AU2021106309A4 - Insecticidal Composition Containing Chlorfenapyr and Thiamethoxam - Google Patents
Insecticidal Composition Containing Chlorfenapyr and Thiamethoxam Download PDFInfo
- Publication number
- AU2021106309A4 AU2021106309A4 AU2021106309A AU2021106309A AU2021106309A4 AU 2021106309 A4 AU2021106309 A4 AU 2021106309A4 AU 2021106309 A AU2021106309 A AU 2021106309A AU 2021106309 A AU2021106309 A AU 2021106309A AU 2021106309 A4 AU2021106309 A4 AU 2021106309A4
- Authority
- AU
- Australia
- Prior art keywords
- chlorfenapyr
- thiamethoxam
- polyoxyethylene ether
- insecticidal composition
- sulfate
- 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.)
- Ceased
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- CWFOCCVIPCEQCK-UHFFFAOYSA-N chlorfenapyr Chemical compound BrC1=C(C(F)(F)F)N(COCC)C(C=2C=CC(Cl)=CC=2)=C1C#N CWFOCCVIPCEQCK-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000005941 Thiamethoxam Substances 0.000 title claims abstract description 82
- 239000000203 mixture Substances 0.000 title claims abstract description 42
- 230000000749 insecticidal effect Effects 0.000 title claims abstract description 30
- NWWZPOKUUAIXIW-FLIBITNWSA-N thiamethoxam Chemical compound [O-][N+](=O)\N=C/1N(C)COCN\1CC1=CN=C(Cl)S1 NWWZPOKUUAIXIW-FLIBITNWSA-N 0.000 title claims abstract 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 13
- 241000134979 Ceratovacuna lanigera Species 0.000 claims abstract description 11
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- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 244000020551 Helianthus annuus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- 241000594036 Liriomyza Species 0.000 description 1
- 241000244206 Nematoda Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 102000004316 Oxidoreductases Human genes 0.000 description 1
- 108090000854 Oxidoreductases Proteins 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 241000907661 Pieris rapae Species 0.000 description 1
- 241000500437 Plutella xylostella Species 0.000 description 1
- CUPRKSFMHRXAFA-NSHDSACASA-N Pyrroxamycin Chemical compound ClC1=C(Cl)NC([C@@H]2C3=CC(Cl)=CC(Cl)=C3OCO2)=C1[N+](=O)[O-] CUPRKSFMHRXAFA-NSHDSACASA-N 0.000 description 1
- 241000256248 Spodoptera Species 0.000 description 1
- 241000256247 Spodoptera exigua Species 0.000 description 1
- 241000985245 Spodoptera litura Species 0.000 description 1
- 241000187747 Streptomyces Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000642 acaricide Substances 0.000 description 1
- 229940022698 acetylcholinesterase Drugs 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 210000003470 mitochondria Anatomy 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 239000005645 nematicide Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Insects & Arthropods (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a compound composition, and provides an insecticidal
composition containing chlorfenapyr and thiamethoxam, which is mainly used for
controlling Ceratovacuna lanigera, Fulmekiola serratus, sugarcane borers,
armyworms, Spodoptera frugiperda and locusts, etc., and has obvious synergistic
effect, good control effect, long lasting period and slow drug resistance. The
insecticidal composition containing chlorfenapyr and thiamethoxam comprises the
following effective components: chlorfenapyr and thiamethoxam. Where in the weight
ratio of chlorfenapyr to thiamethoxam is (1-90: 90-1). The invention aims to provide a
synergistic pesticide composition with reasonable mixing ratio, good control effect
and low drug cost. Another purpose is to provide the dosage form prepared from the
pesticide composition as suspending agent, water dispersible granule, emulsion in
water, microemulsion, emulsifiable concentrate, ultra-low volume liquid, wettable
powder or granule.
Description
Insecticidal Composition Containing Chlorfenapyr and Thiamethoxam
The invention belongs to the technical field of pesticide compounding, and
particularly relates to an insecticidal composition containing chlorfenapyr and
thiamethoxam.
Chlorfenapyr is an aryl pyrrole compound. It is a kind of insecticidal, acaricidal
and nematicidal agent successfully developed by American Cyanamid Company on
the basis of dioxapyrrolomycin isolated from metabolites of Streptomyces fungi in
1985. It acts on mitochondria of cells in insects and acts through multifunctional
oxidase in insects, and mainly inhibits the transformation from ADP to ATP; ATP
stores the energy necessary for cells to maintain their vital functions.
