CN103478134A - Efficient bactericidal composition comprising fenamidone - Google Patents
Efficient bactericidal composition comprising fenamidone Download PDFInfo
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- CN103478134A CN103478134A CN201210191105.0A CN201210191105A CN103478134A CN 103478134 A CN103478134 A CN 103478134A CN 201210191105 A CN201210191105 A CN 201210191105A CN 103478134 A CN103478134 A CN 103478134A
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Abstract
The invention discloses an efficient bactericidal composition comprising fenamidone, the efficient bactericidal composition comprises an active component A and an active component B, the active component A is selected from the fenamidone, the active component B is selected from any of the following compounds: cyprodinil, pyrimethanil, diethofencarb, iprodione or procymidone, and the weight ratio of the active component A to the active component B is 1:80-60:1. The bactericidal composition of the invention has high activity against a variety of diseases of various crops, has an obvious synergistic effect and an expanded bactericidal spectrum, and has the characteristics of small drug use amount, rain drop erosion resistance and obvious synergistic effect.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of efficient bactericidal composite on crop pest containing Fenamidone.
Technical background
Fenamidone (fenamidone) molecular formula: C
17h
17n
3oS, chemical name: (S)-1-anilino--4-methyl-2-methyl mercapto-4-benzylimidazoline-5-ketone, the mechanism of action of Fenamidone and Famoxate and methoxy acrylic bactericide is similar, shift to suppress the breathing of line runic by state retardance electronics on former side of body level at hydrogenation olive ferment Q mono-cromoci radon, imidazoles bacterium cave (S)-enantiomer specific activity (R)-enantiomer is much higher.
Cyprodinil (Cyprodinil) chemical name: 4-cyclopropyl-6-methyl-N-phenyl pyrimidine-2-amine, molecular formula: C
14h
15n
3.It can suppress the biosynthesis of methionine moral, suppresses the secretion of hydrolase.Absorbed rapidly by blade in plant corpus, be penetrated into more than 30% in tissue, protected sediment is stored in blade; transmit in xylem, also transmit between blade, at high temperature metabolism is relatively rapid; sediment quite stable under low temperature in blade, metabolite inanimate object activity.
Phonetic mould amine (Pyrimethanil) chemical name: N-(4,6-dimethyl pyrimidine-2-yl) aniline, molecular formula: C
12h
13n
3, be a kind of new type bactericide, belong to anilino-pyrimidine.Its mechanism of action uniqueness, suppress the secretion of cause of disease mattress protein, comprises and reduce some hydrolase levels, and these enzymes enter host plant with pathogen and cause that the necrosis of host tissue is relevant.
The mould prestige of second (Diethofencarb) chemical name: 3,4-diethoxy phenylcarbamic acid isopropyl ester, C
14h
21nO
4, systemic fungicide, suppress the formation of botrytis cinerea gemma spindle, for preventing and treating the bacterial strain of the anti-Bentazons such as grape, oranges and tangerines, the double powdery mildew of controlling.
Iprodione (Iprodione) chemical name: 3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxo imidazoline-1-carboxylic acid amides, molecular formula: C
13h
13cl
2n
3o
3.Belong to the agent of broad spectrum activity contact sterilization, the bacterium such as Botrytis, neurospora, Sclerotinia, bulbil genus are had to bactericidal effect preferably.The bacterium such as Alternaria, the mould genus of the spore of wriggling, silk core genus, Fusarium, volt leather genus are also produced effect.
Procymidone (Procymidone) chemical name: N-(3,5-dichlorophenyl)-1,3-dimethylcyclopropane-1,2-di carbonyl imide, molecular formula: C
13h
11cl
2nO
2, be new type bactericide, belong to the hypotoxicity bactericide.Be mainly suppress the interior triglycerides of thalline synthetic, there is the double action of protection and treatment.
In the real process of agricultural production, preventing and treating the problem that disease the most easily produces is the generation of disease drug resistance.The different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite by Fenamidone and cyprodinil, iprodione, phonetic mould amine, the mould prestige of second, procymidone, good synergistic effect is arranged within the specific limits, and relevant composite about Fenamidone and cyprodinil, iprodione, phonetic mould amine, the mould prestige of second, procymidone, there is not yet relevant report at present at home and abroad.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good efficient bactericidal composite containing Fenamidone.
