Abstract
Sixty-three chemical compounds were screened at Orlando, Florida, in 1963 and 1964 against 2 species of eriophyid mites—the citrus rust mite, Phyllocoptruta oleivora (Ashmead), and Aculus pelekassi (Keifer) — on citrus. Initial tests were made at a concentration of 20 ppm with infested seedling leaves that had been dipped into acetone suspensions of each chemical. Promising compounds were retested at a concentration of 2 ppm, and several that appeared effective against 1 or both species were tested at concentrations below 2 ppm. The most promising compounds against both species of mites were Chloropropylate® (isopropyl 4,4'-dichlorobenzilate), Stauffer N-4539 (O-isopropyl ethylphosphonodithioate S-ester with N (mercaptomethyl)phthalimide), Stauffer N4543 (O-isobutyl ethylphosphonodithioate S-ester with N-(mercaptomethyl)-phthalimide), NIA 9241 (O,O-diethyl phosphorodithioate S-ester with 6-chloro-3-(mercaptomethyl)-2-benzoxazolinone), Thompson-Hayward TPTC (tiphenyltin chloride) and Thompson-Hayward TPTH (triphenyltin hydroxide) Bayer 37344 (4-(methylthio)-3,5-xylyl methylcarbamate) and Shell SD-9129 (3-hydroxy-N-methyl.cis-crotonamide dimethyl phosphate) gave excellent results against A. pelekassi but very poor results against P. oleivora, which is the mite of greatest economic importance. Nabac (2,2'-methylenebis[3,4,6-trichlorophenol]) was promising against P. oleivora but not strongly toxic to A. pelekassi.
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Claims 4
Claim · model-written summary
Six compounds were the most promising against both mite species on citrus.
CitrusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The most promising compounds against both species of mites were Chloropropylate® (isopropyl 4,4'-dichlorobenzilate), Stauffer N-4539 (O-isopropyl ethylphosphonodithioate S-ester with N (mercaptomethyl)phthalimide), Stauffer N4543 (O-isobutyl ethylphosphonodithioate S-ester with N-(mercaptomethyl)-phthalimide), NIA 9241 (O,O-diethyl phosphorodithioate S-ester with 6-chloro-3-(mercaptomethyl)-2-benzoxazolinone), Thompson-Hayward TPTC (tiphenyltin chloride) and Thompson-Hayward TPTH (triphenyltin hydroxide)”
t0“Citrus”
Claim · model-written summary
Bayer 37344 gave excellent results against A. pelekassi but poor results against P. oleivora.
- Treatment
- Bayer 37344e0
- Interactor
- A. pelekassiAculops pelekassie0pest
- Outcome
- excellent results against A. pelekassie0
- Direction
- excellente0
- Comparator
- P. oleivorae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bayer 37344 (4-(methylthio)-3,5-xylyl methylcarbamate) and Shell SD-9129 (3-hydroxy-N-methyl.cis-crotonamide dimethyl phosphate) gave excellent results against A. pelekassi but very poor results against P. oleivora”
t0“Citrus”
Claim · model-written summary
Shell SD-9129 gave excellent results against A. pelekassi but poor results against P. oleivora.
- Treatment
- Shell SD-9129e0
- Interactor
- A. pelekassiAculops pelekassie0pest
- Outcome
- excellent results against A. pelekassie0
- Direction
- excellente0
- Comparator
- P. oleivorae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bayer 37344 (4-(methylthio)-3,5-xylyl methylcarbamate) and Shell SD-9129 (3-hydroxy-N-methyl.cis-crotonamide dimethyl phosphate) gave excellent results against A. pelekassi but very poor results against P. oleivora”
t0“Citrus”
Claim · model-written summary
Nabac was promising against P. oleivora but not strongly toxic to A. pelekassi.
- Treatment
- Nabace0
- Interactor
- P. oleivora
Phyllocoptruta oleivorae0pest - Outcome
- promising against P. oleivorae0
- Direction
- promisinge0
- Comparator
- A. pelekassie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nabac (2,2'-methylenebis[3,4,6-trichlorophenol]) was promising against P. oleivora but not strongly toxic to A. pelekassi”
t0“Citrus”