The medicine has the effects of stomach toxicity and contact killing, has strong
permeability on leaf surface, has certain systemic action, and has the characteristics of
wide insecticidal spectrum, safety, long lasting period and high control effect, and can
control resistant pests. Chlorfenapyr is a broad-spectrum and highly effective
insecticide and acaricide, which can be used to control lepidoptera and homoptera
pests in vegetables, fruit trees and field crops, such as Plutella xylostella, Pieris rapae,
Spodoptera exigua, Spodoptera litura, vegetable borer, vegetable aphid, liriomyza
sativae and thrips, etc.
Thiamethoxam, also known as actara, was developed by Swiss Novartis (now
Syngenta Company) in 1991 and launched in 1997. It is a second generation nicotine insecticide with high efficiency and low toxicity and with a new structure. Its action mechanism can selectively inhibit nicotinic acid acetylcholinesterase receptor in insect central nervous system, and then block the normal conduction of insect central nervous system, resulting in paralysis and death of pests. The medicine not only has contact killing, stomach poisoning and systemic activity, but also has higher activity, better safety, wider insecticidal spectrum, faster action speed and longer lasting period, which can effectively control pests such as Lepidoptera, Coleoptera and
Thysanoptera, especially has high activity against Homopteran pests, and can
effectively control various aphids, leafhoppers, planthoppers, whiteflies, beetle larvae
and potato beetles, nematodes, ground beetles, leaf miners and various types of
chemical pesticides are resistant to pests. Thiamethoxam can be used for stem and leaf
treatment, seed treatment and soil treatment; its suitable crops are rice crops, sugar
beet, rape, potato, cotton, kidney bean, fruit tree, peanut, sunflower, soybean, tobacco
and orange.
Sugarcane is the main sugar crop in China, and diseases and insect pests are its
greatest threat. In recent years, with the abnormal climate change, the reform of
farming system, the adjustment of planting structure, the optimization of variety
layout and the abuse of chemical pesticides, the frequent pests such as sugarcane
borers, sugarcane woolly aphid and sugarcane thrips have been in a constant trend;
incidence frequency of sudden dangerous pests such as armyworms, Spodoptera
frugiperda and locusts increased, which brought great losses to sugarcane production.
At present, chemical control is the main way to control sugarcane diseases and insect pests, and chemical pesticides are effective quickly. However, due to its long-term single application, the drug resistance of diseases and insects is obviously enhanced, and the dosage and frequency of use are increased, which leads to the increase of control cost, environmental pollution and damage to natural enemies. At present, pesticide compounding is the main measure to delay drug resistance, expand control spectrum, reduce control cost and improve control effect. Therefore, it is of great significance for sugarcane production to develop a pesticide that can prevent and control many main pests of sugarcane at the same time.
The invention relates to a compound composition, and provides an insecticidal
composition containing chlorfenapyr and thiamethoxam, which is mainly used for
controlling Ceratovacuna lanigera, Fulmekiola serratus, sugarcane borers,
armyworms, Spodoptera frugiperda and locusts, etc., and has obvious synergistic
effect, good control effect, long lasting period and slow drug resistance.
The purpose of the present invention is to provide a synergistic pesticide
composition with reasonable mixing ratio, good control effect and low drug cost.
Another purpose is to provide the dosage form prepared from the pesticide
composition as suspending agent, water dispersible granule, emulsion in water,
microemulsion, emulsifiable concentrate, ultra-low volume liquid, wettable powder or
granule.
To achieve the above purpose, the present invention provides the following
scheme:
The active ingredients of an insecticidal composition containing chlorfenapyr
and thiamethoxamthe are chlorfenapyr and thiamethoxam, wherein the weight ratio of
chlorfenapyr to thiamethoxam is 1-90: 90-1.
Preferably, the total weight ratio of the active ingredients chlorfenapyr and
thiamethoxam in the insecticidal composition is 1%- 8 0 %.
Preferably, the insecticidal composition further comprises a carrier and an
auxiliary agent; the carrier is one or more of water, organic solvent or filler.
