CN114031448A - Captan water suspension for promoting rooting and germination and preparation process thereof - Google Patents

Captan water suspension for promoting rooting and germination and preparation process thereof Download PDF

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CN114031448A
CN114031448A CN202111430035.5A CN202111430035A CN114031448A CN 114031448 A CN114031448 A CN 114031448A CN 202111430035 A CN202111430035 A CN 202111430035A CN 114031448 A CN114031448 A CN 114031448A
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captan
seaweed
solution
chloride
germination
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冯惠
孙倩
马涛
郑志明
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TIANJIN HIGHPOINT PLANT PROTECTION CO Ltd
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TIANJIN HIGHPOINT PLANT PROTECTION CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00—Other organic fertilisers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
    • A01N47/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
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    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/50—Surfactants; Emulsifiers
    • C—CHEMISTRY; METALLURGY
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    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/27—Dispersions, e.g. suspensions or emulsions

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Abstract

The invention relates to a captan water suspension agent for promoting rooting and germination, which comprises the following components in percentage by mass: 30-50% of captan; 4% of chloride; 5-10% of wetting dispersant; 1-5% of an antifreezing agent; 0.1 to 2 percent of suspending agent; 0.1 to 0.3 percent of defoaming agent; 0.1 to 2 percent of tackifier; 4-10% of seaweed raw material; the purified water is complemented to 100 percent. The invention has scientific and reasonable design, effectively solves the problems of acidification, flatulence and the like of captan by adding non-traditional additives, provides nutrient components for crops while solving the problem of single function of captan by adding the seaweed fertilizer, and has the advantages that the types of the selected additives are different from the types of conventional additives, chloride is added on the basis of various conventional additives, and the chloride plays an important role in regulating moisture, osmotic pressure, acid-base balance and the like, so that the root germination is promoted while the physical stability of the preparation is ensured, nutrients required by plant growth are provided, and the invention has good prevention, control and growth promotion effects on wheat, corn, rice and the like.

Description

Captan water suspension for promoting rooting and germination and preparation process thereof
Technical Field
The invention belongs to the field of agricultural chemical industry, relates to a pesticide preparation technology, and particularly relates to a captan water suspension for promoting rooting and germination and a preparation process thereof.
Background
The captan is called kempton, belongs to a traditional multi-site organic sulfur bactericide, has a main protection effect and a certain treatment effect, has a broad bactericidal spectrum, and has good control effects on a plurality of diseases of crops such as barley, wheat, oat, rice, corn, cotton, vegetables, fruit trees, melons, tobacco and the like, such as rice sheath blight, rice blast, wheat stalk rust, tobacco leaf brown spot, cotton seedling stage diseases, apple rot and the like. Meanwhile, the application modes of the pesticide composition are various, and the pesticide composition can be used for preventing and treating various high and low fungal diseases by foliar spraying, dressing seeds of potatoes and peanuts, and treating soil (flushing application, root irrigation, soil mixing and broadcasting application and the like) and preventing and treating various crop root diseases. Is safe to crops, has no phytotoxicity, and also has the function of stimulating the growth of plants. The traditional preparation process of captan has the quality problems of acidification, flatulence and the like, and the functional effect is relatively single.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the captan water suspending agent which effectively solves the technical problems existing in the traditional preparation process, ensures the physical stability of the preparation, promotes the growth of roots and sprouts, provides nutrients required by plant growth and promotes the rooting and sprouting, and the preparation process thereof.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the captan water suspending agent for promoting rooting and germination comprises the following components in percentage by mass:
Figure BDA0003379926230000011
the chloride is one of magnesium chloride, calcium chloride and sodium chloride, the wetting dispersant is one or a combination of two or more of nonionic comb copolymer, EO-PO block copolymer, nonylphenol polyoxyethylene ether, alkylaryl polyoxyethylene ether phosphate, sodium dodecylbenzene sulfonate, sodium methylene dinaphthalene sulfonate, calcium lignosulfonate, alkylaryl polyoxypropylene polyoxyethylene ether, polycarboxylate and styrene phenol formaldehyde resin polyoxyethylene ether phosphate, the antifreeze is one of urea, ethylene glycol, propylene glycol and glycerol, the suspending agent is white carbon black, organic bentonite or magnesium aluminum silicate, the defoamer is an organic silicon defoamer AF-9903, a modified silane AF-1501 defoamer or fatty acids, the tackifier is xanthan gum, polyvinyl alcohol or sodium alginate, the seaweed raw material is seaweed fine powder, One or more of refined seaweed sheet, seaweed polysaccharide, chitosan oligosaccharide and seaweed stock solution.
