CN101755837B - Fungicidal composition containing bromothalonil and prochloraz manganese - Google Patents
Fungicidal composition containing bromothalonil and prochloraz manganese Download PDFInfo
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- CN101755837B CN101755837B CN2009102189962A CN200910218996A CN101755837B CN 101755837 B CN101755837 B CN 101755837B CN 2009102189962 A CN2009102189962 A CN 2009102189962A CN 200910218996 A CN200910218996 A CN 200910218996A CN 101755837 B CN101755837 B CN 101755837B
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- prochloraz
- bromothalonil
- manganese chloride
- chloride complex
- wetting powder
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- OXOKTPUZOHPXSA-UHFFFAOYSA-L manganese(2+);n-propyl-n-[2-(2,4,6-trichlorophenoxy)ethyl]imidazole-1-carboxamide;dichloride Chemical compound Cl[Mn]Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl.C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl OXOKTPUZOHPXSA-UHFFFAOYSA-L 0.000 title claims abstract description 77
- DHVLDKHFGIVEIP-UHFFFAOYSA-N 2-bromo-2-(bromomethyl)pentanedinitrile Chemical compound BrCC(Br)(C#N)CCC#N DHVLDKHFGIVEIP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 230000000855 fungicidal effect Effects 0.000 title abstract description 3
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 14
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 76
- 239000011565 manganese chloride Substances 0.000 claims description 76
- 229940099607 manganese chloride Drugs 0.000 claims description 76
- 239000000843 powder Substances 0.000 claims description 29
- 238000009736 wetting Methods 0.000 claims description 27
- 230000000844 anti-bacterial effect Effects 0.000 claims description 12
- 230000003641 microbiacidal effect Effects 0.000 claims 2
- 229940124561 microbicide Drugs 0.000 claims 2
- 239000002855 microbicide agent Substances 0.000 claims 2
- 230000002195 synergetic effect Effects 0.000 abstract description 9
- 239000000654 additive Substances 0.000 abstract 1
- 239000000546 pharmaceutical excipient Substances 0.000 abstract 1
- 239000004563 wettable powder Substances 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 35
- 239000002131 composite material Substances 0.000 description 16
- 230000003449 preventive effect Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 9
- 240000008067 Cucumis sativus Species 0.000 description 8
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 8
- 201000010099 disease Diseases 0.000 description 7
- 239000000575 pesticide Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- -1 polyoxyethylene Polymers 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 239000000080 wetting agent Substances 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 235000002566 Capsicum Nutrition 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920001732 Lignosulfonate Polymers 0.000 description 3
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 3
- 239000006002 Pepper Substances 0.000 description 3
- 241000722363 Piper Species 0.000 description 3
- 235000016761 Piper aduncum Nutrition 0.000 description 3
- 235000017804 Piper guineense Nutrition 0.000 description 3
- 235000008184 Piper nigrum Nutrition 0.000 description 3
- 150000004996 alkyl benzenes Chemical class 0.000 description 3
- 230000008485 antagonism Effects 0.000 description 3
- 239000003899 bactericide agent Substances 0.000 description 3
- 229940077388 benzenesulfonate Drugs 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000007884 disintegrant Substances 0.000 description 3
- 230000002070 germicidal effect Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 229920005646 polycarboxylate Polymers 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 208000031968 Cadaver Diseases 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 206010067482 No adverse event Diseases 0.000 description 2
- 240000003377 Shepherdia canadensis Species 0.000 description 2
- 235000018324 Shepherdia canadensis Nutrition 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000009036 growth inhibition Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 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
- 231100000053 low toxicity Toxicity 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- PYODKQIVQIVELM-UHFFFAOYSA-M sodium;2,3-bis(2-methylpropyl)naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CC(C)C)C(CC(C)C)=CC2=C1 PYODKQIVQIVELM-UHFFFAOYSA-M 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 230000001018 virulence Effects 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000223600 Alternaria Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000255789 Bombyx mori Species 0.000 description 1
- 235000004936 Bromus mango Nutrition 0.000 description 1
- 241000675108 Citrus tangerina Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- 240000007228 Mangifera indica Species 0.000 description 1
- 235000014826 Mangifera indica Nutrition 0.000 description 1
- 206010064458 Penicilliosis Diseases 0.000 description 1
- 239000005820 Prochloraz Substances 0.000 description 1
- 235000009184 Spondias indica Nutrition 0.000 description 1
- 229930182558 Sterol Natural products 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003432 sterols Chemical class 0.000 description 1
- 235000003702 sterols Nutrition 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention relates to a synergistic fungicidal composition, the active components of which contain bromothalonil and prochloraz manganese, wherein the weight ratio of the bromothalonil to the prochloraz manganese is 1:50 to 80:1. Additives and excipients can be added in the active components to produce wettable powder and water dispersible granule, which are mainly used to control the anthracnose of crops.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on corps diseases that contains bromothalonil and prochloraz-manganese chloride complex.