Preferably, the organic solvent is selected from one or more of cyclohexanone,
N,N-dimethyl decanamide, N-methyl pyrrolidone, ethyl acetate, sec-butyl acetate,
methyl oleate, toluene, xylene, benzyl alcohol, methanol, ethanol, isopropanol,
n-butanol, solvent oil or turpentine.
The filler is selected from one or more of kaolin, diatomite, bentonite, attapulgite,
white carbon black, starch or light calcium carbonate.
The assistant is surfactant or/and other functional assistants, and the surfactant is
one or more of emulsifier, dispersant, wetting agent or penetrant;
And that other functional assistant is one or more of antifreeze, thickening agent,
stabilize, disintegrating agent or defoaming agent.
Preferably, the emulsifier is selected from one or more of alkylphenol
polyoxyethylene ether, benzyl phenol polyoxyethylene ether, styryl phenol
polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol
polyoxyethylene ether, fatty alcohol polyoxyethylene ester, alkylbenzene sulfonate or
fatty alcohol polyoxyethylene ether.
The dispersant is selected from one or more of polycarboxylate, lignosulfonate,
alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium
alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium
salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid
polyoxyethylene ether or glycerol fatty acid ester polyoxyethylene ether.
The wetting agent is selected from one or more of sodium dodecyl sulfate,
calcium dodecyl benzene sulfonate, kaila powder BX, tea saponin, sodium alkyl
naphthalene sulfonate, alkylphenol polyoxyethylene ether, fatty alcohol
polyoxyethylene ether, fatty acid or fatty acid ester sulfate.
The antifreeze is selected from one or more of ethylene glycol, propylene glycol,
glycerol or urea.
The thickener is selected from one or more of xanthan gum, Arabic gum,
bentonite, magnesium aluminum silicate, polyvinyl alcohol, carboxymethyl cellulose,
guar gum or sodium alginate.
The disintegrant is selected from one or more of bentonite, urea, sodium sulfate,
ammonium sulfate, aluminum chloride, calcium nitrate, magnesium nitrate, succinic
acid or sodium bicarbonate.
The defoaming agent is selected from one or more of silicone oil, silicone
compounds, C1O-C20 saturated fatty acid compounds or C8-10 fatty alcohol
compounds.
The stabilizer is selected from one or more of epoxidized soybean oil,
epichlorohydrin, BHT, ethyl acetate or triphenyl phosphate;
Preferably, the formulation of the insecticidal composition is suspending agent,
water dispersible granule, emulsion in water, microemulsion, emulsifiable concentrate,
ultra-low volume liquid, wettable powder or granule.
Yet another aspect of that present invention is to provide an application of the
insecticidal composition of chlorfenapyr and thiamethoxam according to claim 1 in
pest control.
Preferably, the pests include Ceratovacuna lanigera, Fulmekiola serratus,
sugarcane borers, armyworms, Spodopterafrugiperdaand locusts.
The method has the beneficial effects that:
1. The insecticidal composition has obvious synergistic effect within the
proportioning range, and the efficacy is greatly improved;
2. The pesticide effect of the insecticidal composition is improved, the field
dosage of active ingredients is reduced, the production and use costs are reduced, and
pesticide residues and environmental pollution are reduced;
3. Insecticidal compositions have different mechanisms of action, different
quick-acting effects, and different control objects, so the two agents have
complementary advantages, which can overcome the defect that a single agent is easy
to produce resistance under continuous selective pressure.
The following describes the invention in further detail with examples, but the
embodiment of the invention is not limited to the range expressed in the examples.
Example 1: 60% chlorfenapyr • thiamethoxam suspending agent
Formula: chlorfenapyr 10%, thiamethoxam 50%, polycarboxylate 2%, fatty
alcohol polyoxyethylene ether 2%, ethylene glycol 4%, magnesium aluminum silicate
1%, xanthan gum 0.12%, silicone defoamer 0.3%, and water as the balance.
The preparation method comprises the following steps: weighing materials
according to the above mass percentage, uniformly mixing water, polycarboxylate,
fatty alcohol polyoxyethylene ether, ethylene glycol, magnesium aluminum silicate,
xanthan gum and silicone defoaming agent, then adding chlorfenapyr and
thiamethoxam while stirring. Mixing and shearing the above materials for 30 minutes,
so that the materials are evenly mixed. Grinding in a sand mill until the particle size
D90 is less than 5 microns to obtain the suspending agent.
