CN104957146A - Sterilization composition containing tetraconazole and cyflufenamid - Google Patents
Sterilization composition containing tetraconazole and cyflufenamid Download PDFInfo
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- CN104957146A CN104957146A CN201510359565.3A CN201510359565A CN104957146A CN 104957146 A CN104957146 A CN 104957146A CN 201510359565 A CN201510359565 A CN 201510359565A CN 104957146 A CN104957146 A CN 104957146A
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- cyflufenamid
- tetraconazole
- powdery mildew
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- LQDARGUHUSPFNL-UHFFFAOYSA-N 1-[2-(2,4-dichlorophenyl)-3-(1,1,2,2-tetrafluoroethoxy)propyl]1,2,4-triazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(COC(F)(F)C(F)F)CN1C=NC=N1 LQDARGUHUSPFNL-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000005755 Cyflufenamid Substances 0.000 title claims abstract description 82
- 239000005840 Tetraconazole Substances 0.000 title claims abstract description 82
- ACMXQHFNODYQAT-UHFFFAOYSA-N cyflufenamid Chemical compound FC1=CC=C(C(F)(F)F)C(C(NOCC2CC2)=NC(=O)CC=2C=CC=CC=2)=C1F ACMXQHFNODYQAT-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000000203 mixture Substances 0.000 title claims abstract description 38
- 230000001954 sterilising effect Effects 0.000 title abstract 5
- 238000004659 sterilization and disinfection Methods 0.000 title abstract 5
- 241000221785 Erysiphales Species 0.000 claims abstract description 39
- 244000052769 pathogen Species 0.000 claims abstract description 14
- 230000001717 pathogenic effect Effects 0.000 claims abstract description 13
- 241001480059 Erysiphaceae Species 0.000 claims abstract description 6
- 239000004480 active ingredient Substances 0.000 claims description 20
- 230000000844 anti-bacterial effect Effects 0.000 claims description 18
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 5
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- 238000002156 mixing Methods 0.000 description 5
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
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- 241000607479 Yersinia pestis Species 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
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- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 241000589516 Pseudomonas Species 0.000 description 1
- 241000221300 Puccinia Species 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 241001515786 Rhynchosporium Species 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 241000209056 Secale Species 0.000 description 1
- 235000007238 Secale cereale Nutrition 0.000 description 1
- 241001533598 Septoria Species 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 241001250070 Sporisorium reilianum Species 0.000 description 1
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- 244000269722 Thea sinensis Species 0.000 description 1
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- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
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- BEHLMOQXOSLGHN-UHFFFAOYSA-N benzenamine sulfate Chemical compound OS(=O)(=O)NC1=CC=CC=C1 BEHLMOQXOSLGHN-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- UDHMTPILEWBIQI-UHFFFAOYSA-N butyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(=O)OCCCC)=CC=CC2=C1 UDHMTPILEWBIQI-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000017858 demethylation Effects 0.000 description 1
- 238000010520 demethylation reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
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- 230000000855 fungicidal effect Effects 0.000 description 1
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- 235000011187 glycerol Nutrition 0.000 description 1
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- 239000003112 inhibitor Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 1
- 229940073769 methyl oleate Drugs 0.000 description 1
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- 235000021017 pears Nutrition 0.000 description 1
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- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a sterilization composition containing tetraconazole and cyflufenamid. The sterilization composition comprises an inert ingredient, tetraconazole and cyflufenamid, the mass fraction ratio of the tetraconazole to the cyflufenamid ranges from 1:20 to 20:1, and the mass fraction ratio of the total mass of the tetraconazole and the cyflufenamid to the mass of the sterilization composition ranges from 5%-80%; the tetraconazole to the cyflufenamid have the obvious synergistic interaction effect on pathogen fungi after being compounded, and the sterilization composition is suitable for preventing and treating crop diseases caused by the pathogen fungi, and is particularly suitable for preventing and treating crop powdery mildew caused by erysiphaceae pathogens.
Description
Technical field
The bactericidal composition that the present invention relates to, be with tetraconazole and cyflufenamid for active ingredient, be applicable to control by the fungus-caused crop pest of pathogen, especially the crop powdery mildew that causes of Erysiphaceae (Erysiphales) pathogen.
Background technology
Tetraconazole, english common name Tetraconazole is triazole bactericidal agent, is sterol demethylation inhibitors, has absorption well, therefore can promptly be absorbed by plants, and in conducted inside; There is well protection and therapeutic activity.Tetraconazole be mainly used in control cereal crop as wheat, barley, oat, rye etc., fruit tree as banana, grape, pears, apple etc., vegetables as melon, beet, ornamental plants etc.Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and the microbial disease of Septoria can be prevented and treated, as wheat powdery mildew, loose smut of wheat, wheat rust, the bunt of wheat, wheat grain husk blessing disease, barley leaf blotch, loose smut of barley, barley banded sclerotial blight, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, alternaria leaf spot of apple, pear scab and grape powdery mildew etc.Both can cauline leaf process, also can make seed treatment and use.