Moreover, the components are preferably as follows by mass percent:
Figure BDA0003379926230000021
a process for preparing captan water suspending agent for promoting rooting and germination comprises the following steps:
(1) putting the wetting dispersant, chloride, antifreeze, tackifier and suspending agent into a shearing tank to be sheared uniformly to prepare mixed liquid;
(2) pouring the captan raw medicine into the mixed solution according to the percentage content, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) adding the seaweed stock solution or the seaweed stock powder into purified water, and uniformly stirring to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the defoaming agent, uniformly shearing and sanding, controlling the particle size to be 1-5 mu m, sampling, detecting, and obtaining a qualified finished product.
The invention has the advantages and positive effects that:
1. the auxiliary agent is selected from conventional auxiliary agents, and is added with unconventional auxiliary agents, so that the auxiliary agent plays an important role in adjusting moisture, osmotic pressure, acid-base balance and the like, and the problems of flatulence, acidification and the like caused by the temperature rise of a finished captan water suspension agent are effectively avoided.
2. The seaweed fertilizer is added into the water suspending agent, so that the water suspending agent can promote the rooting and the sprouting of crops and provide certain nutrition for the growth of the crops while preventing, controlling and sterilizing, and is more beneficial to the growth of the crops.
3. The invention has scientific and reasonable design, effectively solves the problems of acidification, flatulence and the like of captan by adding non-traditional additives, provides nutrient components for crops while solving the problem of single function of captan by adding the seaweed fertilizer, and has the advantages that the types of the selected additives are different from the types of conventional additives, chloride is added on the basis of various conventional additives, and the chloride plays an important role in regulating moisture, osmotic pressure, acid-base balance and the like, so that the root germination is promoted while the physical stability of the preparation is ensured, nutrients required by plant growth are provided, and the invention has good prevention, control and growth promotion effects on wheat, corn, rice and the like.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The amount of chloride added to the captan aqueous suspension was tested as follows:
Figure BDA0003379926230000031
after preliminary screening of indoor tests, the addition amount of chloride in the captan aqueous suspension is optimally 4-8%. When the addition amount of the chloride is 1-3%, the preparation has an flatulence phenomenon in hot storage, the pH value of the preparation at normal temperature and hot storage is greatly different, the pH value of the hot storage is continuously reduced, and the preparation is seriously acidified; when the addition amount of the chloride is 4-8%, the preparation state is qualified, the pH value of the hot storage is stable, and the difference with the normal temperature is not large; when the addition amount of chloride is 9% -10%, the preparation is pasty. The addition of chloride was determined to be 4% for comprehensive cost considerations.
