CN102017966B - Kasugamycin and propineb-containing bactericidal composition - Google Patents
Kasugamycin and propineb-containing bactericidal composition Download PDFInfo
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- CN102017966B CN102017966B CN 201010571444 CN201010571444A CN102017966B CN 102017966 B CN102017966 B CN 102017966B CN 201010571444 CN201010571444 CN 201010571444 CN 201010571444 A CN201010571444 A CN 201010571444A CN 102017966 B CN102017966 B CN 102017966B
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- kasugarnycin
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Abstract
The invention relates to a bactericidal composition with the synergic effect, which comprises the following active ingredients: kasugamycin and propineb in a weight ratio of 4:1-1:64, and an aid and an excipient are added into the active ingredients to prepare wettable powder, water-dispersible granules and suspending agents. The bactericidal composition is mainly used for blight, downy mildew, leaf mold and phytophthora blight of vegetables and fruit trees, powdery mildew and rice blast of meals and the like.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of bactericidal composition that contains kasugarnycin and Propineb.
Technical background
Kasugarnycin (kasugamycin) molecular formula: C
14H
25N
3O
9, chemical name: [5-amino-2-methyl-6-(2,3,4,5,6-carbonyl cyclohexyl oxo) pyrans-3-base amino-a-IMDA].
Be agricultural antibiotic, have stronger interior absorption, this medicine mainly disturbs amino acid whose metabolism esterase system, thereby influences the synthetic of protein, suppresses the mycelia elongation and causes cell granulationsization, but spore germination is not had influence.Have protection, treatment and stronger systemic activity, permeability is strong and can move in plant corpus, instant effect, and resistance of rainwater washing against, the lasting period is long, and can be the dark green disease prolongation of the melon dim light of night harvest time after wanting.
Propineb (propineb), molecular formula are (C5H8N2S4Zn) x, chemical name: acrylic bisdithiocarbamic zinc.
Propineb acts on the synthetic of fungal cell wall and protein, can suppress infecting and sprouting of spore, can suppress mycelial growth simultaneously, causes its distortion, death.And this medicine contains and is easy to the zinc element that absorbed by crop, the quality that helps promoting plant growth and improve fruit.
No matter be kasugarnycin, Propineb or other efficient germicides, long-term use separately makes disease develop immunity to drugs easily, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, and is unfavorable for environment sustainable development.The active ingredient of the different mechanisms of action is carried out composite, is to delay the disease method commonly used that develops immunity to drugs, and according to the effect in the production application, judge this composite be synergistic effect or antagonism.Complex role is more significantly filled a prescription, and can obviously improve preventive effect, reduces the dosage of agricultural chemicals greatly, also can enlarge fungicidal spectrum, improves germicidal efficiency.Kasugarnycin is different with the Propineb mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about kasugarnycin and Propineb do not see relevant report at present at home and abroad as yet.
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 bactericidal composition that contains kasugarnycin and Propineb.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains kasugarnycin and Propineb, wherein kasugarnycin and Propineb weight ratio are 4: 1～1: 64.
The described bactericidal composition that contains kasugarnycin and Propineb, wherein the weight ratio of kasugarnycin and Propineb be preferably 1: 1～1: 32.
The described bactericidal composition that contains kasugarnycin and Propineb, wherein the weight ratio of kasugarnycin and Propineb is more preferably 1: 2～1: 16.
The described bactericidal composition that contains kasugarnycin and Propineb, wherein the weight ratio of kasugarnycin and Propineb is more preferably 1: 4～1: 16.
The described bactericidal composition that contains kasugarnycin and Propineb, wherein the effective active component content accounts for 1～85% of gross weight, is preferably 10～80%.
The described bactericidal composition of kasugarnycin and Propineb that contains is by method well-known in the art, add conventional auxiliary agent and excipient, be processed into acceptable forms on any agricultural chemicals, the wherein excellent formulation of selecting is wetting powder, water dispersible granules, suspending agent, seed treatment etc.