Cyflufenamid, english common name Cyflufenamid, cyflufenamid is systemic fungicide, has excellent protection, therapeutic activity, holding effect is active and resistance of rainwater washing against is active; Suppress the formation of the haustorium on Powdery Mildew mycelia and growth, the growth of secondary hyphae and conidial formation.With the numerous bactericide used at present without cross resistance, there are excellent effect and characteristic to the powdery mildew of various vegetables and wheat class.
Found by test, tetraconazole and cyflufenamid Fusicladium used in combination (Fusicladium), ring Fusicladium (Sphlocaea) and Erysiphaceae (Erysiphales) pathogen tool pathogen have synergistic function especially in 20:1 ~ 1:20 proportion, to have obvious synergistic effect to Erysiphaceae (Erysiphales) pathogen.
Can excipient be the formulation agriculturally commonly used by certain technological means tetraconazole and cyflufenamid composition.
Summary of the invention
The present invention aims to provide the Synergistic bactericidal composition that a kind of active ingredient is tetraconazole and cyflufenamid, for the prevention and control of crop fungal disease are especially for crop powdery mildew provides a kind of effectively management tool.
The technical solution adopted in the present invention is: a kind of bactericidal composition containing tetraconazole and cyflufenamid, comprise usual auxiliaries and tetraconazole, cyflufenamid, the ratio of quality and the number of copies of tetraconazole and cyflufenamid is 20:1-1:20, and tetraconazole and the percentage by weight of cyflufenamid quality summation in bactericidal composition are 5%-80%.
Preferably, tetraconazole and the mass percent of cyflufenamid quality summation in bactericidal composition are 20%-60%.
Further, described bactericidal composition can be mixed with suspending agent, dispersible oil-suspending agent according to well known to a person skilled in the art method, the application forms of the applicable agricultural use such as water dispersible granules, wetting powder.
Described bactericidal composition is also containing the usual auxiliaries of preparation needed for pesticidal preparations, usual auxiliaries is the mixing of one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Bactericidal composition provided by the invention, being applicable to control has the fungus-caused crop pest of pathogen, especially the crop powdery mildew that causes of Erysiphaceae (Erysiphales) pathogen.
Bactericidal composition provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
Bactericidal composition provided by the invention has following beneficial effect:
1, bactericidal composition provided by the invention, shows obvious synergistic effect in certain ratio range, and the control efficiency of composition is significantly improved than single dose, reduces the using dosage of agricultural chemicals, decreases the impact of agricultural chemicals on environment, reduces drug cost.
2, the active ingredient mechanism of action of bactericidal composition provided by the invention is different, and the application of composition can delay or overcome the generation of disease drug resistance, extends the service life of medicament, is conducive to the comprehensive regulation of disease
Embodiment
In order to understand essence of the present invention better, be described further by following examples, but the present invention is not limited to these embodiments.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
According to the abundant method of Sun Yun, the synergy of pharmacy mix is evaluated according to co-toxicity coefficient (CTC), namely CTC≤80 are joint action of antagonism, and 80 < CTC < 120 are joint action of antagonism, and CTC >=120 are synergistic function.Actual measurement toxicity index (ATI)=(EC of standard agent
50the EC of/reagent agent
50) × 100; In the toxicity index × mixture of theoretical toxicity index TTI=A medicament the percentage composition+B medicament of A medicament toxicity index × mixture in the percentage composition of B medicament; Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
Embodiment one: tetraconazole cyflufenamid is to the Toxicity Determination of dlumeria graminis cereal specialized form (Blumeriagraminis f.sp.tritici).
Subjects picks up from the wheat powdery mildew pathogen dlumeria graminis cereal specialized form (Blumeria graminis f.sp.tritici) in field, method reference " People's Republic of China (PRC) agricultural industry criteria NY/T 1156.4-2006 ", pot experiment method.
Table 1, tetraconazole cyflufenamid are to the Toxicity Determination result of dlumeria graminis cereal specialized form (Blumeria graminis f.sp.tritici).
As shown in Table 1, tetraconazole and cyflufenamid mixture mass ratio are between 20:1 ~ 1:20, and have obvious synergistic effect to dlumeria graminis cereal specialized form (Blumeria graminis f.sp.tritici), co-toxicity coefficient is all more than 145.
Embodiment two: tetraconazole cyflufenamid is to the Toxicity Determination of monofilament shell (Sphaerotheca fuliginea).
Subjects is pick up from powdery mildew of cucumber pathogen monofilament shell (Sphaerothecafuliginea) in field, pot experiment method.
