CN105309462A - Water dispersible granule capable of being quickly disintegrated - Google Patents
Water dispersible granule capable of being quickly disintegrated Download PDFInfo
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- CN105309462A CN105309462A CN201410312428.XA CN201410312428A CN105309462A CN 105309462 A CN105309462 A CN 105309462A CN 201410312428 A CN201410312428 A CN 201410312428A CN 105309462 A CN105309462 A CN 105309462A
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Abstract
The invention provides a water dispersible granule which is capable of being quickly disintegrated and contains bellkute and mancozeb as active components. In particular, the invention relates to the water dispersible granule which contains the bellkute and the mancozeb and at least one water-soluble filling material. The water dispersible granule which is capable of being quickly disintegrated and contains the bellkute and the mancozeb as the active components can be quickly dispersed in water to form a high-quality dispersion system so that non-uniformity of application due to spray nozzle blocking or excessive-early settling in spray can be avoided.
Description
Technical field
The present invention relates to one can quickly disintegrated water dispersible granules, particularly a kind of can quickly disintegrated containing active component hundred can with water dispersible granules of mancozeb and preparation method thereof, purposes.
Background technology
Gray mold, powdery mildew, anthracnose, leaf spot, scab, shot hole, canker, downy mildew, the epidemic disease on fruit tree, melon, vegetables is often there is in agricultural production, and the corn leaf spot of field crop, sclerotinia rot of colza, wheat rust, powdery mildew, the diseases such as Cotton Boll Rot.
Hundred can obtain (Bellkute), and have another name called biguanides three octyl benzene sulfonate, its chemical name is: 1 ＇ 1-imino group (octyl group methylene) biguanides 3(alkyl benzene sulfonate), be the antistaling disinfectant of the single molecular structure of biguanides salt, its structural formula is:
n=10~13
Hundred can be produced by Japanese Cao Da company.Hundred can tagging and prevention type bactericide as broad spectrum activity, local permeability is strong, very high growth inhibitory activity is had to some disease fungus, it mainly works to the biosynthesis of the class ester compounds of fungi and cell membrane function, suppress spore germination, germ tube extend, the formation of appresorium and mycelia, the fungal disease caused by most of sac fungi and imperfect fungus can be prevented and treated.Effectively can prevent and treat gray mold, powdery mildew, stalk break, stem wilt, blight dis-ease, anthracnose, ring spot, scab, leaf spot, spot defoliation, fruit soft rot, penicilliosis, green mould.Especially to tomato, grape grey mould, apple peels and cores, powdery mildew of cucumber, watermelon grafting all have good preventive effect.But such disease of single control, the variation frequency of pathogen self is large, cause pathogen to create pesticide resistance in various degree to these medicaments, and its anti-medicine heredity is very stable in addition.
Mancozeb (Mancozeb), its chemical name is: the complex salt of the two dithiocarbamates formyl manganese of ethylene and zinc, and its structural formula is:
Mancozeb is a kind of excellent protective fungicide, belongs to low-toxin farm chemicals.Its mechanism of action mainly suppresses the oxidation of pyruvic acid in thalline.Because its bactericidal range extensively, not easily produces resistance, control efficiency is obviously better than other same series bactericidal agents, so consumption is large tonnage product in the world always.The main controlling object of mancozeb: pear scab, citrus scab, canker, alternaria leaf spot of apple, downy mildew of garpe, downy mildew of lichee, phytophthora root rot, Pepper Phytophthora Blight, cucumber, muskmelon, water melon frost mildew, tomato blight, potato late blight, Cotton Boll Rot, wheat rust, powdery mildew, the large spot of corn, cecospora spot, black shank, Chinese yam anthracnose, brown rot, collar maize ear rot, spot defoliation etc.
But such disease of single control, the variation frequency of pathogen self is large, cause pathogen to create pesticide resistance in various degree to these medicaments, and its anti-medicine heredity is very stable in addition.So the reactive compound being used alone above-mentioned two kinds of matter that have microbe killing properties all does not reach desirable bactericidal effect.