Technical background
Bromothalonil (bromothalonil) molecular formula: C
6H
6Br
2N
2, chemical name: 2-bromo-2 bromomethyl glutaronitriles.
Bromothalonil is a kind of wide spectrum, low toxicity, mildew-resistant, algae-killing bactericidal agent.Can suppress and root out bacterium, fungi and algae grows.Corps diseases there is the better prevention effect, especially anthracnose is had special efficacy.
Prochloraz-manganese chloride complex (prochloraz-manganese chloride complex) is to be composited by Prochloraz and manganese chloride, is the imidazoles broad-spectrum germicide.Pure article are dark-brown crystalloid solid.Molecular formula is [C
15H
16C
13N
3O
2] 4MnCl
2, chemical name is: N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl]-1H imidazoles-1-formamide-manganese chloride.
Prochloraz-manganese chloride complex works through the biosynthesis that suppresses sterol; Although it does not have systemic action; But has certain conductive performance; Mushroom brown rot, mango anthracnose, oranges and tangerines penicilliosis, anthracnose there are special control efficiency, also can be used for fruit and adopt post processing, control storage period disease.In soil, mainly be degraded to volatile metabolite, be prone to be difficult for being dashed pouring,, but the fungi in some soil is had inhibitory action the biological low toxicity in the soil by soil by soil particle absorption.
No matter be bromothalonil, prochloraz-manganese chloride complex 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 different effects mechanism 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.Bromothalonil is different with the prochloraz-manganese chloride complex mechanism of action, and each other composite have good synergistic effect within the specific limits.And composite about bromothalonil and prochloraz-manganese chloride complex 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 bromothalonil and prochloraz-manganese chloride complex.
The present invention realizes through following technical scheme:
A kind of bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex, wherein bromothalonil and prochloraz-manganese chloride complex weight ratio are 1～60: 60～1.
The described bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex, wherein the weight ratio of bromothalonil and prochloraz-manganese chloride complex is 5～50: 45～5.
The described bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex, wherein the weight ratio of bromothalonil and prochloraz-manganese chloride complex is 10～40: 30～10.
The described bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex is processed wetting powder, water dispersible granules.
When processing wetting powder, composition comprises following constituent content: prochloraz-manganese chloride complex 1～60%, bromothalonil 1～60%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Bromothalonil, prochloraz-manganese chloride complex, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into bromothalonil prochloraz-manganese chloride complex wetting powder product.
When processing water dispersible granules, composition comprises following constituent content: bromothalonil 1～60%, prochloraz-manganese chloride complex 1～60%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
Bromothalonil, prochloraz-manganese chloride complex, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, add other auxiliary agents such as adhesive again, obtain the materials of granulating.It is interior through after granulation and the drying to expect that article are quantitatively sent the fluidized bed granulation dryer to, makes bromothalonil prochloraz-manganese chloride complex water dispersible granules 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 disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, the aluminium chloride.
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 prevents and treats anthracnose.
Beneficial effect of the present invention: (1) present composition effective active composition bromothalonil and prochloraz-manganese chloride complex belong to the bactericide of two kinds of different effects mechanism, and both are mixed each other 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 anthracnose of crop.
Embodiment
The present invention is explained further that 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.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Practice example one and implement the prescription example
Embodiment 180% bromothalonil prochloraz-manganese chloride complex wetting powder
Bromothalonil 60%, prochloraz-manganese chloride complex 20%, polycarboxylate 5%, lauryl sodium sulfate 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% bromothalonil prochloraz-manganese chloride complex wetting powder.