Table 2, tetraconazole cyflufenamid are to the Toxicity Determination result of monofilament shell (Sphaerotheca fuliginea).
As shown in Table 2, tetraconazole and cyflufenamid mixture mass ratio are between 20:1 ~ 1:20, and have obvious synergistic effect to Tartar's internal thread powdery mildew (Leveillula taurica), co-toxicity coefficient is all more than 150.
Embodiment three: tetraconazole cyflufenamid is to the Toxicity Determination of Tartar's internal thread powdery mildew (Leveillulataurica).
Subjects is pick up from tomato powdery mildew pathogen Tartar internal thread powdery mildew (Leveillula taurica) in field, pot experiment method.
Table 3, tetraconazole cyflufenamid are to the Toxicity Determination result of Tartar's internal thread powdery mildew (Leveillula taurica).
As shown in Table 3, tetraconazole and cyflufenamid mixture are between 20:1 ~ 1:20, and have obvious synergistic effect to Tartar's internal thread powdery mildew (Leveillula taurica), co-toxicity coefficient is all more than 150.
Below in conjunction with example of formulations to further instruction of the present invention.
Embodiment four: (tetraconazole cyflufenamid suspending agent)
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtains the tetraconazole cyflufenamid suspending agent of corresponding percentage by weight.
Embodiment five: 40% tetraconazole cyflufenamid suspending agent
Tetraconazole 305 grams, cyflufenamid 103 grams, 35 grams, lignosulfonates sodium, 31 grams, fatty acid ester sodium sulphate, to methoxyl group fatty acyl anilinesulfonic acid 5.1 grams, fatty alcohol-polyoxyethylene ether 5.1 grams, glycerine 5.2 grams, xanthans 1.1 grams, deionized water complements to 1000 grams, above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, after high shear mixing, allocate tetraconazole cyflufenamid suspending agent processed, after testing, tetraconazole content 30.3%, cyflufenamid content 10.2%, total effective content 40.5%.
Embodiment six: control wheat powdery mildew
The spraying of 200g a.i./ha thin up pressed by 40.5% tetraconazole cyflufenamid suspending agent, after medicine, the preventive effect of 7 days, 14 days is 89.9%, 82.5%, 50% tetraconazole water dispersible granules presses 200ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 200g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 77.4%, 70.1% and 79.2%, 71.7%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of wheat powdery mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of wheat powdery mildew.
Embodiment seven: prevent and treat powdery mildew of cucumber
The spraying of 150g a.i./ha thin up pressed by 40.5% tetraconazole cyflufenamid suspending agent, after medicine, the preventive effect of 7 days, 14 days is 93.0%, 82.5%, 50% tetraconazole water dispersible granules presses 150ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 150g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 82.0%, 70.4% and 81.3%, 73.2%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of powdery mildew of cucumber, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of powdery mildew of cucumber.
Embodiment eight: (tetraconazole cyflufenamid oil-suspending agent)
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material puts into high-shear emulsifying still again together with the organobentonite dissolved in advance, namely can be made into the tetraconazole cyflufenamid oil-suspending agent of the good corresponding percentage by weight of flowing to property after emulsification.
Embodiment nine: 30% tetraconazole cyflufenamid oil-suspending agent
Tetraconazole 155 grams, cyflufenamid 154 grams, 45 grams, lignosulfonates sodium, fatty alcohol-polyoxyethylene ether 52 grams, methyl oleate 249 grams, organobentonite 83 grams, dodecyl sodium sulfonate calcium salt 60 grams, turpentine oil complements to 1000 grams, is pulverized in advance in proportion by above-mentioned formula, add in sand mill again and grind, the obtained tetraconazole cyflufenamid oil-suspending agent of allotment after high shear mixing, after testing, tetraconazole effective content 15.2%, cyflufenamid effective content 15.1%, total effective content 30.3%.
Embodiment ten: control grape powdery mildew
30.3% tetraconazole cyflufenamid oil-suspending agent presses the spraying of 500mg/kg thin up, after medicine, the preventive effect of 7 days, 14 days is 91.8%, 80.6%, 50% tetraconazole water dispersible granules presses 500mg./kg, 10% cyflufenamid suspending agent by the spraying of 500mg/kg thin up, and after medicine, 7 days, 14 days preventive effects are respectively 79.3%, 70.7% and 80.6%, 68.9%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of grape powdery mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of grape powdery mildew.
Embodiment 11: prevent and treat oily apple mildew
30.3% tetraconazole cyflufenamid oil-suspending agent presses the spraying of 150g a.i./ha thin up, after medicine, the preventive effect of 7 days, 14 days is 92.6%, 82.8%, 50% tetraconazole water dispersible granules presses 150ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 150g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 81.3%, 72.5% and 82.6%, 68.4%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of apple mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of apple mildew.
