CN103222465B - Sterilizing composition containing isopyrazam and triazole bactericide - Google Patents
Sterilizing composition containing isopyrazam and triazole bactericide Download PDFInfo
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Abstract
The invention discloses a sterilizing composition containing isopyrazam and triazole bactericide and application thereof. Effective active components of the sterilizing composition include a first active component and a second active component, wherein the first active component is isopyrazam; the second active component is one of hexaconazole, tebuconazole, difenoconazole, epoxiconazole, cyproconazole and flutriafol; and the weight ratio of the first active component to the second active component is (1:8)-(8:1), preferably (1:5)-(5:1). The composition can be prepared into agriculturally allowable preparation forms such as water dispersible granules, wettable powder and suspending agents. The invention is reasonable in composition and favorable in sterilizing effect; and the activity and the sterilizing effect of the sterilizing composition are not the simple superposition of activities of all the components. Compared with the existing single preparation, the sterilizing composition has remarkable synergistic action beside remarkable sterilizing effect. In addition, the sterilizing composition disclosed by the invention has favorable crop safety, conforms to safety requirements of pesticide preparations and has remarkable control effect on powdery mildew of crops.
Description
Technical field
The present invention relates to a kind of bactericidal composition containing isopyrazam and triazole bactericidal agent, belong to technical field of compounded pesticide.
Background technology
Isopyrazam, English common name isopyrazam, chemical name: 3-(methyl fluoride)-1-methyl-N-[1,2,3,4-tetrahydrochysene-9-isopropyl-Isosorbide-5-Nitrae-methylene-5-base]-pyrazole-4-carboxamide.Isopyrazam is mitochondrial respiratory inhibitor, has stronger inhibitory action, fungi is had to the effect suppressing mycelial growth and sporulation to Spores germination, the growth of germ tube and the formation of absorber.
In triazole bactericidal agent chemical constitution, common feature is containing hydroxyl (ketone group), substituted-phenyl and 1,2,4-triazole group compound on main chain.The pathogen of this kind of medicament to Ascomycotina, Basidiomycotina and Deuteromycotina all has activity, and its mechanism of action, for affect sterols biosynthesis, makes somatic cells film function be damaged.
Introduce several triazole bactericidal agent below:
Own azoles alcohol, English common name hexaconazole, chemical name: (RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)-own-2-alcohol.Own azoles alcohol is a kind of triazole bactericidal agent; it is sterol demethylation inhibitors; there is interior suction, protection and therapeutic activity; can effectively prevent and treat disease caused by sac fungi, basidiomycetes and imperfect fungus, especially have excellent protection and eradicant action to disease such as powdery mildew, rust, scab, brown spot, anthracnose etc. that Basidiomycetes and Ascomycetes cause.
Tebuconazole, other titles: Likeming Gel, English common name: Tebuconazole, chemical name: (RS)-1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4 triazol-1-yl methyl) amylalcohol.Tebuconazole is a kind of efficient, wide spectrum, interior absorption triazole bactericidal agent, and have protection, treat, root out three zones, fungicidal spectrum is wide, the lasting period is long.For seed treatment or foliage spray, effectively can prevent and treat multiple rust, powdery mildew, net blotch, root rot, the head blight of cereal crop, smut and kind pass zonate spot etc.
Difenoconazole, other titles: generation is high, enemy withers pellet, English common name: difenoconazole, chemical name: 1-(2-(4-chlorobenzene oxygen)-2-chlorphenyl-4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2,4-triazole.Difenoconazole has protection, treatment and systemic activity, is sterol demethylation inhibitors, and the biosynthesis of T suppression cell wall sterol stops the growth of fungi.Fungicidal spectrum is wide, and leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop.To Ascomycetes, Basidiomycetes and comprise Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia have lasting protection and therapeutic action.
Epoxiconazole, other titles: Ou Bo, English common name: epoxiconazole, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2,4-triazol-1-yl) methyl] oxirane.Epoxiconazole is a kind of interior absorption triazole bactericidal agent, and its active component suppresses the synthesis of germ ergosterol, hinders the formation of germ cell wall, can more effectively suppress germ fungal pathogens.Good preventive effect is had to the disease such as anthracnose, white rot on leaf spot, powdery mildew, rust and the grape on the crops such as banana, green onion garlic, celery, Kidney bean, melon, asparagus, peanut, beet.
