CA1208126A - Method for controlling whiteflies, and psyllids and suckers - Google Patents
Method for controlling whiteflies, and psyllids and suckersInfo
- Publication number
- CA1208126A CA1208126A CA000425389A CA425389A CA1208126A CA 1208126 A CA1208126 A CA 1208126A CA 000425389 A CA000425389 A CA 000425389A CA 425389 A CA425389 A CA 425389A CA 1208126 A CA1208126 A CA 1208126A
- Authority
- CA
- Canada
- Prior art keywords
- insecticide
- habitat
- whiteflies
- suckers
- common name
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
ABSTRACT OF TEE DISCLOSURE
Disclosed is a method for controlling whiteflies, psyllids and suckers, by applying 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-4-one to the target insect.
Disclosed is a method for controlling whiteflies, psyllids and suckers, by applying 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-4-one to the target insect.
Description
This invention relates to a method for controlling whiteflies (ALEYRODIDAE) and psyllids and suckers (PSYLLID~E), which comprises applying an effective amount of 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-~-one to the target insect or habitat thereof.
In recent years, damages of crops caused by whiteflies, and psyllids and suckers have been increasing. ~Iowever, the control agents are little used at the present situation, therefore novel control agent is particularly desired.
Whiteflies, and psyllids and suckers distribute from the temperate zone to the subtropical zone.
The above insects infest on, for example~ vegetables such as tomato, effplant, cucumber, kidney bean, soy bean and strawberry; ornamental plants and flowers such as rose, chrysan-themum, poinsettia, lantana, hibiscus and fuchsia; industrial crops such as cotton, mulberry and tea, fruit trees such as mandarins, grape, pear, apple and japanese persimon; trees such as cape-jasmine, camellia, azalea and sacred tree, and the above insects assemble in the reverse side of their young leaves or stems, and suck the sap.
In consequence, a growth inhibition is caused in accordance with fading of the leaf and wilting, Eurther sooty mold and virus disease are caused. Particularly, in recent years, the damage of crop caused by whiteflies etc. have been increasing, ~;
., .
~ .
~%~
with popularization of crop cultivation in an institution such as a greenhouse.
Whiteflies (ALEYRODIDAE) include, for example, green-house whitefly (Trialeurodes vaporariorum Westwo~d), citrus whitefly (Dialeurodes citric Ashmead), citrus spinywhitefly (Aleurocanthus spiniferus Quaintance), grape whitefly (~leurolabus taonabe Kuwana), sweetpotato whitefly (Bemisia tabaci gennadius), and strawberr~ whitefly (Trialeurodes packardi Morrill). Psyllids and suckers (PS~LLIDAE) include pear sucker (Psylla pyrisuga Forster), mulberry sucker (Anomoneura mori Schwaræ), spotted jumping plant louse (Apholara nebulose Zetterstedt), and black apple sucker (Psylla malivorella T. Sasaki).
It was found out that 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-4-one, which was already described in USP No. 4159328, had high control effect to white-flies, and psyllids and suckers. The abovementioned compound has a physical property of m.p. 104 - 106C. In this invention, according to usual way of agricultural preparation, the compound of active ingredient may be formed into suitable formulations,
In recent years, damages of crops caused by whiteflies, and psyllids and suckers have been increasing. ~Iowever, the control agents are little used at the present situation, therefore novel control agent is particularly desired.
Whiteflies, and psyllids and suckers distribute from the temperate zone to the subtropical zone.
The above insects infest on, for example~ vegetables such as tomato, effplant, cucumber, kidney bean, soy bean and strawberry; ornamental plants and flowers such as rose, chrysan-themum, poinsettia, lantana, hibiscus and fuchsia; industrial crops such as cotton, mulberry and tea, fruit trees such as mandarins, grape, pear, apple and japanese persimon; trees such as cape-jasmine, camellia, azalea and sacred tree, and the above insects assemble in the reverse side of their young leaves or stems, and suck the sap.