Embodiment 250% bromothalonil prochloraz-manganese chloride complex wetting powder
Bromothalonil 20%, prochloraz-manganese chloride complex 30%, lignosulfonates 4%, tea are withered 4%, white carbon 8%, bentonite 34%, and mixture carries out comminution by gas stream, makes 50% bromothalonil prochloraz-manganese chloride complex wetting powder.
Embodiment 325% bromothalonil prochloraz-manganese chloride complex wetting powder
Bromothalonil 10%, prochloraz-manganese chloride complex 15%, alkyl benzene sulfonate calcium salt 5%, wetting and penetrating agent F 3%, white carbon 8%, bentonite 59%, mixture carries out comminution by gas stream, makes 25% bromothalonil prochloraz-manganese chloride complex wetting powder.
Embodiment 460% bromothalonil prochloraz-manganese chloride complex water dispersible granules
Bromothalonil 15%, prochloraz-manganese chloride complex 45%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch 28%, the mixed 60% bromothalonil prochloraz-manganese chloride complex water dispersible granules that gets.
Embodiment 530% bromothalonil prochloraz-manganese chloride complex water dispersible granules
Bromothalonil 20%, prochloraz-manganese chloride complex 10%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 35%, diatomite 22%, the mixed 30% bromothalonil prochloraz-manganese chloride complex water dispersible granules that gets.
Embodiment 610% bromothalonil prochloraz-manganese chloride complex water dispersible granules
Bromothalonil 5%, prochloraz-manganese chloride complex 5%, alkyl benzene sulfonate calcium salt 5%, Nekal BX 6%, succinic acid 3%, citric acid 1%, starch 25%, precipitated calcium carbonate 50%, the mixed 10% bromothalonil prochloraz-manganese chloride complex water dispersible granules that gets.
Practice example two: bromothalonil and prochloraz-manganese chloride complex are composite to the cucumber anthracnose Toxicity Determination
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
After the effective inhibition concentration scope of each medicament was confirmed 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 anthracnose.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 following:
Wherein: a, b are respectively bromothalonil and prochloraz-manganese chloride complex shared ratio in combination
A is a bromothalonil
B is a prochloraz-manganese chloride complex
Result of the test is as shown in table 1:
Table 1 bromothalonil, prochloraz-manganese chloride complex and composite toxicity test analysis of results table thereof to cucumber anthracnose
Can know the EC of bromothalonil, prochloraz-manganese chloride complex salt pair cucumber anthracnose by table 1
50Be respectively 1.36mg/L and 1.01mg/L.5: 1,3: 1,1: 1,1: 3,1: 5 synergy ratio of bromothalonil and prochloraz-manganese chloride complex proportioning is respectively 1.57,1.67,1.96,1.59,1.51; Explaining that bromothalonil and prochloraz-manganese chloride complex were mixed in the scope at 5: 1～1: 5 all shows obvious synergistic effect; Wherein synergy ratio SR is maximum when bromothalonil and prochloraz-manganese chloride complex weight ratio are 1: 1, and synergistic effect is the most obvious.
Embodiment uses three bromothalonils and the prochloraz-manganese chloride complex and the composite control cucumber anthracnose test of pesticide effectiveness thereof
This EE is in area just outside a city gate town, Pucheng County, Shaanxi Province, and test medicine is researched and developed, provided by Shanxi Thompson Biological Technology Co., Ltd., contrast medicament 50% prochloraz-manganese chloride complex wetting powder (commercial), 25% bromothalonil wetting powder (commercial).
The preceding investigation of medicine cucumber anthracnose disease index, in the their early stage dispenser, dispenser for the second time after 10 days, dispenser is 2 times altogether, investigates disease indexs in 7 days, 15 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 2 bromothalonil, prochloraz-manganese chloride complex and the composite control cucumber anthracnose test of pesticide effectiveness thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 80% bromothalonil prochloraz-manganese chloride complex wetting powder | 30 gram/mus | 88.26 | 93.65 |
| 30% bromothalonil prochloraz-manganese chloride complex water dispersible granules | 80 gram/mus | 91.41 | 95.72 |
| 50% prochloraz-manganese chloride complex wetting powder | 70 gram/mus | 78.35 | 80.22 |
| 25% bromothalonil wetting powder | 60 gram/mus | 80.16 | 83.49 |
Can be found out that by table 2 can effectively prevent and treat cucumber anthracnose after bromothalonil and prochloraz-manganese chloride complex are composite, control efficiency all is superior to contrasting medicament, the lasting period is long.In the test scope of medication, the target crop is had no adverse effects.
