CN114617131B - Suspending agent containing diflubenzuron and cycloxaprid and application thereof - Google Patents
Suspending agent containing diflubenzuron and cycloxaprid and application thereof Download PDFInfo
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- CN114617131B CN114617131B CN202210354566.9A CN202210354566A CN114617131B CN 114617131 B CN114617131 B CN 114617131B CN 202210354566 A CN202210354566 A CN 202210354566A CN 114617131 B CN114617131 B CN 114617131B
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- China
- Prior art keywords
- diflubenzuron
- plutella xylostella
- suspending agent
- cycloxaprid
- insecticidal composition
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- 239000005893 Diflubenzuron Substances 0.000 title claims abstract description 23
- 229940019503 diflubenzuron Drugs 0.000 title claims abstract description 23
- 239000000375 suspending agent Substances 0.000 title claims abstract description 17
- QQQYTWIFVNKMRW-UHFFFAOYSA-N diflubenzuron Chemical compound FC1=CC=CC(F)=C1C(=O)NC(=O)NC1=CC=C(Cl)C=C1 QQQYTWIFVNKMRW-UHFFFAOYSA-N 0.000 title claims abstract 4
- NDHXMRFNYMNBKO-PWSUYJOCSA-N chembl2227757 Chemical compound [O-][N+](=O)C([C@H]1CC[C@H](O1)N1CC2)=C1N2CC1=CC=C(Cl)N=C1 NDHXMRFNYMNBKO-PWSUYJOCSA-N 0.000 title description 7
- 241000500437 Plutella xylostella Species 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 230000000749 insecticidal effect Effects 0.000 claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920001285 xanthan gum Polymers 0.000 claims description 13
- 239000000230 xanthan gum Substances 0.000 claims description 13
- 229940082509 xanthan gum Drugs 0.000 claims description 13
- 235000010493 xanthan gum Nutrition 0.000 claims description 13
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 10
- 239000013530 defoamer Substances 0.000 claims description 10
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 7
- 235000010234 sodium benzoate Nutrition 0.000 claims description 7
- 239000004299 sodium benzoate Substances 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- 229920001400 block copolymer Polymers 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 16
- 241000607479 Yersinia pestis Species 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004480 active ingredient Substances 0.000 abstract description 7
- 206010059866 Drug resistance Diseases 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- XUNYDVLIZWUPAW-UHFFFAOYSA-N (4-chlorophenyl) n-(4-methylphenyl)sulfonylcarbamate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)NC(=O)OC1=CC=C(Cl)C=C1 XUNYDVLIZWUPAW-UHFFFAOYSA-N 0.000 description 19
- 150000001408 amides Chemical class 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 238000009472 formulation Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 9
- 239000000575 pesticide Substances 0.000 description 7
- 239000003814 drug Substances 0.000 description 5
- 230000002195 synergetic effect Effects 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 5
- 240000007124 Brassica oleracea Species 0.000 description 4
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 4
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 4
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 4
- 241000255777 Lepidoptera Species 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 229920005646 polycarboxylate Polymers 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 231100000419 toxicity Toxicity 0.000 description 4
- 230000001988 toxicity Effects 0.000 description 4
- 241000254173 Coleoptera Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000002917 insecticide Substances 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 241000255925 Diptera Species 0.000 description 2
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 102000042094 ryanodine receptor (TC 1.A.3.1) family Human genes 0.000 description 2
- 108091052345 ryanodine receptor (TC 1.A.3.1) family Proteins 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- 241000193388 Bacillus thuringiensis Species 0.000 description 1
