CN104542598A - Biological-chemical synergism bactericide - Google Patents
Biological-chemical synergism bactericide Download PDFInfo
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- CN104542598A CN104542598A CN201510018818.0A CN201510018818A CN104542598A CN 104542598 A CN104542598 A CN 104542598A CN 201510018818 A CN201510018818 A CN 201510018818A CN 104542598 A CN104542598 A CN 104542598A
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Abstract
The invention discloses a biological-chemical synergism bactericide and relates to the technical field of sterilization of rice sheath blight disease. The biological-chemical synergism bactericide comprises the effective components: validamycin and fluazinam, wherein the validamycin accounts for 1-30% of the total mass of the bactericide; the fluazinam accounts for 1-40% of the total mass of the bactericide; an additive accounts for 2-25% of the total mass of the bactericide; a filler accounts for 5-96% of the total mass of the bactericide. The biological-chemical synergism bactericide retains the advantages of wide bactericidal spectrum of validamycin and fluazinam and excellent effect of preventing and treating the diseases; the defects can also be overcome; the purpose of pollution-free prevention and treatment on the crop diseases is achieved; the toxicity to other organisms is reduced; the residual of the chemical substance in the crops can be reduced; the bactericidal spectrum can be widened; the cost is reduced; the requirements on the application of low-toxicity and high-effect pesticides of crops such as rice in China can be met.
Description
Technical field
The present invention relates to the sterilization technology field of rice sheath blight disease.
Background technology
Rice sheath blight disease is the important disease of paddy rice, and the more than one hundred million mu of annual onset area is the serious hindrance of China's rice high yield stable yields.And realize developing direction and the objective of the struggle that the control of rice disease harmless boilogical is agricultural plant protection field.In recent years, although country prohibites use high-toxic pesticide on paddy rice, but for want of efficient disease control medicament and use the phenomenon of high poison, persistent pesticide also comparatively general in actual agricultural production process, therefore, research and develop high-efficiency low-toxicity, the novel agrochemical of low-residual is inevitable development trend.
Jinggangmeisu (jingangmycin) is the water soluble antibiotics-glucoside compounds produced by the mutation of water streptomycete well ridge.Have 6 components, main active substances is jinggangmycin A and B.Be the agricultural antibiotic that a kind of systemic action is very strong, after the mycelia of Rhizoctonia solani Kuhn touches jinggangmeisu, can absorbed by somatic cells very soon and conduct in thalline, interference and suppression somatic cells normal growth be grown, thus play therapeutic action.Jinggangmeisu also can be used for preventing and treating wheat sharp eyespot, rice green smut etc.
Because alone jinggangmeisu is longer in the time limit that Main Rice Diseases is prevented and treated, the pesticide resistance of crop pest has had significant enhancing.
Fluazinam (fluazinam) is new substituted phenyl amines, spectrum bactericide, has special efficacy to the multiple gray mold that Botrytis cinerea causes.Same benzimidazole, dicarboximide class and in the market existing bactericide without cross resistance.Also good activity is had to germ diseases such as interlink spore genus, Phytophthora, Plasmopara, Sclerotinia and Venturias.
But the fluazinam single dose of alone high-load is higher in current use cost.
Summary of the invention
The object of the invention is, for current efficient, broad spectrum disease agricultural chemicals very lacks and existing agricultural chemicals single dose exists multiple deficiency, to provide a kind of biological-chemical synergic bactericide being product forms with wetting powder or suspending agent.
The present invention includes active ingredient, auxiliary agent and filler, active ingredient is jinggangmeisu and fluazinam, it is characterized in that jinggangmeisu accounts for 1 ~ 30% of bactericide gross mass, fluazinam accounts for 1 ~ 40% of bactericide gross mass, auxiliary agent accounts for 2 ~ 25% of bactericide gross mass, and filler accounts for 5 ~ 96% of bactericide gross mass.
The present invention adopts the reasonable combination mixture of biopesticide jinggangmeisu and these two kinds of agricultural chemicals of low toxicity highly effective pesticide fluazinam to use, it had both retained the broad-spectrum of jinggangmeisu and fluazinam and the advantage good to the control efficiency of disease, the shortcoming of existence can be overcome again, realize the target of corps diseases non-environmental pollution control, reduce the toxicity to other biology, reduce chemical substance remaining crops, expand fungicidal spectrum, reduce costs, to adapt to the requirement that China uses low toxicity highly effective pesticide production estimation such as paddy rice.
