Abstract
Aldrin used as a spray, broadcast, or granular band treatment successfully controlled the cabbage maggot, Hylemya brassicae (Bouché), in Ontario for at least 5 years. However, in September 1963, rutabaga growers in certain areas began reporting extensive damage in spite of aldrin sprayed at the rate of 25 lb actual per acre and broadcast applications of 100 lb 5% aldrin granular per acre. A similar sequence of events was reported by Howitt and Cole (1962) in Washington, Coaker et al. (1963) in Great Britain, and Morris (1963) in Newfoundland. In all cases when resistance first appeared it was not general, but confined to certain areas. In Ontario the problem appeared in widely scattered areas and only where broadcast applications of aldrin had been used extensively.
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Claims 4
Claim · model-written summary
Aldrin treatments controlled cabbage maggot in Ontario for at least five years.
- Taxon
- Cabbage
Brassica oleracea var. capitatat0 - Treatment
- Aldrin used as a spray, broadcast, or granular band treatmente0
- Interactor
- Hylemya brassicaee0pest
- Outcome
- controlled the cabbage maggote0
- Direction
- controllede0
- Value
- at least 5 yearse0
- Setting
- Ontarioe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aldrin used as a spray, broadcast, or granular band treatment successfully controlled the cabbage maggot, Hylemya brassicae (Bouché), in Ontario for at least 5 years.”
t0“Cabbage”
Claim · model-written summary
Rutabaga growers in some areas reported extensive cabbage maggot damage despite aldrin sprays.
- Taxon
- rutabaga
Brassica napus subsp. rapiferae0 - Treatment
- aldrin sprayed at the rate of 25 lb actual per acree0
- Interactor
- Hylemya brassicaee1pest
- Outcome
- extensive damagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rutabaga growers in certain areas began reporting extensive damage in spite of aldrin sprayed at the rate of 25 lb actual per acre”
e1“the cabbage maggot, Hylemya brassicae (Bouché), in Ontario”
Claim · model-written summary
Rutabaga growers in some areas reported extensive cabbage maggot damage despite broadcast granular aldrin.
- Taxon
- rutabagaBrassica napus subsp. rapiferae0
- Treatment
- broadcast applications of 100 lb 5% aldrin granular per acree0
- Interactor
- Hylemya brassicaee1pest
- Outcome
- extensive damagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rutabaga growers in certain areas began reporting extensive damage in spite of aldrin sprayed at the rate of 25 lb actual per acre and broadcast applications of 100 lb 5% aldrin granular per acre.”
e1“the cabbage maggot, Hylemya brassicae (Bouché), in Ontario”
Claim · model-written summary
The Ontario damage problem appeared in scattered areas where broadcast aldrin had been used extensively.
- Taxon
- rutabagaBrassica napus subsp. rapiferae1
- Treatment
- broadcast applications of aldrine0
- Outcome
- problem appearede0
- Setting
- Ontarioe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Ontario the problem appeared in widely scattered areas and only where broadcast applications of aldrin had been used extensively.”
e1“rutabaga growers in certain areas began reporting extensive damage”
The same questions in other papers
aldrin · control · Brassica oleracea (wild cabbage)Positive and negative results
2 in the opposite direction
- negative
- negative
transplanting · control · Brassica oleracea (wild cabbage)Positive and negative results
1 in the opposite direction
- negative
application · control · Brassica oleracea (wild cabbage)Positive and negative results
6 papers in the same direction as this paper · 1 in the opposite direction · 2 reporting no difference from an alternative
- no effect
- no effect
- no effect
6 papers more in this group
See all 10 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.