Finished product example 1
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
component name Mass occupied
Captan TC 30g
Magnesium chloride 4g
EO-PO block copolymer 7g
Urea 4g
Magnesium aluminum silicate 1g
Xanthan gum powder 0.2g
AF-9903 0.2g
Refined seaweed powder 10g
Purified water 43.6g
Total up to 100g
The operation steps are as follows:
(1) weighing magnesium chloride, EO-PO block copolymer, urea, magnesium aluminum silicate and xanthan gum powder according to the mass percentage, and putting the mixture into a shearing tank to be sheared uniformly to prepare mixed liquid;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the seaweed fine powder according to the mass percentage, adding the seaweed fine powder into purified water, and uniformly stirring to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding AF-9903, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
Finished product example 2
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
Figure BDA0003379926230000041
Figure BDA0003379926230000051
the operation steps are as follows:
(1) weighing sodium chloride, nonylphenol polyoxyethylene ether, sodium dodecyl benzene sulfonate, ethylene glycol, white carbon black and polyvinyl alcohol, and putting into a shearing tank to be sheared uniformly to prepare a mixed solution;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the seaweed fine powder and the seaweed polysaccharide according to the mass percentage, and adding the seaweed fine powder and the seaweed polysaccharide into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the AF-1501 by mass percent, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
End product example 3
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
Figure BDA0003379926230000052
Figure BDA0003379926230000061
the operation steps are as follows:
(1) weighing calcium chloride, polycarboxylate, nonionic comb copolymer, sodium methylene dinaphthalene sulfonate, propylene glycol, organic bentonite and sodium alginate according to mass percentage, and putting the mixture into a shearing tank to be sheared uniformly to prepare mixed liquid;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing algal polysaccharide and an algal stock solution according to the mass percentage, and adding the weighed algal polysaccharide and the algal stock solution into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding fatty acid according to the mass percentage, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
End product example 4
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
component name Mass occupied
Captan TC 40g
Sodium chloride 4g
Lignosulfonic acid calcium salt 5g
Glycerol 5g
Magnesium aluminum silicate 0.5g
Xanthan gum powder 0.3g
AF-9903 0.1g
Algal polysaccharides 4g
Seaweed stock solution 3g
Seaweed extract tablet 1g
Purified water 37.1g
Total up to 100g
The operation steps are as follows:
(1) weighing sodium chloride, calcium lignosulphonate, glycerol, magnesium aluminum silicate and xanthan gum powder according to mass percentage, and putting the weighed materials into a shearing tank for shearing uniformly to prepare a mixed solution;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing algal polysaccharide, an algal stock solution and an algal essence tablet according to the mass percentage, and adding the weighed materials into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the AF-9903 according to the mass percent, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
End product example 5
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
component name Mass occupied
Captan TC 50g
Magnesium chloride 4g
Alkylaryl poly (oxypropylene) polyoxyethylene ether 5g
Glycerol 6g
White carbon black 1g
Polyvinyl alcohol 0.2g
Fatty acids 0.2g
Seaweed stock solution 4g
Purified water 29.6g
Total up to 100g
The operation steps are as follows:
(1) weighing magnesium chloride, alkylaryl polrvinyl chloride polyoxyethylene ether, glycerol, white carbon black and polyvinyl alcohol according to mass percent, and putting the materials into a shearing tank to be sheared uniformly to prepare mixed liquid;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the seaweed stock solution according to the mass percentage, and adding the seaweed stock solution into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding fatty acid according to the mass percentage, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
Finished product example 6
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
component name Mass occupied
Captan TC 50g
Calcium chloride 4g
Polyoxyethylene ether phosphate of styrene phenol formaldehyde resin 4g
Alkylaryl poly (oxypropylene) polyoxyethylene ether 4g
Ethylene glycol 4g
White carbon black 0.8g
Xanthan gum powder 0.15g
AF-1501 0.3g
Seaweed stock solution 2g
Refined seaweed powder 1g
Chitosan oligosaccharide 1g
Purified water 28.75g
Total up to 100g
The operation steps are as follows:
(1) weighing calcium chloride, styrene phenol formaldehyde resin polyoxyethylene ether phosphate, alkylaryl polychloropropene polyoxyethylene ether, ethylene glycol, white carbon black and xanthan gum powder according to mass percentage, putting into a shearing tank, and shearing uniformly to prepare a mixed solution;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the seaweed fine powder, the seaweed stock solution and the chitosan oligosaccharide according to the mass percentage, and adding the weighed seaweed fine powder, the seaweed stock solution and the chitosan oligosaccharide into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the AF-1501 by mass percent, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
Finished product example 7
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
component name Mass occupied
Captan TC 10g
Magnesium chloride 4g
Lignosulfonic acid calcium salt 4g
Alkylaryl poly (oxypropylene) polyoxyethylene ether 4g
Ethylene glycol 4g
White carbon black 0.8g
Xanthan gum powder 0.15g
AF-9903 0.3g
Seaweed stock solution 2g
Seaweed extract tablet 1g
Chitosan oligosaccharide 1g
Purified water 68.75g
Total up to 100g
The operation steps are as follows:
(1) weighing magnesium chloride, calcium lignosulfonate, alkylaryl polrvinyl chloride polyoxyethylene ether, ethylene glycol, white carbon black and xanthan gum powder according to mass percentage, and putting the materials into a shearing tank to be sheared uniformly to prepare a mixed solution;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the refined seaweed slices, the seaweed stock solution and the chitosan oligosaccharide according to the mass percentage, and adding the weighed materials into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the AF-9903 according to the mass percent, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
Finished product example 8
The captan water suspending agent for promoting rooting and germination comprises the following components in parts by mass:
Figure BDA0003379926230000091
Figure BDA0003379926230000101
the operation steps are as follows:
(1) weighing calcium chloride, nonionic comb-shaped copolymer, ethylene glycol, white carbon black and polyvinyl alcohol according to mass percentage, and putting into a shearing tank for shearing uniformly to prepare mixed liquid;
(2) weighing the captan raw medicine according to the mass percentage, pouring the captan raw medicine into the mixed solution, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) weighing the seaweed stock solution according to the mass percentage, and adding the seaweed stock solution into purified water to be uniformly stirred to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding fatty acid according to the mass percentage, and uniformly shearing and sanding, wherein the particle size is controlled to be 1-5 mu m. Sampling and detecting to obtain a qualified finished product.
Product performance detection
Drug treatment Whether or not the heat storage is flatulence pH at ambient temperature pH on Heat storage Presence or absence of acidification Physical state
Example 1 Whether or not 6.39 6.02 Whether or not Qualified
Example 2 Whether or not 6.34 6.32 Whether or not Qualified
Example 3 Whether or not 6.05 6.01 Whether or not Qualified
Example 4 Whether or not 6.98 6.98 Whether or not Qualified
Example 5 Whether or not 6.47 6.39 Whether or not Qualified
Example 6 Whether or not 6.79 6.77 Whether or not Qualified
Example 7 Whether or not 6.35 6.31 Whether or not Poor state
Example 8 Whether or not 6.53 6.51 Whether or not Poor state
As can be seen from the above table, the example agents well solve the problems of flatulence and acidification of the formulations with increasing temperature. The preparation added with chloride has no flatulence during hot storage, but the conventional preparation generally has the problem of flatulence; the pH value of the preparation added with chloride after heat storage is not greatly different from the normal temperature, while the pH value of the preparation added with chloride after heat storage is generally greatly reduced and acidification is serious. And selecting the embodiment with qualified state for later test.
Indoor germination percentage comparison test
The invention sets 9 treatments in total, repeats for 3 times, comprises 6 examples 1, 2, 3, 4, 5 and 6, and the preparation types of the seaweed stock solution in each example are various, and the contrast medicament is 40 percent captan suspending agent (Hebei Guanlong agriculture Co., Ltd.); a control medicament of 40 percent captan suspending agent (Guangdong Guangkang Biochemical technology Co., Ltd.); and clear water as a control.
And selecting 30 seeds to be tested to perform seed soaking experiments for 3 times, wherein each group comprises 10 seeds, repeating the steps for 3 times, and observing the germination conditions of the seeds 1d, 2d and 3d after seed soaking.
