CN105076185B - The Pesticidal combination and its preparation and application of a kind of capillary and anabasine insecticide - Google Patents
The Pesticidal combination and its preparation and application of a kind of capillary and anabasine insecticide Download PDFInfo
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Abstract
The invention discloses the Pesticidal combination and its preparation and application of a kind of capillary and anabasine insecticide.The Pesticidal combination is made up of capillary and anabasine insecticide.Anabasine insecticide is any one in imidacloprid, Diacloden, clothianidin, Nitenpyram, thiacloprid, MTI-446 and Acetamiprid.The mass ratio of capillary and anabasine insecticide is (0.05～20)：1.The insecticide is made up of acceptable adjuvant on above-mentioned Pesticidal combination and its pesticidal preparations, wherein, the weight/mass percentage composition of Pesticidal combination is 2%～60%.Pesticidal combination of the present invention has obvious potentiation to Bradysia odoriphaga；As capillary and two kinds of pharmacy effect mechanism of anabasine insecticide are different, the application of compositionss contributes to the development for delaying pest resistance to insecticide, extends medicament service life；The dosage of anabasine insecticide is reduced, the residual risk of anabasine insecticide is reduced.Above-mentioned Pesticidal combination is made into the preparation of various dosage forms, preferable prevention effect is respectively provided with to Bradysia odoriphaga.
Description
Technical field
The present invention relates to the Pesticidal combination and its preparation and application of a kind of capillary and anabasine insecticide, belong to agriculture
Medicine technical field.
Background technology
Capillary (Chlorfenapyr), chemical name are the bromo- 2- of 4- (4- chlorphenyls) -1- ethoxyl methyl -5- trifluoros
Methylpyrrole -3- nitriles, are that American Cyanamid Company was transformed by the chemical constitution to natural antibiotics in the later stage eighties 20th century
And a kind of aryl pyrrolines insecticidal/acaricidal agent successfully developed is able to, it is that a kind of insect bodies mitochondrial oxidative phosphorylation is made
Blocker.
Anabasine insecticide is a class efficient pesticides, and its mechanism of action is to act on nAChR, is done
Disturb insect nerve system normally to pass to, so as to cause insect paralysis dead.Common anabasine insecticide has：Imidacloprid, pyridine
Worm amidine, Nitenpyram, Diacloden, clothianidin, thiacloprid, MTI-446, imidaclothiz and paichongding etc..Anabasine insecticide is to feeding
Newborn animal low toxicity, insecticidal activity are high.But anabasine insecticide there is also some shortcomings, such as resistance risk is big.Additionally, anabasine
Harm of the insecticides to insect pollinators such as Apiss, also increasingly causes worldwide concern.
Pesticide single dose is often restricted by factors such as prevention effect, use range and poisoning when in use, and with disease pest
The drug-fast enhancing of evil, prevention effect are reduced.Agriculture chemical compounding can overcome the use defect of original pesticide single dose, for insecticide comes
Say, conventional compounding mode has：Organic phosphates and organic phosphates, organophosphors and intend chrysanthemum esters, organophosphors and carbamatess,
Organic nitrogen and carbamatess and organic nitrogen and plan chrysanthemum esters etc..
Bradysia odoriphaga (Bradysia odoriphaga Yang et Zhang), is commonly called as fragrant-flowered garlic maggot, belongs to Diptera, long
Angle suborder, eye Sciaridae, Bradysia Sciara is to cause harm northern China Specialty vegetable Folium Allii tuberosi, Bulbus Allii, onion and Herba Alii fistulosi importantly
Lower insect.The upper end of the insect pest main harm Folium Allii tuberosi leaf sheath base and bulb, causes rotten, or even whole pier Folium Allii tuberosi is dead, is fragrant-flowered garlic
High risk population in colza plant.
In recent years, due to the increase of facility Folium Allii tuberosi cultivated area, the harm of fragrant-flowered garlic maggot is caused to increase year after year.Common insecticides pair
Its prevention effect is undesirable, and some local vegetable growers use high poison insecticide on Folium Allii tuberosi in a large number so that the residual of Folium Allii tuberosi Pesticides
Amount is significantly exceeded, therefore, screening efficiently, low toxicity, safety, eco-friendly medicament it is very necessary.