Cyproconazole, English common name cyproconazole, molecular formula C
15h
18clN
3o, chemical name 2-(4-chlorphenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl) fourth-2-alcohol, belong to azoles fungicide, the mechanism of action is for suppressing sterol demethylation, for preventing and treating cereal and coffee rust, cereal, fruit tree and grape powdery mildew, peanut, beet tops pinta, apple scab and peanut white rot, have preventive and therapeutic action, all effective to the Erysiphales on cereal crop, coffee, beet, fruit tree and grape, Uredinales, the mould genus of genus spore, Rhynchosporium spp．, Septoria, Venturia bacterium.
Flutriafol; English common name Flutriafol; chemical name: α-(2-fluorophenyl)-α-(4-fluorophenyl)-1H-1; 2; 4-triazole-1-ethanol; be a kind of broad spectrum activity systemic fungicide, to basidiomycetes and the microbial multiple diseases of ascus, there is good protection and therapeutic action, can effectively prevent and treat wheat crops powdery mildew, rust, smut, smut of maize etc.
The important disease that the crops such as powdery mildew is wheat, melon beans, strawberry, flowers, grape generally occur, often causes very large loss.Resistance risk is there is after isopyrazam listing, alone general to powdery mildew effect.Above-mentioned triazole pesticide, the speed that pathogen produces resistance to it is very fast, uses separately dosage increasing, and dosage conference suppresses plant growth, often causes crop leaf to diminish, hardening, become fragile, the poisoning situation such as Zou's contracting.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and bactericidal effect is good, and drug cost is low, to the agricultural bactericidal composition of crop safety.
Another object of the present invention is to provide the application of above-mentioned bactericidal composition in control crop powdery mildew.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention solves like this:
A kind of bactericidal composition containing isopyrazam and triazole bactericidal agent, its composition active component is azoles naphthalene bacterium amine and triazole bactericidal agent, the weight ratio of azoles naphthalene bacterium amine and triazole bactericidal agent is 1:8 ~ 8:1, is preferably 1:5 ~ 5:1, most preferably is 1:2 ~ 2:1.
Described triazole bactericidal agent is oneself azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole, Cyproconazole, Flutriafol preferably.The content sum of azoles naphthalene bacterium amine and triazole bactericidal agent is 5% ~ 80% of described composition total weight, is preferably 10% ~ 60%.
Above-mentioned composition formulation is water dispersible granules, wetting powder or suspending agent, is applied to control crop powdery mildew, as wheat powdery mildew or powdery mildew of strawberry.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, urea, sucrose, glucose one or more; Binding agent is as one or more in diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose family; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Filler as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), Huntsman Corporation of the TERSPERSE 2020(U.S. produce, alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier is as Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: Span60), Tween-60 #(common name: polyoxyethylene sorbitan stearate), agriculture breast 1601#(common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), one or more in TERSPERSE 4894; Wetting agent as in alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more; Stabilizing agent as in epoxidized soybean oil, epoxychloropropane, triphenyl phosphate one or more; Defoamer is as organic silicon defoamer; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Water is deionized water.
Also there is no the report of isopyrazam and triazole bactericidal agent mixture control crop powdery mildew at present; inventor is found by test; by isopyrazam different for the mechanism of action and above-mentioned triazole bactericidal agent composite; have significant synergies; treatment, the control efficiency of protection, minimizing dosage can be significantly improved; reduce cost accounting, high to crop safety.
Instant component is reasonable, and treatment adds protective effect, and bactericidal effect is good, and drug cost is low, and its activity and bactericidal effect are not the simple superposition of each composition activity, but has significant synergistic effect, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to crop powdery mildew.
Embodiment
In order to prevent and treat the wheat powdery mildew of agricultural production, inventor has carried out mutual composite synergy with isopyrazam and own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole, Cyproconazole, Flutriafol and has studied, and concrete grammar is:
Subjects is wheat powdery mildew (Erysiphe graminis).Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1156.4-2006 farm-chemical indoor determination test rule bactericide the 4th part: control wheat powdery mildew test pot-culture method ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (preventive effect sets by geometric progression in the scope of 5% ~ 90%).Select susceptible wheat breed potted plant, treat that seedling grew to for 2 leaf ~ 3 leaf phases for subsequent use.The Powdery Mildew Fresh spores that morbidity wheat leaf blade produces in 24h is evenly shaken off to be inoculated in process 2 leaf phase ~ 3 leaf phase potted plant wheat seedlings on.Often process is no less than 3 basins, the strain of every basin 10.After inoculating 24 h, by spray-on process, medicament is evenly sprayed on wheat seedling for subsequent use, cultivates under then putting suitable condition.When contrast wheat seedling is fully fallen ill all blades of " Invest, Then Investigate " every basin wheat seedling, adopt following stage division:
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.
