CN101248794A - Agricultural chemical composition containing carbendazim and kasugamycin - Google Patents
Agricultural chemical composition containing carbendazim and kasugamycin Download PDFInfo
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Abstract
The invention belongs to the pesticide field, in particular to a pesticide composition with an active ingredient to be the combination of carbendazim and kasugamycin or carbendazim and kasugamycin hydrochloride, wherein, the kasugamycin can be sourced from Actinomycetes microaurous or Streptomyces kasugaensis. The main agent thereof is the composition comprising the following components by the weight percentages as follows: carbendazim 10%-70%, kasugamycin 0.1%-20%, and the rest is an accessory ingredient. The mixed pesticide can be widely used for preventing and curing the plant diseases of vegetables, paddies, fruit trees and so on, so as to protect and cure crop plants with strong antibiotic activity. Based on the experimental proof, the pesticide composition provided by the invention is characterized in that the bactericidal spectrum is wide, the use-cost is low, the application is safe to crop plants and environment, etc.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of composition pesticide that contains carbendazim (carbendazim) and kasugarnycin (kasugamycin) or carbendazim and the combination of kasugarnycin hydrochloride as active component.
Background technology
Carbendazim belongs to the benzimidazole systemic fungicide, can be by inhaling conduction in the plant cauline leaf, and spindle forms in the mitosis of interference fungi, thereby influences cell division, causes fungi death.Carbendazim can be prevented and treated the multiple diseases that sac fungi and imperfect fungus cause, as rice blast, banded sclerotial blight, leaf spot of peanut, bitter rot or anthracnose of grape etc.Though this medicament fungicidal spectrum is wide, have advantages such as control corps diseases kind is many, this medicament lasting period is short, and in recent years, because long-term single use, that resistance rises is very fast, preventive effect is on a declining curve.
Kasugarnycin is a kind of low toxicity, systemic fungicide, is the special-purpose antibiotic of control rice blast.Sterilization mechanism is the protein synthesis that influences germ, suppresses the mycelia elongation and causes cell granulationsization, but spore germination is not had influence.Can be used for preventing and treating the multiple diseases except that rice blast, as multiple fungi bacteriosises such as cucumber anthracnose, bacterial angular leaf spot, cladosporium leaf and fruit mould of tomato, oranges and tangerines gummosiss.
The present inventor finds, carbendazim and kasugarnycin made up be processed into pesticidal preparations and use, and the control in indoor and field to a lot of germs has outstanding synergistic effect, so finished the present invention.
Summary of the invention
The object of the present invention is to provide a class to contain the composition pesticide of carbendazim and kasugarnycin or its hydrochloride, it has excellent synergy control efficiency.
Another object of the present invention provides various preparations of described composition pesticide and preparation method thereof.
The present invention is mixed with carbendazim and kasugarnycin or its hydrochloride and obtains suspending agent, or wetting powder, or granule, or water-dispersible granules.Its host comprises the composition of following effective components by weight percentage: carbendazim is 10-70%, and kasugarnycin is 0.1-20%, and remaining is an auxiliary agent.The preferred compositions ratio is: carbendazim accounts for 20-50%, and kasugarnycin is 2-10%, and remaining is an auxiliary agent.Carbendazim can be former medicine or the preparation of itself, and kasugarnycin can come from Actinomyces microaureus (Actinomycetesmicroaurous), also can come from another Actinomyces microaureus (Streptomyceskasugaensis).