Example 1: 25% chlorfenapyr • thiamethoxam suspending agent
Formula: chlorfenapyr 20%, thiamethoxam 5%, cyclohexanone-formaldehyde
polycondensate 3%, alkylphenol polyoxyethylene ether 3%, urea 4%, magnesium
aluminum silicate 0.5%, xanthan gum 0.1%, silicone defoamer 0. 3 %, and water as the
balance.
The preparation method comprises the following steps: weighing materials
according to the above mass percentage, uniformly mixing water, cyclohexanone
formaldehyde polycondensate, alkylphenol polyoxyethylene ether, urea, magnesium
aluminum silicate, xanthan gum and silicone defoaming agent, and then adding
chlorfenapyr and thiamethoxam while stirring. Mixing and shearing the above
materials for 30 minutes, so that the materials are evenly mixed. Grinding in a sand mill until the particle size D90 is less than 5 microns to obtain the suspending agent.
Example 3: 75% chlorfenapyr • thiamethoxam water dispersible granules
Formula: chlorfenapyr 10%, thiamethoxam 65%, lignosulfonate 2%,
polycarboxylate 6%, sodium dodecyl sulfate 3%, white carbon black 2%, ammonium
sulfate 10%, polyvinyl alcohol 0.1%, and kaolin as the balance.
The preparation method comprises the following steps: weighing the materials
according to the above mass percentage, putting the chlorfenapyr, thiamethoxam,
lignosulfonate, polycarboxylate, sodium dodecyl sulfate, white carbon black,
ammonium sulfate and kaolin into a mixer for uniform mixing, and then carrying out
airflow crushing. Adding the materials crushed by airflow into a mixer, spraying an
aqueous solution containing polyvinyl alcohol for kneading, extruding and
granulating, and drying at 50-80 deg C until the water content is qualified to obtain
the water dispersible granule.
Example 4: 30% chlorfenapyr • thiamethoxam water dispersible granules
Formula: chlorfenapyr 25%, thiamethoxam 5%, cyclohexanone-formaldehyde
polycondensate 4%, polycarboxylate 6%, sodium dodecyl sulfate 3%, white carbon
black 2%, sodium sulfate 10%, starch 4%, and diatomite as the balance.
The preparation method comprises the following steps: weighing the materials
according to the above mass percentage, putting the chlorfenapyr, thiamethoxam,
cyclohexanone formaldehyde polycondensate, polycarboxylate, sodium dodecyl
sulfate, white carbon black, sodium sulfate, starch and diatomite into a mixer for
uniform mixing, and then carrying out airflow crushing. Adding the materials crushed by airflow into a mixer, spraying an aqueous solution containing starch for kneading, extruding and granulating, and drying at 50-80 DEG C until the water content is qualified to obtain the water dispersible granule.
Example 5: 55% chlorfenapyr • thiamethoxam emulsion in water
The formula: chlorfenapyr 5%, thiamethoxam 50%, xylene 8%, N,N-dimethyl
decanamide 10%, phenethyl phenol polyoxyethylene propylene ether 3%, fatty
alcohol polyoxyethylene ether formaldehyde polycondensate sulfate 2%, ethylene
glycol 5%, and water as the balance.
The preparation method comprises the following steps: weighing materials
according to the above mass percentage, putting xylene, N,N-dimethyl decanamide,
phenethyl phenol polyoxyethylene polyoxypropylene ether, fatty alcohol
polyoxyethylene ether formaldehyde polycondensate sulfate, chlorfenapyr and
thiamethoxam into a reaction kettle, uniformly mixing and stirring to obtain an oil
phase, adding ethylene glycol into water, mixing uniformly to obtain water phase,
adding oil phase into water phase under high-speed shear stirring at 3000 rpm, and
shearing and dispersing for 1 hour to obtain water emulsion.
Example 6: 12% chlorfenapyr • thiamethoxam emulsion in water.
The formula: chlorfenapyr 10%, thiamethoxam 2%, cyclohexanone 10%,
N,N-dimethyl decanamide 20%, fatty alcohol polyoxyethylene ether 3%, fatty alcohol
polyoxyethylene ether formaldehyde polycondensate sulfate 4%, urea 4%, and water
as the balance.