In consequence, a growth inhibition is caused in accordance with fading of the leaf and wilting, Eurther sooty mold and virus disease are caused. Particularly, in recent years, the damage of crop caused by whiteflies etc. have been increasing, ~;
., .
~ .
~%~
with popularization of crop cultivation in an institution such as a greenhouse.
Whiteflies (ALEYRODIDAE) include, for example, green-house whitefly (Trialeurodes vaporariorum Westwo~d), citrus whitefly (Dialeurodes citric Ashmead), citrus spinywhitefly (Aleurocanthus spiniferus Quaintance), grape whitefly (~leurolabus taonabe Kuwana), sweetpotato whitefly (Bemisia tabaci gennadius), and strawberr~ whitefly (Trialeurodes packardi Morrill). Psyllids and suckers (PS~LLIDAE) include pear sucker (Psylla pyrisuga Forster), mulberry sucker (Anomoneura mori Schwaræ), spotted jumping plant louse (Apholara nebulose Zetterstedt), and black apple sucker (Psylla malivorella T. Sasaki).
It was found out that 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-4-one, which was already described in USP No. 4159328, had high control effect to white-flies, and psyllids and suckers. The abovementioned compound has a physical property of m.p. 104 - 106C. In this invention, according to usual way of agricultural preparation, the compound of active ingredient may be formed into suitable formulations,
2 --'``i ' :~L2V~6 1 for example, dust, granule, flne granule, wettable powder, emulsifiable concentrate, oil spray, aerosol, flow dust, smoking chemical, fumigant, flowable and tablet. These formulations are formed by mixing the active ingredient and adjuvant, then are applied directly or by diluting with water to leaves and stems of vegetables, ornamental plants and flowers, industrial crops, fruits and trees.
In this invention, application amount of the insecticidal formulation of this invention varies depending on various factors such as the type of target insect and method of application, but application amount of active ingredient can be selected from the range of 5-500 g/10 a.
The formulation of this invention can be applied in admixture with or jointly with other pesticides, fertilizers and plant nutrients. For example, in case of controlling whiteflies, and psyllids and suckers by using the composition of this in~ention, the composition can be formed into wide spectrum control agents, by mixing other pest control agents.
Representative agricultural chemicals usable for this purpose are as follows:
Examples of insecticides lnclude 0,0-dimethyl-S~[2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl]dithiophosphate (Common name: DMTP),
In this invention, application amount of the insecticidal formulation of this invention varies depending on various factors such as the type of target insect and method of application, but application amount of active ingredient can be selected from the range of 5-500 g/10 a.
The formulation of this invention can be applied in admixture with or jointly with other pesticides, fertilizers and plant nutrients. For example, in case of controlling whiteflies, and psyllids and suckers by using the composition of this in~ention, the composition can be formed into wide spectrum control agents, by mixing other pest control agents.
Representative agricultural chemicals usable for this purpose are as follows:
Examples of insecticides lnclude 0,0-dimethyl-S~[2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl]dithiophosphate (Common name: DMTP),
- 3 -~2~8~
