Background technology
Agriculturally, sick worm, the growth of disease to crops have a great impact, and current chemical control still accounts for leading position in phytopathy worm, disease.In recent years, the annual applications of pesticide amount of China is more than 1,000,000 tons, and more than 90% be wherein chemical pesticide, therefore the environmental pollution caused and food-safety problem increasingly serious, jeopardize the existence of the mankind, exploitation low toxicity, efficient, eco-friendly novel agrochemical are the only ways realizing agricultural product security and sustainable development.
Fluoxastrobin is methoxy acrylic bactericide, mitochondrial respiratory inhibitor.Fluoxastrobin has quick-acting and lasting period long double grading; no matter early stage as spore germination, germ tube growth and intrusion leaf portion at fungal infection; or growth period of hypha can provide extraordinary protection and therapeutic action, but infect the most effective to spore germination and initial stage.Fluoxastrobin also has the bactericidal activity of wide spectrum, all has good activity to Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti disease (the tens of kinds of diseases such as rust, clever blessing disease, net blotch, powdery mildew, downy mildew).Fluoxastrobin has excellent systemic activity, and it can be rapidly absorbed, and can transmit to top equably in leaf portion, therefore has good resistance of rainwater washing against ability.During as seed treatment, well kill and lasting effect though fluoxastrobin has seedling, kind biography and soil-borne disease.But in a particular application, there is many problems in single sterilization component, as: consumption is large, development of drug resistance is fast, drug effect is poor, restricted application etc.Chinese patent application CN103229771A discloses a kind of microbicide compositions containing fluoxastrobin, it discloses fluoxastrobin and prothioconazoles or fluorine pyrrole bacterium acid amides and has synergistic effect.The simultaneously control of sick worm, disease generally needs to use different medicaments, consuming time like this, cost is high, has increased the weight of the burden of agricultural production.Therefore, the composite and synergy of bactericide and insecticide becomes the direction of sterilization pesticide research and development now.
Botanical pesticide compared with traditional chemical agricultural chemicals, have R&D costs low, not easily develop immunity to drugs, the advantage such as free from environmental pollution, be an important directions of current agricultural chemicals research and development.But also there are some shortcomings in botanical pesticide, as gentleer in its effect slow, limited source, unstable active components etc.Nimbin is a kind of vegetable source pesticide bacteriostatic agent, and be that a class separates the strongest active compound from print chinaberry, it belongs to tetracyclic triterpenes, and its molecular formula is C
35h
44o
16, molecular weight is 720.71.Nimbin can be divided into nimbin-A, and-B ,-C ,-D ,-E ,-F ,-G ,-I totally 8 kinds, nimbin-A is exactly the nimbin of usual indication.Nimbin is wide spectrum recognized in the world, efficient, low toxicity, easily degraded, noresidue insecticide and there is no pesticide resistance, to nearly all plant insect, indoor bedbug, flea, fly, mosquito etc. all have repelling and killing efficacy, and to people and animals and surrounding environment without any pollution.Nimbin stops it to ingest to play its insecticidal action by suppressing insect gustatory receptor.Nimbin not only has insecticidal effect, and has bacteriostasis.Ye Min etc. have carried out Primary Study to nimbin to phytopathogen bacteriostasis, find that nimbin has certain inhibitory action to former bacterium such as Alternaria alternate, early blight of tomato, eliminating vegetable botrytis.Existing research antibiotic bactericide, kasugarnycin, cycloheximide, blasticidin-S, jamaicin, griseofulvin, pleocidin etc. and the effect of azadirachtin complex in sterilization, through retrieval, not yet find that there is the research of fluoxastrobin and azadirachtin complex thing now.
Sesamin belongs to fat-soluble lignan, and in sesame, content is high, accounts for lignan total content more than 50% in sesame.Sesamin is white needle-like crystals, and fusing point is at 120 ~ 121 DEG C, and in sesame seed, content is 0.2 ~ 0.5%, and in sesame oil, content is 0.4 ~ 1.0%.Sesamin infected by influenza, sendai virus and tubercle bacillus have inhibitory action.Agriculturally be used as the synergist of pyrethrins, also can be used for antiviral, bactericide, antioxidant.Through retrieval, also not yet find that there is the compound of fluoxastrobin and sesamin.