CN201210383677 discloses the composition pesticide of biguanides three octyl benzene sulfonate and mancozeb.Embodiment 1-6 discloses 50%-80% biguanides three octyl benzene sulfonate mancozeb water dispersible granule.
Hundred preferably can be mixed with water dispersible granules with the composition of mancozeb.In prior art containing hundred can with the water dispersible granules of mancozeb not easily fater disintegration.Not easily quickly disintegrated bactericide active ingredient skewness, such as easy stopped nozzles or premature settlement thus cause the inhomogeneities using bactericide in spraying, thus be unfavorable for playing bactericidal effect.
Water-dispersible granules is normally diluted to the solution or dispersion liquid that can be used for spraying in moisture mixer.The maximum particle diameter of dispersed agricultural chemicals of dilution should be not more than 50 microns, causes the inhomogeneities of applying pesticides to avoid nozzle blockage or premature settlement.Therefore, need all the components of formulation products to be dispersed or dissolved in fast and completely in the water of dilution.
Active component is mixed with the water-dispersible composition easily mixed with water, to use atomizers spray to carry out crop protection, this is very favorable.Preparation has the dispersiveness that the immediately disintegrable in water becomes reconciled, good wearability, have evenly granularity and the water-dispersible composition of bulk density user is highly profitable.
Summary of the invention
The present invention seeks to solve the problems of the technologies described above, provide a kind of can quickly disintegrated containing active component hundred can with water dispersible granules of mancozeb and preparation method thereof, purposes.
The technical solution adopted for the present invention to solve the technical problems is:
Can quickly disintegrated containing active component hundred can with a water dispersible granules for mancozeb, it is characterized in that containing:
10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb components by weight percentage;
(ii) at least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
(iii) one or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent;
In composition, the summation of all the components is 100%.
The present invention also provide a kind of can quickly disintegrated containing active component hundred can with the preparation method of the water dispersible granules of mancozeb, comprise the following steps:
A () prepares mixture, comprising:
(i) 10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb components by weight percentage;
(ii) at least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
(iii) one or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent;
In composition, the summation of all the components is 100%.
B () adds the enough water can extruding thickener in said mixture;
C paste-extruded formation extrudate that () will be obtained by mould or sieve in (b);
(d) this extrudate dry.
A kind of can quickly disintegrated containing active component hundred can with the water dispersible granules of mancozeb control fruit, vegetables, cereal all kinds of diseases in application.
Can quickly disintegratedly can be used for preventing and treating gray mold, powdery mildew, anthracnose, leaf spot, scab, shot hole, canker, downy mildew, epidemic disease, a stalk break with the water dispersible granules of mancozeb containing active component hundred, rust, rotted rate.
Provided by the invention a kind of can quickly disintegrated containing active component hundred can with the water dispersible granules of mancozeb, can fater disintegration in water, have good water dispersible, that stopped nozzles or premature settlement in spraying can be avoided to cause uses inhomogeneities.
Embodiment
The invention provides a kind of can quickly disintegrated containing active component hundred can with the water dispersible granules of mancozeb, it contains:
I) 10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb components by weight percentage;
Ii) at least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
Iii) one or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent.
In composition, the summation of all the components is 100%.
Described wetting agent is selected from condensation product, the fatty alcohol-polyoxyethylene ether of alkyl sulfo succinate, laruate, alkyl sulfate and phosphate, alkyl phenol ethoxylates, benzene sulfonate, alkyl substituted benzene sulfonate, naphthalene sulfonate, alkyl-substituted naphthaline sulfonate, naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde.The present invention can comprise the wetting agent being up to 10%.
Described dispersant is selected from the sodium of lignin sulfonic acid, calcium and ammonium salt; The sodium salt of copolymer-maleic anhydride and ammonium salt, the sodium salt of condensation phenolsulfonic acid, naphthalene sulfonate-formaldehyde condensation product.The present invention can comprise the dispersant being up to 10%.Lignosulfonates such as sodium lignin sulfonate is especially suitable for bactericidal composition of the present invention.