The content of the invention
It is an object of the invention to provide the Pesticidal combination and its preparation of a kind of capillary and anabasine insecticide with should
With., by capillary and anabasine insecticide are compounded, obtained Pesticidal combination is to Bradysia odoriphaga for the present invention
With obvious potentiation, it is a kind of efficient, composition pesticide of low toxicity, low-residual；The Pesticidal combination is made various
The insecticide of dosage form, the prevention effect is respectively provided with by Bradysia odoriphaga.
The Pesticidal combination that the present invention is provided, it is made up of capillary and anabasine insecticide.
In above-mentioned Pesticidal combination, the controlling object of capillary mainly has diamondback moth, Pieris rapae, beet armyworm, twill night
The vegetable-crop pest-insects such as moth, Oeobia undalis, vegetable aphid, liriomyza bryoniae and thrips.
In above-mentioned Pesticidal combination, the anabasine insecticide can for imidacloprid, Diacloden, clothianidin, Nitenpyram,
Any one in thiacloprid, MTI-446 and Acetamiprid.
Imidacloprid, in cereal crop, Rhizoma Solani tuber osi, Radix Betae, Citrus, Nicotiana tabacum L., Fructus Lycopersici esculenti, deciduous fruit tree, vegetable and Cotton Gossypii etc.
Upper use, is mainly used in preventing and treating the sucking pest on Oryza sativa L., Semen Tritici aestivi, the crop such as Cotton Gossypii, such as aphid, leafhopper, thrips, white
Aleyrodid and colorado potato bug and frit fly etc..
Diacloden, in rice class crop, Radix Betae, Brassica campestris L, Rhizoma Solani tuber osi, Cotton Gossypii, Kidney bean, fruit tree, Semen arachidis hypogaeae, Helianthi, Semen sojae atricolor, cigarette
Grass and Citrus etc. are upper to be used, and prevents and treats various aphids, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato bug, flea beetle, line
The insects such as worm, ground beetle, leaf miner and the insect to polytype chemical pesticide generation resistance.
Clothianidin, be mainly used in preventing on Oryza sativa L., vegetable, fruit tree and other crops eliminating aphis, leafhopper, thrips, plant hopper etc. half
Wing mesh, coleoptera, Diptera and some Lepidoptera class pests.
Nitenpyram, be mainly used in preventing and treating the aphid of the crop such as Oryza sativa L., vegetable, fruit tree and Folium Camelliae sinensis, aleyrodid, rice-leaf hopper and
Thrips.
Thiacloprid, is mainly used in preventing and treating the various pests such as west on many planting fruit-trees and vegetable such as melonidum, Cotton Gossypii and Rhizoma Solani tuber osi
Rounded tail Aphis, and have specially good effect to the Herba Marsileae Quadrifoliae fertile leaf honeybee on Fructus Mali pumilae, apple aphid and eriosoma lanigerum；To various beetles, colorado potato bug, rice
Leaf miner and carpocapsa pononella on weevil and lepidoptera pest such as apple tree is also effective.
MTI-446, is mainly used in preventing and treating the various Hemipteran pests and some other important evil on Oryza sativa L., fruit tree, vegetable etc.
Worm.
Acetamiprid, for preventing and treating the homoptera pest on vegetable, fruit tree, tea, Rhizoma Solani tuber osi, Nicotiana tabacum L. etc., such as aphid, leafhopper,
Aleyrodid and a red-spotted lizard etc., lepidoptera pest such as diamond-back moth, latent fly, Grapholita spp etc., coleopteran pest such as Anoplophorae seu Aprionae etc., thrips mesh such as thrips
Deng.