- JFLRKDZMHNBDQS-UCQUSYKYSA-N CC[C@H]1CCC[C@@H]([C@H](C(=O)C2=C[C@H]3[C@@H]4C[C@@H](C[C@H]4C(=C[C@H]3[C@@H]2CC(=O)O1)C)O[C@H]5[C@@H]([C@@H]([C@H]([C@@H](O5)C)OC)OC)OC)C)O[C@H]6CC[C@@H]([C@H](O6)C)N(C)C.CC[C@H]1CCC[C@@H]([C@H](C(=O)C2=C[C@H]3[C@@H]4C[C@@H](C[C@H]4C=C[C@H]3C2CC(=O)O1)O[C@H]5[C@@H]([C@@H]([C@H]([C@@H](O5)C)OC)OC)OC)C)O[C@H]6CC[C@@H]([C@H](O6)C)N(C)C Chemical compound CC[C@H]1CCC[C@@H]([C@H](C(=O)C2=C[C@H]3[C@@H]4C[C@@H](C[C@H]4C(=C[C@H]3[C@@H]2CC(=O)O1)C)O[C@H]5[C@@H]([C@@H]([C@H]([C@@H](O5)C)OC)OC)OC)C)O[C@H]6CC[C@@H]([C@H](O6)C)N(C)C.CC[C@H]1CCC[C@@H]([C@H](C(=O)C2=C[C@H]3[C@@H]4C[C@@H](C[C@H]4C=C[C@H]3C2CC(=O)O1)O[C@H]5[C@@H]([C@@H]([C@H]([C@@H](O5)C)OC)OC)OC)C)O[C@H]6CC[C@@H]([C@H](O6)C)N(C)C JFLRKDZMHNBDQS-UCQUSYKYSA-N 0.000 description 1
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000258936 Chrysoperla plorabunda Species 0.000 description 1
- 241000255749 Coccinellidae Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 241000258937 Hemiptera Species 0.000 description 1
- 240000003553 Leptospermum scoparium Species 0.000 description 1
- 235000015459 Lycium barbarum Nutrition 0.000 description 1
- HRYILSDLIGTCOP-UHFFFAOYSA-N N-benzoylurea Chemical compound NC(=O)NC(=O)C1=CC=CC=C1 HRYILSDLIGTCOP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 241000500439 Plutella Species 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 239000005930 Spinosad Substances 0.000 description 1
- 241001414989 Thysanoptera Species 0.000 description 1
- 241000256618 Trichogramma Species 0.000 description 1
- 240000006023 Trichosanthes kirilowii Species 0.000 description 1
- 235000009818 Trichosanthes kirilowii Nutrition 0.000 description 1
- 230000003281 allosteric effect Effects 0.000 description 1
- 229940097012 bacillus thuringiensis Drugs 0.000 description 1
- VEMKTZHHVJILDY-UXHICEINSA-N bioresmethrin Chemical compound CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UXHICEINSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical group CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 229940014213 spinosad Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides an application of an insecticidal composition for preventing and controlling plutella xylostella, wherein the insecticidal composition consists of diflubenzuron and cyclobromaroamide, and the mass ratio of diflubenzuron to cyclobromaroamide is 1:15-15:1; the preparation of the composition is suspending agent. The insecticidal composition has excellent control effect on plutella xylostella, can reduce the dosage of active ingredients, slow down the generation of drug resistance of pests and reduce environmental pollution.
Description
Technical Field
The invention relates to the technical field of pesticides, in particular to a suspending agent containing diflubenzuron and cycloxaprid and application thereof.
Background
The plutella xylostella is lepidoptera in the family of plutella, is the most serious cruciferous vegetable pest in the world at present, has records of occurrence of pests in all countries and regions where cruciferous vegetables are cultivated, and is considered to be lepidoptera insects with the most wide distribution, and more than 40 hosts. The plutella xylostella is long in pest duration, easy to avoid enemy, short in life cycle, strong in reproductive capacity, serious in generation overlapping, capable of overwintering in various insect states, strong in ecological adaptability and drug resistance, mainly uses the larvae as pest leaves in the whole growth period of cruciferous crops, and greatly reduces the quality and yield of the cruciferous crops. According to statistics, the vegetable yield loss of more than 90% can be caused when the plutella xylostella is seriously damaged, and the vegetable yield loss can also reach 10% -20% in the years of lighter damage. At present, the control of plutella xylostella mainly depends on chemical agents.