Anticaking agent lumps when can prevent particle from storing in the warehouse of heat.Anticaking agent of the present invention can be selected from sodium phosphate, ammonium phosphate, sodium acetate, anhydrous calcium chloride, molecular sieve, sodium alkylsulfosuccinates, calcium oxide and barium monoxide.
Chemical stabilizer can avoid active component to decompose between the storage life.Chemical stabilizer of the present invention is selected from lithium phosphate, sodium phosphate, potassium phosphate, alkaline earth metal and transition metal as the sulphate of magnesium, zinc, aluminium and iron, calcium chloride and calcium oxide, boric anhydride.
The present invention also provide a kind of can quickly disintegrated containing active component hundred can with the preparation method of the water dispersible granules of mancozeb, comprise the following steps:
A () prepares mixture, comprising:
I) 10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb components by weight percentage;
Ii) at least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
Iii) one or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent;
In composition, the summation of all the components is 100%.
B () adds the enough water can extruding thickener in said mixture;
C paste-extruded formation extrudate that () will be obtained by mould or sieve in (b);
(d) this extrudate dry.
Described wetting agent is selected from condensation product, the fatty alcohol-polyoxyethylene ether of alkyl sulfo succinate, laruate, alkyl sulfate and phosphate, alkyl phenol ethoxylates, benzene sulfonate, alkyl substituted benzene sulfonate, naphthalene sulfonate, alkyl-substituted naphthaline sulfonate, naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde;
Described dispersant is selected from the sodium of lignin sulfonic acid, calcium and ammonium salt; The sodium salt of copolymer-maleic anhydride and ammonium salt, the sodium salt of condensation phenolsulfonic acid, naphthalene sulfonate-formaldehyde condensation product;
Described anticaking agent is selected from sodium phosphate, ammonium phosphate, sodium acetate, anhydrous calcium chloride, molecular sieve, sodium alkylsulfosuccinates, calcium oxide and barium monoxide;
Described chemical stabilizer is selected from lithium phosphate, sodium phosphate, potassium phosphate, alkaline earth metal and transition metal as the sulphate of magnesium, zinc, aluminium and iron, calcium chloride and calcium oxide, boric anhydride;
Sodium bicarbonate, saleratus and sodium carbonate that what described foaming agent was non-limiting be selected from share with the such as acid such as citric acid and fumaric acid, potash.
When preparing extrusioning mixture, usually adding other component of blend mixture before water formation can extrude thickener to form uniform composition.The homogeneous mixture do not got wet grinding formation can be extruded powder.Extrude powder particle diameter can difference very large.Usually after grinding, the average grain diameter extruding powder is not more than 50 microns (um).Wherein particle diameter is the diameter of the equivalent spherical diameter of particle, namely identical with particle volume ball.For the particle extruded in powder, average grain diameter refers to volume assembly average, also referred to as bulk averaged value.For the domain size distribution of powder, the percentage of particle is also based on volume.The principle of granularmetric analysis is well known to those skilled in the art.
Being applicable to for making mixture extruding, in mixture, adding water formation extrude thickener.Usually dry component mixture is joined in low speed or moderate shear mixer or agitator, be then mixed to formation can extrude thickener with water-wet.Sprayable or continuous-flow type adds water.Usual needs add account for dry component mixture weight 5%-50% water to obtain extruding thickener.
By being that thickener obtains extrudate (wet extrudes bar) by paste extruder and completes and extrude.Paste extruder comprises a basket formula extruder, extruders.Extruder is equipped with mould or sieve, and its aperture is generally 0.3-3mm, preferred 0.5-1.5mm, most preferably 0.7-1.0mm.
Then extrudate is dry.Multiple seasoning can be used to carry out dry extrudate.Conventional drying methods comprises column plate, rotation, fluid bed and vibrated fluidized bed.Vibrate in the seasoning being applied to extrudate, to roll and the stirring of other form breaks into shorter length by contributing to making to extrude bar and finally becomes the particle distributed by cubing.Preferred fluid-bed drying, this is that fluidisation will improve the breaking property that bar is extruded in drying owing to colliding into separating particles by making to extrude bar.Be dried to humidity be less than 5% thus obtain not having sticking hard particles.Preferably hard, do not have sticking particle, this is that the possibility gathered due to them reduces.Be greater than about 40
oc, preferably at least 60
oc but be no more than 85
othe baking temperature of C can effectively obtain required humidity level.