Capillary and anabasine insecticide are compounded by the present invention according to a certain percentage, by substantial amounts of bioassay
Screening, it is found that Pesticidal combination of the present invention shows obvious potentiation to Bradysia odoriphaga.With reference to Sun Yunpei (Sun
YP) method evaluates the mixed interaction of two kinds of different activities components in the present invention, wherein, co-toxicity coefficient is potentiation more than 120
Effect, co-toxicity coefficient are antagonism less than 80, and co-toxicity coefficient is summation action therebetween.By calculating capillary and newly
Co-toxicity coefficient after nicotinic insecticide is mixed, evaluates both mixed rear effects, as a result shows, in above-mentioned Pesticidal combination, institute
The mass ratio for stating capillary and the anabasine insecticide can be (0.05～20)：1, concretely (0.1～20)：1、(0.2
～20)：1st, (0.3～20)：1st, (1～20)：1st, (3～20)：1st, (5～20)：1st, (10～20)：1st, (0.05～10)：1、
(0.1～10)：1st, (0.2～10)：1st, (0.3～10)：1st, (1～10)：1st, (3～10)：1st, (5～10)：1st, (0.05～5)：
1st, (0.1～5)：1st, (0.2～5)：1st, (0.3～5)：1st, (1～5)：1st, (3～5)：1st, (0.05～3)：1st, (0.1～3)：1、
(0.2～3)：1st, (0.3～3)：1st, (1～3)：1st, (0.05～1)：1st, (0.1～1)：1st, (0.2～1)：1st, (0.3～1)：1、
(0.05～0.3)：1st, (0.1～0.3)：1st, (0.2～0.3)：1st, (0.05～0.2)：1st, (0.1～0.2)：1st, (0.05～
0.1)：1、20：1、10：1、5：1、3：1、1：1、0.3：1、0.2：1、0.1：1 or 0.05：1, in the range of above-mentioned mass ratio,
Potentiation is shown.
In above-mentioned Pesticidal combination, the mass ratio of the capillary and the anabasine insecticide be preferably (0.1～
10)：1, more preferably (0.2～5)：1, more preferably (0.3～3)：1.
As above-mentioned capillary and anabasine insecticide are according to the potentiation after aforementioned proportion compounding, the present invention is provided
Above-mentioned Pesticidal combination preventing and treating Bradysia odoriphaga in application, also within the scope of the present invention.
As active compound directly cannot be used, invention further provides a kind of insecticide, it is by above-mentioned parasite killing
In compositionss and its pesticidal preparations, acceptable adjuvant is made, wherein, the weight/mass percentage composition of the Pesticidal combination can be 2%
～60%, concretely 2%～40%, 10%～40%, 20%～40%, 24%～40%, 28%～40%, 30%～
40%th, 2%～30%, 10%～30%, 20%～30%, 24%～30%, 28%～30%, 2%～28%, 10%～
28%th, 20%～28%, 24%～28%, 2%～24%, 10%～24%, 20%～24%, 2%～20%, 10%～
20%th, 2%～10%, 2%, 10%, 20%, 24%, 28%, 30% or 40%.
In implementation process of the present invention, as the content of effective ingredient in active compound is unlikely to be 100%, such as 95% capillary
Active compound refers to that the weight/mass percentage composition of capillary in capillary active compound is 95%, and Pesticidal combination of the present invention and insecticide are being calculated
During, the content for being converted to active compound in active constituent content, i.e. Pesticidal combination and insecticide each means which has
The content of effect composition.
In above-mentioned insecticide, the insecticide can adopt arbitrarily known method to be at present processed into the system of dosage forms
Agent, suitable dosage form are included but is not limited to：Suspending agent, suspension seed-coating agent, suspension emulsion, cream, aqueous emulsion, microemulsion, moisture dissipate
Granule, wettable powder, granule, dashing agent, drop, microcapsule suspending agent, microcapsule suspension-suspendinagent agent etc..
Application of the above-mentioned insecticide in preventing and treating Bradysia odoriphaga, also within the scope of the present invention, the present invention is killed
Worm agent is significantly larger than the preventive effect of single dose to the preventive effect of Bradysia odoriphaga, and more than 80%.
Pesticidal combination of the present invention and preparation have the advantages that：
(1), after the present invention is by capillary and anabasine insecticide according to a certain percentage mixture, Bradysia odoriphaga is had
There is obvious potentiation.
