cured for 15 days had less soft rot than onions that had been cured for 28 days.”
e1“bulbs lifted at 50–70% top‐down and subjected to additional water”
Claim · model-written summary
Raking bulbs at 7-day intervals during curing did not affect soft rot incidence in either water treatment.
- Taxon
- onionsAllium cepat0
- Treatment
- raking bulbs at 7‐day intervals during curinge0
- Outcome
- incidence of soft rote0
- Direction
- did not affecte0
- Qualifier
- both water treatmentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aeration, by raking bulbs at 7‐day intervals during curing, did not affect the incidence of soft rot in both water treatments.”
t0“onions”
Claim · model-written summary
The authors recommend changing husbandry, monitoring harvest weather and artificially drying bulbs to reduce stored onion soft rot.
- Taxon
- onionsAllium cepae0
- Outcome
- Modification of husbandry practices, monitoring of the weather during harvest, and introduction of artificial drying of bulbse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Modification of husbandry practices, monitoring of the weather during harvest, and introduction of artificial drying of bulbs are recommended as measures to reduce the incidence of bacterial soft rot of onions in store.”
The same questions in other papers
irrigation · disease · Allium cepa (onion)Positive and negative results
8 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- positive
- positive
10 papers more in this group
See all 14 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.