Influence of different medicament treatments on rice seed germination rate
Germination rate (%) - (number of germinated seeds/30) × 100%
Figure BDA0003379926230000111
Influence of different medicament treatments on cotton seed germination rate
Figure BDA0003379926230000112
Figure BDA0003379926230000121
Influence of different medicament treatments on germination rate of wheat seeds
Figure BDA0003379926230000122
As can be seen from the above tables, the rooting and germination effects of the example agents are obviously higher than those of the control agents; when the contents of captan are the same, the rooting and sprouting effects of the multi-component seaweed fertilizer in the medicament of the embodiment are all higher than those of a single component; when the content of captan is low, the effect of promoting the growth of roots and sprouting is more obvious when the addition amount of the seaweed fertilizer is more than that of the captan; example 4 (40% of captan and 8% of seaweed fertilizer) the root-promoting germination effect is optimal.
And (3) outdoor drug effect comparison:
the field pesticide effect results and yield increase tests of different medicament treatments on rice sheath blight disease are as follows:
the test site is Tangshan city and Tanghai county in Hebei province, and the test site is rich in rice, but rice sheath blight is frequent. Selecting paddy fields with consistent growth vigor and infected with rice sheath blight diseases, dividing different areas with the same size for testing, and dividing the areas by adopting a random arrangement mode. In the rice seedling stage, the pesticide is applied for 1 time, and the pesticide is uniformly sprayed by manpower, so that the pesticide is required to be uniformly and carefully applied; in the rice seedling stage, the pesticide is applied for the second time, and the pesticide is uniformly sprayed by manpower, so that the pesticide is required to be uniformly and carefully applied. No fungicide, insecticide was applied before and during the test, and each treatment was repeated 3 times.
The investigation method comprises the following steps: the investigation was conducted 3d, 7d, 10d after the 2 nd application. A diagonal 5-point sampling method is adopted in each treatment, 5 adjacent plants are investigated in each point, the number of plants and the disease grade of each point are recorded, and the disease index and the prevention effect are calculated.
Grading standard of rice sheath blight disease: level 0: the whole plant has no infection; level 1: the 4 th leaf and the sheath and leaf below (arrow leaf is 1 st) are infected with disease, and the whole leaf is investigated; and 3, level: the infection of the 3 rd leaf and the leaf sheaths and leaves below the leaf; and 5, stage: the infection of the No. 2 leaf and the leaf sheaths and leaves below the No. 2 leaf; and 7, stage: the 1 st leaf and the sheath and leaf of each leaf below the 1 st leaf are infected with diseases; and 9, stage: the whole plant is infected with diseases, and the leaves die.
The disease index calculation formula is as follows:
Figure BDA0003379926230000131
Figure BDA0003379926230000132
results of field pesticide effect of different medicament treatments on rice sheath blight disease
Figure BDA0003379926230000133
Figure BDA0003379926230000141
Yield measurement
Sampling in the harvest period, wherein the sampling area is 50cm multiplied by 50cm, measuring the weight, impurity rate, empty rate and water content of the fresh rice, and calculating the actual harvest yield.
Influence of different chemical treatments on rice yield (kg) per mu of fresh rice weight (kg) (1-impurity rate) x (1-empty rate) x (1-water content)/(1-14.5%) on rice yield
Figure BDA0003379926230000142
As can be seen from the above table, the physical state stability, rooting and sprouting effects, control effects and growth promoting and yield increasing effects of the medicaments in the examples are obviously higher than those of the control medicaments; when the contents of captan are the same, the rooting and germination effects, the prevention and control effects and the growth and yield increasing effects of the multi-component seaweed fertilizer in the medicament of the embodiment are higher than those of a single component; when the addition amount of captan is low, the effect of preventing, controlling and increasing yield is more obvious when the addition amount of seaweed fertilizer is more increased to promote rooting and sprouting; example 4 (the content of captan is 40%, and the content of seaweed fertilizer is 8%) the effects of promoting the germination of the growth-promoting roots, preventing and increasing the yield are optimal.