(2) as capillary and two kinds of pharmacy effect mechanism of anabasine insecticide are different, the application of compositionss has
Help delay the development of pest resistance to insecticide, extend the service life of medicament.
(3) after capillary and anabasine insecticide mixture, the dosage of anabasine insecticide is reduced, is reduced new
The residual risk of nicotinic insecticide.
(4) Pesticidal combination after capillary and anabasine insecticide mixture is made the pesticidal preparations of various dosage forms,
Preferable prevention effect is respectively provided with to Bradysia odoriphaga.
Specific embodiment
Experimental technique used in following embodiments if no special instructions, is conventional method.
In following embodiments, material used, reagent etc., if no special instructions, commercially obtain.
After different pesticide species mixtures, typically exhibit three kinds of type of action, i.e. summation action, potentiation and antagonism and make
With, but which kind of effect is specially, only just can know that by lot of experiments.Good compound synergic formula, can significantly improve reality
Border prevention effect, expands medicament insecticidal spectrum, and contributes to delaying the generation speed of pest resistance to insecticide.
In following embodiment 1- embodiments 7, by substantial amounts of screening test, according to different ratio to capillary and anabasine
Insecticides are compounded, it is found that capillary has significant Synergistic with anabasine insecticide compounding to homoptera pest
Effect, anabasine insecticide are respectively imidacloprid, Diacloden, clothianidin, Nitenpyram, thiacloprid, MTI-446 and Acetamiprid.
Subjects：Olaiphage larva in Chinese Chive.
Test medicine：95% capillary active compound；97% imidacloprid active compound；96% Diacloden active compound；97% clothianidin active compound；
94% Nitenpyram active compound；95% thiacloprid active compound；96% MTI-446 active compound；95% Acetamiprid active compound.By active compound (after folding hundred)
The test medicine for needing is configured to according to a conventional method.
Experimental technique：Indoor bioassay is carried out using stomach toxicity co-toxicity method of tagging, selects the Folium Allii tuberosi of indoor feeding slow
4 instar larvae of eye fungus gnat is target pest, and 25 larvas are processed per concentration, often processes and is repeated 4 times, and is positioned over 25 ± 1 DEG C of constant temperature trainings
Breeding observing in foster case, after medicine, 72h checks dead borer population.Using probit analysis method and DPSv7.5 software data processings, calculate and cause
Concentration LC in dead50, use LC50Value is pressed the abundant methods of Sun Yun and calculates co-toxicity coefficient, shown in computing formula such as formula (1).
Formula (1)
If confection is M, each single dose of composition is A, B, C ....LC50AFor the lethal concentration of 50 of medicament A；LC50BFor medicine
The lethal concentration of 50 of agent B, LC50 mixFor the lethal concentration of 50 of the mixture of medicament A+ medicament B+ medicament C+ ..., mixture co-toxicity coefficient is
CTC, the percentage composition of effective ingredient is P.
Co-toxicity coefficient (CTC) >=120 shows as potentiation, and CTC≤80 show as antagonism, 80 ＜ CTC ＜, 120 tables
It is now summation action.