The present invention is achieved through the following technical solutions:
A kind of efficient bactericidal composite containing Fenamidone, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from Fenamidone, and active component B is selected from a kind of in cyprodinil, iprodione, phonetic mould amine, the mould prestige of second, procymidone.The preferred weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1; More preferably the weight ratio of Fenamidone and cyprodinil is 1 ︰ 25 ~ 5 ︰ 1, the weight ratio of Fenamidone and the mould prestige of second is 1 ︰ 30 ~ 10 ︰ 1, the weight ratio of Fenamidone and phonetic mould amine is 1 ︰ 20 ~ 5 ︰ 1, the weight ratio of Fenamidone and iprodione is 1 ︰ 30 ~ 5 ︰ 1, and the weight ratio of Fenamidone and procymidone is 1 ︰ 25 ~ 5 ︰ 1; The weight ratio that most preferably is Fenamidone and cyprodinil is 1 ︰ 10 ~ 1 ︰ 1, the weight ratio of Fenamidone and the mould prestige of second is 1 ︰ 9 ~ 1 ︰ 1, the weight ratio of Fenamidone and phonetic mould amine is 1 ︰ 10 ~ 1 ︰ 1, the weight ratio of Fenamidone and iprodione is 1 ︰ 20 ~ 1 ︰ 1, and the weight ratio of Fenamidone and procymidone is 1 ︰ 10 ~ 1 ︰ 1.
The described bactericidal composition containing Fenamidone is for the application of the disease of preventing and treating crop, and described crop comprises cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop.
The described bactericidal composition containing Fenamidone is for the application of the disease of preventing and treating crop, and described disease comprises downy mildew, late blight, early blight, phytophthora root rot, damping off, black spot, mottled rot disease, stalk break, gray mold, powdery mildew, scab, glume blight, moire disease, fusarium wilt, spot defoliation, brown spot, leaf spot, root rot, rust, banded sclerotial blight, eyeprint disease, crown rot, spike rot, ring spot, brown rot.
Amount of application when in the present composition, the content of active component depends on independent use, also depend on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target disease.Usually in composition, the weight percentage of active component is gross weight 1%～90%, is preferably 5%～80%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
At least contain a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water while being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickener or defoamer.According to different dosage form, in preparation, can also contain stabilizing agent known in those skilled in the art, antifreeze etc.
Bactericidal composition of the present invention can be by the user before use through dilution or directly use.Its preparation can be by processing method known in those skilled in the art preparation, is about to active component and after liquid flux or solid carrier mix, then adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following component and content: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Comprise following component and content when composition is made suspending agent: active components A 1% ~ 50%, active component B 1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Comprise following component and content when composition is made suspension emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Comprise following component and content when composition is made microemulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Comprise following component and content when composition is made aqueous emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A
1% ~ 50%, active component B 1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content while making microcapsule suspension-suspending agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension of the present invention-suspending agent the key technical indexes:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) the agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) enlarged fungicidal spectrum, multiple diseases has been had to greater activity as downy mildew, late blight, early blight, phytophthora root rot, damping off, black spot, mottled rot disease, stalk break, gray mold, powdery mildew, scab, glume blight, moire disease, fusarium wilt, spot defoliation, brown spot, leaf spot, root rot, rust, banded sclerotial blight, eyeprint disease, crown rot, spike rot, ring spot, brown rot.
Embodiment
Below in conjunction with embodiment, to further instruction of the present invention, the percentage in embodiment all is weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 16 wetting powder
Fenamidone, active component B, dispersant, wetting agent, filler are mixed, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, can be made into wetting powder product of the present invention.Specifically in Table 1.
Table 1 embodiment 1 ~ 16 each component and content
Embodiment 17 ~ 32 water dispersible granules
Fenamidone, active component B, dispersant, wetting agent, disintegrant, filler are obtained to the particle diameter needed through air-flow crushing together, then add other auxiliary agent such as binding agent (can add and can not add), obtain the materials of granulating.By item quantitatively send in the fluidized bed granulation dryer through granulation and drying after, make water dispersible granules product of the present invention.Specifically in Table 2.
Table 2 embodiment 17 ~ 32 each component and content
Embodiment 33 ~ 48 suspending agents
Dispersant, wetting agent, thickener (can add and can not add), defoamer, antifreeze (can add and can not add) are mixed through high speed shear, add Fenamidone, active component B, supply surplus by deionized water, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent product of the present invention.Specifically in Table 3.