Computational methods:
Disease index=[∑ (the sick number of sheets × relative level numerical value at different levels)/(investigation total leaf number × 9)] × 100
Control efficiency (%)=[(contrast disease index-process disease index)/contrast disease index] × 100
By the linear regression analysis between the probit value of preventive effect and the logarithm value of series concentration, obtain the EC of each medicament
50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to germ with this by the abundant method of Sun Yun.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination result shows: isopyrazam and own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole, Cyproconazole, Flutriafol are that 1:8 ~ 8:1 is mixed with weight ratio has good virulence to wheat powdery mildew, all having good synergistic effect, is that 1:5 ~ 5:1 synergy is the most remarkable especially with weight ratio.
Below in conjunction with embodiment, content of the present invention is described further.
Example of formulations 1
Take 15% isopyrazam, 30% own azoles alcohol, 3% TERSPERSE 2700,3% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 2% Nekal BX (nekal), 2% K-12(lauryl sodium sulfate), 1% carboxymethyl cellulose, 5% urea, diatomite adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 45% isopyrazam diniconazole water dispersible granule.
Example of formulations 2
Take 10% isopyrazam, 70% Tebuconazole, 1% TERSPERSE 2700,1% dispersing agent NNO, 1% Nekal BX, 1%K-12,1% carboxymethyl cellulose, diatomite adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 80% isopyrazam tebuconazole water dispersible granule.
Example of formulations 3
20% isopyrazam, 20% Difenoconazole, 4% TERSPERSE 2700,2% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% corn starch, 5% sulphur ammonium, attapulgite add to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 40% isopyrazam difenoconazole water dispersible granule.
Example of formulations 4
Take 7% isopyrazam, 56% epoxiconazole, 4% Morwet D-425(alkyl naphthalene sulfonic acid condensation polymer sodium salt, Akzo Nobel N.V. produces), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% corn starch, 5% sucrose, kaolin adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 63% isopyrazam epoxiconazole water dispersant.
Example of formulations 5
Take 10% isopyrazam, 30% Cyproconazole, 3% TERSPERSE 2700,3% dispersing agent NNO, 2% Nekal BX, 2%K-12,1% carboxymethyl cellulose, 5% urea, diatomite adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 40% isopyrazam Cyproconazole water dispersible granules.
Example of formulations 6
12% isopyrazam, 24% Flutriafol, 3% TERSPERSE 2700,2% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% corn starch, 3% urea, diatomite add to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 36% isopyrazam Flutriafol water dispersible granules.
Example of formulations 7
Take 8% isopyrazam, 40% own azoles alcohol, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% White Carbon black, fine particle calcium carbonate add to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 48% isopyrazam own azoles alcohol wetting powder after air-flow crushing.
Example of formulations 8
Take 5% isopyrazam, 25% Tebuconazole, 4% calcium lignosulfonate, 4% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% White Carbon black, attapulgite add to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 30% isopyrazam Tebuconazole wetting powder after air-flow crushing.
Example of formulations 9
Take 10% isopyrazam, 50% Difenoconazole, 4% calcium lignosulfonate, 4% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% White Carbon black, attapulgite add to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 60% isopyrazam Difenoconazole wetting powder after air-flow crushing.
Example of formulations 10
Take 12% isopyrazam, 18% epoxiconazole, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% White Carbon black, fine particle calcium carbonate add to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 30% isopyrazam epoxiconazole wetting powder after air-flow crushing.
Example of formulations 11
Take 30% isopyrazam, 6% Cyproconazole, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,5% White Carbon black, kaolin adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 36% isopyrazam Cyproconazole wetting powder after air-flow crushing.
Example of formulations 12
Take 40% isopyrazam, 5% Flutriafol, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% ammonium sulfate, attapulgite add to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 45% isopyrazam Flutriafol wetting powder after air-flow crushing.
Example of formulations 13
Take 9% isopyrazam, 27% own azoles alcohol, 4% Huntsman Corporation of the TERSPERSE 4894(U.S. produce), 1.5% Huntsman Corporation of the TERSPERSE 2500(U.S. produces), 2% Huntsman Corporation of the TERSPERSE 2020(U.S. produces), 1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product Company), 2% triphenyl phosphate, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 36% isopyrazam hexaconazole suspending agent obtained after sand mill sand milling.
Example of formulations 14
Take 20% isopyrazam, 10% Tebuconazole, this dish of 2%TERSPERSE 2020,2%-60#, 2% Tween-60 #, 1%TERSPERSE 2500,0.5% white carbon, 0.3% xanthans, 5% ethylene glycol, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 30% isopyrazam tebuconazole suspension concentrates obtained after sand mill sand milling.