Embodiment 12: (tetraconazole cyflufenamid water dispersible granules)
Above-mentioned material is added in cone-type mixer together and mixes; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add in kneader and be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, after drying, screening, after granulation, namely obtain the tetraconazole cyflufenamid water dispersible granules of corresponding percentage by weight.
Embodiment 13: 60% tetraconazole cyflufenamid water dispersible granules
Tetraconazole 456 grams, cyflufenamid 155 grams, sodium lignin sulfonate 42 grams, 60 grams, polycarboxylic acids sodium, glucose 52 grams, 39 grams, the withered powder of tea, kaolin complements to 1000.By above-mentioned formula in proportion dry pulverization process, granulation, drying, screening make and obtain tetraconazole cyflufenamid water dispersible granules, after testing, tetraconazole effective content 45.1%, cyflufenamid effective content 15.2%, total effective content 60.3%.
Embodiment 14: control powdery mildew of strawberry
60.3% tetraconazole cyflufenamid water dispersible granules presses the spraying of 150g a.i./ha thin up, after medicine, the preventive effect of 7 days, 14 days is 89.2%, 81.5%, 50% tetraconazole water dispersible granules presses 150ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 150g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 76.6%, 70.2% and 78.1%, 71.0%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of powdery mildew of strawberry, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of powdery mildew of strawberry.
Embodiment 15: control Rose Powdery Mildew
60.3% tetraconazole cyflufenamid water dispersible granules presses the spraying of 120g a.i./ha thin up, after medicine, the preventive effect of 7 days, 14 days is 91.1%, 81.3%, 50% tetraconazole water dispersible granules presses 120ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 120g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 81.2%, 70.5% and 80.8%, 69.5%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of Rose Powdery Mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides the more efficiently management tool of a kind of Rose Powdery Mildew.
Embodiment 16: (tetraconazole cyflufenamid wetting powder)
Above-mentioned material is added in cone-type mixer together and mixes, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains the tetraconazole cyflufenamid wetting powder of corresponding percentage by weight.
Embodiment 17: 50% tetraconazole cyflufenamid wetting powder
Tetraconazole 407 grams, cyflufenamid 105 grams, lignosulfonates calcium 51 grams, lauryl sodium sulfate 44 grams, sodium butylnaphthalenesulfonate 52 grams, white carbon 55 grams, kaolin complements to 1000 grams.Mix entering in blender after above-mentioned formula in proportion coarse crushing, namely tetraconazole cyflufenamid wetting powder is obtained again after air-flow crushing, after testing, tetraconazole effective content 40.1%, cyflufenamid effective content 10.3%, total effective content 50.4%.
Embodiment 18: chrysanthemum powdery mildew is viewed and admired in control
The spraying of 100g a.i./ha thin up pressed by 50.4% tetraconazole cyflufenamid wetting powder, after medicine, the preventive effect of 7 days, 14 days is 90.6%, 81.1%, 50% tetraconazole water dispersible granules presses 100ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 100g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 81.6%, 70.1% and 80.7%, 72.3%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful viewing and admiring chrysanthemum powdery mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, view and admire the more efficiently management tool of chrysanthemum powdery mildew for plantation family provides one.
Embodiment 19: control garden pea powdery mildew
The spraying of 120g a.i./ha thin up pressed by 50.4% tetraconazole cyflufenamid wetting powder, after medicine, the preventive effect of 7 days, 14 days is 91.8%, 82.2%, 50% tetraconazole water dispersible granules presses 120ga.i./ha, 10% cyflufenamid suspending agent by the spraying of 120g a.i./ha thin up, and after medicine, 7 days, 14 days preventive effects are respectively 80.5%, 69.3% and 81.7%, 72.2%.Tetraconazole and the composite rear synergistic effect of cyflufenamid obvious, single dose is better than to the preventive effect successful of garden pea powdery mildew, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviate carrying capacity of environment, reduce use cost, for plantation family provides a kind of more effective management tool of garden pea powdery mildew.
Claims (3)
1. contain a bactericidal composition for tetraconazole and cyflufenamid, it is characterized in that: active ingredient is tetraconazole and cyflufenamid.
2. a kind of bactericidal composition containing tetraconazole and cyflufenamid according to claim 1, it is characterized in that: the ratio of quality and the number of copies of tetraconazole and cyflufenamid is 20:1 ~ 1:20, tetraconazole and the percentage by weight of cyflufenamid quality summation in bactericidal composition are 5%-80%.
3. the application in the crop powdery mildew that causes at control Erysiphaceae pathogen of a kind of bactericidal composition containing tetraconazole and cyflufenamid according to claim 1.
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Application publication date: 20151007 |