1 S~ (ethoxycarbonyl)benzyl~dimethylphos-phorathiolothionate (Common name: PAP), 0,S-dimethyl~N-acetyl phosphoroamide-thioate (Common name: acephate), 0-2-diethylamino 6-methylpyrimidin-4-yl-0,0-dimethylphosphorothioate (Common name:
pirimiphosmethyl), 6-methyl-1,3-di~hiolo~4,5~b~quinoxalin-2-one .(Common name: Quinomethionate), 1,2-dibromo-2,2-dichloroethyldimethyl phosphate (Common name: BRP), 0,0-diethyl 0-2-isopropyl-6-methylpyrimidine-
1 S~ (ethoxycarbonyl)benzyl~dimethylphos-phorathiolothionate (Common name: PAP), 0,S-dimethyl~N-acetyl phosphoroamide-thioate (Common name: acephate), 0-2-diethylamino 6-methylpyrimidin-4-yl-0,0-dimethylphosphorothioate (Common name:
pirimiphosmethyl), 6-methyl-1,3-di~hiolo~4,5~b~quinoxalin-2-one .(Common name: Quinomethionate), 1,2-dibromo-2,2-dichloroethyldimethyl phosphate (Common name: BRP), 0,0-diethyl 0-2-isopropyl-6-methylpyrimidine-
4-yl phosphorothioate (Common name: diazinon) 2-methoxy~H-benzo-1~3,2-dioxaphosphorin-2-sulphida (Common name: salithion), 0-(4-bromo-2-chlorophenyl)O~ethyl-S-propylphosphorothioate (Common name: profenofos) 0-(2,4-dichlorophenyl)0-ethyl-S-propyl phosphorodithioate (Common name:~prothi.ofos) 0,0-diethyl 0-5-phenylisoxazol-3-yl phosphorothioate (Common name: isoxathion) 0,0 diethyl 0-(3,5,6-trichloro-2-pyridyl) phosphorothioate (Common name: chloropyrifos), S-2-chloro-1-phthalimidoethyl-0,0-diethyl phosphorodithioate (Common name: diali.~or) 0,0-dimethyl S~methylcarbamoylmethyl phosphorodithloate (Common name: dimethoate), 0,0-dimethyl 0-4-nitro-m-tolyl 1 phosphorothioate (Common name: fenitrothion), 3-phenoxybenzyl(lRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropan-carboxylate (Common name: permethrin), (R,S)-a-cyano-3-phenoxybenzyl(R,S)-2-(4-chlorophenyl)-3-methylbutylate (Common na~e: fenvalerate) (S)-a-cyano-3-phenoxybenzyl(lR~-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate ~Common name: Decamethrin) 3-phenoxybenzyl(lRS)-cis,trans-3-(2,2-dichlorovinyl)-2~2-dimethylcyclopropan carboxylate, (RS)-a-cyano-3-phenoxybenzyl(RS)-2-(4-chlorophenyl)-3-methylbutylate, (RS)-a-cyano-3-phenoxybenzyl(lRS)-cis,trans-chrysanthemate, (RS)-a-cyano-3-phenoxybenzyl(lRS)-cis,trans-3-(2-chloro-2-trifluoromethyl) 2,2-dimethylcyclopropan carboxylate, (RS)-~-cyano-3-phenoxybenzyl(RS)-2-(~-difluoromethoxyphenyl)-3-methyl butylate, (RS)-5-phenoxy-3-1a-cyano-pyridylmethyl)-(lRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropan carboxylate, a-cyano-3-phenoxybenzyl-1-(4~ethoxyphenyl)-2,2-dichlorocyclopropan carboxylate Examples of fungicides include N-(3,5-dichlorophenyl)-1,5-dimethyl-3-, --~20~2~
l azabicyclopropane-1,2-dicarboximide (Common name:
proxymidone), 3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxoimidazolidine carboximide (Common name: iprodione), 3-(3,5 dichlorophenyl)-5-methyl-5-vi~ylox-azolidine-2,4-dione (Common name: vinclozolin), Methyl l-(butylcarbamoyl)benzimidazol-2-yl carbamate (Common name: Benomyl), 1,2-di-(3-methoxycarbonyl-2-thioureido) benzene ~Common name: thiophanatemethyl),
l azabicyclopropane-1,2-dicarboximide (Common name:
proxymidone), 3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxoimidazolidine carboximide (Common name: iprodione), 3-(3,5 dichlorophenyl)-5-methyl-5-vi~ylox-azolidine-2,4-dione (Common name: vinclozolin), Methyl l-(butylcarbamoyl)benzimidazol-2-yl carbamate (Common name: Benomyl), 1,2-di-(3-methoxycarbonyl-2-thioureido) benzene ~Common name: thiophanatemethyl),
5-(2-amino-2-deoxy-L-xylonamido)-1-[3,4-dihydro-5-hydroxymethyl-2,4-dioxo-1(2H)-pyrimidinyl]
allofuranuronic acid ~-D-monocarbamate (Common name~