Above-mentioned said auxiliary agent is:
When the preparation suspending agent, its auxiliary agent is:
The wetting agent of 0.2-15% by weight, wetting agent are one or more in neopelex, calcium dodecyl benzene sulfonate, dioctyl succinate semi-annular jade pendant acid sodium, polyoxyethylene nonylphenol ether, the multiple phenol polyethenoxy ether of benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, calcium dodecyl benzene sulfonate, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The dispersant of 0.3-10% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The tackifier of 0.1-5% by weight, tackifier are one or more in gum Arabic, xanthan gum, methylcellulose, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, gaseous state silica, the Magnesiumaluminumsilicate;
The preservative of 0.1-5% by weight, preservative are one or more in formaldehyde, isothiazolinone, Buddhist nun uncle tortoise beetle ester, potassium sorbate, the Sodium Benzoate;
The antifreezing agent of 1-8% by weight, antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea;
The defoamer of 0-5% by weight, defoamer is organic silicone, C
10-20In saturated fat acids, iodoxy amine, the ester ethers one or more;
The pH value conditioning agent of 0-1% by weight, pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid;
Mend to 100% with deionized water at last;
When the preparation wetting powder, its auxiliary agent is:
The wetting agent of 2-35% by weight, wetting agent is natural products wetting agent and anionic wetting agent, and available tea is withered, spaonin powder, soapberry powder, silkworm excrement, bay alcohol radical sodium sulphate, neopelex, washing powder, draw back in the powder one or more;
The dispersant of 2-30% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The filler of 5-70% by weight, filler be kaolin, white carbon, dolomite, diatomite, magnesium chloride, one or more;
When the preparation granule, its auxiliary agent is:
The carrier of 5-80% by weight, carrier is one or more in clay, kaolin, mica, talcum, bentonite, Emathlite, silica sand, white carbon, silicic acid, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, the urea;
By the wetting dispersing agent of 0.2-5% by weight, wetting dispersing agent is one or more in bay alcohol radical sodium sulphate, neopelex, naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, the alkylphenol-polyethenoxy based phosphates;
The adhesive of 0.5-10% by weight, adhesive is one or more in starch, dextrin, gum Arabic, gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, the paraffin;
By weight 0.5-3% help disintegrant, helping disintegrant is in thiamines, calcium chloride, salt, magnesium chloride, the aluminium chloride one or more;
The adsorbent of 0.5-5% by weight, adsorbent is one or more in white carbon, diatomite, attapulgite, the calcium carbonate;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
When the preparation water-dispersible granules, its auxiliary agent is:
The wetting agent of 2-20% by weight, wetting agent is a saponin, lignosulfite, the hydrolysate of animal waste, alkyl sulfate, alpha-alkene sulfonate, benzene sulfonamide acid alkali metal salt and amine salt, dialkyl group succinic acid sulfonate sodium, fatty alcohol, fatty acid amide N methyl taurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, alkylphenol polyoxyethylene sulphate, Negel, fatty acid or fatty acid ester sulphate, sodium lignin sulfonate, petroleum sodium sulfonate, alkyl biphenyl ether sulfonic acid sodium, naphtholsulfonic acid formaldehyde condensation products sodium salt, polyoxyethylene carboxylate sodium sulfonate and ammonium salt, alkylphenol polyoxyethylene, in the aliphatic alcohol polyethenoxy one or more;
The binding agent of 1-10% by weight, binding agent is one or more in starch, dextrin, gum Arabic, soybean protein, casein, gelatine and gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, shellac, paraffin, pitch, the ethene-vinyl acetate copolymer resins;
The disintegrant of 2-20% by weight, disintegrant is one or more in sulphur ammonium, calcium chloride, salt, magnesium chloride, aluminium chloride, urea, the bentonite;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
The carrier of 10-70% by weight, carrier is one or more in soybean, tobacco, acorn, corncob cellulose, rice husk, sulphur, diatomite, quicklime, magnesium lime, apatite, calcite, dolomite, gypsum, mica, talcum, pyrophyllite, clay, kaolinite, nacrite, dickite, anauxite, montmorillonite, atlapulgite, the float stone.
Processing method can be implemented by conventional method.When for example processing wetting powder, can be with fully drying, cooling, the mixing of a certain amount of active ingredient, wetting agent, dispersant and filler, comminution by gas stream is levigate promptly gets product.