In packaging with before using, usually the extrusioning mixture of drying is carried out sieving to remove powder and any aggregation block, and make as far as possible to extrude the shorter length of reinforcement fracture one-tenth.Therefore, preparation method of the present invention also comprises the step of sieving dry extrudate.By granularity fracture will be done into about 0.3-7mm, preferably about 0.5-5mm and preferably 0.7-4mm distribution of lengths thus obtain the particle that its length is applicable to being distributed by cubing.
Believe those skilled in the art can implement the present invention on the basis of the above the most fully and without the need to further describing in detail.Because following examples only should be interpreted as exemplary instead of to any aspect of above-mentioned disclosure restriction.
According to U.S. Patent No. 3,920,442,9 hurdles, the long tube sedimentation experiment of the 1 to 39 line description determines granule of the present invention and can become high-quality dispersion by rapid dispersion in water.Suitable long tube sedimentation experiment value is that precipitating had 0.02ml after 5 minutes, preferably 0.01ml solid sedimentation.
Provided by the invention a kind of can quickly disintegrated containing active component hundred can with the water dispersible granules of mancozeb, can become high-quality dispersion by rapid dispersion in water, that stopped nozzles or premature settlement in spraying can be avoided to cause uses inhomogeneities.
Can with method known in the art use the present invention a kind of can quickly disintegrated containing active component hundred can with the water dispersible granules of mancozeb, these methods comprise spraying, spraying, instillation, dipping, injection, irrigation etc.
The present invention is a kind of can quickly disintegratedly can disseminate with the water dispersible granules of mancozeb containing active component hundred usually after dilute with water.During by water dispersible granules dilute with water of the present invention, the extension rate of this water dispersible granules changes according to pesticide variety, pending crop species, bacterial species to be alleviated, toeatment period, application process etc., and not given, but usually at 20-10, in the scope of 000 times.
Water dispersible granules of the present invention is particularly suitable for preventing and treating following plants pathogenic epiphyte: standing grain powdery mildew (Blumeriagraminis) (powdery mildew) in Cereal, two spore powdery mildews (Erysiphecichoracearum) in cucurbitaceous plant and monofilament shell (Sphaerothecafuliginea), apple mildew bacterium (Podosphaeraleucotricha) in apple, grape snag shell (Uncinulanecator) in grape vine, handle rest fungus (Puccinia) in Cereal belongs to, cotton, rhizoctonia (Rhizoctonia) in rice and lawn belongs to, smut (Ustilago) in Cereal and sugarcane belongs to, venturia inaequalis (Venturiainaequalis) (scab) in apple, the compacted spore of length in Cereal (Helminthosporium) belongs to, wheat glume blotch bacterium (Septorianodorum) in wheat, strawberry, vegetables, Botrytis cinerea (Botrytiscinerea) (gray mold) in ornamental plants and grape vine, peanut tail spore (Cercosporaarachidicola) in peanut, eye spot bacterium (PseudocercosporellaHerpotrichoides) in Wheat and barley, Pyricularia oryzae (Pyriculariaoryzae) in rice, phytophthora infestans (Phytophthorainfestans) in potato and tomato, grape single shaft in grape vine is mould (Plasmoparaviticola), false downy mildew (Pseudoperonospora) in lupulus and cucumber belongs to, stalk break (sclerotiose) in rape, rod method (Alternaria) in vegetables and fruit belongs to, ball chamber bacterium (Mycosphaerella) in banana belongs to and Neurospora (Fusarium) and wheel branch spore (Verticillium) genus.
Preferably, of the present invention containing active component hundred can with the water dispersible granules of mancozeb for preventing and treating fruit, vegetables, the gray mold of cereal, powdery mildew, anthracnose, leaf spot, scab, shot hole, canker, downy mildew, epidemic disease, stalk break, rust, rotted rate etc.