Above bactericide can make suspending agent or wetting powder.
When this product forms is wetting powder, described auxiliary agent is made up of dispersant and wetting agent, and dispersant accounts for 1 ~ 20% of bactericide gross mass, and wetting agent accounts for 1 ~ 5% composition of bactericide gross mass.Dispersant adopts lignosulfonates, NNO, the one pulling open powder or any two or three mixture.Wherein, lignosulfonates select calcium lignosulfonate or sodium lignin sulfonate; Wetting agent adopts sodium alkyl benzene sulfonate or alkyl benzene calcium sulfonate.Filler adopts a kind of in silica-based, precipitated calcium carbonate, white carbon or mixture, silica-based employing potter's clay, kaolin and diatomite etc.
When in wetting powder, described jinggangmeisu accounts for 10% of bactericide gross mass, and when fluazinam accounts for 1% of bactericide gross mass, water prevention rice sheath blight field control effectiveness test shows, its drug effect is better, to rice sheath blight disease preventive effect 80%.
When this product forms is suspending agent, described auxiliary agent dispersion moisture agent, antifreeze, thickener and defoamer form, described dispersion moisture agent accounts for 1 ~ 15% of bactericide gross mass, antifreeze accounts for 0.3 ~ 3% of bactericide gross mass, thickener accounts for 0.4 ~ 5% of bactericide gross mass, and defoamer accounts for 0.3 ~ 2% of bactericide gross mass.
Dispersion moisture agent adopts polyoxyethylene tri-styryl phosphenylic acid salt, or alkylnaphthalene sulfonate, or one in alkylphenol polyoxyethylene or mixture; Antifreeze adopts antifreeze to adopt alcohols, selects propane diols or glycerine or ethylene glycol; Thickener adopts xanthans or aluminium-magnesium silicate; Defoamer adopts silicone defoaming agent.Filler adopts water.
When in suspending agent, described jinggangmeisu accounts for 20% of bactericide gross mass, when fluazinam accounts for 2% of bactericide gross mass, to rice sheath blight disease preventive effect more than 78%, and with the remarkable advantage that harmless boilogical is prevented and treated, is beneficial to agricultural extension application.
Product expression of the present invention goes out all has stronger preventing disease theraping effect to agricultural disease, can be applicable to the multiple diseases such as the water prevention rice sheath blight.This microbicide compositions is different from other microbicide compositions existing or agricultural chemicals single dose, adopt the reasonable combination of biopesticide jinggangmeisu and these two kinds of agricultural chemicals of low toxicity highly effective pesticide fluazinam, the generation of disease drug resistance can be delayed, use simple, safety, control efficiency is good, and residual quantity is low environmentally safe, promote Crop securify and fine quality production, agricultural production and income is played an important role.
The formulation that this microbicide compositions is made have produce simple, efficient, preparation cost is low, many advantages such as environment compatibility is good.This microbicide compositions is different from other microbicide compositions existing, can delay drug-fast generation, reaches the object of agricultural production and income and food safety production.
Embodiment
Further illustrate the present invention below with reference to embodiment, following embodiment does not only limit the present invention for illustration of the present invention.
Process: after first jinggangmeisu, fluazinam and auxiliary agent, filler fully being mixed in enamel stirred tank, after airslide disintegrating mill is pulverized or sand mill grinds, then mixes obtained finished product.
Embodiment 1 is for determining that fluazinam and jinggangmeisu different ratio consumption are to Rhizoctonia solani Kuhn fungistatic effect, fluazinam and jinggangmeisu different ratio are carried out to the Toxicity Determination of Rhizoctonia solani Kuhn, be made into respective concentration according to percentage by weight in table, now result of the test be reported as follows:
Table 1 fluazinam and jinggangmeisu single dose and mixture thereof are to Rhizoctonia solani Kuhn toxicity test result
Measurement result shows, fluazinam and jinggangmeisu, can compared with the growths of high inhibition Rhizoctonia solani Kuhn mycelia with 1: 5 ~ 1: 10 proportioning mixtures, and the synergy of 1: 10 ratio mixture is the most obvious.