Method of application depends on specific use, in all cases, must guarantee that their dispersion is trickle as far as possible and even.
When the present composition was used, the difference according to factors such as different crops, time of application, weather conditions was generally 0.5-500g a.i/ha (active ingredient/hectare), is preferably 1-100g a.i/ha, generally adopts foliage applying, and for example foliar spray is handled.Also can do other and handle as seed dressing, filling root etc., in this case, can adjust application dosage as required.For example when soil treatment control soil insect, using dosage is between 10-1000ga.i/ha.
Composition pesticide provided by the present invention has following advantage:
1. after carbendazim and kasugarnycin are mixed, can overcome the shortcoming that carbendazim is easy to generate resistance, can widen the scope of application of medicament, prolong the lasting period, improve drug effect.
2. after carbendazim and kasugarnycin are mixed, not only kept numerous advantages of kasugarnycin biological bactericide, and the reduction of the dosage of mixture, drug effect increases substantially, and has reduced production cost.
3. after carbendazim and kasugarnycin are mixed, obvious synergistic effect is arranged, can delay the pesticide resistance of germ, alleviated poisoning.
4. because the compatibility and the reasonable mixture ratio of preparation this series bactericidal agent required each material can greatly alleviate the toxic action to various natural enemies, to the infringement of ecotope with pollute lessly, help protecting the person poultry safety.
In order to understand essence of an invention better, be described further by following examples, but the present invention is not limited to these embodiment.
Example of formulations
The preparation of example of formulations 1:70% carbendazim+0.1% kasugarnycin wetting powder, each set of dispense ratio is:
95% carbendazim active compound is 73.68% weight ratio,
The former medicine of 74% kasugarnycin is 0.14% weight ratio,
Wetting agent: neopelex is 5% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 5% weight ratio,
Carrier: kaolin is 16.18% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 2:50% carbendazim+2% kasugarnycin granule, each set of dispense ratio is:
95% carbendazim active compound is 52.63% weight ratio,
The former medicine of 74% kasugarnycin is 2.70% weight ratio,
Wetting dispersing agent: neopelex 1% weight ratio,
Adhesive: starch is 2% weight ratio,
Help disintegrant: calcium chloride is 1% weight ratio,
Adsorbent: white carbon is 2% weight ratio,
Stabilizing agent: cresyl glycidyl ether is 3% weight ratio,
Carrier: Emathlite is 35.67% weight ratio.
Above-mentioned former medicine, auxiliary agent promptly get product through fully mixing, aggegation granulating, classification.
The preparation of example of formulations 3:10% carbendazim+20% kasugarnycin wetting powder, each set of dispense ratio is:
95% carbendazim active compound is 10.52% weight ratio,
The former medicine of 74% kasugarnycin is 27.03% weight ratio,
Wetting agent: neopelex is 5% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 5% weight ratio,
Carrier: kaolin is 52.45% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 4:20% carbendazim+10% kasugarnycin water-dispersible granules, each set of dispense ratio is:
95% carbendazim active compound is 21.05% weight ratio,
The former medicine of 74% kasugarnycin is 13.51% weight ratio,
Wetting agent: alkylphenol polyoxyethylene is 3% weight ratio,
Binding agent: polyvinyl alcohol is 2% weight ratio,
Disintegrant: urea is 12% weight ratio,
Stabilizing agent: phenyl glycidyl ether is 1% weight ratio,
Carrier: clay is 47.44% weight ratio.
Mixture is carried out granulation after the ultra-fine grinding, drying, screening promptly get product.
The preparation of example of formulations 5:30% carbendazim+1% kasugarnycin suspending agent, each set of dispense ratio is:
95% carbendazim active compound is 31.58% weight ratio,
The former medicine of 74% kasugarnycin is 1.35% weight ratio,
Wetting agent: calcium dodecyl benzene sulfonate is 5% weight ratio,
Dispersant: polyvinyl alcohol is 1% weight ratio,
Tackifier: Magnesiumaluminumsilicate is 3% weight ratio,
Preservative: potassium sorbate 1% weight ratio,
Antifreezing agent: propane diols 5% weight ratio,
Mend to 100% with deionized water, and with hydrochloric acid the most at last the pH value be modulated to 3-4.