Therefore, large for current single bactericide consumption, development of drug resistance is fast, drug effect is poor, restricted application, the effect of vegetable source pesticide bacteriostatic agent is gentleer slowly, unstable active components, the problems such as sick worm, disease prevent and treat respectively, be necessary research and development one can prevent cure the disease worm, disease, and efficiently, wide spectrum, low toxicity, environmental protection disinfecting insecticide.Meanwhile, pesticidal preparations is as a kind of carrier, and its type and dosage form components all can have an impact to the performance of drug effect, therefore, is also necessary to research and develop a kind of suitable preparation.
Summary of the invention
For the deficiencies in the prior art, first object of the present invention is to provide a kind of disinfection and deinsectization composition containing fluoxastrobin, and its strong bactericidal deinsectization, broad spectrum activity is strong.
To achieve these goals, technical scheme of the present invention is as follows:
A disinfection and deinsectization composition containing fluoxastrobin, comprise fluoxastrobin, composition A and composition B, the weight ratio of described fluoxastrobin, composition A and composition B is 1:(0.3 ~ 0.8): (0.2 ~ 0.6); Described composition A is prothioconazoles or fluorine pyrrole bacterium acid amides; Described composition B is nimbin or sesamin.
As the preferred embodiment of the present invention, the weight ratio of described fluoxastrobin, composition A and composition B is 1:0.6:0.4.Under this proportioning, when described composition A is preferably fluorine pyrrole bacterium acid amides, when described composition B is preferably sesamin, its disinfection and deinsectization best results.
Second object of the present invention is that providing a kind of contributes to the suspending agent that the described disinfection and deinsectization composition containing fluoxastrobin gives full play to its drug effect, and this suspending agent technical scheme is as follows:
A disinfection and deinsectization suspending agent containing fluoxastrobin, comprises the component of following weight percent meter: described the disinfection and deinsectization composition 20 ~ 30% containing fluoxastrobin, auxiliary agent 10 ~ 20%, ethylene glycol 6 ~ 10%, xanthans 0.1 ~ 0.4%, dimethicone 0.2 ~ 0.8% and water 40 ~ 63%; Described auxiliary agent comprises ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and composition C, and described composition C is polycarboxylate, phosphate or alkylnaphthalene sulfonate formaldehyde condensation products.
Further, the weight ratio of described ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and composition C is (2 ~ 5): (3 ~ 7): (2 ~ 6): (3 ~ 6).
Further, the weight ratio of described ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and composition C is 3:5:4:4.
Further, the described disinfection and deinsectization suspending agent containing fluoxastrobin is made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%.
Present invention also offers the preparation method of the above-mentioned disinfection and deinsectization suspending agent containing fluoxastrobin, specifically comprise the following steps: first disinfection and deinsectization composition, auxiliary agent and ethylene glycol containing fluoxastrobin are mixed with water, mix through high speed shear, sand milling 1.0 ~ 1.5h, add xanthans and dimethicone under low whipping speed 30 ~ 40r/min, stir and obtain the disinfection and deinsectization suspending agent containing fluoxastrobin.
The ternary recompounded composite of fluoxastrobin of the present invention, prothioconazoles/fluorine pyrrole bacterium acid amides and nimbin/sesamin is 1:(0.3 ~ 0.8 in weight ratio): under (0.2 ~ 0.6), three works in coordination with, and takes into account efficient sterilization and deinsectization effect.Fluoxastrobin and prothioconazoles or fluorine pyrrole bacterium acid amides combine with collaborative enhancing bactericidal action, then combine with nimbin or sesamin, both increase bactericidal action further, and also improve deinsectization effect simultaneously, to reach the object of efficient sterilizing deinsectization.The disinfection and deinsectization composition that the present invention contains fluoxastrobin contains the disinfection and deinsectization suspending agent of fluoxastrobin for carrier with the present invention, and active component is stable existence in this carrier; In suspending agent with the composition of ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and polycarboxylate or phosphate or alkylnaphthalene sulfonate formaldehyde condensation products for auxiliary agent, the drug effect making the present invention contain the disinfection and deinsectization composition of fluoxastrobin efficiently, lastingly plays, and sick worm and disease are prevented and treated simultaneously.
Therefore, compared with prior art, advantage of the present invention is:
(1) the disinfection and deinsectization composition that the present invention contains fluoxastrobin is the ternary recompounded composite of fluoxastrobin, prothioconazoles/fluorine pyrrole bacterium acid amides and nimbin/sesamin, compound system is stable, collaborative, take into account efficient sterilization and deinsectization effect, broad spectrum activity is strong, all has favorable effect to the multiple fungal diseases such as vegetables, flowers, fruit tree, cotton, grass family cereal crops, oil crop and insect pest; Which solve disease worm to separate with disease and prevent and treat, cause problem that is consuming time, cost up, also solve simultaneously vegetable source pesticide bacteriostatic agent action temperature and slowly, the technical problem such as unstable active components, provide a kind of new disinfection and deinsectization compound.
