Abstract
SUMMARY Nineteen pesticides were compared for the control of a strain of Myzus persicae resistant to contact organophosphorus pesticides. The tests were done on year‐round chrysanthemums growing in pots. Good results were obtained with drenches and sprays of oxydemetonmethyl and demeton‐S‐methyl, drenches of vamidothion and granules ofthe carbamate UC21149. The other pesticides gave variable results but monocrotophos granules seem to be worth further investigation. Many of the pesticides tested and particularly the carbamates were phytotoxic to the cultivars used.
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Claims 7
Claim · model-written summary
Oxydemetonmethyl drenches and sprays controlled resistant Myzus persicae well.
- Taxon
- Year‐Round Chrysanthemumst0
- Treatment
- drenches and sprays of oxydemetonmethyle0
- Outcome
- Good resultse0
- Direction
- Goode0
Not reportedComparator
Verbatim
e0“Good results were obtained with drenches and sprays of oxydemetonmethyl and demeton‐S‐methyl”
t0“Year‐Round Chrysanthemums”
Claim · model-written summary
Demon-S-methyl drenches and sprays controlled resistant Myzus persicae well.
- Treatment
- drenches and sprays of oxydemetonmethyl and demeton‐S‐methyle0
- Outcome
- Good resultse0
- Direction
- Goode0
Not reportedTaxonComparator
Verbatim
e0“Good results were obtained with drenches and sprays of oxydemetonmethyl and demeton‐S‐methyl”
Claim · model-written summary
Vamidothion drenches gave good aphid control.
Not reportedTaxonComparatorDirection
Verbatim
e0“drenches of vamidothion”
Claim · model-written summary
UC21149 granules gave good aphid control.
Not reportedTaxonComparatorDirection
Verbatim
e0“granules ofthe carbamate UC21149”
Claim · model-written summary
Other pesticides had variable aphid control results.
- Outcome
- variable resultse0
Not reportedTaxon
Verbatim
e0“The other pesticides gave variable results”
Claim · model-written summary
Monocrotophos granules merit further investigation.
Not reportedTaxon
Verbatim
e0“monocrotophos granules seem to be worth further investigation”
Claim · model-written summary
Many pesticides, particularly carbamates, were phytotoxic to the cultivars.
Not reportedTaxon
Verbatim
e0“Many of the pesticides tested and particularly the carbamates were phytotoxic to the cultivars used”