Further illustrate the present invention below with reference to embodiment, but do not limit to the present invention.
Embodiment
Embodiment 110,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 5%
Mancozeb 5%
Sodium lignin sulfonate 2%
Polyoxyalkylene aryl phenylate sodium sulphate 2%
Glucose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 10,%00 and can obtain mancozeb water dispersible granule.
Embodiment 220,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 5%
Mancozeb 15%
Fatty alcohol-polyoxyethylene ether 5%
Calcium dodecyl benzene sulfonate 5%
Sodium acetate 1%
Sucrose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 20,%00 and can obtain mancozeb water dispersible granule.
Embodiment 330,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 10%
Mancozeb 20%
Sodium alkylsulfosuccinates 10%
Sodium carbonate 2%
Citric acid 1%
Glucose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 30,%00 and can obtain mancozeb water dispersible granule.
Embodiment 445,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 10%
Mancozeb 35%
The condensation product 8% of naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde
Sodium bicarbonate 7%
Sodium phosphate 3%
Lactose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 45,%00 and can obtain mancozeb water dispersible granule.
Embodiment 544,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 40%
Mancozeb 4%
Dodecyl sodium naphthalene sulfonate 10%
Saleratus 1%
Sucrose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 44,%00 and can obtain mancozeb water dispersible granule.
Embodiment 633,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 3%
Mancozeb 30%
Sodium laurate 3%
Potash 1.9%
Lactose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 33,%00 and can obtain mancozeb water dispersible granule.
Embodiment 740,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 20%
Mancozeb 20%
Lauryl sodium sulfate 5%
Sodium lignin sulfonate 5%
Lactose 10%
Sucrose 10%
Glucose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 40,%00 and can obtain mancozeb water dispersible granule.
Embodiment 845,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 10%
Mancozeb 35%
Sodium lignin sulfonate 5%
Dodecyl sodium sulfate 5%
Lactose 20%
Sucrose surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 45,%00 and can obtain mancozeb water dispersible granule.
Embodiment 9:40% hundred can obtain mancozeb water dispersible granule
Hundred can obtain 10%
Mancozeb 30%
Lauryl sodium sulfate 4%
Sodium lignin sulfonate 6%
Lactose 25%
Glucose 25%
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 40,%00 and can obtain mancozeb water dispersible granule.
Comparative examples 145,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 10%
Mancozeb 35%
The condensation product 8% of naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde
Sodium bicarbonate 7%
Sodium phosphate 3%
Kaolin surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 45,%00 and can obtain mancozeb water dispersible granule.
Comparative examples 210,%00 can obtain mancozeb water dispersible granule
Hundred can obtain 5%
Mancozeb 5%
Sodium lignin sulfonate 2%
Polyoxyalkylene aryl phenylate sodium sulphate 2%
Kaolin surplus
By formula, each component is fully mixed to get mixture, adds the enough water can extruding thickener in the mixture; By the paste-extruded formation extrudate that mould or sieve obtain; This extrudate dry then obtains 10,%00 and can obtain mancozeb water dispersible granule.
In above embodiment, proportioning is weight per distribution ratio.
Embodiment 10 water dispersible is tested:
According to U.S. Patent No. 3,920,442,9 hurdles, the long tube deposition test of the 1 to 39 line description measures water dispersible granules of the present invention and can become high-quality dispersion by rapid dispersion in water.Suitable long tube sedimentation experiment value is that precipitating had 0.02ml after 5 minutes, preferably 0.01ml solid sedimentation.