(2) to contain the disinfection and deinsectization suspending agent onset of fluoxastrobin quick in the present invention, stable system, lasting effect is good, damage by disease and insect preventive effect is remarkable, greatly reduce Pesticide use number of times, reduce Pesticide use amount, reduce agricultural cost, for agricultural production provides the disinfecting insecticide of a kind of efficient, wide spectrum, low toxicity, environmental protection; The disinfection and deinsectization suspending agent preparation method that the present invention simultaneously contains fluoxastrobin is simple, can be applicable.
Embodiment
Further describe the present invention below by way of embodiment, but the present invention is not limited only to following examples.Within the scope of the invention or not departing from content of the present invention, spirit and scope, the present invention is suitably improved, replaces the identical component of effect, will become apparent to those skilled in the art that they are all deemed to be included within scope of the present invention.
Embodiment 1 ~ 7 the present invention contains the disinfection and deinsectization composition of fluoxastrobin
Embodiment 1 ~ 7, each raw material of comparative example 1 ~ 3 and proportioning as shown in table 1 below
Table 1
embodiment 8, the present invention contain the disinfection and deinsectization suspending agent of fluoxastrobin
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%; Described auxiliary agent is that 3:5:4:4 forms by ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and polycarboxylate according to weight ratio.
Preparation method: first disinfection and deinsectization composition, auxiliary agent and ethylene glycol containing fluoxastrobin are mixed with water, mix through high speed shear, sand milling 1.0h, adds xanthans and dimethicone under low whipping speed 40r/min, stir and obtain the disinfection and deinsectization suspending agent containing fluoxastrobin.
embodiment 9, the present invention contain the disinfection and deinsectization suspending agent of fluoxastrobin
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 20% of embodiment 1 containing fluoxastrobin, auxiliary agent 20%, ethylene glycol 6%, xanthans 0.2%, dimethicone 0.3% and water 53.5%; Described auxiliary agent is that 3:5:4:4 forms by ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and polycarboxylate according to weight ratio.
Preparation method is with embodiment 8.
embodiment 10, the present invention contain the disinfection and deinsectization suspending agent of fluoxastrobin
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 30% of embodiment 1 containing fluoxastrobin, auxiliary agent 10%, ethylene glycol 10%, xanthans 0.4%, dimethicone 0.8% and water 48.8%; Described auxiliary agent is that 3:5:4:4 forms by ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and phosphate according to weight ratio.
Preparation method is with embodiment 8.
embodiment 11, the present invention contain the disinfection and deinsectization suspending agent of fluoxastrobin
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%; Described auxiliary agent is that 2:3:2:3 forms by ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and polycarboxylate according to weight ratio.
Preparation method is with embodiment 8.
embodiment 12, the present invention contain the disinfection and deinsectization suspending agent of fluoxastrobin
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%; Described auxiliary agent is that 5:7:6:6 forms by ethylenediamine tetra-acetic acid, lignosulfonates, coco amine APEO and alkylnaphthalene sulfonate formaldehyde condensation products according to weight ratio.
Preparation method is with embodiment 8.
comparative example 4,
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%; Described auxiliary agent is that 3:5 forms by ethylenediamine tetra-acetic acid and lignosulfonates according to weight ratio.
Preparation method is with reference to embodiment 8.
comparative example 5,
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, auxiliary agent 16%, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 51.4%; Described auxiliary agent is that 3:4:4 forms by ethylenediamine tetra-acetic acid, coco amine APEO and polycarboxylate according to weight ratio.
Preparation method is with reference to embodiment 8.
comparative example 6,
Formula: be made up of the component of following weight percent meter: the disinfection and deinsectization composition 25% of embodiment 1 containing fluoxastrobin, ethylene glycol 7%, xanthans 0.2%, dimethicone 0.4% and water 67.4%.