Table 3 embodiment 33 ~ 48 each component and content
Embodiment 49 ~ 53 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), deionized water are mixed through high speed shear, add Fenamidone, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make the Fenamidone suspending agent, then by active component B, solvent, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 4.
Table 4 embodiment 49 ~ 53 each component and content
Embodiment 54 ~ 66 aqueous emulsions
Fenamidone, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become the homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.Specifically in Table 5.
Table 5 embodiment 54 ~ 66 each component and content
Cyprodinil in 1-table 5, phonetic mould amine, the mould prestige of second, iprodione, procymidone exchange will be shown, novel formulation can be made.
Embodiment 67 ~ 69 microemulsions
Fenamidone, active component B are dissolved in the homogenizer that solvent is housed, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, give strong the mixing and homogenize after supplying surplus by deionized water, finally obtain the as clear as crystal microemulsion product of the present invention of outward appearance.Specifically in Table 6.
Table 6 embodiment 67 ~ 69 each component and content
Embodiment 70 ~ 72 microcapsule suspending agents
By Fenamidone, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, supply surplus by deionized water, bi-material reacts at oil-water interfaces, forms the macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in Table 7.
Table 7 embodiment 70 ~ 72 each component and content
Embodiment 73 ~ 75 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Fenamidone, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension of the present composition-suspending agent product.Specifically in Table 8.
Table 8 embodiment 73 ~ 75 each component and content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR<0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR>1.5 are synergistic effect, on this basis, then carry out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and is processed, and establishes the clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament to the crop germ.Measure colony diameter by the right-angled intersection method after 72h, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into to probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.Calculate the different proportioning synergy ratio (SR) of two medicaments according to the Wadley method, SR<0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR>1.5 are synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is Fenamidone;
B selects a kind of in cyprodinil, phonetic mould amine, the mould prestige of second, iprodione, procymidone.
Application Example two:
For trying disease: gray mold of cucumber; Test medicine: by Shaanxi, agricultural chemicals Co., Ltd of U.S. nation provides; Experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenamidone and cyprodinil and the two different proportioning mixture through preliminary experiment.
The toxicity test result
The composite analysis of results table of the toxicity test to gray mold of cucumber of table 9 Fenamidone and cyprodinil
As shown in Table 9, the proportioning of the composite control gray mold of cucumber of Fenamidone and cyprodinil is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR all is greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of Fenamidone and cyprodinil during at 1 ︰ 25 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through the applicant optimum ratio of finding Fenamidone and cyprodinil is 5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, especially synergy ratio maximum when Fenamidone and cyprodinil weight ratio are 1:5, synergistic effect is the most obvious.
Application Example three:
For trying disease: grape grey mould; Test medicine: by Shaanxi, agricultural chemicals Co., Ltd of U.S. nation provides; Experimental scheme: effective inhibition concentration scope of determining Fenamidone and the former medicine of phonetic mould amine and the two different proportioning mixture through preliminary experiment.
The toxicity test result
Table 10 Fenamidone and the Pyrimethanil compositional toxicity test analysis of results table to grape grey mould
As shown in Table 10, the proportioning of Fenamidone and Pyrimethanil compositional control grape grey mould is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR all is greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of Fenamidone and phonetic mould amine during at 1 ︰ 20 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Testing through the applicant optimum ratio of finding Fenamidone and phonetic mould amine is 5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20, especially synergy ratio maximum when Fenamidone and phonetic mould amine weight ratio are 1:4, synergistic effect is the most obvious.
Application Example four:
For trying disease: graw mold of tomato; Test medicine: by Shaanxi, agricultural chemicals Co., Ltd of U.S. nation provides; Experimental scheme: effective inhibition concentration scope of determining the former medicine of the mould prestige of Fenamidone and second and the two different proportioning mixture through preliminary experiment.
The toxicity test result
The composite analysis of results table of the toxicity test to graw mold of tomato of the mould prestige of table 11 Fenamidone and second
As shown in Table 11, the proportioning of the composite control graw mold of tomato of the mould prestige of Fenamidone and second is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR all is greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of Fenamidone and the mould prestige of second during at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.05.Testing through the applicant optimum ratio of finding Fenamidone and the mould prestige of second is 10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,2:7,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25,1:30, especially synergy ratio maximum when Fenamidone and the mould prestige weight ratio of second are 1:3, synergistic effect is the most obvious.