Test method: long tube deposition test
(1) one gram of material to be tested is placed in the beaker of high type " Pyrex " of 30 milliliters, containing the distilled water of 20 milliliters in beaker;
(2) stir 60 seconds with the speed of 30rpm (1/4 inch diameter × 1 inch long) with the teflon-coating magnetic stirring bar of " Teflon ";
(3) stop stirring, and stirring rod is taken out, and with the distilled water flushing of about 1ml;
(4) suspension or dispersion liquid are poured into rapidly in the sediment tube of assembling, containing the distilled water of 200 milliliters in sediment tube; With solids all in the distilled water flushing beaker of 3-5 milliliter;
(5) sedimentation pipe comprises the centrifuge tube of a 6.5ml; Bottom centrifuge tube, 0.4ml take 0.01ml as scale; Neck is with the female mouth of taper joint of 19/22 standard gauge;
(6) the public mouth of cone property joint connects the Pyrex long tube (external diameter 19mm × internal diameter 17mm) of an opening, inserts female mouth of centrifuge tube;
(7) top of the upper end of the Pyrex pipe from the front end of centrifuge tube to opening, assembling sediment tube is about 1030 millimeters; Pyrex long tube is labeled the cumulative volume of corresponding 200 milliliters, and from the tip of centrifuge tube, about 900 ± 25 millimeters high;
(8) before assembling sediment tube is filled 200ml distilled water, this assembling sediment tube is kept motionless, thus makes longitudinal axis be vertical;
(9) rate of settling of suspended solid of 1 minute, 3 minutes, 5 minutes after pouring suspension or dispersion liquid in assembling sediment tube and the volume of the solid of sedimentation are recorded.
By finding out in above-mentioned test card that one of the present invention can quickly disintegrated water dispersible granules, can fater disintegration in water, have good water dispersible, that stopped nozzles or premature settlement in spraying can be avoided to cause uses inhomogeneities.
Embodiment 11 efficacy testing experiment-powdery mildew of cucumber preventive effect is tested
To the prolection of powdery mildew of cucumber
By the aqueous suspension spraying with following activity compound concentration of specifying of the leaf of potted plant cucumber seedling.Second day by the spore suspension of the plant inoculating powdery mildew of cucumber of process.Then basin is placed on to have in the room of high atmospheric humidity (90-95%) 24 hours under 20-22oC.During this period, spore-germination and germ tube infiltrate in leaf texture.Second day, test plants to be back in greenhouse and at 20-22
0other 7 days are cultivated under C and 65-70% relative atmospheric humidity.Then the degree of powdery mildew development on leaf is estimated.
One of the present invention can quickly disintegrated water dispersible granules compared with prior art advantageously in performance bactericidal effect.
Claims (12)
1. can quickly disintegrated containing active component hundred can with a water dispersible granules for mancozeb, it is characterized in that, contain:
10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb by weight ratio;
At least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
One or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent;
In composition, the summation of all the components is 100%.
2. water dispersible granules according to claim 1, it is characterized in that, described wetting agent is selected from condensation product, the fatty alcohol-polyoxyethylene ether of alkyl sulfo succinate, laruate, alkyl sulfate and phosphate, alkyl phenol ethoxylates, benzene sulfonate, alkyl substituted benzene sulfonate, naphthalene sulfonate, alkyl-substituted naphthaline sulfonate, naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde.
3. water dispersible granules according to claim 1, is characterized in that, described dispersant is selected from the sodium of lignin sulfonic acid, calcium and ammonium salt; The sodium salt of copolymer-maleic anhydride and ammonium salt, the sodium salt of condensation phenolsulfonic acid, naphthalene sulfonate-formaldehyde condensation product.
4. water dispersible granules according to claim 1, is characterized in that, described chemical stabilizer is selected from lithium phosphate, sodium phosphate, potassium phosphate, magnesium sulfate, zinc sulphate, aluminum sulfate, iron sulfate, calcium chloride and calcium oxide, boric anhydride.
5. water dispersible granules according to claim 1, is characterized in that, described anticaking agent is selected from sodium phosphate, ammonium phosphate, sodium acetate, anhydrous calcium chloride, molecular sieve, sodium alkylsulfosuccinates, calcium oxide and barium monoxide.
6. the application of water dispersible granules according to claim 1 in all kinds of diseases of control fruit, vegetables, cereal.
7. water dispersible granules according to claim 1 is for preventing and treating fruit, vegetables, the gray mold of cereal, powdery mildew, anthracnose, leaf spot, scab, shot hole, canker, downy mildew, epidemic disease, stalk break, the application in rust, rotted rate.