The preparation method comprises the following steps of: weighing materials according to the above mass percentage, putting cyclohexanone, N,N-dimethyl decanamide, fatty alcohol polyoxyethylene ether, fatty alcohol polyoxyethylene ether formaldehyde polycondensate sulfate, chlorfenapyr and thiamethoxam into a reaction kettle, uniformly mixing and stirring to obtain an oil phase, adding urea into water, mixing uniformly to obtain water phase, adding oil phase into water phase under high-speed shearing and stirring at 3000 rpm, and shearing and dispersing for 1 hour to obtain water emulsion.
Example 7: 50% chlorfenapyr • thiamethoxam microemulsion
The formula: chlorfenapyr 10%, thiamethoxam 40%, cyclohexanone 10%,
N,N-dimethyl decanamide 10%, fatty alcohol polyoxyethylene ether 2%, fatty alcohol
polyoxyethylene ether formaldehyde polycondensate sulfate 4%, calcium
dodecylbenzenesulfonate 5%, and water as the balance.
The preparation method comprises the following steps: weighing materials
according to the above mass percentage, putting cyclohexanone, N,N-dimethyl
decanamide, fatty alcohol polyoxyethylene ether, fatty alcohol polyoxyethylene ether
formaldehyde polycondensate sulfate, calcium dodecylbenzenesulfonate, chlorfenapyr
and thiamethoxam into a reaction kettle, uniformly mixing and stirring to obtain an oil
phase, adding water into the oil phase, and uniformly stirring and mixing to obtain the
emulsion.
Example 8: 35% chlorfenapyr • thiamethoxam microemulsion
Formula: chlorfenapyr 30%, thiamethoxam 5%, cyclohexanone 5%, xylene 20%,
fatty alcohol polyoxyethylene ether 2%, fatty alcohol polyoxyethylene ether formaldehyde polycondensate sulfate 4%, calcium dodecylbenzenesulfonate 5%, and water as the balance.
The preparation method comprises the following steps: weighing materials
according to the above mass percentage, putting cyclohexanone, xylene, fatty alcohol
polyoxyethylene ether, fatty alcohol polyoxyethylene ether formaldehyde
polycondensate sulfate, calcium dodecylbenzenesulfonate, chlorfenapyr and
thiamethoxam into a reaction kettle, uniformly mixing and stirring to obtain an oil
phase, adding water into the oil phase, and uniformly stirring and mixing to obtain the
microemulsion.
Example 9: 20% chlorfenapyr • thiamethoxam EC
The formula: chlorfenapyr 10%, thiamethoxam 10%, N,N-dimethyl decanamide
%, agricultural milk 500#3%, agricultural milk 600#5%, xylene as the balance.
The preparation method comprises the following steps: weighing the materials
according to the above mass percentage, adding the chlorfenapyr and thiamethoxam
into the solvent, fully dissolving, then adding other assistants, stirring uniformly, and
then becoming a uniform and transparent oily liquid, thus obtaining the emulsifiable
concentrate.
Example 10: 45% chlorfenapyr • thiamethoxam EC
Formula: chlorfenapyr 5%, thiamethoxam 40%, cyclohexanone 20%, agricultural
milk 500#4%, agricultural milk 601#6%, xylene as the supplement as the balance.
The preparation method comprises the following steps: weighing the materials
according to the above mass percentage, adding the chlorfenapyr and thiamethoxam into the solvent, fully dissolving, then adding other assistants, stirring uniformly, and then becoming a uniform and transparent oily liquid, thus obtaining the emulsifiable concentrate.
Example 11: ultra-low volume liquid of 65% chlorfenapyr • thiamethoxam
Formula: chlorfenapyr 5%, thiamethoxam 60%, N,N-dimethyl decanamide 5%,
fatty alcohol polyoxyethylene ether formaldehyde condensate sulfate 4%, calcium
dodecylbenzenesulfonate 3%, and solvent oil as the balance.
The preparation method comprise that following step: weighing the materials
according to the above mas percentage, and mixing and stirring the raw materials, the
solvent and the emulsifier to dissolve into a uniform oil phase, so as to obtain the
ultra-low volume liquid.