Application Example five:
For trying disease: early blight of tomato; Test medicine: by Shaanxi, agricultural chemicals Co., Ltd of U.S. nation provides; Experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenamidone and iprodione and the two different proportioning mixture through preliminary experiment.
The toxicity test result
Table 12 Fenamidone and the iprodione toxicity test analysis of results table to early blight of tomato
As shown in Table 12, Fenamidone and iprodione are prevented and treated the proportioning of early blight of tomato when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR all is greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of Fenamidone and iprodione during at 1 ︰ 30 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through the applicant optimum ratio of finding Fenamidone and iprodione is 5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25,1:30, especially synergy ratio maximum when Fenamidone and iprodione weight ratio are 1:6, synergistic effect is the most obvious.
Application Example six:
For trying disease: the brassicaceous vegetable gray mold; Test medicine: by Shaanxi, agricultural chemicals Co., Ltd of U.S. nation provides; Experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenamidone and procymidone and the two different proportioning mixture through preliminary experiment.
The toxicity test result
The composite analysis of results table of the toxicity test to the brassicaceous vegetable gray mold of table 13 Fenamidone and procymidone
As shown in Table 13, the proportioning of the composite control of Fenamidone and procymidone brassicaceous vegetable gray mold is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR all is greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of Fenamidone and procymidone during at 1 ︰ 25 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Testing through the applicant optimum ratio of finding Fenamidone and procymidone is 5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, especially synergy ratio maximum when Fenamidone and procymidone weight ratio are 1:5, synergistic effect is the most obvious.
Application Example seven Fenamidones and active component B and the composite control brassicaceous vegetable gray mold test of pesticide effectiveness thereof
This test arrangement is at the Xian District, Shanxi Province suburban area, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation brassicaceous vegetable gray mold state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 14 Fenamidone and active component B and the composite control brassicaceous vegetable gray mold test of pesticide effectiveness thereof
As can be seen from Table 14, after Fenamidone and active component B are composite, can effectively prevent and treat the brassicaceous vegetable gray mold, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example eight Fenamidones and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This test arrangement is in the Xianyang, Shanxi province city, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation alternaria leaf spot of apple state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 15 Fenamidone and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 15, after Fenamidone and active component B are composite, can effectively prevent and treat alternaria leaf spot of apple, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long, and can treat ring rot of apple, and after 14 days, control efficiency is up to more than 97%.In the test scope of medication, the target crop is had no adverse effects.
Application Example nine Fenamidones and active component B and the composite control Chinese cabbage black spot test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation Chinese cabbage black spot state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 16 Fenamidone and active component B and the composite control Chinese cabbage black spot test of pesticide effectiveness thereof
As can be seen from Table 16, after Fenamidone and active component B are composite, can effectively prevent and treat water-white dish black spot, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example ten Fenamidones and active component B and the composite control grape grey mould test of pesticide effectiveness thereof
This test arrangement is in Weinan City suburb, Shaanxi Province, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation grape grey mould state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 17 Fenamidone and active component B and the composite control grape grey mould test of pesticide effectiveness thereof
As can be seen from Table 17, after Fenamidone and active component B are composite, can effectively prevent and treat grape grey mould, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long, and can treat grape powdery mildew, and after 14 days, control efficiency is up to more than 97%.In the test scope of medication, the target crop is had no adverse effects.
Application Example 11 Fenamidones and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This test arrangement is at the Xian District, Shanxi Province suburban area, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation cucumber downy mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 18 Fenamidone and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 18, after Fenamidone and active component B are composite, can effectively prevent and treat cucumber downy mildew, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example ten diimidazole bacterium ketone and active component B and the composite control flowers gray mold test of pesticide effectiveness thereof
This test arrangement is at the Xi'an City, Shanxi Province Changan District, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation flowers gray mold state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 19 Fenamidone and active component B and the composite control flowers gray mold test of pesticide effectiveness thereof
As can be seen from Table 19, after Fenamidone and active component B are composite, can effectively prevent and treat the flowers gray mold, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 13 Fenamidones and active component B and the composite potato late blight test of pesticide effectiveness of preventing and treating thereof
This test arrangement is at Shaanxi Province's Weinan City, test medicine is researched and developed, is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 20% Fenamidone suspending agent (autogamy), 50% cyprodinil water dispersible granules (autogamy), 25% iprodione suspending agent (commercial), 20% phonetic mould amine suspending agent (commercial), the 20% mould prestige suspending agent of second (autogamy), 20% procymidone suspending agent (commercial).