The compounding of embodiment 1, capillary and imidacloprid
Capillary is carried out into compounding test, toxicity test result such as 1 institute of table according to different mass ratioes respectively from imidacloprid
Show：
The toxicity test result of table 1, capillary and imidacloprid to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 4.12 | ~ |
| Imidacloprid | 2.77 | ~ |
| Capillary：Imidacloprid (20:1) | 3.22 | 125.05 |
| Capillary：Imidacloprid (10:1) | 2.35 | 167.89 |
| Capillary：Imidacloprid (5:1) | 1.88 | 202.73 |
| Capillary：Imidacloprid (3:1) | 1.28 | 224.47 |
| Capillary：Imidacloprid (1:1) | 1.05 | 315.73 |
| Capillary：Imidacloprid (1:3) | 0.91 | 331.90 |
| Capillary：Imidacloprid (1:5) | 1.43 | 219.29 |
| Capillary：Imidacloprid (1:10) | 1.78 | 160.59 |
| Capillary：Imidacloprid (1:20) | 2.11 | 133.72 |
The compounding of embodiment 2, capillary and Diacloden
Capillary is carried out into compounding test, toxicity test result such as 2 institute of table according to different mass ratioes respectively from Diacloden
Show：
The toxicity test result of table 2, capillary and Diacloden to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 5.26 | ~ |
| Diacloden | 1.87 | ~ |
| Capillary：Diacloden (20:1) | 3.86 | 125.47 |
| Capillary：Diacloden (10:1) | 2.85 | 158.52 |
| Capillary：Diacloden (5:1) | 2.18 | 185.43 |
| Capillary：Diacloden (3:1) | 1.71 | 211.87 |
| Capillary：Diacloden (1:1) | 1.15 | 240.26 |
| Capillary：Diacloden (1:3) | 1.21 | 184.55 |
| Capillary：Diacloden (1:5) | 1.33 | 157.80 |
| Capillary：Diacloden (1:10) | 1.48 | 134.46 |
| Capillary：Diacloden (1:20) | 1.56 | 123.90 |
The compounding of embodiment 3, capillary and clothianidin
Capillary is carried out into compounding test, toxicity test result such as 3 institute of table according to different mass ratioes respectively from clothianidin
Show：
The toxicity test result of table 3, capillary and clothianidin to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 4.86 | ~ |
| Clothianidin | 1.37 | ~ |
| Capillary：Clothianidin (20:1) | 3.46 | 125.32 |
| Capillary：Clothianidin (10:1) | 2.49 | 158.59 |
| Capillary：Clothianidin (5:1) | 1.96 | 174.25 |
| Capillary：Clothianidin (3:1) | 1.51 | 196.91 |
| Capillary：Clothianidin (1:1) | 0.85 | 251.98 |
| Capillary：Clothianidin (1:3) | 0.61 | 274.39 |
| Capillary：Clothianidin (1:5) | 0.77 | 202.61 |
| Capillary：Clothianidin (1:10) | 0.78 | 188.39 |
| Capillary：Clothianidin (1:20) | 1.06 | 134.17 |
The compounding of embodiment 4, capillary and Nitenpyram
Capillary is carried out into compounding test, toxicity test result such as table 4 according to different mass ratioes respectively from Nitenpyram
It is shown：
The toxicity test result of table 4, capillary and Nitenpyram to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 5.36 | ~ |
| Nitenpyram | 4.87 | ~ |
| Capillary：Nitenpyram (20:1) | 4.18 | 127.62 |
| Capillary：Nitenpyram (10:1) | 3.19 | 166.51 |
| Capillary：Nitenpyram (5:1) | 2.76 | 191.03 |
| Capillary：Nitenpyram (3:1) | 2.31 | 226.39 |
| Capillary：Nitenpyram (1:1) | 1.85 | 275.96 |
| Capillary：Nitenpyram (1:3) | 1.91 | 261.09 |
| Capillary：Nitenpyram (1:5) | 2.27 | 217.99 |
| Capillary：Nitenpyram (1:10) | 2.78 | 176.77 |
| Capillary：Nitenpyram (1:20) | 3.06 | 159.96 |
The compounding of embodiment 5, capillary and thiacloprid
Capillary is carried out into compounding test, toxicity test result such as 5 institute of table according to different mass ratioes respectively from thiacloprid
