CN108633895A - A kind of compounded pesticides and its preparation method and application - Google Patents
A kind of compounded pesticides and its preparation method and application Download PDFInfo
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- CN108633895A CN108633895A CN201810355299.0A CN201810355299A CN108633895A CN 108633895 A CN108633895 A CN 108633895A CN 201810355299 A CN201810355299 A CN 201810355299A CN 108633895 A CN108633895 A CN 108633895A
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- compounded pesticides
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- destruxins
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- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of compounded pesticides and its preparation method and application.The insecticide is made by host agent, carrier and adjuvant, and wherein host agent is the mixture of Calusena lansium new cinnamamide B and destruxins A.Compounded pesticides are compounded with the new cinnamamide B of Calusena lansium and destruxins A, are maintained the intrinsic advantage of the two insecticide, are had obvious synergistic function, be significantly expanded the sphere of action and insecticidal effect of insecticide, the advantage with more broad spectrum activity and high efficiency.The preparation method of compounded pesticides provided by the invention is simple, easy to use, and efficacy stability is environmentally friendly, can be widely applied to the prevention of various agricultural pest and sanitary insect pest.
Description
Technical field
The invention belongs to pest control technical fields, and in particular, to a kind of compounded pesticides and preparation method thereof and
Using.
Background technology
Since entering the chemical insect prevention epoch, people increasingly carry out strong, certain chemical insecticides to the dependence of chemical pesticide
Long-time service, increase the drug resistance of pest, polluted environment.There are many mixed insecticide, mostly different works currently on the market
With the mixture between the chemical pesticide of mechanism, usage amount is big, and pest is also easy to produce drug resistance.The long-time service of various chemical medicaments
The increase for having resulted in agricultural land used persticide residue causes multiple product to merchandise in the international market limited, and pest is to medicament
Drug resistance increase and medicament also cause the increase of dosage and medicine frequency to the killing of natural enemy pest, frequently result in a certain
The wildness again of pest or various pests.
Destruxins A is the annular peptides with insecticidal action generated by insect pathogenic fungus green muscardine fungus cultured in vitro
Close object.Destruxins A can have an impact a variety of organ structures of insect, such as make insect body wall muscle stiff, to insect geneva
Pipe and middle intestines generate inhibition or destruction, inhibit the formation of insect fat-body and body wall chrotoplast, the growth of insect is inhibited to send out
It educates.Destruxins A can have special efficacy to the 20 various agricultural pest such as Lepidoptera, coleoptera and Diptera.The new cinnamoyl of Calusena lansium
Amine B as a kind of botanical pesticide there is wide spectrum, efficient, less toxic, degradable, noresidue, target pest to be not likely to produce anti-medicine
Property insecticide, the new cinnamamide B of Calusena lansium can be used for preventing rice weevil, thrips, aphid, the pests such as prodenia litura, to phytotrophy
Nematode and wriggler have special efficacy.
Agriculture chemical compounding refers to two or more pesticide with different desinsections (disease) principle, is mixed in a certain ratio and adds
Work produces new pesticide species.It was verified that pesticide is reasonable mixed, control effect can be improved, delays disease pest to generate anti-
Pharmacological property improves control effect, reduces dosage, spraying times can also be reduced by preventing the combined use of pesticides of different disease pests, to drop
Low labour cost.But it is not that careless two kinds of agriculture chemical compoundings are attained by expected purpose, though combined use of pesticides has many benefits,
But it is never arbitrarily disorderly mixed, it needs to consider that the factor coordinated is various, unreasonably uses with not only unhelpful, but also will produce phase
Anti- effect.Currently without any about by the new cinnamamide B of Calusena lansium and destruxins A compoundings, acquisition more wide spectrum, increase are killed
The correlative study of the insecticide of worm effect and report.
Invention content
It is an object of the invention to overcome deficiency in the prior art, a kind of compounded pesticides are provided, the compounded pesticides
Using Calusena lansium new cinnamamide B and destruxins A as main component, the natural insecticide of more high-efficiency broad spectrum is obtained, is greatly dropped
The low use of chemical pesticide, to more environment-friendly.