polyoxin), 2,6-dichloro-4-nitroaniline (Common name: CNA), 2-sec-butyl-4,6-dinitrophenyl 3-methyl-crotonate (Common name: binapacryl), 5-butyl-2-dimethylamino-6-methyl-pyrimidin-4-ol ICommon name: dimethirinol), 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-l-yl)-2-butanone (Common name: triadimefon), Butyl 4-tert-butylbenzyl N-(3-pyridyl) dithiocarbonimidate (Common name: buthiobate), 1,4-bis(2,2,2-trichloro-1-formamidoethyl) piperazine (Common name: triforine), 1,2,3,6-tetrahydro-N-(1,1,2,2-tetrachloro-ethylthio)phthalimide (Common name: difolatan), tetrachloroisophthalonitrile (Common name~ TPN), 1 1,2,3,6-tetrahydro-N-(trichloromethylthio~
phthalimide (Common name: captan), 4,4',6,6'-tetramethyl-3,3'-ethylenebls-(tetrahydro-1,3,5-thiadiazine-2-thione) ~Common name:
thiadiazine), N-dichlorofluoromethylthio~N',N'-dimethyl-N-phenylsulphamide (Common name-: dichlofluamid), Methyl N-(2-methoxyacetyl)-N~(2,6-xylyl)-DL-alaninate (Common name: metalaxyl), Aluminium tris(ethyl phosphonate) (Commercial name: Aliette), 1-(2-cyano-2-methoxyiminoacetyl)-3-ethylurea (Commercial name: Curzate) and Dithiocarbamate type fungicides.
Test examples and formulation examples are shown below.
Test example 1 Control effect on greenhouse whitefly Test method:
A test solution was sprayed by a spray gu~
over the potted tomato plants infested with third-instar nymphs of greenhouse whitefly. After air-drying, the tomatoes were kept standing in an isolation greenhouse.
Ten days after the treatment, the number of survived nymphs o~ greenhouse whitefly were counted to calculate the mortarity.
,~"
~;~08~2~
. the number of surv ved _ymphs) x 100 Morta(l%)ty (1 the number of nymphs used 1 The test was repeated two-times.
The results obtained were as shown in Table 1.
Table 1 . Concent- No. of Mortality . ration nymphs (%) (ppm) used _ _ .
The 100 80 100 present 50 75 100 invention25 73 100 Chemical 10 82 90 treatment (plot) 500 88 70 .
Untreatment (plot) 93 0 *0,0-dimechyl-S-[2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl]dithiophosphate Test example 2 Control ëffect on citrus spiny whitefly Test methodo A test solution was sprayed by a spray gun over the potted young tree of satsuma mandarin (Citrus Unshiu) infested with second-inskar nymphs of citrus spiny whitefly.
After alr-drying, the satsuma mandarin .- - 8 -1 was kept standing in a greenhouse.
Ten days after the treatment, the number of survived nymphs of citrus spiny whitefly were counted to calculate the mortality in accordance with the formula in the test example 1. The results obtained were as shown in Table 2.
Table 2 Concent- No. of Mortality ration nymphs (%) (ppm) used _ The 100 78 100 present50 80 100 invention Chemical 25 70 90 treatment 10 65 80 DMTP
250 75 ~0 _ L 100 72 20 Untreatment _ L_ Test example 3 Control effect on pear sucker Test method:
A test solution was sprayed by means of a spray gun over the potted young trees of pear infested with first-instar nymph of pear suckerO
1 After air-drying, the pears were kept standing in a greenhouse.
Ten days after the treatment, the number of survived nymphs of pear sucker were counted to calculate the mortality in accordance with the formula in the test example 1.
The test was repeated two times.
The results obtained were as shown in Table 3.
Table 3 _ _ Concent- No. of Mortality ration nymphs (%) (ppm) used Chemical The present 25 50 100 treatment invention (plot~ _ * _ P~P 25 _ 50 60 Untreatmelnt ~ 50 0 **PAP: S-~a-(ethoxycarbonyl)benzyl]
dimethyl phosphorothialothionate The formulation examples are shown below.
In the examples, all parts are by weight.