Example 12: ultra-low volume liquid of 40% chlorfenapyr • thiamethoxam
Formula: chlorfenapyr 30%, thiamethoxam 10%, N,N-dimethyl decanamide 30%,
fatty alcohol polyoxyethylene ether formaldehyde condensation polymer sulfate 1%,
calcium dodecylbenzenesulfonate 5%, and solvent oil as the balance.
The preparation method comprise that following step: weighing the materials
according to the above mas percentage, and mixing and stirring the raw materials, the
solvent and the emulsifier to dissolve into a uniform oil phase, thus obtaining the
ultra-low volume liquid.
Example 13: 25% chlorfenapyr • thiamethoxam wettable powder
Formula: chlorfenapyr 5%, thiamethoxam 20%, lignosulfonate 4%,
cyclohexanone formaldehyde polycondensate 2%, sodium dodecyl sulfate 2%, white carbon black 4%, and kaolin as the balance.
The preparation method comprises the following steps of: weighing the materials
according to the above mass percentage, putting the chlorfenapyr, thiamethoxam,
lignosulfonate, cyclohexanone formaldehyde polycondensate, sodium dodecyl sulfate,
white carbon black and kaolin into a mixing stirrer, uniformly stirring, and crushing
by air flow until the mixture is finely sieved by a 325-mesh sieve to obtain the
wettable powder.
Example 14: 35% chlorfenapyr • thiamethoxam wettable powder
Formula: chlorfenapyr 5%, thiamethoxam 30%, lignosulfonate 3%,
cyclohexanone formaldehyde polycondensate 4%, sodium dodecyl sulfate 3%, white
carbon black 2%, and kaolin as the balance.
The preparation method comprises the following steps of: weighing the materials
according to the above mass percentage, putting the chlorfenapyr, thiamethoxam,
lignosulfonate, cyclohexanone formaldehyde polycondensate, sodium dodecyl sulfate,
white carbon black and kaolin into a mixing stirrer, uniformly stirring, and crushing
by air flow until the mixture is finely sieved by a 325 mesh sieve to obtain the
wettable powder.
Example 15: 8% chlorfenapyr • thiamethoxam granules
The formula: chlorfenapyr 5%, thiamethoxam 3%, sodium dodecyl sulfate 0.8%,
sodium alkyl naphthalene formaldehyde condensate 0.9%, rhodamine B 0.4%,
bentonite to makeup to 100%.
The preparation method comprises the following steps: weighing the materials according to the above mass percentage, uniformly mixing all the materials, adding a certain amount of water to knead the mixture, extruding and granulating, and drying and sieving to obtain granules.
Example 16: 6% chlorfenapyr • thiamethoxam granules
Formula: 1% chlorfenapyr, 5% thiamethoxam, 0.8% sodium dodecyl sulfate,
0.9% lignosulfonate, 0.4% rhodamine B and bentonite as the balance.
The preparation method comprises the following steps: weighing the materials
according to the above mass percentage, uniformly mixing all the materials, adding a
certain amount of water to knead the mixture, extruding and granulating, and drying
and sieving to obtain granules.
Application of Example
Field efficacy of chlorfenapyr, thiamethoxam and mixture of chlorfenapyr and
thiamethoxam on sugarcane borer and sugarcane woolly aphid Ceratovacuna
lanigera.
1. Test crop: sugarcane. Control objects: sugarcane borer and C. lanigera. Test
reagents: 10% chlorfenapyr suspension, 25% thiamethoxam water dispersible
granules, 60% chlorfenapyr thiamethoxam suspension (Example 1) and 30%
chlorfenapyr thiamethoxam water dispersible granules (Example 4).
2. The experiment was set up in the experimental base of Sugarcane Research
Institute of Yunnan Academy of Agricultural Sciences. The soil type of the tested
sugarcane field is paddy soil, with flat terrain, medium fertility, convenient irrigation
and drainage, and sugarcane has been planted for many years. In the whole study, the experiment was set up from two periods, i.e., the sowing period of sugarcane and the big ridging period. In the next planting period, the control object was sugarcane borer, and in the big ridging period, the control object was C. lanigera.