Show：
The toxicity test result of table 5, capillary and thiacloprid to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 5.56 | ~ |
| Thiacloprid | 5.07 | ~ |
| Capillary：Thiacloprid (20:1) | 4.57 | 121.11 |
| Capillary：Thiacloprid (10:1) | 3.25 | 169.60 |
| Capillary：Thiacloprid (5:1) | 2.87 | 190.68 |
| Capillary：Thiacloprid (3:1) | 2.63 | 206.46 |
| Capillary：Thiacloprid (1:1) | 2.45 | 216.56 |
| Capillary：Thiacloprid (1:3) | 2.11 | 245.83 |
| Capillary：Thiacloprid (1:5) | 2.57 | 200.34 |
| Capillary：Thiacloprid (1:10) | 2.98 | 171.62 |
| Capillary：Thiacloprid (1:20) | 3.36 | 151.63 |
The compounding of embodiment 6, capillary and MTI-446
Capillary is carried out into compounding test, toxicity test result such as 6 institute of table according to different mass ratioes respectively from MTI-446
Show：
The toxicity test result of table 6, capillary and MTI-446 to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 5.03 | ~ |
| MTI-446 | 2.11 | ~ |
| Capillary：MTI-446 (20:1) | 3.67 | 128.58 |
| Capillary：MTI-446 (10:1) | 2.45 | 182.36 |
| Capillary：MTI-446 (5:1) | 2.07 | 197.45 |
| Capillary：MTI-446 (3:1) | 1.73 | 216.02 |
| Capillary：MTI-446 (1:1) | 1.15 | 258.51 |
| Capillary：MTI-446 (1:3) | 1.01 | 244.38 |
| Capillary：MTI-446 (1:5) | 1.17 | 199.66 |
| Capillary：MTI-446 (1:10) | 1.48 | 150.51 |
| Capillary：MTI-446 (1:20) | 1.66 | 130.72 |
The compounding of embodiment 7, capillary and Acetamiprid
Capillary is carried out into compounding test, toxicity test result such as 7 institute of table according to different mass ratioes respectively from Acetamiprid
Show：
The toxicity test result of table 7, capillary and Acetamiprid to olaiphage larva in Chinese Chive
| Test medicine | LC50(mg/L) | Co-toxicity coefficient |
| Capillary | 5.03 | ~ |
| Acetamiprid | 5.31 | ~ |
| Capillary：Acetamiprid (20:1) | 4.11 | 122.69 |
| Capillary：Acetamiprid (10:1) | 2.95 | 171.33 |
| Capillary：Acetamiprid (5:1) | 2.47 | 205.45 |
| Capillary：Acetamiprid (3:1) | 2.23 | 228.57 |
| Capillary：Acetamiprid (1:1) | 1.95 | 264.93 |
| Capillary：Acetamiprid (1:3) | 2.41 | 217.31 |
| Capillary：Acetamiprid (1:5) | 2.97 | 177.14 |
| Capillary：Acetamiprid (1:10) | 3.32 | 159.13 |
| Capillary：Acetamiprid (1:20) | 3.96 | 133.74 |
Consolidated statement 1 is visible to table 7, and it is (0.05～20) that capillary is compounded in mass ratio with anabasine insecticide：1 model
Enclose interior to Bradysia odoriphaga performance potentiation, when mass ratio is (0.1～10)：When 1, potentiation is particularly evident.
Following embodiment 8- embodiments 14 are respectively various preparations made by Pesticidal combination of the present invention, can be with known
Method be prepared into any one dosage form of suitable agricultural use, reasonable dosage form is suspending agent, suspension seed-coating agent, outstanding breast
It is agent, cream, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, granule, dashing agent, drop, microcapsule suspending agent, micro-
Capsule suspension-suspending agent.
Auxiliary agent polycarboxylate in following embodiments is purchased from Beijing Guangyuan Yinong Chemical Co., Ltd, model
GY-D08。
For the clearer and more definite objects, technical solutions and advantages of the present invention, the present invention is illustrated with specific examples below,
But its active component and its proportioning, auxiliary agent etc. are all not limited only to following examples.