When making wetting powder, composition comprises following constituent content: kasugarnycin 1～40%, Propineb 1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Kasugarnycin, Propineb, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into kasugarnycin Wettable propineb powder product.
When making water dispersible granules, composition comprises following constituent content: kasugarnycin 1～40%, Propineb 1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～90%.
Kasugarnycin, Propineb, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, obtain the materials of granulating.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes kasugarnycin Propineb water dispersible granules product.
Comprise following constituent content when composition is made suspending agent: kasugarnycin 1～20%, Propineb 10～50%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%, emulsifier 0.5%～5%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze, emulsifier in the above-mentioned formulation material are mixed through high speed shear, add kasugarnycin, Propineb, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make kasugarnycin Propineb suspending agent product.
Described dispersant is selected from polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, in phonetic one or more of polyoxyethylene carboxylate, ester polyoxyethylene.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described defoamer is selected from: one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound.
Described thickener is selected from: one or more in xanthan gum, polyvinyl alcohol, the polyethylene glycol.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, the aluminium chloride.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), farming breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), farming breast 1600
#In (phenethyl phenol polyoxy ethyl polypropylene-base ether), tween series, the ethylene oxide-propylene oxide block copolymer one or more.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Composition of the present invention is mainly used in powdery mildew, fusarium wilt, downy mildew, leaf mold, eqpidemic disease and powdery mildem of cereals, rice blast of vegetables and fruit tree etc.
Beneficial effect of the present invention:
(1) present composition effective active composition kasugarnycin and Propineb belong to the bactericide of two kinds of different mechanisms of action, and both are mixed mutually and can produce conflict;
(2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little;
(3) the present invention not with an organic solvent is not difficult for producing poisoning, is convenient to transportation and storage;
(4) present composition has special efficacy to eqpidemic disease, downy mildew, leaf mold and the rice blast of vegetables and fruit tree.
Embodiment
To further instruction of the present invention, the percentage among the embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.
Implementation of an application example one: kasugarnycin and Propineb are composite to the cucumber downy mildew Toxicity Determination
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
After the effective inhibition concentration scope of each medicament was determined in prerun, each medicament was established 5 dosage respectively by active constituent content and is handled, and established the clear water contrast.Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament cucumber downy mildew.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.
Clean amount of growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates the EC of every kind of medicament thus
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is an antagonism, 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 kasugarnycin and Propineb shared ratio in combination
A is a kasugarnycin
B is a Propineb
Result of the test is as shown in table 1:
Table 1 kasugarnycin, Propineb and composite toxicity test analysis of results table thereof to cucumber downy mildew
As shown in Table 1, kasugarnycin, Propineb are to the EC of cucumber downy mildew
50Be respectively 0.27mg/L and 97.83mg/L.The virulence of kasugarnycin is higher than the virulence of Propineb.Kasugarnycin and Propineb were mixed in the scope at 4: 1～1: 64 and all show obvious synergistic effect.Wherein kasugarnycin and Propineb mixed synergies in 1: 1～1: 32 scope is comparatively desirable, and the effect that was mixed in the scope at 1: 2～1: 16 is particularly outstanding.
Implementation of an application example two the implementation of Formulation Example
Embodiment 1 80% kasugarnycin Wettable propineb powder
Kasugarnycin 10%, Propineb 70%, polycarboxylate 5%, neopelex 3%, soapberry powder 2%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 80% kasugarnycin Wettable propineb powder.
Embodiment 2 65% kasugarnycin Wettable propineb powders
Kasugarnycin 1%, Propineb 64%, lignosulfonates 5%, spaonin powder 3%, starch 7%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 65% kasugarnycin Wettable propineb powder.