Practice example four: bromothalonil and prochloraz-manganese chloride complex and the composite control apple anthracnose test of pesticide effectiveness thereof
This EE is in Ma Hu town, Pucheng County, Shaanxi Province, and test medicine is researched and developed, provided by Shanxi Thompson Biological Technology Co., Ltd., contrast medicament 50% prochloraz-manganese chloride complex wetting powder (commercial), 25% bromothalonil wetting powder (commercial).
The investigation apple anthracnose 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 disease 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 3 bromothalonil, prochloraz-manganese chloride complex and the composite control apple anthracnose test of pesticide effectiveness thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 25% bromothalonil prochloraz-manganese chloride complex wetting powder | 1500 times | 84.16 | 93.08 | 92.44 |
| 60% bromothalonil prochloraz-manganese chloride complex water dispersible granules | 3500 times | 88.74 | 94.39 | 93.69 |
| 50% prochloraz-manganese chloride complex wetting powder | 2000 times | 66.25 | 74.65 | 59.38 |
| 25% bromothalonil wetting powder | 1000 times | 75.36 | 77.42 | 62.42 |
Can find out by table 3, ability effectively preventing apple anthracnose after bromothalonil and prochloraz-manganese chloride complex are composite, control efficiency all is superior to contrasting medicament, and dosage is little, and the lasting period is long.In the test scope of medication, the target crop is not had harm, and apple mildew, alternaria leaf spot of apple are had favorable effect.
Practice example five: bromothalonil, prochloraz-manganese chloride complex and the composite control pepper anthracnose test of pesticide effectiveness thereof
This EE is in area just outside a city gate town, Pucheng County, Shaanxi Province, and test medicine is researched and developed, provided by Shanxi Thompson Biological Technology Co., Ltd., contrast medicament 50% prochloraz-manganese chloride complex wetting powder (commercial), 25% bromothalonil wetting powder (commercial).
Investigation 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 bromothalonil, prochloraz-manganese chloride complex and the composite control pepper anthracnose test of pesticide effectiveness thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 50% bromothalonil prochloraz-manganese chloride complex wetting powder | 50 gram/mus | 85.65 | 94.02 | 92.54 |
| 10% bromothalonil prochloraz-manganese chloride complex water dispersible granules | 200 gram/mus | 87.59 | 93.64 | 93.69 |
| 50% prochloraz-manganese chloride complex wetting powder | 70 gram/mus | 66.86 | 74.65 | 59.38 |
| 25% bromothalonil wetting powder | 60 gram/mus | 75.27 | 77.42 | 62.42 |
Can find out that by table 4 can effectively prevent and treat pepper anthracnose after bromothalonil and prochloraz-manganese chloride complex are composite and take place, control efficiency all is superior to contrasting medicament, in this test scope of medication, the target crop is had no adverse effects.
Claims (3)
1. bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex, the weight ratio that it is characterized in that microbicide compositions effective active composition bromothalonil and prochloraz-manganese chloride complex is 5: 1～1: 5.
2. the bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex according to claim 1 is characterized in that: microbicide compositions is processed wetting powder, water dispersible granules.
3. the bactericidal composition that contains bromothalonil and prochloraz-manganese chloride complex according to claim 1 is used to prevent and treat anthracnose.
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| CN102948417A (en) * | 2012-06-07 | 2013-03-06 | 江西正邦生物化工股份有限公司 | Bromothalonil water dispersible granule and preparation method thereof |
| CN103548861A (en) * | 2013-08-21 | 2014-02-05 | 陕西康禾立丰生物科技药业有限公司 | Pesticide composition prepared by using bromothalonil and prochloraz |
| CN107232201A (en) * | 2017-07-14 | 2017-10-10 | 广西南宁乐蕊生物科技有限责任公司 | A kind of bactericidal composition containing bromothalonil and Inokopolyose |
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