8. can quickly disintegrated containing active component hundred can with a preparation method for the water dispersible granules of mancozeb, comprise the following steps:
A () prepares mixture, comprising:
10%-45% weight hundred can and mancozeb, described hundred can be 10:1-1:10 with mancozeb components by weight percentage;
At least one water soluble filler of 55%-90%, described water soluble filler is selected from lactose, sucrose or glucose;
One or more additives of 0-35%, this additive is selected from wetting agent, dispersant, anticaking agent, chemical stabilizer, foaming agent;
In composition, the summation of all the components is 100%;
B () adds the enough water can extruding thickener in said mixture;
C paste-extruded formation extrudate that () will be obtained by mould or sieve in (b);
(d) this extrudate dry.
9. method according to claim 8, it is characterized in that, wetting agent is selected from condensation product, the fatty alcohol-polyoxyethylene ether of alkyl sulfo succinate, laruate, alkyl sulfate and phosphate, alkyl phenol ethoxylates, benzene sulfonate, alkyl substituted benzene sulfonate, naphthalene sulfonate, alkyl-substituted naphthaline sulfonate, naphthalene sulfonate and alkyl-substituted naphthaline sulfonate and formaldehyde.
10. method according to claim 8, is characterized in that, described dispersant is selected from the sodium of lignin sulfonic acid, calcium and ammonium salt; The sodium salt of copolymer-maleic anhydride and ammonium salt, the sodium salt of condensation phenolsulfonic acid, naphthalene sulfonate-formaldehyde condensation product.
11. methods according to claim 8, is characterized in that, described chemical stabilizer is selected from lithium phosphate, sodium phosphate, potassium phosphate, magnesium sulfate, zinc sulphate, aluminum sulfate, iron sulfate, calcium chloride and calcium oxide, boric anhydride.
12. methods according to claim 8, is characterized in that, described anticaking agent is selected from sodium phosphate, ammonium phosphate, sodium acetate, anhydrous calcium chloride, molecular sieve, sodium alkylsulfosuccinates, calcium oxide and barium monoxide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312428.XA CN105309462B (en) | 2014-07-02 | 2014-07-02 | One kind can quickly disintegrated water dispersible granules |
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|---|---|---|---|
| CN201410312428.XA CN105309462B (en) | 2014-07-02 | 2014-07-02 | One kind can quickly disintegrated water dispersible granules |
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| CN105309462A true CN105309462A (en) | 2016-02-10 |
| CN105309462B CN105309462B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410312428.XA Active CN105309462B (en) | 2014-07-02 | 2014-07-02 | One kind can quickly disintegrated water dispersible granules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023222723A1 (en) * | 2022-05-20 | 2023-11-23 | Syngenta Crop Protection Ag | Pesticidal compositions |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08113505A (en) * | 1994-10-14 | 1996-05-07 | Dainippon Ink & Chem Inc | Antimicrobial agent composition for agriculture and horticulture |
| CN102919258A (en) * | 2012-10-11 | 2013-02-13 | 成都科利隆生化有限公司 | Pesticide composition containing iminoctadine tris and mancozeb |
| CN102960355A (en) * | 2012-12-11 | 2013-03-13 | 江苏龙灯化学有限公司 | Improved water dispersive granule |
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2014
- 2014-07-02 CN CN201410312428.XA patent/CN105309462B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08113505A (en) * | 1994-10-14 | 1996-05-07 | Dainippon Ink & Chem Inc | Antimicrobial agent composition for agriculture and horticulture |
| CN102919258A (en) * | 2012-10-11 | 2013-02-13 | 成都科利隆生化有限公司 | Pesticide composition containing iminoctadine tris and mancozeb |
| CN102960355A (en) * | 2012-12-11 | 2013-03-13 | 江苏龙灯化学有限公司 | Improved water dispersive granule |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023222723A1 (en) * | 2022-05-20 | 2023-11-23 | Syngenta Crop Protection Ag | Pesticidal compositions |
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| CN105309462B (en) | 2018-03-02 |
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