Example of formulations 15
Take 24% isopyrazam, 8% Difenoconazole, this dish of 2%TERSPERSE 2020,2%-60#, 2% Tween-60 #, 1%TERSPERSE 2500,0.5% white carbon, 0.3% xanthans, 5% ethylene glycol, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 32% isopyrazam difenoconazole suspending agent obtained after sand mill sand milling.
Example of formulations 16
Take 2% isopyrazam, 3% epoxiconazole, 1%TERSPERSE 2020,3% agriculture breast 1601#, 2% agriculture breast 2201#, 1%TERSPERSE 2500,0.3% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.High speed shear dispersion 30min, with 5% isopyrazam epoxiconazole suspension concentrate obtained after sand mill sand milling.
Example of formulations 17
Take 5% isopyrazam, 5% Cyproconazole, 4%TERSPERSE 4894,1.5%TERSPERSE 2500,1%TERSPERSE 2020,0.2% aluminium-magnesium silicate, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 10% isopyrazam Cyproconazole suspending agent obtained after sand mill sand milling.
Example of formulations 18
Take 16% isopyrazam, 8% Flutriafol, 2%TERSPERSE 2020,2% Nongru-700 #, 2% Tween-60 #, 1%TERSPERSE 2500,0.5% white carbon, 0.3% polyvinyl alcohol, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 24% isopyrazam Flutriafol suspending agent obtained after sand mill sand milling.
Biological Examples: control powdery mildew of strawberry field trial
Within 2012, carry out example of formulations 1(45% isopyrazam diniconazole water dispersible granule in Hu County county of Shaanxi Province), example of formulations 14(30% isopyrazam tebuconazole suspension concentrates), example of formulations 3(40% isopyrazam difenoconazole water dispersible granule), example of formulations 10(30% isopyrazam epoxiconazole wetting powder), example of formulations 5(40% isopyrazam Cyproconazole water dispersible granules), example of formulations 6(36% isopyrazam Flutriafol water dispersible granules) prevent and treat powdery mildew of strawberry field trial, demonstrate the control efficiency of this several medicament to powdery mildew of strawberry and the safety to strawberry.Test method is with reference to " GB/T 17980.119-2004 pesticide field efficacy medicine test criterion (two) the bactericidal agent for preventing and treating powdery mildew of strawberry test of pesticide effectiveness ".Trial crops is strawberry, and controlling object is powdery mildew (Sphaerotheca macularis).Carry out in the greenhouse strawberry base of plantation more than 2 years continuously.Test medicine and extension rate refer to table 2.Separately establish blank, often process 4 times and repeat, every community 20 ㎡, Gong56Ge community, random district group arranges.Adopt conventional spray-on process, mu dispenser liquid 50kg, evenly sprays complete stool.1st dispenser is at Strawberry Seedlings powdery mildew their early stage, and second time medication afterwards in 7 days, is total to dispenser 2 times.
Investigation and statistical method:
7 days investigation blade incidences after 7 days and second time medicine after first time medicine.Every community diagonal 5 sampling, often some investigation 3 strains.Whole blade is investigated in every strain.
Stage division:
0 grade: without scab;
1 grade: lesion area accounts for less than 5% of whole leaf area;
3 grades: lesion area accounts for 6% ~ 15% of whole leaf area;
5 grades: lesion area accounts for 16% ~ 25% of whole leaf area
7 grades: lesion area accounts for 26% ~ 50% of whole leaf area;
9 grades: lesion area accounts for more than 50% of whole leaf area.
Refer to calculate preventive effect according to disease.After each medicine after visual observations dispenser on the situation that affects of strawberry growth, leaf look etc., examination medicament to the safety of strawberry.
Disease index=[∑ (the sick number of sheets × relative level numerical value at different levels)/(investigation total leaf number × 9)] × 100
Control efficiency (%)=[(contrast disease index-process disease index)/contrast disease index] × 100.
Field test results shows: 45% isopyrazam diniconazole water dispersible granule 3000 times, 30% isopyrazam tebuconazole suspension concentrates 2000 times, 40% isopyrazam difenoconazole water dispersible granule 3000 times, 30% isopyrazam epoxiconazole wetting powder 2000 times, 40% isopyrazam Cyproconazole water dispersible granules 4000 times, 36% isopyrazam Flutriafol water dispersible granules 2500 doubly has good control efficiency to powdery mildew of strawberry, after medicine, the preventive effect of 7 days is respectively 80.59% for the first time, 81.66%, 84.38%, 85.21%, 82.13%, 82.96%, after second time medicine, the preventive effect of 7 days is 89.28%, 90.26%, 91.68%, 92.30%, 87.06%, 91.07%, obviously be better than the preventive effect (see table 2) of 6 kinds of single doses such as 30% isopyrazam suspending agent, 1500 times of grades.