Another object of the present invention is to provide a kind of preparation methods of compounded pesticides.
The purpose of the present invention further includes a kind of compounded pesticides of offer in prevention Spodoptera litura larvae, cigarette aphid nymph, mosquito children
Worm, Plant nematode, the application on panonychus citri.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of compounded pesticides are made by host agent, carrier and adjuvant, and wherein host agent is the new cinnamamide B of Calusena lansium and green deadlock
The mixture of rhzomorph A.
The present invention the different desinsection mode of both effective integrations and kills the new cinnamamide B of Calusena lansium and destruxins A mixtures
Worm object, the two carry out the compound available new insecticide with compound synergic effect, can expand insecticidal spectrum, improve desinsection effect
Rate.Insecticide of the present invention has the completely new mechanism of action and the mode of action different from existing insecticide, and insecticidal effect is notable, together
When have the characteristics that it is environmental-friendly.
Preferably, the weight percent that host agent accounts for insecticide is 40~70%, and destruxins A and Calusena lansium are new in the host agent
The weight ratio of cinnamamide B is 1:0.01~1:99.The accounting of host agent is mainly according to destruxins A and the new cinnamamide of Calusena lansium
Influence of the insecticidal activity (i.e. desinsection effective concentration) of B to compounding effect determines, while also taking into account the preparation of compounded pesticides
Cost.
Preferably, the weight ratio of the destruxins A and the new cinnamamide B of Calusena lansium are 1:10~1:99.
It is highly preferred that the weight ratio of the destruxins A and the new cinnamamide B of Calusena lansium are 1:50.
Preferably, the adjuvant includes wetting agent, dispersant, disintegrant, binder and antioxidant.
Preferably, compounded pesticides are prepared by following weight percent meter raw material：
Wherein, the carrier is one or more of diatomite, kaolin, white carbon, talcum powder and bentonite.
The wetting agent is in lauryl sodium sulfate, neopelex, pull open powder and Macrogol 4000
It is one or more of.
The dispersant is polyvinyl alcohol, sodium lignin sulfonate, dispersant NNO, dispersant SOPA and carboxymethyl cellulose
One or more of.
The disintegrant is one or more of ammonium sulfate, urea, soluble starch and sodium carbonate.
The binder be starch, carboxymethyl cellulose, polyvinylpyrrolidone and Macrogol 6000 in one kind or
It is several.
The antioxidant is one or more of ascorbic acid, carboxymethyl cellulose and beta-cyclodextrin.
Preferably, the insecticide dosage form is compound water dispersible granule.This formulation is simple, and process, which does not use, to be had
It does not drift about when solvent, use, it is pollution-free, environmentally safe.
Above-mentioned compounded pesticides are prepared by the following method：It is 20~30 μ in proportion first to smash host agent and adjuvant to grain size
M, adds carrier, and granulating and drying obtains compound water dispersible granule insecticide.Wherein be granulated can by fluidized bed prilling or squeeze
Pressure is granulated or fluidized bed granulation.
Above-mentioned compounded pesticides are in prevention Spodoptera litura larvae, cigarette aphid nymph, mosquito larvae, Plant nematode, panonychus citri
Application in terms of equal pests, belongs to protection scope of the present invention.
The present invention has the following technical effects compared with prior art：
The present invention provides a kind of new compounded pesticides, are compounded with the new cinnamamide B of Calusena lansium and destruxins A, keep
The intrinsic advantage of the two insecticide, has obvious synergistic function, and has been significantly expanded the sphere of action of insecticide and has killed
Worm effect has more broad spectrum activity and high efficiency.The preparation method of compounded pesticides provided by the invention is simple, easy to use, medicine
Effect is stablized, environmentally friendly, can be widely applied to the prevention of various agricultural pest.
Specific implementation mode
The present invention is further illustrated With reference to embodiment, but embodiment the present invention is not done it is any
The restriction of form.Following reagent and raw material are conventional commercial unless otherwise specified.