Field efficacy results and yield increase tests on cotton anthracnose by treatment with different agents:
the test site is Xinjiang Shaya county, and the test site is used for producing cotton, but cotton anthracnose is frequent. Selecting cotton fields with consistent growth vigor and infected cotton anthracnose diseases, dividing different areas with the same size for testing, and dividing the areas by adopting a random arrangement mode. In the seedling stage of cotton, the pesticide is applied for 1 time, and the pesticide is applied in a root irrigation mode, so that the pesticide is required to be uniformly and carefully applied. No fungicide, insecticide was applied before and during the test, and each treatment was repeated 3 times.
The investigation method comprises the following steps: investigation was conducted 3d, 7d, and 10d after the application of the drug at the seedling stage. A diagonal 5-point sampling method is adopted in each treatment, 5 adjacent plants are investigated in each point, the number of plants and the disease grade of each point are recorded, and the disease index and the prevention effect are calculated.
Grading standard of cotton anthracnose: level 0: the whole plant has no infection; level 1: the 4 th leaf and the sheath and leaf below (arrow leaf is 1 st) are infected with disease, and the whole leaf is investigated; and 3, level: the infection of the 3 rd leaf and the leaf sheaths and leaves below the leaf; and 5, stage: the infection of the No. 2 leaf and the leaf sheaths and leaves below the No. 2 leaf; and 7, stage: the 1 st leaf and the sheath and leaf of each leaf below the 1 st leaf are infected with diseases; and 9, stage: the whole plant is infected with diseases, and the leaves die.
The disease index calculation formula is as follows:
Figure BDA0003379926230000151
Figure BDA0003379926230000152
field efficacy results of different agent treatments on cotton anthracnose
Figure BDA0003379926230000153
Figure BDA0003379926230000161
Yield measurement
Sampling in the harvest period, wherein the sampling area is 50cm multiplied by 50cm, measuring the weight, impurity rate, empty rate and water content of the fresh rice, and calculating the actual harvest yield.
The influence of different chemical treatments on the cotton yield (kg) per mu of fresh rice weight (kg) (1-impurity rate) x (1-empty rate) x (1-water content)/(1-14.5%) is avoided
Figure BDA0003379926230000162
As can be seen from the above table, the physical state stability, rooting and sprouting effects, control effects and growth promoting and yield increasing effects of the medicaments in the examples are obviously higher than those of the control medicaments; when the contents of captan are the same, the rooting and germination effects, the prevention and control effects and the growth and yield increasing effects of the multi-component seaweed fertilizer in the medicament of the embodiment are higher than those of a single component; when the addition amount of captan is low, the effect of preventing, controlling and increasing yield is more obvious when the addition amount of seaweed fertilizer is more increased to promote rooting and sprouting; example 4 (the content of captan is 40%, and the content of seaweed fertilizer is 8%) the effects of promoting the germination of the growth-promoting roots, preventing and increasing the yield are optimal.
The field efficacy results and yield increase tests of different medicament treatments on wheat leaf rust disease:
the test site is Tianjin, Jinghai county, and the test site produces more wheat but has more wheat leaf rust. Selecting wheat fields with consistent growth vigor and infected with wheat leaf rust diseases, dividing different areas with the same size for testing, and dividing the areas by adopting a random arrangement mode. Before wheat blossoms, the wheat is applied for 1 time, and the agent is uniformly sprayed by manpower, so that the application is uniform and delicate; before the wheat is mature, the pesticide is applied for the second time, the pesticide is uniformly sprayed manually, and the pesticide is required to be uniformly and meticulously applied. No fungicide, insecticide was applied before and during the test, and each treatment was repeated 3 times.
The investigation method comprises the following steps: the investigation was conducted 3d, 7d, 10d after the 2 nd application. A diagonal 5-point sampling method is adopted in each treatment, 5 adjacent plants are investigated in each point, the number of plants and the disease grade of each point are recorded, and the disease index and the prevention effect are calculated.