The weigh percentage of embodiment 2:11% jinggangmeisu fluazinam wetting powder:
Jinggangmeisu 10%
Fluazinam 1%
NNO(dispersant) 3%
Sodium lignin sulfonate (dispersant) 7%
Sodium alkyl benzene sulfonate (dispersant) 1%
White carbon (filler) 78%
Take material by above-mentioned part by weight, under agitation add each material successively, after airslide disintegrating mill pulverizing is uniformly mixed again, obtains product, carry out water prevention rice sheath blight field control effectiveness test, drug effect is better, to rice sheath blight disease preventive effect 80%.
10 days preventive effects (%) after table 2 11% jinggangmeisu fluazinam wetting powder water prevention rice sheath blight medicine
(Jiangdu, Jiangsu)
The weigh percentage of embodiment 3:22% jinggangmeisu fluazinam suspending agent:
Jinggangmeisu 20%
Fluazinam 2%
Polyoxyethylene nonylphenol ether (NP-9) (dispersion moisture agent) 8%
Propane diols (antifreeze) 1%
Xanthans (thickener) 1%
Silicone defoaming agent (SAG612) 2%
Water (filler) 77%
Take material by above-mentioned part by weight, after being uniformly mixed, obtain product through sand mill sand milling, carry out water prevention rice sheath blight field control effectiveness test.
10 days preventive effects (%) after table 3 22% jinggangmeisu fluazinam suspending agent suspending agent water prevention rice sheath blight medicine
(Nanchang city)
Above measurement result shows, 22% jinggangmeisu fluazinam suspending agent to rice sheath blight disease preventive effect more than 78%, and with harmless boilogical control remarkable advantage, be beneficial to agricultural extension application.
Claims (5)
1. a biological-chemical synergic bactericide, comprise active ingredient, auxiliary agent and filler, active ingredient is jinggangmeisu and fluazinam, it is characterized in that jinggangmeisu accounts for 1 ~ 30% of bactericide gross mass, fluazinam accounts for 1 ~ 40% of bactericide gross mass, auxiliary agent accounts for 2 ~ 25% of bactericide gross mass, and filler accounts for 5 ~ 96% of bactericide gross mass.
2. a kind of biological-chemical synergic bactericide according to claim 1, it is characterized in that described auxiliary agent is made up of dispersant and wetting agent, dispersant accounts for 1 ~ 20% of bactericide gross mass, and wetting agent accounts for 1 ~ 5% composition of bactericide gross mass.
3. a kind of biological-chemical synergic bactericide according to claim 2, it is characterized in that described jinggangmeisu accounts for 10% of bactericide gross mass, fluazinam accounts for 1% of bactericide gross mass.
4. a kind of biological-chemical synergic bactericide according to claim 1, it is characterized in that described auxiliary agent dispersion moisture agent, antifreeze, thickener and defoamer form, described dispersion moisture agent accounts for 1 ~ 15% of bactericide gross mass, antifreeze accounts for 0.3 ~ 3% of bactericide gross mass, thickener accounts for 0.4 ~ 5% of bactericide gross mass, and defoamer accounts for 0.3 ~ 2% of bactericide gross mass.
5. a kind of biological-chemical synergic bactericide according to claim 4, it is characterized in that described jinggangmeisu accounts for 20% of bactericide gross mass, fluazinam accounts for 2% of bactericide gross mass.
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| CN201510018818.0A CN104542598A (en) | 2015-01-15 | 2015-01-15 | Biological-chemical synergism bactericide |
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| CN201510018818.0A CN104542598A (en) | 2015-01-15 | 2015-01-15 | Biological-chemical synergism bactericide |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119685A (en) * | 2010-01-08 | 2011-07-13 | 南京华洲药业有限公司 | Bactericidal composition containing fluazinam and validamycin and application of same |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119685A (en) * | 2010-01-08 | 2011-07-13 | 南京华洲药业有限公司 | Bactericidal composition containing fluazinam and validamycin and application of same |
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Application publication date: 20150429 |