The status of the insecticide in the control of plutella xylostella is indistinct, but the side effects caused by the insecticide are obvious. The irrational use of pesticides results in the plutella xylostella becoming resistant to multiple pesticides. In 1953, it was first reported that plutella xylostella, of the island, indonesia, developed resistance to trichosanthes kirilowii and toxafen. Subsequently, the drug resistance of plutella xylostella was also reported in countries and regions such as philippines, malaysia, singapore, thailand, indonesia, japan, australia, central america, pakistan, etc. By 2020, plutella xylostella has developed varying degrees of resistance to at least 100 pesticidally active ingredients. Including organic chlorine, organic phosphorus, pyrethroids, carbamates, bacillus thuringiensis (Bt), spinosad, and the like.
The cycloartemia amide is a pesticide with a bisamide structure, which is developed by Japan stone original company, has broad-spectrum insecticidal activity, and can be used for controlling lepidoptera, coleoptera, thysanoptera, diptera and homoptera pests on various crops such as fruit trees, vegetables, potatoes, tea trees, soybeans, cotton and the like. According to the action mechanism classification of the international committee of pesticide resistance action, the main action site of the cycloartemia amide is a ryanodine receptor allosteric body, and unlike other biskulamine pesticides, the agent is not completely a ryanodine receptor agent.
The diflubenzuron is benzoyl urea insecticidal growth regulator and has stomach toxicity and contact killing effect. The mechanism of action is to inhibit the synthesis of insect chitin, has special effect on lepidoptera insect and is effective on coleoptera and diptera insect. The composition has no phytotoxicity to plants, and has no adverse effect on beneficial organisms such as bird, fish, shrimp, frog, bee, ladybug, step beetle, spider, green lacewing, trichogramma, ant, parasitic wasp, etc.
With the continuous rise of the drug resistance of the plutella xylostella, the satisfactory control effect is difficult to achieve by using only one pesticide. In order to slow down the development of resistance of pests to drugs, more and more mixed formulations are used for controlling plutella xylostella.
Disclosure of Invention
The invention aims to provide an insecticidal composition containing diflubenzuron and cycloxaprid, which solves the technical problems of serious pest resistance, environmental pollution and the like in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the application of the insecticidal composition for preventing and controlling plutella xylostella is characterized in that the insecticidal composition consists of diflubenzuron and cycloartemia, and the mass ratio of diflubenzuron to cycloartemia is 1:15-15:1. The mass ratio of the preferred diflubenzuron to the cycloxaprid is 7:1.
The insecticidal composition comprises auxiliary materials and is prepared into a suspending agent. The content of active ingredients in the suspending agent is 5-65%.
Specifically, the suspending agent comprises the following components in percentage by mass: 21% of diflubenzuron, 3% of cycloartemide, 4% of naphthalene sulfonate D-425%, 4% of nonionic hydroxyl polyethylene oxide block copolymer 500LQ, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of ethylene glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
Specifically, the suspending agent comprises the following components in percentage by mass: 21% of diflubenzuron, 3% of cycloartemia amide, 700% of polycarboxylate A, 5% of nonionic hydroxyl polyethylene oxide block copolymer 500LQ, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
Specifically, the suspending agent comprises the following components in percentage by mass: 21% of diflubenzuron, 3% of cycloartemia amide, 700% of polycarboxylate A, 4% of calcium dodecyl benzene sulfonate, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the insecticidal urea and the cycloartemia amide show synergistic effect on plutella xylostella when the mass ratio of the insecticidal urea to the cycloartemia amide is 7:1. When the composition has synergistic effect, the dosage of the active ingredients can be effectively reduced, which is beneficial to slowing down the generation of drug resistance of pests and reducing the harm to the environment.