Embodiment 3 30% kasugarnycin Wettable propineb powders
Kasugarnycin 10%, Propineb 20%, alkylphenol-polyethenoxy are phonetic 4%, neopelex 3%, white carbon 5%, kaolin add to 100%, and mixture carries out comminution by gas stream, makes 30% kasugarnycin Wettable propineb powder.
Embodiment 4 10% kasugarnycin Wettable propineb powders
Kasugarnycin 8%, Propineb 2%, lignosulfonates 5%, wetting and penetrating agent F 3%, white carbon 7%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 10% kasugarnycin Wettable propineb powder.
Embodiment 5 80% kasugarnycin Propineb water dispersible granules
Kasugarnycin 8%, Propineb 72%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, starch add to 100%, mixed 80% kasugarnycin Propineb water dispersible granules.
Embodiment 6 66% kasugarnycin Propineb water dispersible granules
Kasugarnycin 2%, Propineb 64%, polycarboxylate 3%, polyoxyethylene carboxylate 3%, lauryl sodium sulfate 4%, sodium bicarbonate 3%, starch 10%, bentonite add to 100%, the mixed 66% kasugarnycin Propineb water dispersible granules that gets.
Embodiment 7 54% kasugarnycin Propineb water dispersible granules
Kasugarnycin 6%, Propineb 48%, alkylphenol-polyethenoxy are phonetic 5%, dodecyl benzene sulfonate 3%, gelatin 2%, starch 5%, bentonite add to 100%, mixed 54% kasugarnycin Propineb water dispersible granules.
Embodiment 8 20% kasugarnycin Propineb water dispersible granules
Kasugarnycin 10%, Propineb 10%, alkylphenol-polyethenoxy are phonetic 4%, DBSA 4%, starch 8%, urea 5%, diatomite add to 100%, mixed 20% kasugarnycin Propineb water dispersible granules.
Embodiment 9 50% kasugarnycin Propineb suspending agents
Kasugarnycin 10%, Propineb 40%, alkyl benzene sulfonate calcium salt 5%, Sodium Polyacrylate 2%, DBSA 4%, silicone oil 0.1%, xanthan gum 0.3%, phenyl phenol polyoxy ethyl ether 2%, deionized water adds to 100%, the mixed 50% kasugarnycin Propineb suspending agent that gets.
Embodiment 10 45% kasugarnycin Propineb suspending agents
Kasugarnycin 5%, Propineb 40%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, alkyl benzene calcium sulfonate 2%, deionized water adds to 100%, the mixed 45% kasugarnycin Propineb suspending agent that gets.
Embodiment 11 35% kasugarnycin Propineb suspending agents
Kasugarnycin 5%, Propineb 30%, polycarboxylate 2%, neopelex 2%, aluminium-magnesium silicate 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water adds to 100%, the mixed 35% kasugarnycin Propineb suspending agent that gets.
Embodiment 12 24% kasugarnycin Propineb suspending agents
Kasugarnycin 4%, Propineb 20%, polycarboxylate 2%, Nekal BX 2%, organosilicon 0.1%, polyvinyl alcohol 3%, ethylene glycol 4%, deionized water adds to 100%, the mixed 24% kasugarnycin Propineb suspending agent that gets.
Embodiment uses three spring thunder mycins and the Propineb and the composite cladosporium leaf and fruit mould of tomato test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in suburb, Jinta County, Gansu Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% Wettable propineb powder (commercial), 6% kasugarnycin wetting powder (commercial).
The investigation cladosporium leaf and fruit mould of tomato state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 3 times.Investigated cladosporium leaf and fruit mould of tomato feelings index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the third time.Experimental result is as follows:
Table 2 kasugarnycin, Propineb and the composite cladosporium leaf and fruit mould of tomato test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 2, can effectively prevent and treat cladosporium leaf and fruit mould of tomato after kasugarnycin and Propineb are composite, control efficiency all is better than contrasting medicament, and the lasting period is long.In the test scope of medication, the target crop is had no adverse effects.