Mentioned component is put into sand mill fully be crushed to reasonable particle diameter, filter and promptly get suspending agent.
The preparation of example of formulations 6:20% carbendazim+2% kasugarnycin suspending agent, each set of dispense ratio is:
95% carbendazim active compound is 21.05% weight ratio,
The former medicine of 74% kasugarnycin is 2.70% weight ratio,
Wetting agent: polyoxyethylene nonylphenol ether is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 3% weight ratio,
Tackifier: xanthans is 2% weight ratio,
Preservative: formaldehyde is 0.5% weight ratio,
Antifreezing agent: glycerine is 5% weight ratio,
Mend to 100% with deionized water, and with acetic acid the most at last the pH value be modulated to 3-4.
Mentioned component is put into sand mill fully be crushed to reasonable particle diameter, filter and promptly get suspending agent.
The preparation of example of formulations 7:40% carbendazim+3% kasugarnycin wetting powder, each set of dispense ratio is:
95% carbendazim active compound is 42.11% weight ratio,
The former medicine of 74% kasugarnycin is 4.05% weight ratio,
Wetting agent: bay alcohol radical sodium sulphate is 5% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 5% weight ratio,
Carrier: kaolin is 43.84% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 8:25% carbendazim+3% kasugarnycin water-dispersible granules, each set of dispense ratio is:
95% carbendazim active compound is 26.31% weight ratio,
The former medicine of 74% kasugarnycin is 4.05% weight ratio,
Wetting agent: sodium lignin sulfonate is 8% weight ratio,
Binding agent: polyvinyl acetate is 9% weight ratio,
Disintegrant: urea is 15% weight ratio,
Stabilizing agent: butyl glycidyl ether is 1% weight ratio,
Carrier: atlapulgite is 36.64% weight ratio.
Mixture is carried out granulation after the ultra-fine grinding, drying, screening promptly get product.
The biological activity determination test
Biologically active embodiment 1: to the indoor biometrics test of Pyricularia oryzae
1, for the examination germ
The pathogenic bacteria of rice blast (Pyricularia oryzae Cav): Agricultural University Of South China's plant pathology laboratory cultures.
2, test medicine
The former medicine of 74% kasugarnycin: Japan northern emerging agricultural chemicals Co., Ltd.;
95% carbendazim active compound: Xinyi farmingization Co., Ltd of Jiangsu Soviet Unionization group.
3, test method
Adopt the mycelial growth rate method.The dissolving of kasugarnycin water, and be diluted to required concentration; The carbendazim acetone solution, and be diluted with water to required concentration, making content of acetone is 1.0%.Carbendazim and kasugarnycin are mixed in 5 ratios such as 20: 2,20: 4,20: 6,20: 8,20: 10.Each ratio Mixed Pharmacy is made into certain density mother liquor with acetone respectively, join respectively according to 1: 100 ratio of volume ratio and to have melted and be cooled in the medium about 50 ℃, the culture dish of fully pouring 4 sterilizations behind the mixing into is (among the =7cm), making the pastille medium of series concentration, is contrast with the flat board that adds the equal-volume organic solvent.With card punch (the germ bacterium cake that the intercepting of =5mm) is cultivated on medium, mycelia faces down and is inoculated in the pastille medium central authorities of having solidified, place dark culturing in 25 ± 1 ℃ of constant incubators, measure behind the 3d for the colony diameter of examination germ on variable concentrations pastille medium, calculate the growth inhibition ratio of each chemicals treatment with comparing the bacterium colony expansion.
