Abstract
SUMMARY The percentage of bulbs with neck rot in store was determined by the number of onion plants with Botrytis allii infected neck tissues in the field. Since infected plants were obtained mainly by sowing infected seeds, it was established that the seeds were main source of neck rot in stored bulbs. The disease failed to spread from infected bulbs to healthy bulbs in store but affected bulbs became progressively more rotten during storage. In 1972, dusting seeds with 1 g benomyl/kg reduced neck rot in the stored bulbs from 50 to 8%. However, there was some cross infection from the control plots to the plots raised from benomyl dusted seeds 1·5 m distant. In 1973 and 1974, all plots were placed 165 m or more from one another to reduce spread of the disease. Benomyl applied to seed samples containing 1, 10 and 20% infection reduced the average neck rot percentage in stored bulbs from 10·1 to 0·4% in 1973 and from 26·2 to 3·8 % in 1974. The amount of neck rot in store was directly related to the percentage infection of the onion seeds. However, the number of infected bulbs in store was proportionally greater in 1974 when weather conditions were more conducive to spread of the disease in the field.
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Claims 9
Claim · model-written summary
Stored bulb neck rot tracked Botrytis infected neck tissues in the field.
- Taxon
- onion
Allium cepae0 - Interactor
- Botrytis allii
Botrytis alliie0pathogen - Outcome
- percentage of bulbs with neck rot in storee0
- Setting
- fielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The percentage of bulbs with neck rot in store was determined by the number of onion plants with Botrytis allii infected neck tissues in the field.”
Claim · model-written summary
Infected seeds were the main source of neck rot in stored bulbs.
- Taxon
- onionAllium cepat0
- Outcome
- neck rot in stored bulbse0
- Qualifier
- seeds were main sourcee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Since infected plants were obtained mainly by sowing infected seeds, it was established that the seeds were main source of neck rot in stored bulbs.”
t0“bulb onions”
Claim · model-written summary
Neck rot did not spread from infected to healthy bulbs in storage.
- Taxon
- onionAllium cepat0
- Outcome
- failed to spread from infected bulbs to healthy bulbs in storee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The disease failed to spread from infected bulbs to healthy bulbs in store”
t0“bulb onions”
Claim · model-written summary
Affected bulbs became more rotten during storage.
- Taxon
- onionAllium cepat0
- Outcome
- affected bulbs became progressively more rotten during storagee0
- Direction
- progressively more rottene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“affected bulbs became progressively more rotten during storage”
t0“bulb onions”
Claim · model-written summary
Benomyl seed treatment reduced stored bulb neck rot.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1972, dusting seeds with 1 g benomyl/kg reduced neck rot in the stored bulbs from 50 to 8%.”
t0“bulb onions”
Claim · model-written summary
Benomyl seed treatment reduced stored bulb neck rot.
- Taxon
- onionAllium cepat0
- Treatment
- benomyle0
- Outcome
- neck rot percentagee0
- Direction
- reducede0
- Value
- 0·4%e0
- Qualifier
- 10·1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Benomyl applied to seed samples containing 1, 10 and 20% infection reduced the average neck rot percentage in stored bulbs from 10·1 to 0·4% in 1973”
t0“bulb onions”
Claim · model-written summary
Benomyl seed treatment reduced average neck rot from 26·2 to 3·8 % in 1974.
- Taxon
- onionAllium cepat0
- Treatment
- Benomyle0
- Outcome
- neck rot percentagee0
- Direction
- reducede0
- Value
- 3·8 %e0
- Qualifier
- 26·2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Benomyl applied to seed samples containing 1, 10 and 20% infection reduced the average neck rot percentage in stored bulbs from 10·1 to 0·4% in 1973 and from 26·2 to 3·8 % in 1974.”
t0“bulb onions”
Claim · model-written summary
Stored neck rot amount was directly related to onion seed infection percentage.
- Taxon
- onionAllium cepae0
- Organ / stage
- seedse0
- Outcome
- amount of neck rot in storee0
- Direction
- directly relatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The amount of neck rot in store was directly related to the percentage infection of the onion seeds.”
Claim · model-written summary
Infected bulb numbers were proportionally greater in 1974 under weather favoring field disease spread.
- Taxon
- onionAllium cepat0
- Outcome
- number of infected bulbs in storee0
- Direction
- proportionally greatere0
- Qualifier
- weather conditions were more conducive to spread of the disease in the fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of infected bulbs in store was proportionally greater in 1974 when weather conditions were more conducive to spread of the disease in the field.”
t0“bulb onions”
The same questions in other papers
benomyl · disease · Allium cepa (onion)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.