3. Experiment of sugarcane planting period: newly planted sugarcane, Yunzhe
01-1413, with 120,000 buds /hm 2, planting row spacing of 1 m, and applying
pesticide when planting. Experiment of sugarcane in big ridging period: 1-year-old
root sugarcane, variety Yunzhe 01-1413, planting row spacing of 1 m. Combined with
large-scale cultivation of sugarcane, sugarcane fields with uniform growth of
sugarcane seedlings were selected. The experiment consisted of 5 treatments, 3
repetitions and random block arrangement, with a plot area of 60 m 2 (6 mx10 rows).
According to the treatment dosage, the pesticide and the base fertilizer were mixed
evenly, and then applied to the sugarcane ditch for planting, while the blank control
was only fertilized. Mixing method: first dilute or dissolve the pesticide with proper
amount of clear water (the ratio of water to medicine is controlled at about 1:2), then
add 2-3 kg of calcium superphosphate and mix it together to fully disperse it, and
finally mix it with the remaining fertilizer before it can be applied; the blank control
was directly mixed with fertilizer and then applied.
4. Time and method of field investigation: The experiment of sugarcane planting
period was carried out after the withered seedlings damaged by borer had stabilized.
The total number of sugarcane seedlings and the number of withered seedlings
damaged by borers were recorded respectively, and then the heart rate and control
effect of borers were calculated. The experiment of sugarcane in big ridging period was investigated 15 days, 30 days and 45 days after treatment. C. lanigera: record the total number of plants and the number of aphids in each plot, and then calculate the rate of aphids.
The formula for calculating the test control effect is as follows:
Heart rate of moth (%)= Number of dead seedlings 100 Total seedlingnumber
The rate of Ceratovacunalanigerawith insects (%)
Number of insectplants X 100 Total number of plants investigated
Control effect (%) =
1- Treatment of dead heart rate (or the rate of insectnumber or insectnumber) x100 Controlof dead heart rate (or the rate of insect number or insectnumber)
Population decline rate of cotton aphids (%) =
(1- Number of live insects after medication )x100 Number of live insects before medication
Control effect (%) =
Treatment of insect declinerate - Controlof insect declinerate )x 100 100-Controlofinsectdeclinerate
5. The test results are shown in Table 1 and Table 2:
Table 1 Control effect of different chemical treatments on sugarcane borers
Average Doameroe Average dead Dead Control Medicament name seedlings/plant heart rate effect or g/mu seedlings damagedbymoth /0 /0 /plant Example 1 100 759 57 7.51 71.40
Example 4 150 771 51 6.66 74.65 10% chlorfenapyr 60 766 63 8.65 67.05 SC 25% thiamethoxam water dispersible 120 728 150 19.46 25.91 granules ck 735 193 26.26
Table 2 Control effect of different chemical treatments on Ceratovacunalanigera
15 days after 30days after 45 days after medication medication medication Medicament Dosage/ml Rate of Rate of Rate of Control Control Control name or g/mu infested infested infested effect effect effect plants plants /0 plants /% (0) (0) (0)
100.00 Example 1 100 0.35 88.78 0.00 a 0.00 100.00 Example 4 150 0.49 84.29 1.21 92.52 a 0.32 99.22 10% 60 chlorfenapyr SC 3.05 2.24 14.32 11.44 b 39.53 3.87 25% thiamethoxam 120 water dispersible granules 0.41 86.86 0.89 94.50 a 0.21 99.49 ck 3.12 - 16.17 - 41.12
It can be seen from Table 1 that the control effects of 60% chlorfenapyr
suspension, 30% chlorfenapyr water dispersible granules and 10% chlorfenapyr
suspension on sugarcane borers are all over 67%. Among them, 30% chlorfenapyr
thiamethoxam water dispersible granules had the best prevention and control effect,
reaching 74.65%. It can be seen from Table 2 that the control effects of 60%
chlorfenapyr thiamethoxam suspension, 30% chlorfenapyr thiamethoxam water
dispersible granules and 25% thiamethoxam water dispersible granules on
Ceratovacunalanigera are all over 99%, and the control effect is better. The invention
has obvious synergistic effect and greatly improved drug effect; reduce production
and use costs, reduce pesticide residues and environmental pollution; and is beneficial
to overcoming and delaying the generation of pest drug resistance.