Preparation method is with reference to embodiment 8.
test example one, indoor virulence test
part I: the present invention contains the bactericidal effect of the disinfection and deinsectization composition of fluoxastrobin
1, test medicine preparation
Fluoxastrobin, prothioconazoles, fluorine pyrrole bacterium acid amides, nimbin and sesamin use acetone solution respectively, with containing 1%(percentage by volume) distilled water diluting of acetone, be mixed with the mother liquor of 100mg/L, in mensuration, all with this mother liquor single dose or mixture.Concrete mixture combination is with reference to embodiment 1 ~ 7 and comparative example 1 ~ 3.
2, determination of test method
Adopt mycelial growth to suppress method, computing formula calculates according to formula (1).
Growth inhibition ratio (%)=[(contrast colony diameter-5mm)-(process colony diameter-5mm)]/(contrast colony diameter-5mm) × 100 ... (1)
According to probit value conversion table, inhibition percentage being converted into inhibiting rate probit value, take log concentration as abscissa, and inhibiting rate probit value is ordinate, calculates the virulence regression equation of medicament, obtains EC
50value.
The co-toxicity coefficient (CTC value) of microbicide compositions calculates by formula (2), formula (3) and formula (4):
ATI=S/M×100……………………………………………………………………………(2)
TTI=TI
A×P
A+TI
B×P
B+TI
C×P
C…………………………………………………………(3)
CTC=ATI/TTI×100………………………………………………………………………(4)
In formula (2): ATI-mixture actual measurement toxicity index, the EC of S-standard agent
50, unit is milligrams per liter (mg/L); The EC of M-mixture
50, unit is milligrams per liter (mg/L); The theoretical toxicity index of TTI-mixture in formula (3); TI
a-A medicament toxicity index; P
athe percentage composition of-A medicament in mixture, unit is percentage (%); TI
b-B medicament toxicity index; P
bthe percentage composition of-B medicament in mixture, unit is percentage (%); P
cthe percentage composition of-C medicament in mixture, unit is percentage (%); CTC-co-toxicity coefficient in formula (4); ATI-mixture actual measurement toxicity index; The theoretical toxicity index of TTI-mixture.Co-toxicity coefficient CTC >=120 of built agent show as synergistic effect, and CTC≤80 show as antagonism, and 80 < CTC < 120 show as summation action.
3, interpretation of result
Table 2 embodiment 1 ~ 7 and each composition of comparative example 1 ~ 3 are tested the co-toxicity of downy mildew of garpe pathogen
The disinfection and deinsectization composition of table 3 embodiment 1 containing fluoxastrobin is tested the co-toxicity of various pathogen
From upper table 2:
(1) co-toxicity coefficient of the disinfection and deinsectization composition of the embodiment of the present invention 1 ~ 7 containing fluoxastrobin all >=120, show as synergistic effect, wherein the highest with embodiment 1 co-toxicity coefficient, be 204.73, illustrate that fluoxastrobin, fluorine pyrrole bacterium acid amides and sesamin are the strongest according to the synergistic effect that weight ratio 1:0.6:0.4 is composite, bactericidal effect is best.Therefore, embodiment 1 contains the most preferred embodiment of the disinfection and deinsectization composition of fluoxastrobin for the present invention.
(2) comparative example 1 is compared with embodiment 1, and component is identical, and proportioning is different, its co-toxicity coefficient is starkly lower than embodiment 1, also lower than embodiment 2 ~ 7, illustrate that the present invention contains the disinfection and deinsectization composition of fluoxastrobin in weight ratio 1:(0.3 ~ 0.8): collaborative under (0.2 ~ 0.6), bactericidal effect is remarkable.
(3) comparative example 2 is that fluoxastrobin and sesamin combine with weight ratio 1:0.4; Comparative example 3 is that fluorine pyrrole bacterium acid amides and sesamin combine with weight ratio 0.6:0.4, its co-toxicity coefficient shows as summation action, and when fluoxastrobin, fluorine pyrrole bacterium acid amides and sesamin three are composite, then show as synergistic effect, illustrate to there is very strong synergy between three.
From upper table 3: the disinfection and deinsectization composition of embodiment 1 containing fluoxastrobin all has very strong inhibitory action to pathogens such as tomato powdery mildew, carrot rhizoctonia disease, wild cabbage gray molds, illustrate that the present invention contains the disinfection and deinsectization composition broad spectrum activity of fluoxastrobin by force, to multiple fungal disease, there is favorable effect.
part II: the present invention contains the deinsectization effect of the disinfection and deinsectization composition of fluoxastrobin
1, test medicine preparation
Fluoxastrobin, prothioconazoles, fluorine pyrrole bacterium acid amides, nimbin and sesamin use acetone solution respectively, with containing 1%(percentage by volume) distilled water diluting of acetone, be mixed with the mother liquor of 100mg/L, in mensuration, all with this mother liquor single dose or mixture.Concrete mixture combination is with reference to embodiment 1 ~ 7 and comparative example 1 ~ 3.