4, data survey and statistical analysis
Handle after the back cultivates 3d, measure, calculate the growth inhibition ratio of each chemicals treatment with comparing the bacterium colony expansion for the colony diameter of examination germ on variable concentrations pastille medium.According to biostatistics probit value conversion table, will suppress percentage and be converted into the inhibition probit value, be abscissa with the concentration logarithm of setting in the test, the inhibition probit value is an ordinate, calculates the toxicity regression linear equation of medicament, obtains EC
50Value.
5, interpretation of result and discussion
The synergy that the following two kinds of medicaments of different proportion are mixed the results are shown in Table 1.As can be seen from Table 1, kasugarnycin+carbendazim has obvious synergistic effect during with 10: 20,8: 20,6: 20,4: 20 proportionings, and wherein the proportioning of kasugarnycin and carbendazim is that synergistic effect in 6: 20 o'clock is the most obvious.
Kasugarnycin and carbendazim synergy result under table 1 different proportion
| Reagent agent a: b | Virulence regression equation | EC 50Value (μ g/ml) | Correlation coefficient | 95% confidence limit | Co-toxicity coefficient |
| 1∶0 0∶1 10∶20 8∶20 6∶20 4∶20 2∶20 | Y＝2.5232+1.9305x Y＝2.0914+2.3909x Y＝3.1623+1.6179x Y＝3.1170+1.6894x Y＝3.2820+1.8163x Y＝2.9212+2.0089x Y＝3.2574+1.4951x | 19.19 16.46 13.67 13.02 8.83 10.83 14.64 | 0.9925 0.9917 0.9864 0.9802 0.9854 0.9926 0.9962 | 16.46-22.36 14.06-19.28 11.07-16.88 10.78-15.72 7.47-10.43 9.51-12.35 12.22-7.54 | 126.41 131.80 192.81 155.65 113.93 |
A represents kasugarnycin; B represents carbendazim.
Biologically active embodiment 2: to the control test of mango anthracnose (adopting the back)
1, test medicine:
A:2% kasugarnycin aqua (Guangdong Jiangmen plant protection Co., Ltd product)
B:50% carbendazol wettable powder (Zhenjiang, Jiangsu Co., Ltd of insecticide factory product)
C:20% carbendazim+2% kasugarnycin suspending agent
2, test method:
Test is under lab carried out, and the temperature remains within the normal range, ventilated, and the examination material is In Shade, avoids the sunlight direct projection, and the indoor daily mean temperature of duration of test is 25～29 ℃, and relative moisture is about 70%.
In the mango garden, pluck in June, 2007 and be about to ripe mango in west of Guangdong Province Yuexi, select fruit, reject disease, worm, wound fruit, to test fruit washes down with flowing water, dry the back and soak fruit by the medicament normal temperature for preparing, the processing time is 115 minutes, carries out single fruit with glossy paper after handling and packs.500 times of liquid of 2% kasugarnycin, 500 times of liquid of 50% carbendazol wettable powder, 25% carbendazim+500 times of liquid of 2% kasugarnycin suspending agent and 4 processing of blank are established in test, and every processing repeats for 4 times, and totally 16 sub-districts are a district with 50 fruits.Investigated altogether 3 times in the 7th day, 10 days and 12 days after chemicals treatment, write down one by one and add up anthracnose sick fruit number and sick level are calculated disease and are referred to and preventive effect.Stage division: 0 grade, anosis; 1 grade, lesion area accounts for below 5% of fruit area; 3 grades, lesion area accounts for 6%～15% of fruit area; 5 grades, lesion area accounts for 16%～25% of fruit area; 7 grades, lesion area accounts for 26%～50% of fruit area; 9 grades, lesion area accounts for more than 50% of fruit area.Computing formula:
Disease refers to=∑ (the sick level typical value * sick fruit of this grade the number)/total fruit of investigation number * 9 * 100
Preventive effect (%)=(the sick index of CK-handle disease the index)/sick index of CK * 100
3, result of the test:
As can be seen from Table 2: in three processing, 20% carbendazim+2% kasugarnycin wetting powder preventive effect is best, 7 days is 95.02% behind the medicine, under the Isodose 81.57% of 73.93% and 50% carbendazol wettable powder of 2% kasugarnycin aqua, behind the medicine 12 days, its preventive effect has shown significant mixed synergies still for the highest.