Example 1 A wettable powder was prepared by uniformly mixing the following ingredients:
~2~
active ingredient25 parts mixture of kaolin and70 parts white carbon mixture of polyoxyethylene nonylphenyl ether an~ calcium alkylbenzenesulfonate5 parts 1 Example 2 An emulsifiable concentrate was prepared by uniformly mixing the following ingredients~
active ingredient50 parts xylene 40 parts mixture of polyoxyethylene nonylphenyl ether and calcium 10 parts alkylbenzenesulfonate Example 3 A dust composition was prepared by uniformly blending the following ingredients:
active ingredient 3 parts powdered clay 82 parts powdered diatomaceous earth 15 parts Example 4 A flow dust composition was prepared by mixing and finely grinding the following ingredients:
active ingredient 30 parts white carbon 70 parts , 1 Example 5 An aerosol composition was prepared by uniformly mixing the following ingredients and 50 wt.~ of the mixture and dimethylether were filled up in a can.
active ingredient 0.1 part isopropyl alcohol 37.9 parts methyl cellosolve 12 parts
allofuranuronic acid ~-D-monocarbamate (Common name~
polyoxin), 2,6-dichloro-4-nitroaniline (Common name: CNA), 2-sec-butyl-4,6-dinitrophenyl 3-methyl-crotonate (Common name: binapacryl), 5-butyl-2-dimethylamino-6-methyl-pyrimidin-4-ol ICommon name: dimethirinol), 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-l-yl)-2-butanone (Common name: triadimefon), Butyl 4-tert-butylbenzyl N-(3-pyridyl) dithiocarbonimidate (Common name: buthiobate), 1,4-bis(2,2,2-trichloro-1-formamidoethyl) piperazine (Common name: triforine), 1,2,3,6-tetrahydro-N-(1,1,2,2-tetrachloro-ethylthio)phthalimide (Common name: difolatan), tetrachloroisophthalonitrile (Common name~ TPN), 1 1,2,3,6-tetrahydro-N-(trichloromethylthio~
phthalimide (Common name: captan), 4,4',6,6'-tetramethyl-3,3'-ethylenebls-(tetrahydro-1,3,5-thiadiazine-2-thione) ~Common name:
thiadiazine), N-dichlorofluoromethylthio~N',N'-dimethyl-N-phenylsulphamide (Common name-: dichlofluamid), Methyl N-(2-methoxyacetyl)-N~(2,6-xylyl)-DL-alaninate (Common name: metalaxyl), Aluminium tris(ethyl phosphonate) (Commercial name: Aliette), 1-(2-cyano-2-methoxyiminoacetyl)-3-ethylurea (Commercial name: Curzate) and Dithiocarbamate type fungicides.
Test examples and formulation examples are shown below.
Test example 1 Control effect on greenhouse whitefly Test method:
A test solution was sprayed by a spray gu~
over the potted tomato plants infested with third-instar nymphs of greenhouse whitefly. After air-drying, the tomatoes were kept standing in an isolation greenhouse.
Ten days after the treatment, the number of survived nymphs o~ greenhouse whitefly were counted to calculate the mortarity.
,~"
~;~08~2~
. the number of surv ved _ymphs) x 100 Morta(l%)ty (1 the number of nymphs used 1 The test was repeated two-times.
The results obtained were as shown in Table 1.
Table 1 . Concent- No. of Mortality . ration nymphs (%) (ppm) used _ _ .
The 100 80 100 present 50 75 100 invention25 73 100 Chemical 10 82 90 treatment (plot) 500 88 70 .
Untreatment (plot) 93 0 *0,0-dimechyl-S-[2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl]dithiophosphate Test example 2 Control ëffect on citrus spiny whitefly Test methodo A test solution was sprayed by a spray gun over the potted young tree of satsuma mandarin (Citrus Unshiu) infested with second-inskar nymphs of citrus spiny whitefly.
After alr-drying, the satsuma mandarin .- - 8 -1 was kept standing in a greenhouse.