For examination insect: oranges and tangerines long paper moth 3 instar larvae of harm Aegiceras corniculatum.
2, determination of test method
Gather the paulownia oranges and tangerines long paper moth larvae in 3 ~ 4 ages from woodland, indoor feeding 2 ~ 3 days, selects the larva of bouncing, puts into plastics square box (17cm × 17cm), often processes 3 repetitions, often repeats 15 larvas.Institute's dose out powders is diluted 1000 times, is sprayed to blade surface, 26 ± 1 DEG C, raise under 80 ± 1%RH condition, after one day, the blade be replaced by without medicine continues to raise, and compares with the distilled water sprayed with amount.Observe examination worm death condition every day, and change fresh blade, Continuous Observation one week, adds up the corrected mortality of each processed group, calculates the LC of each medicament
50value, the co-toxicity coefficient of deinsectization composition calculates by above-mentioned formula (2) ~ formula (4).
3, interpretation of result
Table 4 embodiment 1 ~ 7 and each composition of comparative example 1 ~ 3 are to the virulence test of oranges and tangerines long paper moth
From upper table 4:
(1) co-toxicity coefficient of the disinfection and deinsectization composition of the embodiment of the present invention 1 ~ 7 containing fluoxastrobin all >=120, show as synergistic effect, wherein the highest with embodiment 1 co-toxicity coefficient, be 173.60, illustrate that fluoxastrobin, fluorine pyrrole bacterium acid amides and sesamin are the strongest according to the synergistic effect that weight ratio 1:0.6:0.4 is composite, deinsectization best results.Therefore, embodiment 1 contains the most preferred embodiment of the disinfection and deinsectization composition of fluoxastrobin for the present invention.
(2) comparative example 1 is compared with embodiment 1, and component is identical, and proportioning is different, its co-toxicity coefficient is starkly lower than embodiment 1, also lower than embodiment 2 ~ 7, illustrate that the present invention contains the disinfection and deinsectization composition of fluoxastrobin in weight ratio 1:(0.3 ~ 0.8): collaborative under (0.2 ~ 0.6), deinsectization Be very effective.
(3) comparative example 2 is that fluoxastrobin and sesamin combine with weight ratio 1:0.4; Comparative example 3 is that fluorine pyrrole bacterium acid amides and sesamin combine with weight ratio 0.6:0.4, its co-toxicity coefficient shows as summation action, and when fluoxastrobin, fluorine pyrrole bacterium acid amides and sesamin three are composite, then show as synergistic effect, illustrate to there is very strong synergy between three.
test example two, field control effectiveness test
part I: the present invention contains the bactericidal effect of the disinfection and deinsectization suspending agent of fluoxastrobin
(1) test method
Experimental field be located at Zhu villages and small towns, Guangdong Province, the spraying times of this test is 3 times, the investigation of state of an illness radix is carried out before medicine, spraying time is on May 4th, 2015 for the first time, 2nd spraying time is on May 12nd, 2015, in dispenser on May 24th, 2015 third time, adopt the dispenser of foliar spray method, to spray leave dual sides for degree.
Investigation method is that every community gets 4 investigation at random, and look into four strain wild cabbages at often, whole blade is investigated in every strain.Every blade accounts for the percentage classification of leaf area by scab, records total number of sheets, the sick number of sheets and sick level, and the grade scale of disease index is:
0 grade, anosis;
1 grade, lesion area accounts for less than 5% of one-piece blade area;
3 grades, lesion area accounts for 6% ~ 15% of one-piece blade area;
5 grades, lesion area accounts for 16% ~ 25% of one-piece blade area;
7 grades, lesion area accounts for 26% ~ 50% of one-piece blade area;
9 grades, lesion area accounts for more than 50% of one-piece blade area.
(2) control time and number of times
Test is investigated 3 times altogether, namely within before medicine after disease index investigation, the 3rd medicine 7 days, 15 days, investigates disease index, calculates preventive effect according to formula (5)-(6).