Three kinds of chemical control mango of table 2 (adopting the back) anthracnose test of pesticide effectiveness result
| Handle | Behind the medicine 7 days | Behind the medicine 10 days | Behind the medicine 12 days | |||
| Disease refers to | Preventive effect (%) | Disease refers to | Preventive effect (%) | Disease refers to | Preventive effect (%) | |
| A B C clear water contrast (CK) | 7.32 5.17 1.40 28.06 | 73.93 81.57 95.02 | 13.55 9.11 4.11 45.80 | 70.42 80.12 91.02 | 21.51 16.60 7.98 69.95 | 69.25 76.28 88.59 |
Annotate: above numeral is 4 mean values that repeat.
Biologically active embodiment 3: to the field trial of rice blast control
1, test medicine:
A:2% kasugarnycin aqua (Guangdong Jiangmen plant protection Co., Ltd product)
B:50% carbendazol wettable powder (Zhenjiang, Jiangsu Co., Ltd of insecticide factory product)
C:20% carbendazim+2% kasugarnycin suspending agent
2, test method:
Tested in 2007 and carry out in Jiangmen city Du Ruan Zhen LongXi village, the experimental field is a sandy loam, middle fertility, and irrigation and drainage are convenient, are paddy field all around.The rice planting mode is for transplanting.(every 667m is established in test
2Dosage, down together) A:60 gram, 90 restrains, 120 grams; B:35 gram, 45 grams, 60 grams; 9 chemicals treatment such as C:60 gram, 90 grams, 120 grams and blank, each is handled 3 times and repeats, and district's group is arranged at random, and the sub-district area is 30m
2Test September 6 paddy rice be in dispenser for the first time in tillering stage, spray was once again in 15 days at interval.Each is handled and uses backpack 3WBS-16 type hand sprayer even spraying after medicament is converted water 60kg.Dispenser sunlight on the same day is stronger, and gentle breeze is arranged, and 28h does not have rain after the dispenser.
The investigation of diagonal five point samplings is adopted in every sub-district, carries out state of an illness radix investigation before the medicine on September 5, sprays for the second time behind the medicine to carry out disease index investigation, twice totally in 15 days.25 clumps of every sub-district investigation, every clump of 15 blades calculate disease index and preventive effect.Rice blast disease index stage division: 0 grade: no scab; 1 grade: leaf spot lesion is less than 5, and length is less than 1cm; 3 grades: leaf spot lesion 6-10, partial-length is greater than 1cm; 5 grades: leaf spot lesion 11-25, the part scab is linked to be sheet, accounts for leaf area 10%-25%; 7 grades: leaf spot lesion is more than 26, and scab is linked to be sheet, and area accounts for the 26-50% of whole blade area; 9 grades: lesion area accounts for more than 50% of whole blade area.
Drug effect is calculated as follows:
In the formula: CK
0Disease index before the dispenser of=blank district; CK
1Disease index after the dispenser of=blank district;
PT
0Disease index before the dispenser of=chemicals treatment district; PT
1Disease index after the dispenser of=chemicals treatment district.
3, result of the test
Table 3 result shows: after the dispenser for the second time 15 days, in 9 processing, the highest with 20% carbendazim+2% kasugarnycin suspending agent 120g/ mu preventive effect, reach 91.25%, secondly be 50% carbendazol wettable powder of 60g/ mu, preventive effect only is 78.53% when being the processing of 81.63%, 2% kasugarnycin 120g/ mu, the data statistics result shows that respectively to handle differences remarkable, shows after carbendazim and kasugarnycin are mixed to have good synergistic effect.