Examples 1 to 9
Raw material is weighed according to host agent and the adjuvant composition of the compounded pesticides of table 1, raw material is mixed, through ultra micro air-flow crushing
Machine is ground into the wettable powder that grain size is 20 μm, is added in fluidized bed drying comminutor after carrier is added, with the water containing binder
Solution is granulated in 50~70 DEG C of fluid bed, dry in drying machine, and type water dispersable granules compound insecticidal is can be obtained after screening
Agent.
Table 1
Comparative example 1~4
The each component that parts by weight are weighed according to the formula of the comparative example compounded pesticides of table 2, by each group lease making ultra micro gas
Stream pulverizer is ground into wettable powder, is added in fluidized bed drying comminutor, with the aqueous solution containing binder, at 50-70 DEG C
It is granulated in fluid bed, it is dry in drying machine, the formulation examples finished product of water dispersible granules is can be obtained after screening.
Table 2
The indoor cytotoxicity and field control effect for the compounded pesticides that following application test prepares the present invention carry out
It measures.
Reagent agent：The compounded pesticides of preparation；
For trying pest：Spodoptera litura larvae, cigarette aphid nymph, mosquito larvae, Plant nematode, panonychus citri.
Application test 1 measures the indoor cytotoxicity of 2 instar larvae of prodenia litura
1, experimental design：
Experimental group：Compounded pesticides prepared by Examples 1 to 9 and comparative example 1~4
Control group：Distilled water to spray same amount makees blank control, is compareed using decis as chemical agent, with green muscardine fungus
Plain A and the new cinnamamide B of Calusena lansium are as single dose control group.
Assay method：
Prodenia litura worm's ovum block is acquired from tobacco in field, indoor raising selects 2 consistent instar larvaes of healthy development to hatching
It is put on tobacco leaf, is put into plastics square box (17cm × 17cm), often handle 3 repetitions, often repeatedly 30 larvas.It will be made up a prescription
Agent is sprayed to blade surface, 26 ± 1 DEG C, is raised under the conditions of 80 ± 1%RH.It is daily to see test worm death condition, and replace fresh leaf
Piece counts the death rate of each processing group respectively at processing for 24 hours, after 48h and 72h.
2, testing result is shown in Table 3.
3 different ratio example of table compares the cytotoxicity of 2 instar larvae of prodenia litura
Note：Data are the average value of 5 repetitions；It is indicated in 5% horizontal upper difference with same letter person is indicated after column data
Not significantly (DMRT).
The death rate of dispenser 72h mixed agents is 85% or more, 89.39% phase of the death rate with chemical agent decis
When.
Application test 2 measures the cytotoxicity of cigarette aphid nymph
1, experimental design：
Experimental group：Compounded pesticides prepared by Examples 1 to 9 and comparative example 1~4
Control group：It is compared with sterilized 0.05% Tween-80 water, uses pymetrozine as chemical reference group, with green
Stiff rhzomorph A and the new cinnamamide B of Calusena lansium are as single dose control group.
Assay method：
It is inoculated with using spray-on process, from field acquisition cigarette aphid raising, is selected similar in size, body colour from tobacco seedlings with fine, soft fur pen
Cigarette aphid is put into the crisper of fresh tobacco tender leaf, it is ensured that the survival rate for being connected to 30 cigarette aphids on tobacco leaf is 100%；Then
Prepared medicament will be sprayed with manual sprayer and is sprayed to tobacco leaf tow sides, each handles 100 cigarette aphids, each processing 3 times
It repeats.After the completion, it is placed in biochemical cultivation case and raises, 26 ± 1 DEG C of rearing conditions, 80 ± 1%RH.Respectively at processing for 24 hours, 48h
With the death rate is counted after 72h.
2, testing result is shown in Table 4.
4 different ratio example of table and ratio compare the cytotoxicity of cigarette aphid
Note：Data are the average value of 5 repetitions；It is indicated in 5% horizontal upper difference with same letter person is indicated after column data
Not significantly (DMRT)
The death rate of mixed agent after 72h is handled 90.01% or more, the death rate with chemical agent pymetrozine
90.33% quite.