Under this experimental condition, visual observations reagent agent is to the safety of strawberry, and result shows, and this several medicament all produces without poisoning From Strawberry Leaves, petiole and flowers and fruits, performance safety.
Result of the test significantly improves the control efficiency to powdery mildew of strawberry after showing isopyrazam and own azoles alcohol, Tebuconazole, Difenoconazole, epoxiconazole, Cyproconazole, Flutriafol mixture, to strawberry growth safety, is the favourable agents of control powdery mildew of strawberry.
In sum, composition of the present invention is employing two kinds of active component compound schemes, its activity and bactericidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, except there is significant bactericidal effect, and have significant synergistic effect, and good to crop safety, meet the security requirement of pesticidal preparations.
Claims (9)
1., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 15% isopyrazam, 30% own azoles alcohol, 3% TERSPERSE 2700,3% dispersing agent NNO, 2% Nekal BX, 2% K-12,1% carboxymethyl cellulose, 5% urea, diatomite add to 100% weight portion.
2., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 10% isopyrazam, 70% Tebuconazole, 1% TERSPERSE 2700,1% dispersing agent NNO, 1% Nekal BX, 1%K-12,1% carboxymethyl cellulose, diatomite add to 100% weight portion.
3., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 10% isopyrazam, 30% Cyproconazole, 3% TERSPERSE 2700,3% dispersing agent NNO, 2% Nekal BX, 2%K-12,1% carboxymethyl cellulose, 5% urea, diatomite add to 100% weight portion.
4., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 8% isopyrazam, 40% own azoles alcohol, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% White Carbon black, fine particle calcium carbonate add to 100% weight portion.
5., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 5% isopyrazam, 25% Tebuconazole, 4% calcium lignosulfonate, 4% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% White Carbon black, attapulgite add to 100% weight portion.
6., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 30% isopyrazam, 6% Cyproconazole, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,5% White Carbon black, kaolin add to 100% weight portion.
7., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 9% isopyrazam, 27% own azoles alcohol, 4% TERSPERSE 4894,1.5% TERSPERSE 2500,2% TERSPERSE 2020,1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent, 2% triphenyl phosphate, deionized water add to 100% weight portion.
8., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 20% isopyrazam, this dish of 10% Tebuconazole, 2%TERSPERSE 2020,2%-60#, 2% Tween-60 #, 1%TERSPERSE 2500,0.5% white carbon, 0.3% xanthans, 5% ethylene glycol, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.
9., containing the application of bactericidal composition in control powdery mildew of strawberry of isopyrazam, described composition components is 5% isopyrazam, 5% Cyproconazole, 4%TERSPERSE 4894,1.5%TERSPERSE 2500,1%TERSPERSE 2020,0.2% aluminium-magnesium silicate, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water add to 100% weight portion.
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| CN201310191969.7A CN103222465B (en) | 2013-05-23 | 2013-05-23 | Sterilizing composition containing isopyrazam and triazole bactericide |
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| CN104705304A (en) * | 2013-12-11 | 2015-06-17 | 上海中冠生物科技有限公司 | Compounded bactericide and preparation method thereof |
| EP2885970A1 (en) * | 2013-12-21 | 2015-06-24 | Bayer CropScience AG | Fungicide compositions comprising compound I, at least one succinate dehydrogenase (SDH) inhibitor and at least one triazole fungicide |
| CN105309444A (en) * | 2014-07-11 | 2016-02-10 | 深圳诺普信农化股份有限公司 | Isopyrazam-containing sterilization composition |
| CN104430379A (en) * | 2014-11-14 | 2015-03-25 | 浙江威尔达化工有限公司 | Isopyrazam and tetraconazole bactericidal composition and application thereof |
| CN104430380A (en) * | 2014-11-14 | 2015-03-25 | 浙江威尔达化工有限公司 | Isopyrazam and hexaconazole bactericidal composition and application thereof |
| CN109380235A (en) * | 2017-08-07 | 2019-02-26 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN109730074A (en) * | 2019-01-14 | 2019-05-10 | 兴农药业（中国）有限公司 | A kind of composition pesticide containing isopyrazam and Tebuconazole |
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| WO2009040397A1 (en) * | 2007-09-26 | 2009-04-02 | Basf Se | Ternary fungicidal compositions comprising boscalid and chlorothalonil |
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