2. The preparation 1-3 prepared by the invention has better suspension performance. Wherein the suspending properties of the active ingredient in formulation 1 are higher than those of formulations 2-3. The 24% diflubenzuron-cycloxaprid suspending agent prepared by the invention has excellent control effect on plutella xylostella, and when the dosage of the preparation is 25 g/mu, the field control effect on plutella xylostella is more than 85%, and particularly the control effect of 14d after the preparation 1 is used is 96.1%.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
EXAMPLE 1 indoor toxicity determination of diflubenzuron and Cyclofenamide on Plutella xylostella
Testing the medicament: a diflubenzuron technical (A) and a cycloartemia amide technical (B); mixed medicine (A: B) with different proportions
Test object: the plutella xylostella is picked from the field, subculture is carried out indoors (adopting a host plant feeding method; the host plant is cabbage), and in the experimental process, the size and healthy larvae of the plutella xylostella are selected for testing.
The testing method comprises the following steps: the dipping method is adopted. Each test insecticide was set to 6 mass concentration gradients according to the pre-experiment. Fresh cabbage leaves are punched into wafers with the diameter of 10mm by a puncher, soaked in liquid medicine with different mass concentrations for 20s, taken out, dried and placed into a 24-hole plate. 3-instar larvae with the same size are selected to be connected into 24 pore plates with blades placed, each treatment is carried out for 20 heads, and the treatment is repeated for 3 times; a blank control was set. The treatment group and the blank group were placed in a climatic chamber and inspected for 72 hours.
The indoor toxicity measurement data are subjected to statistical analysis by adopting DPS software, and the toxicity regression equation and the middle concentration of death are calculated. And CTC values were used to evaluate the combined effect of the compounded compositions.
As shown in Table 1, the diflubenzuron and the cycloxaprid show different combined actions on the plutella xylostella under different proportioning conditions. The insecticidal composition has a summation effect on plutella xylostella when the mass ratio of the diflubenzuron to the cycloartemia amide is 1:15-3:1 and 10:1-15:1; the insecticidal urea and the cycloartemia amide show synergistic effect on plutella xylostella when the mass ratio of the insecticidal urea to the cycloartemia amide is 7:1. When the composition has synergistic effect, the dosage of the active ingredients can be effectively reduced, which is beneficial to slowing down the generation of drug resistance of pests and reducing the harm to the environment.
TABLE 1 results of indoor toxicity test of diflubenzuron and Cyclodiamide on Plutella xylostella and evaluation of their combined action
Example 2: preparation of suspending agent from composition of diflubenzuron and cycloxaprid
The configuration is performed for the combination having a synergistic effect.
The preparation 1 percent of the diflubenzuron-cycloxaprid suspending agent comprises the following components in percentage by mass:
21% of diflubenzuron, 3% of cycloartemide, 4% of naphthalene sulfonate D-425%, 4% of nonionic hydroxyl polyethylene oxide block copolymer 500LQ, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of ethylene glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
The preparation method comprises the following steps:
and adding the xanthan gum into the ethylene glycol and adding a proper amount of water for standby. The raw materials, wetting dispersant, xanthan gum mother liquor, magnesium aluminum silicate, preservative, defoamer and water are fully mixed according to the formula proportion and dispersed by a high shear. Transferring the materials into a sand mill barrel, adding zirconium beads with the volume ratio of 1:1 equivalent to the materials, and starting the sand mill to sand and discharge materials with proper particle size under the state of introducing cooling water. And checking each control index after defoaming the materials.