Disease index=∑ (the sick number of sheets × relative level numerical value at different levels)/(investigating the total number of sheets × 9) × 100 ... (5)
Control efficiency (%)=[before 1-(blank district medicine disease index after disease index × treatment region medicine)/(after blank district medicine before disease index × treatment region medicine disease index)] × 100 ... (6)
(3) interpretation of result
The field of disinfection and deinsectization suspending agent to cabbage downy mildew that the present invention contains fluoxastrobin prevents result as shown in table 5.
The each chemicals treatment of table 5 is to the control efficiency of cabbage downy mildew
From upper table 5:
(1) Be very effective of cabbage downy mildew prevented and treated by the disinfection and deinsectization suspending agent of the embodiment of the present invention 8 ~ 12 containing fluoxastrobin, after medication, 7 days, 15 days preventive effects the highest are 90.64%, 93.95%, illustrate that the field control effect of suspending agent of the present invention is remarkable, rapid-action, stable system, lasting medicine, can reduce times for spraying, reduce costs.
(2) the highest with the preventive effect of embodiment 8 in the embodiment of the present invention 8 ~ 10, illustrate that each component of embodiment 8 suspending agent is worked in coordination with, stable system, the drug effect of active component in suspending agent is made to be able to fully lasting performance, therefore, embodiment 8 contains the optimum embodiment of the disinfection and deinsectization suspending agent of fluoxastrobin for the present invention.
(3) comparative example 4 and comparative example 5 are compared with embodiment 8, and it all lacks some component, and its preventive effect differs greatly compared with embodiment 1, further illustrate each component of suspending agent of the present invention and work in coordination with, lack some component and effect can be caused to decline.Comparative example 6 is not containing auxiliary agent, and after its medication, 7 days preventive effects are low, and after medication, 15 days preventive effects significantly reduce, and illustrates and the bactericidal action that auxiliary agent of the present invention can not only improve the present invention and contains the disinfection and deinsectization composition of fluoxastrobin also extends its lasting period.
part II: the present invention contains the deinsectization effect of the disinfection and deinsectization suspending agent of fluoxastrobin
(1) test method
Experimental field be located at Zhu villages and small towns, Guangdong Province, this test is total to dispenser 1 time.
(2) control time and number of times
Investigation insect population radix before medicine, investigates and survives into borer population, investigate 3 times altogether for after dispenser 7,15,30 days respectively.Preventive effect is calculated according to formula (7)-(8).
Revision insect recluced rate (%)=(after insect population radix-dispenser residual borer population)/insect population radix × 100 ... (7)
Control efficiency (%)=(treatment region Revision insect recluced rate-check plot Revision insect recluced rate)/(100-check plot Revision insect recluced rate) × 100 ... (8)
(3) interpretation of result
The field of disinfection and deinsectization suspending agent to wild cabbage diamond-back moth that the present invention contains fluoxastrobin prevents result as shown in table 6.
The each chemicals treatment of table 6 is to the control efficiency of wild cabbage diamond-back moth
From upper table 6:
(1) Be very effective of the disinfection and deinsectization suspending agent control wild cabbage diamond-back moth of the embodiment of the present invention 8 ~ 12 containing fluoxastrobin, under identical extension rate process, after medication, 7 days, 15 days, 30 days preventive effects increase gradually, and the lasting period is long, is obviously better than comparative example; In embodiment 8 ~ 12, the fastest with the onset of embodiment 8 suspending agent, preventive effect is the highest, and after medicine, 30 days preventive effects are up to 95.52%, deinsectization successful, contains the most preferred embodiment of the disinfection and deinsectization suspending agent of fluoxastrobin so embodiment 8 is the present invention.
(2) comparative example 4 and comparative example 5 are compared with embodiment 8, and it all lacks some component, and its preventive effect differs greatly compared with embodiment 1, illustrate further each component of suspending agent of the present invention and work in coordination with, lack some component and effect can be caused to decline.Comparative example 6 is not containing auxiliary agent, and after its medication, 7 days preventive effects are low, and preventive effect continues to reduce, and illustrates and the deinsectization effect that auxiliary agent of the present invention can not only improve the present invention and contains the disinfection and deinsectization composition of fluoxastrobin also extends its lasting period.
In sum, the field control effectiveness test of disinfection and deinsectization suspending agent to wild cabbage that the present invention contains fluoxastrobin shows, the bactericidal action that the present invention contains the disinfection and deinsectization suspending agent of fluoxastrobin is strong, and deinsectization effect is good, onset is quick, and lasting medicine, damage by disease and insect preventive effect is remarkable.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.