Each handles control rice blast field control effectiveness test result table 3
| Handle (667m 2) | Average disease refers to | Preventive effect behind the last medicine (%) (respectively repeating mean value) | The significance of difference | |
| 5％ | 1％ | |||
| A(60g) A(90g) A(120g) B(35g) B(45g) B(60g) C(60g) C(90g) C(120g) | 13.73 10.59 8.42 9.91 8.79 10.63 8.51 11.32 9.95 | 60.50 68.22 78.53 70.21 78.63 81.63 70.65 85.42 91.25 | d c ab b ab ab b a a | D C B BC B AB BC A A |
| Blank (CK) | 46.59 | |||
Claims (12)
1. the composition pesticide of a carbendazim and kasugarnycin or its hydrochloride is characterized in that carbendazim accounts for 10-70% by weight in composition, and kasugarnycin accounts for 0.1-20%, and all the other are auxiliary agents.
2. according to claim 1, it is characterized in that described composition pesticide can be mixed into suspending agent, or wetting powder, or granule, or water-dispersible granules, or microcapsule formulations.
3. composition pesticide according to claim 1 is characterized in that carbendazim can be carbendazim active compound or carbendazim preparation.
4. composition pesticide according to claim 1 is characterized in that kasugarnycin can be any one or two kinds of metabolites that produce in Actinomyces microaureus (Actinomycetes microaurous) and another Actinomyces microaureus (Streptomyces kasugaensis).
5, composition pesticide according to claim 1 is characterized in that, carbendazim is 20-50%, and kasugarnycin is 2-10%.
6. composition pesticide according to claim 5 is characterized in that described mixed insecticide preparation is a suspending agent, and its auxiliary agent comprises:
The wetting agent of 0.2-15% by weight, wetting agent are one or more in neopelex, calcium dodecyl benzene sulfonate, dioctyl succinate semi-annular jade pendant acid sodium, polyoxyethylene nonylphenol ether, the multiple phenol polyethenoxy ether of benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, calcium dodecyl benzene sulfonate, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The dispersant of 0.3-10% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The tackifier of 0.1-5% by weight, tackifier are one or more in gum Arabic, xanthan gum, methylcellulose, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, gaseous state silica, the Magnesiumaluminumsilicate;
The preservative of 0.1-5% by weight, preservative are one or more in formaldehyde, isothiazolinone, Buddhist nun uncle tortoise beetle ester, potassium sorbate, the Sodium Benzoate;
The antifreezing agent of 1-8% by weight, antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea;
The defoamer of 0-5% by weight, defoamer is organic silicone, C
10-20In saturated fat acids, iodoxy amine, the ester ethers one or more;
The pH value conditioning agent of 0-1% by weight, pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid.
7. composition pesticide according to claim 5 is characterized in that described mixed insecticide preparation is a wetting powder, and its auxiliary agent comprises:
The wetting agent of 2-35% by weight, wetting agent is natural products wetting agent and anionic wetting agent, and available tea is withered, spaonin powder, soapberry powder, silkworm excrement, bay alcohol radical sodium sulphate, neopelex, washing powder, draw back in the powder one or more;
The dispersant of 2-30% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The filler of 5-70% by weight, filler be kaolin, white carbon, dolomite, diatomite, magnesium chloride, one or more.
8. composition pesticide according to claim 5, when it is characterized in that described mixed insecticide preparation is granule, its auxiliary agent comprises:
The carrier of 5-80% by weight, carrier is clay, kaolin, mica, talcum, bentonite, Emathlite.In silica sand, white carbon, silicic acid, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, the urea one or more;
By the wetting dispersing agent of 0.2-5% by weight, wetting dispersing agent is one or more in bay alcohol radical sodium sulphate, neopelex, naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, the alkylphenol-polyethenoxy based phosphates;
The adhesive of 0.5-10% by weight, adhesive is one or more in starch, dextrin, gum Arabic, gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, the paraffin;
By weight 0.5-3% help disintegrant, helping disintegrant is in thiamines, calcium chloride, salt, magnesium chloride, the aluminium chloride one or more;
The adsorbent of 0.5-5% by weight, adsorbent is one or more in white carbon, diatomite, attapulgite, the calcium carbonate;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide.