Ten days after the treatment, the number of survived nymphs of citrus spiny whitefly were counted to calculate the mortality in accordance with the formula in the test example 1. The results obtained were as shown in Table 2.
Table 2 Concent- No. of Mortality ration nymphs (%) (ppm) used _ The 100 78 100 present50 80 100 invention Chemical 25 70 90 treatment 10 65 80 DMTP
250 75 ~0 _ L 100 72 20 Untreatment _ L_ Test example 3 Control effect on pear sucker Test method:
A test solution was sprayed by means of a spray gun over the potted young trees of pear infested with first-instar nymph of pear suckerO
1 After air-drying, the pears were kept standing in a greenhouse.
Ten days after the treatment, the number of survived nymphs of pear sucker were counted to calculate the mortality in accordance with the formula in the test example 1.
The test was repeated two times.
The results obtained were as shown in Table 3.
Table 3 _ _ Concent- No. of Mortality ration nymphs (%) (ppm) used Chemical The present 25 50 100 treatment invention (plot~ _ * _ P~P 25 _ 50 60 Untreatmelnt ~ 50 0 **PAP: S-~a-(ethoxycarbonyl)benzyl]
dimethyl phosphorothialothionate The formulation examples are shown below.
In the examples, all parts are by weight.
Example 1 A wettable powder was prepared by uniformly mixing the following ingredients:
~2~
active ingredient25 parts mixture of kaolin and70 parts white carbon mixture of polyoxyethylene nonylphenyl ether an~ calcium alkylbenzenesulfonate5 parts 1 Example 2 An emulsifiable concentrate was prepared by uniformly mixing the following ingredients~
active ingredient50 parts xylene 40 parts mixture of polyoxyethylene nonylphenyl ether and calcium 10 parts alkylbenzenesulfonate Example 3 A dust composition was prepared by uniformly blending the following ingredients:
active ingredient 3 parts powdered clay 82 parts powdered diatomaceous earth 15 parts Example 4 A flow dust composition was prepared by mixing and finely grinding the following ingredients:
active ingredient 30 parts white carbon 70 parts , 1 Example 5 An aerosol composition was prepared by uniformly mixing the following ingredients and 50 wt.~ of the mixture and dimethylether were filled up in a can.
active ingredient 0.1 part isopropyl alcohol 37.9 parts methyl cellosolve 12 parts
Claims (13)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method of controlling whiteflies, psyllids or suckers, which method comprises applying an effective amount of 2-t-butylimino-3-isopropyl-5-phenyl-tetrahydro-1,3,5-thiadiazin-4-one to the target insect or habitat thereof.
2. The method according to claim 1, wherein the insecticide is applied in the range of 5 to 500 g/10 a to an area where the target insect inhabits or is expected to inhabit.
3. The method according to claim 2, wherein the insecticide is applied in the form of a composition containing the said insecticide as active ingredient with an inert diluent.
4. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to whiteflies or habitat thereof.
5. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to psyllids or habitat thereof.
6. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to suckers or habitat thereof.
7. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to greenhouse whiteflies or habitat thereof.
8. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to grape whiteflies or habitat thereof.
9. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to strawberry whiteflies or habitat thereof.
10. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to pear suckers or habitat thereof.
11. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to spotted jumping plant lice or habitat thereof.
12. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to black apple suckers or habitat thereof.
13. The method according to claim 1, 2 or 3, wherein the said insecticide is applied to tomato plants infested with greenhouse whiteflies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000425389A CA1208126A (en) | 1983-04-07 | 1983-04-07 | Method for controlling whiteflies, and psyllids and suckers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000425389A CA1208126A (en) | 1983-04-07 | 1983-04-07 | Method for controlling whiteflies, and psyllids and suckers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1208126A true CA1208126A (en) | 1986-07-22 |
Family
ID=4124954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000425389A Expired CA1208126A (en) | 1983-04-07 | 1983-04-07 | Method for controlling whiteflies, and psyllids and suckers |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1208126A (en) |
-
1983
- 1983-04-07 CA CA000425389A patent/CA1208126A/en not_active Expired
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