Claims (10)
1. An insecticidal composition containing chlorfenapyr and thiamethoxam,
characterized in that the active ingredients are chlorfenapyr and thiamethoxam,
wherein the weight ratio of chlorfenapyr to thiamethoxam is 1-90: 90-1.
2. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 1, characterized in that the total weight ratio of the active ingredients
chlorfenapyr and thiamethoxam in the insecticidal composition is 1%- 8 0 %.
3. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 1, characterized in that the insecticidal composition further comprises a carrier
and an auxiliary agent.
4. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 3, wherein the carrier is one or more of water, organic solvent or filler.
5. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 4, characterized in that the organic solvent is selected from one or more of
cyclohexanone, N,N-dimethyl decanamide, N-methyl pyrrolidone, ethyl acetate,
sec-butyl acetate, methyl oleate, toluene, xylene, benzyl alcohol, methanol, ethanol,
isopropanol, n-butanol, solvent oil or turpentine;
The filler is selected from one or more of kaolin, diatomite, bentonite, attapulgite,
white carbon black, starch or light calcium carbonate.
6. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 3, characterized in that:
The assistant is surfactant or/and other functional assistants, and the surfactant is one or more of emulsifier, dispersant, wetting agent or penetrant;
And that other functional assistant is one or more of antifreeze, thickening agent,
stabilize, disintegrating agent or defoaming agent.
7. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 6, characterized in that:
The emulsifier is selected from one or more of alkylphenol polyoxyethylene
ether, benzyl phenol polyoxyethylene ether, styryl phenol polyoxyethylene ether,
castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty alcohol
polyoxyethylene ester, alkylbenzene sulfonate or fatty alcohol polyoxyethylene ether;
The dispersant is selected from one or more of polycarboxylate, lignosulfonate,
alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium
alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium
salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid
polyoxyethylene ether or glycerol fatty acid ester polyoxyethylene ether;
The wetting agent is selected from one or more of sodium dodecyl sulfate,
calcium dodecyl benzene sulfonate, kaila powder BX, tea saponin, sodium alkyl
naphthalene sulfonate, alkylphenol polyoxyethylene ether, fatty alcohol
polyoxyethylene ether, fatty acid or fatty acid ester sulfate;
The antifreeze is selected from one or more of ethylene glycol, propylene glycol,
glycerol or urea;
The thickener is selected from one or more of xanthan gum, Arabic gum,
bentonite, magnesium aluminum silicate, polyvinyl alcohol, carboxymethyl cellulose, guar gum or sodium alginate;
The stabilizer is selected from one or more of epoxidized soybean oil,
epichlorohydrin, BHT, ethyl acetate or triphenyl phosphate;
The disintegrant is selected from one or more of bentonite, urea, sodium sulfate,
ammonium sulfate, aluminum chloride, calcium nitrate, magnesium nitrate, succinic
acid or sodium bicarbonate;
The defoaming agent is selected from one or more of silicone oil, silicone
compounds, C1O-C20 saturated fatty acid compounds or C8-10 fatty alcohol
compounds.
8. The insecticidal composition of chlorfenapyr and thiamethoxam according to
claim 1, characterized in that: the formulation of the insecticidal composition is
suspending agent, water dispersible granule, emulsion in water, microemulsion,
emulsifiable concentrate, ultra-low volume liquid, wettable powder or granule.
9. Application of the insecticidal composition of chlorfenapyr and thiamethoxam
according to claim 1 in pest control.
10. The application of the insecticidal composition of chlorfenapyr and
thiamethoxam in controlling pests according to claim 8, characterized in that the pests
include Ceratovacuna lanigera, Fulmekiola serratus, sugarcane borers, armyworms,
Spodopterafrugiperdaand locusts.
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| AU2021106309A AU2021106309A4 (en) | 2021-08-21 | 2021-08-21 | Insecticidal Composition Containing Chlorfenapyr and Thiamethoxam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114208851A (en) * | 2021-12-31 | 2022-03-22 | 江西农业大学 | Compound bactericide suitable for preventing and treating greening mildew after citrus picking and preparation method thereof |
-
2021
- 2021-08-21 AU AU2021106309A patent/AU2021106309A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114208851A (en) * | 2021-12-31 | 2022-03-22 | 江西农业大学 | Compound bactericide suitable for preventing and treating greening mildew after citrus picking and preparation method thereof |
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