9. composition pesticide according to claim 5, when it is characterized in that described mixed insecticide preparation is water-dispersible granules, its auxiliary agent comprises:
The wetting agent of 2-20% by weight, wetting agent is a saponin, lignosulfite, the hydrolysate of animal waste, alkyl sulfate, alpha-alkene sulfonate, benzene sulfonamide acid alkali metal salt and amine salt, dialkyl group succinic acid sulfonate sodium, fatty alcohol, fatty acid amide N methyl taurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, alkylphenol polyoxyethylene sulphate, Negel, fatty acid or fatty acid ester sulphate, sodium lignin sulfonate, petroleum sodium sulfonate, alkyl biphenyl ether sulfonic acid sodium, naphtholsulfonic acid formaldehyde condensation products sodium salt, polyoxyethylene carboxylate sodium sulfonate and ammonium salt, alkylphenol polyoxyethylene, in the aliphatic alcohol polyethenoxy one or more;
The binding agent of 1-10% by weight, binding agent is one or more in starch, dextrin, gum Arabic, soybean protein, casein, gelatine and gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, shellac, paraffin, pitch, the ethene-vinyl acetate copolymer resins;
The disintegrant of 2-20% by weight, disintegrant is one or more in sulphur ammonium, calcium chloride, salt, magnesium chloride, aluminium chloride, urea, the bentonite;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
The carrier of 10-70% by weight, carrier is one or more in soybean, tobacco, acorn, corncob cellulose, rice husk, sulphur, diatomite, quicklime, magnesium lime, apatite, calcite, dolomite, gypsum, mica, talcum, pyrophyllite, clay, kaolinite, nacrite, dickite, anauxite, montmorillonite, atlapulgite, the float stone.
10. composition pesticide according to claim 5 is characterized in that producing each set of dispense ratio of 20% carbendazim+2% kasugarnycin suspending agent and is:
95% carbendazim active compound is 21.05% weight ratio,
The former powder of 74% kasugarnycin is 2.70% weight ratio,
Wetting agent: polyoxyethylene nonylphenol ether is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 3% weight ratio,
Tackifier: xanthans is 2% weight ratio,
Preservative: formaldehyde 0.5% weight ratio,
Antifreezing agent: glycerine 5% weight ratio,
Mend to 100% with deionized water, and with acetic acid the most at last the pH value be modulated to 3-4.
11 composition pesticides according to claim 5 is characterized in that producing each set of dispense ratio of 40% carbendazim+3% kasugarnycin wetting powder and are:
95% carbendazim active compound is 42.11% weight ratio,
The former powder of 74% kasugarnycin is 4.05% weight ratio,
Wetting agent: bay alcohol radical sodium sulphate is 5% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 5% weight ratio,
Carrier: kaolin is 43.84% weight ratio.
12. composition pesticide according to claim 5 is characterized in that producing each set of dispense ratio of 25% carbendazim+3% kasugarnycin water-dispersible granules and is:
95% carbendazim active compound is 26.31% weight ratio,
The former powder of 74% kasugarnycin is 4.05% weight ratio,
Wetting agent: sodium lignin sulfonate is 8% weight ratio,
Binding agent: polyvinyl acetate is 9% weight ratio,
Disintegrant: urea is 15% weight ratio,
Stabilizing agent: butyl glycidyl ether is 1% weight ratio,
Carrier: atlapulgite is 36.64% weight ratio.
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| CN2007101876431A CN101248794B (en) | 2007-11-20 | 2007-11-20 | Agricultural chemical composition containing carbendazim and kasugamycin |
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