Embodiment 8 ,+15% imidacloprid suspending agent of 5% capillary
First, formula
In terms of weight/mass percentage composition, in the present embodiment, the content of each component is as follows：
2nd, preparation method
The each components such as active component, dispersant and water are mixed according to the ratio of formula, Jing 10000r/min high speed shear 5
Minute is uniform, adds sand mill to be ground to required particle diameter (mean diameter is less than 3 microns), makes+15% pyrrole of 5% capillary
Worm quinoline suspending agent.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench in Folium Allii tuberosi root.Insect density is investigated before medicine, 14 days investigation prevention effects after medicine.Take at 5 points per cell, per sampling
0.25m2, calculate the Revision insect recluced rate and Rectifying efficacies of each process.Computing formula is as follows：
Insect population number × 100 (2) before Revision insect recluced rate (%)=(insect population number after insect population number-preventing and treating before preventing and treating)/preventing and treating
Rectifying efficacies (%)=(chemicals treatment district Revision insect recluced rate-check plot Revision insect recluced rate)/(1- check plots insect population subtracts
Move back rate) × 100 (3)
After+15% imidacloprid suspending agent medicine of 5% capillary of the present embodiment, the preventive effect of 14 days is 91.29%, comparison medicament 5%
Capillary suspending agent and 15% imidacloprid suspending agent are used according to identical dosage and method, and after medicine, the preventive effect of 14 days is respectively
76.27% and 80.49%.
Embodiment 9 ,+15% Diacloden suspending agent of 15% capillary
First, formula
In terms of weight/mass percentage composition, in the present embodiment, the content of each component is as follows：
2nd, preparation method
The each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, Jing 10000r/min are high
Speed shearing uniformly adds sand mill to be ground to required particle diameter (mean diameter is less than 3 microns), makes 15% worm mite for 5 minutes
+ 15% imidacloprid suspending agent of nitrile.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench, test method is with embodiment 8.After+15% Diacloden suspending agent medicine of 15% capillary of the present embodiment, the preventive effect of 14 days is
94.83%, 5% capillary suspending agent of comparison medicament and 15% Diacloden suspending agent are used according to identical dosage and method, medicine
The preventive effect of 14 days is respectively 75.12% and 79.42% afterwards.
Embodiment 10 ,+18% clothianidin suspending agent of 6% capillary
First, formula
In terms of weight/mass percentage composition, in the present embodiment, the content of each component is as follows：
2nd, preparation method
The each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, Jing 10000r/min are high
Speed shearing uniformly adds sand mill to be ground to required particle diameter (mean diameter is less than 3 microns), makes 6% capillary for 5 minutes
+ 18% clothianidin suspending agent.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench, test method is with embodiment 8.After+18% clothianidin suspending agent medicine of 6% capillary of the present embodiment, the preventive effect of 14 days is
89.83%, 5% capillary suspending agent of comparison medicament and 15% clothianidin suspending agent are used according to identical dosage and method, medicine
The preventive effect of 14 days is respectively 73.48% and 78.56% afterwards.
Embodiment 11 ,+1% Nitenpyram granule of 1% capillary
First, formula
The insecticide of the present embodiment is prepared using the following raw material：
In the insecticide granule agent prepared by above-mentioned raw materials, the weight/mass percentage composition of capillary and Nitenpyram is
1%.
2nd, preparation method
By said components mix homogeneously, soft material is made, the soft material for making through Squeezinggranulator pelletize, drying, that is, is made
Into+1% Nitenpyram granule of 1% capillary.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, by 200 grams/ha of effective ingredient consumption, will implement
The granule of example 8 is spread fertilizer over the fields in Folium Allii tuberosi root.After+1% Nitenpyram Granular pesticide of 1% capillary of the present embodiment, the preventive effect of 14 days is
80.46%, 5% capillary suspending agent of comparison medicament and 2% imidacloprid suspending agent are according to identical dosage and be watered spray and use,
After medicine, the preventive effect of 14 days is respectively 71.25% and 74.43%.
Embodiment 12 ,+21% thiacloprid suspending agent of 7% capillary
First, formula
In terms of weight/mass percentage composition, in the present embodiment, the content of each component is as follows：
2nd, preparation method
The each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, Jing 10000r/min are high
Speed shearing uniformly adds sand mill to be ground to required particle diameter (mean diameter is less than 3 microns), makes 7% capillary for 5 minutes
+ 21% thiacloprid suspending agent.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench, test method is with embodiment 8.After+21% thiacloprid suspending agent medicine of 7% capillary of the present embodiment, the preventive effect of 14 days is
86.53%, 5% capillary suspending agent of comparison medicament and 15% thiacloprid suspending agent are used according to identical dosage and method, medicine
The preventive effect of 14 days is respectively 70.12% and 72.79% afterwards.