The investigation potato late blight state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after the last dispenser 7 days, 14 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 20 Fenamidone and active component B and the composite potato late blight test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 20, after Fenamidone and active component B are composite, can effectively prevent and treat potato late blight, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
After through different local throughout the country tests, draw, Fenamidone and cyprodinil, phonetic mould amine, the mould prestige of second, iprodione, procymidone is composite rear to the downy mildew on various crop, late blight, early blight, phytophthora root rot, damping off, black spot, the mottled rot disease, stalk break, gray mold, powdery mildew, scab, glume blight, moire disease, fusarium wilt, spot defoliation, brown spot, leaf spot, root rot, rust, banded sclerotial blight, the eyeprint disease, crown rot, spike rot, ring spot, the preventive effect of the Common Diseases such as brown rot is all more than 95%, be better than the single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the efficient bactericidal composite containing Fenamidone, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from Fenamidone, and active component B is selected from a kind of in cyprodinil, phonetic mould amine, the mould prestige of second, iprodione, procymidone.
2. the efficient bactericidal composite containing Fenamidone according to claim 1, it is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. the efficient bactericidal composite containing Fenamidone according to claim 2 is characterized in that:
The weight ratio of Fenamidone and cyprodinil is 1 ︰ 25 ~ 5 ︰ 1;
The weight ratio of Fenamidone and the mould prestige of second is 1 ︰ 30 ~ 10 ︰ 1;
The weight ratio of Fenamidone and phonetic mould amine is 1 ︰ 20 ~ 5 ︰ 1;
The weight ratio of Fenamidone and iprodione is 1 ︰ 30 ~ 5 ︰ 1;
The weight ratio of Fenamidone and procymidone is 1 ︰ 25 ~ 5 ︰ 1.
4. according to the described efficient bactericidal composite containing Fenamidone of any one in claim 1 ~ 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the efficient bactericidal composite containing Fenamidone according to claim 4, for preventing and treating the application of crop pest.
6. application according to claim 5 is characterized in that: described disease comprises downy mildew, late blight, early blight, phytophthora root rot, damping off, black spot, mottled rot disease, stalk break, gray mold, powdery mildew, scab, glume blight, moire disease, fusarium wilt, spot defoliation, brown spot, leaf spot, root rot, rust, banded sclerotial blight, eyeprint disease, crown rot, spike rot, ring spot, brown rot.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886155A (en) * | 2015-05-27 | 2015-09-09 | 邓全芳 | Fungicidal composition containingpyrimethanil and nikkomycins and preparation thereof |
| CN105900992A (en) * | 2016-05-31 | 2016-08-31 | 何华琼 | Composition for control of wheat rust and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245396A (en) * | 1997-12-02 | 2000-02-23 | 罗纳-普朗克农业化学公司 | Fungicide composition containing 2-imidazoline-5-one |
| WO2004073401A2 (en) * | 2003-02-20 | 2004-09-02 | Bayer Cropscience Sa | Fungicide composition comprising fenamidone and hymexazol |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245396A (en) * | 1997-12-02 | 2000-02-23 | 罗纳-普朗克农业化学公司 | Fungicide composition containing 2-imidazoline-5-one |
| WO2004073401A2 (en) * | 2003-02-20 | 2004-09-02 | Bayer Cropscience Sa | Fungicide composition comprising fenamidone and hymexazol |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886155A (en) * | 2015-05-27 | 2015-09-09 | 邓全芳 | Fungicidal composition containingpyrimethanil and nikkomycins and preparation thereof |
| CN104886155B (en) * | 2015-05-27 | 2017-11-07 | 邓全芳 | The bactericidal composition and its preparation of a kind of pyrimethanil-contain bactericide and Nikemycin |
| CN105900992A (en) * | 2016-05-31 | 2016-08-31 | 何华琼 | Composition for control of wheat rust and preparation method thereof |
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