Application test 3 measures the cytotoxicity of aedes albopictus four-age larva
1, experimental design：
Experimental group：Compounded pesticides prepared by Examples 1 to 9 and comparative example 1~4
Control group：It spends chlorine water to compare, uses decis as chemical reference group, with destruxins A and the new meat of Calusena lansium
Osmanthus amide B is as single dose control group.
Assay method：
Random 4 instar larvae of aedes albopictus raise with aluzyme of selecting is put into the liquid, often handles and sets 3 groups of repetitions, 200
One group, it is placed in a greenhouse raising, it is 26-28 DEG C to support worm greenhouse, relative humidity 60-80%.Knot is checked in 12,24,36h respectively
Fruit records dead data, and calculates its death rate.
2, testing result is shown in Table 5.
5 different ratio example of table and ratio compare the cytotoxicity of aedes albopictus four-age larva
Note：Data are the average value of 5 repetitions；It is indicated in 5% horizontal upper difference with same letter person is indicated after column data
Not significantly (DMRT)
The death rate of mixed agent after 72h is handled 91.11% or more, the death rate with chemical agent decis
90.33% quite.
Application test 4 measures the cytotoxicity of Bursaphelenchus xylophilus
1, experimental design：
Experimental group：Compounded pesticides prepared by Examples 1 to 9 and comparative example 1~4
Control group：It is compared with clear water, uses phonamiphos as chemical reference group, with destruxins A and the new cinnamoyl of Calusena lansium
Amine B is as single dose control group.
Assay method：
The pine wood chip containing Bursaphelenchus xylophilus is adopted back from woodland, is now filled using the graceful funnel method collection of shellfish, using infusion process, is taken
1mL reagent agents are added per hole for 24 porocyte culture plates, and 100 nematode suspending agents are added per hole.Respectively with 12h after processing,
For 24 hours with nematode death toll is counted after 48h, and calculate its death rate.
2, testing result is shown in Table 6.
6 different ratio example of table and ratio compare the cytotoxicity of Bursaphelenchus xylophilus
Note：Data are the average value of 5 repetitions；It is indicated in 5% horizontal upper difference with same letter person is indicated after column data
Not significantly (DMRT)
The death rate of mixed agent after 72h is handled 95.12% or more, the death rate with chemical agent phonamiphos
90.33% quite.
Application test 5 measures the cytotoxicity of panonychus citri
1, experimental design：
Experimental group：Compounded pesticides prepared by Examples 1 to 9 and comparative example 1~4
Control group：It is compared with distilled water, uses Biphenthrin as chemical reference group, with destruxins A and the new meat of Calusena lansium
Osmanthus amide B is as single dose control group.
Assay method：
Panonychus citri picks up from greenhouse not in contact on the citrus leaf of excessively any pesticide, and double faced adhesive tape is sticked in load
Slide one end is sticked at its back in double faced adhesive tape with the active Panonychus citri female adult pest that No. zero writing brush picking is in the same size, color is fresh and alive
It takes, then will be immersed in liquid to be measured for examination Panonychus citri after gently shaking about 5s, and take out, tiltedly put, carefully drawn with filter paper item
Extra liquid around Panonychus citri polypide, be placed in moistening filter paper culture dish in, by culture dish be placed in 25 ± 0.5 DEG C, it is relatively wet
Degree is 75 ± 3%, photoperiod L:D=12:In 12 growth cabinet, often processing sets 3 repetitions, respectively 12,24,36h
Inspection result records dead data, and calculates its death rate.
2, testing result is shown in Table 7.
7 different ratio example of table and ratio compare the cytotoxicity of panonychus citri
Note：Data are the average value of 5 repetitions；It is indicated in 5% horizontal upper difference with same letter person is indicated after column data
Not significantly (DMRT)
The death rate of mixed agent is 90.28% or more after processing 72 hours, the death rate with chemical agent Biphenthrin
96.23% quite.