Embodiment 13 ,+5% MTI-446 microcapsule suspension-suspendinagent agent of 5% capillary
First, preparation method
Carbamide and formaldehyde are added in equipped with thermometer, the there-necked flask of agitating device, mol ratio is 1:2.0, after dissolving
The deionized water of 2 times of formaldehyde and weight of urea is added, and pH value is adjusted to 8.5 with triethanolamine, is warming up to 70 DEG C, stirring at low speed
Reaction 1 hour, obtains Lauxite prepolymer aqueous solution.
By 96% MTI-446 active compound of 95% emamectin benzoate active compounds of 5.26g and 5.21g, the above-mentioned Lauxites of 20g are added to pre-
Polymers aqueous solution, 5% aqueous sodium polyacrylates of 20g, addition 2.5g tween 80s and 2.5g sodium lauryl sulphates, 10000
Rev/min high speed shear forms stable O/W emulsions；Rotating speed is reduced to 400 revs/min, point 5 batches of addition 1M hydrochloric acid tune in 60 minutes
Section system pH 2.5, polycondensation reaction 1 hour；Thereafter being warming up to 60 DEG C of solidification cyst walls adds sodium hydroxide to adjust pH value after 1 hour
7.0,1% xanthan gum solution 10g is added, is added water and is supplied 100g, that is, obtained+5% MTI-446 microcapsule of 5% capillary and hang
Floating-suspending agent.
2nd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench, test method is with embodiment 8.After+5% MTI-446 microcapsule suspension suspending agent medicine of 5% capillary, the preventive effect of 30 days is
92.49%, 5% capillary suspending agent of comparison medicament and 15% MTI-446 suspending agent are used according to identical dosage and method, medicine
The preventive effect of 30 days is respectively 66.34% and 77.35% afterwards.
Embodiment 14 ,+20% acetamiprid wettable powder of 20% capillary
First, formula
In terms of weight/mass percentage composition, in the present embodiment, the content of each component is as follows：
2nd, preparation method
Each component mix homogeneously is weighed according to above-mentioned formula, through jet mill micronizing, detected sample grain
Footpath more than 95% obtains+20% acetamiprid wettable powder of 20% capillary in 1-10 microns.
3rd, application test
The present embodiment built agent is applied to prevent and treat Bradysia odoriphaga, sprays after adding water by 200 grams/ha of effective ingredient consumption
Drench, test method is with embodiment 8.After+20% acetamiprid wettable powder medicine of 20% capillary, the preventive effect of 14 days is 87.54%,
5% capillary suspending agent of comparison medicament and 15% acetamiprid suspending agent are used according to identical dosage and method, 14 days after medicine
Preventive effect is respectively 68.54% and 76.53%.
Claims (5)
1. application of a kind of Pesticidal combination in preventing and treating Bradysia odoriphaga；The Pesticidal combination is by capillary and anabasine
Insecticides are constituted；
The mass ratio (0.3～1) of the capillary and the anabasine insecticide：1；
The anabasine insecticide is imidacloprid.
2. application according to claim 1, it is characterised in that：The quality of the capillary and the anabasine insecticide
Than 1：1 or 1：3.
3. application of a kind of insecticide in preventing and treating Bradysia odoriphaga；Parasite killing of the insecticide by described in claim 1 or 2
On compositionss and its pesticidal preparations, acceptable adjuvant is made, wherein, the weight/mass percentage composition of the Pesticidal combination is 2%～
60%.
4. application according to claim 3, it is characterised in that：In the insecticide, the quality hundred of the Pesticidal combination
Content is divided to be 2%～40%.
5. the application according to claim 3 or 4, it is characterised in that：The dosage form of the insecticide is suspending agent, suspended seed coating
Agent, suspension emulsion, cream, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, granule, dashing agent, drop, microcapsule hang
Any one in floating agent and microcapsule suspension-suspendinagent agent.
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