Implementation of an application example four: kasugarnycin and Propineb and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is in Hua County, Henan Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% Wettable propineb powder (commercial), 6% kasugarnycin wetting powder (commercial).
The investigation cucumber downy mildew state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated the cucumber downy mildew disease index respectively and calculated preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 3 kasugarnycin, Propineb and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 3, energy effectively preventing cucumber downy mildew after kasugarnycin and Propineb are composite, control efficiency all is better than contrasting medicament, and dosage is little, and the lasting period is long.In the test scope of medication, the target crop there is not harm.
Implementation of an application example five: kasugarnycin, Propineb and the composite control capsicum epidemic disease test of pesticide effectiveness thereof
This experimental establishment is in the Yanshan County, Yunnan Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% Wettable propineb powder (commercial), 6% kasugarnycin wetting powder (commercial).
Investigation capsicum epidemic disease state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively and calculates preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
Table 4 kasugarnycin, Propineb and the composite control capsicum epidemic disease test of pesticide effectiveness thereof
As can be seen from Table 4, can effectively prevent and treat capsicum epidemic disease after kasugarnycin and Propineb are composite and take place, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects.
Implementation of an application example six: kasugarnycin, Propineb and the composite control rice blast test of pesticide effectiveness thereof
This experimental establishment is in Gaoyou, Jiangxi Province county, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% Wettable propineb powder (commercial), 6% kasugarnycin wetting powder (commercial).
Investigation rice blast state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively and calculates preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
The sick test of pesticide effectiveness of table 5 kasugarnycin, Propineb and composite control rice blast thereof
As can be seen from Table 5, can effectively prevent and treat rice blast after kasugarnycin and Propineb are composite and take place, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects.
Claims (5)
1. bactericidal composition that contains kasugarnycin and Propineb, the weight ratio that it is characterized in that microbicide compositions effective active composition kasugarnycin and Propineb is 4:1 ~ 1:64.
2. the bactericidal composition that contains kasugarnycin and Propineb according to claim 1 is characterized in that: wherein the weight ratio of kasugarnycin and Propineb is 1:1 ~ 1:32.
3. the bactericidal composition that contains kasugarnycin and Propineb according to claim 1 is characterized in that: wherein the effective active component content accounts for 1～85% of gross weight.
4. the bactericidal composition that contains kasugarnycin and Propineb according to claim 3 is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
5. the bactericidal composition that contains kasugarnycin and Propineb according to claim 1 is characterized in that: microbicide compositions is made wetting powder, water dispersible granules or suspending agent.
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| CN107087611A (en) * | 2017-05-08 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | A kind of bactericidal composition containing Chinese yam polysaccharide and zineb |
| CN107087612A (en) * | 2017-05-08 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | Chinese yam polysaccharide as dithiocarbamate bactericide synergist application |
| CN107087614A (en) * | 2017-05-08 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | A kind of bactericidal composition containing Chinese yam polysaccharide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518252A (en) * | 2009-04-27 | 2009-09-02 | 陈章艳 | Pesticide composition containing polyoxin and propineb |
| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
| CN101779658A (en) * | 2009-12-18 | 2010-07-21 | 陕西美邦农资贸易有限公司 | Bactericidal composite containing flusilazole and propineb |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
| CN101518252A (en) * | 2009-04-27 | 2009-09-02 | 陈章艳 | Pesticide composition containing polyoxin and propineb |
| CN101779658A (en) * | 2009-12-18 | 2010-07-21 | 陕西美邦农资贸易有限公司 | Bactericidal composite containing flusilazole and propineb |
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Address after: 715500 Pucheng County of Shaanxi Province agricultural base industrial park Patentee after: Shaanxi Meibang Pesticide Co., Ltd. Address before: 710075, C, 15 floor, Jinqiao International Plaza, science and technology road, hi tech Zone, Shaanxi, Xi'an Patentee before: Shaanxi Meibang Pesticide Co., Ltd. |
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