6 field control effect of application test
1, field controling test point is selected in tobacco Science Institute of Nanxiong City Demonstration Base and carries out, and prevents tobacco leafeating insect
Prodenia litura and piercing-sucking pest cigarette aphid, pest are mostly in the low instar larvae stage, there is a small amount of mature larva, pupa and adult.Spray
The insect population on preceding experimental investigation ground.The new cinnamamide B water-dispersible grains of destruxins A- Calusena lansium that weight percentage is 15%
It is uniformly sprayed on leaf surface after 500 times of dilution agent, per acre dosage 100mL, after spraying for 24 hours, dead worm is investigated in each treatment region
Mouth number, calculates control effect.
2, test result is shown in Table 8~10.
The effect of 8 field control Spodoptera litura larvae of table
9 field control cigarette aphid effect of table
CK is blank control, has reached 80% or more to the control rate of field prodenia litura after compounding agent processing 7d, right
The control rate of cigarette aphid has reached 90% or more.
The experiment effect of different ratio compounded pesticides such as table 10.
10 field control cigarette aphid effect of table
Mortality of insect after each proportional concentration chemicals treatment 9d reaches 92% or more.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, protection scope of the present invention is included in.
Claims (10)
1. a kind of compounded pesticides, which is characterized in that be made by host agent, carrier and adjuvant, wherein host agent is the new cinnamoyl of Calusena lansium
The mixture of amine B and destruxins A.
2. compounded pesticides as described in claim 1, which is characterized in that wherein host agent account for insecticide weight percent be 40 ~
70%, the weight ratio of destruxins A and the new cinnamamide B of Calusena lansium are 1 in the host agent:0.01~1:99.
3. compounded pesticides as claimed in claim 2, which is characterized in that the weight of the destruxins A and the new cinnamamide B of Calusena lansium
Amount is than being 1:10~1:99.
4. compounded pesticides as claimed in claim 2, which is characterized in that the weight of the destruxins A and the new cinnamamide B of Calusena lansium
Amount is than being 1:50.
5. compounded pesticides as described in claim 1, which is characterized in that the carrier is diatomite, kaolin, white carbon, cunning
One or more of mountain flour and bentonite.
6. compounded pesticides as described in claim 1, which is characterized in that the adjuvant include wetting agent, dispersant, disintegrant,
Binder and antioxidant.
7. compounded pesticides as claimed in claim 6, which is characterized in that prepared by the raw material of following weight percent meter：
Calusena lansium new cinnamamide B and destruxins A 40 ~ 70%；
Carrier 10 ~ 25%；
Wetting agent 5 ~ 25%；
Dispersant 5 ~ 15%；
Disintegrant 2 ~ 5%；
Binder 2 ~ 5%；
Antioxidant 0.5 ~ 1.0%.
8. such as any one of claim 1 ~ 7 compounded pesticides, which is characterized in that the dosage form of the insecticide is compounding moisture
Shot agent.
9. a kind of preparation method of compounded pesticides as claimed in claim 8, which is characterized in that include the following steps：In proportion
It is 20 ~ 30 μm first to smash host agent and adjuvant to grain size, adds carrier, granulating and drying obtains compound water dispersible granule desinsection
Agent.
10. if any one of claim 1 ~ 7 compounded pesticides are in prevention Spodoptera litura larvae, cigarette aphid nymph, mosquito larvae, plant
Application in terms of object nematode and/or panonychus citri.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021177795A1 (en) * | 2020-03-06 | 2021-09-10 | 한국과학기술원 | Composition for bursaphelenchus xylophilus control comprising destruxin |
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| CN108041049A (en) * | 2017-12-13 | 2018-05-18 | 广东省林业科学研究院 | A kind of compounded pesticides and its preparation method and application |
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- 2018-04-19 CN CN201810355299.0A patent/CN108633895A/en active Pending
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| CN101433214A (en) * | 2008-12-15 | 2009-05-20 | 华南农业大学 | Compositional disinsection main agent containing destruxins of Metarhizium anisopliae and deltamethrin |
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| WO2021177795A1 (en) * | 2020-03-06 | 2021-09-10 | 한국과학기술원 | Composition for bursaphelenchus xylophilus control comprising destruxin |
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Application publication date: 20181012 |