The preparation 2 percent of the diflubenzuron-cycloxaprid suspending agent comprises the following components in percentage by mass:
21% of diflubenzuron, 3% of cycloartemia amide, 700% of polycarboxylate A, 5% of nonionic hydroxyl polyethylene oxide block copolymer 500LQ, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
The preparation method comprises the following steps: and adding the xanthan gum into the ethylene glycol and adding a proper amount of water for standby. The raw materials, wetting dispersant, xanthan gum mother liquor, magnesium aluminum silicate, preservative, defoamer and water are fully mixed according to the formula proportion and dispersed by a high shear. Transferring the materials into a sand mill barrel, adding zirconium beads with the volume ratio of 1:1 equivalent to the materials, and starting the sand mill to sand and discharge materials with proper particle size under the state of introducing cooling water. And checking each control index after defoaming the materials.
The preparation 3 comprises the following components in percentage by mass:
21% of diflubenzuron, 3% of cycloartemia amide, 700% of polycarboxylate A, 4% of calcium dodecyl benzene sulfonate, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
The preparation method comprises the following steps: and adding the xanthan gum into the ethylene glycol and adding a proper amount of water for standby. The raw materials, wetting dispersant, xanthan gum mother liquor, magnesium aluminum silicate, preservative, defoamer and water are fully mixed according to the formula proportion and dispersed by a high shear. Transferring the materials into a sand mill barrel, adding zirconium beads with the volume ratio of 1:1 equivalent to the materials, and starting the sand mill to sand and discharge materials with proper particle size under the state of introducing cooling water. And checking each control index after defoaming the materials.
Results of measurement of formulation properties: the preparation 1-3 prepared by the invention has better suspension performance. Wherein the suspending properties of the active ingredient in formulation 1 are higher than those of formulations 2-3.
TABLE 2 Performance index of suspending agents
EXAMPLE 3 field efficacy test of 24% diflubenzuron-Cyclotrimide suspension on Plutella xylostella
Testing the medicament: 1-3 parts of a preparation;
testing pests: a major Tian Ganlan plutella xylostella;
the test method comprises the following steps: the test cells were classified according to test agent and blank control, and all cells were arranged in random granules. Each treatment was repeated 4 times in parallel, 25m2 per cell. Before the application, 5 cabbages are randomly selected along the diagonal line in each cell, the insect population base number of the plutella xylostella is investigated, and the labeling is carried out. The number of plutella xylostella was investigated on the same cabbage 14d after spraying.
The calculation method comprises the following steps:
test results: as shown in Table 3, the 24% diflubenzuron-cycloxaprid suspending agent prepared by the invention has excellent control effect on plutella xylostella, and when the dosage of the preparation is 25 g/mu, the field control effect on plutella xylostella is more than 85%, and particularly the control effect of 14d after the preparation 1 is used is 96.1%.
TABLE 3 field control results of 24% diflubenzuron-Cyclotrimide suspension on Plutella xylostella
| Test agent | Dosage of the preparation is g/mu | Field control efficiency% |
| Formulation 1 | 25 | 96.1a |
| Formulation 2 | 25 | 86.4b |
| Formulation 3 | 25 | 87.5b |
| CK | \ | \ |
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (2)
1. The insecticidal composition is characterized by comprising auxiliary materials and being prepared into a suspending agent; the suspending agent comprises the following components in percentage by mass: 21% of diflubenzuron, 3% of cycloartemide, 4% of naphthalene sulfonate D-425%, 4% of nonionic hydroxyl polyethylene oxide block copolymer 500LQ, 0.5% of xanthan gum, 1.5% of magnesium aluminum silicate, 1% of ethylene glycol, 1% of organosilicon defoamer, 0.5% of sodium benzoate and 100% of water.
2. Use of the insecticidal composition according to claim 1 for controlling plutella xylostella.
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| CN101697730A (en) * | 2009-06-29 | 2010-04-28 | 通化绿地农药化学有限公司 | Complex preparation of benzoyl urea pesticides and chloantraniliprole |
| CN105532698A (en) * | 2014-11-03 | 2016-05-04 | 中化农化有限公司 | Composition containing SYP9080 and benzoyl urea pesticide, and application thereof |
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