Grading standard of wheat leaf rust: level 0: the whole plant has no infection; level 1: the 4 th leaf and the sheath and leaf below (arrow leaf is 1 st) are infected with disease, and the whole leaf is investigated; and 3, level: the infection of the 3 rd leaf and the leaf sheaths and leaves below the leaf; and 5, stage: the infection of the No. 2 leaf and the leaf sheaths and leaves below the No. 2 leaf; and 7, stage: the 1 st leaf and the sheath and leaf of each leaf below the 1 st leaf are infected with diseases; and 9, stage: the whole plant is infected with diseases, and the leaves die.
The disease index calculation formula is as follows:
Figure BDA0003379926230000171
Figure BDA0003379926230000172
field efficacy results of different medicament treatments on wheat leaf rust
Figure BDA0003379926230000173
Yield measurement
Sampling in the harvest period, wherein the sampling area is 50cm multiplied by 50cm, measuring the weight, impurity rate, empty rate and water content of the fresh rice, and calculating the actual harvest yield.
Influence of different chemical treatments on wheat yield (kg) per mu of fresh rice weight (kg) (1-impurity rate) x (1-empty rate) x (1-water content)/(1-14.5%)
Figure BDA0003379926230000181
As can be seen from the above table, the physical state stability, rooting and sprouting effects, control effects and growth promoting and yield increasing effects of the medicaments in the examples are obviously higher than those of the control medicaments; when the contents of captan are the same, the rooting and germination effects, the prevention and control effects and the growth and yield increasing effects of the multi-component seaweed fertilizer in the medicament of the embodiment are higher than those of a single component; when the addition amount of captan is low, the effect of preventing, controlling and increasing yield is more obvious when the addition amount of seaweed fertilizer is more increased to promote rooting and sprouting; example 4 (the content of captan is 40%, and the content of seaweed fertilizer is 8%) the effects of promoting the germination of the growth-promoting roots, preventing and increasing the yield are optimal.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments disclosed.

Claims (3)

1. The captan water suspending agent for promoting rooting and germination is characterized in that: the paint comprises the following components in percentage by mass:
Figure FDA0003379926220000011
the chloride is one of magnesium chloride, calcium chloride and sodium chloride, the wetting dispersant is one or a combination of two or more of nonionic comb copolymer, EO-PO block copolymer, nonylphenol polyoxyethylene ether, alkylaryl polyoxyethylene ether phosphate, sodium dodecylbenzene sulfonate, sodium methylene dinaphthalene sulfonate, calcium lignosulfonate, alkylaryl polyoxypropylene polyoxyethylene ether, polycarboxylate and styrene phenol formaldehyde resin polyoxyethylene ether phosphate, the antifreeze is one of urea, ethylene glycol, propylene glycol and glycerol, the suspending agent is white carbon black, organic bentonite or magnesium aluminum silicate, the defoamer is an organic silicon defoamer AF-9903, a modified silane AF-1501 defoamer or fatty acids, the tackifier is xanthan gum, polyvinyl alcohol or sodium alginate, the seaweed raw material is seaweed fine powder, One or more of refined seaweed sheet, seaweed polysaccharide, chitosan oligosaccharide and seaweed stock solution.
2. The captan aqueous suspension for promoting rooting and germination of claim 1, wherein the mass ratio of the captan aqueous suspension to the mass ratio of (A to the mass ratio of (A) to the mass ratio of (A to the mass ratio of (A) to the mass ratio of (A) of (A to the mass ratio of (A) to the mass ratio of (A) of (A to (A) of (B) to (B) of (B) to (B) to (B) of (B): the preferable mass percentage of each component is as follows:
Figure FDA0003379926220000012
Figure FDA0003379926220000021
3. a process for preparing captan water suspending agent for promoting rooting and germination is characterized by comprising the following steps: the process method comprises the following steps:
(1) putting the wetting dispersant, chloride, antifreeze, tackifier and suspending agent into a shearing tank to be sheared uniformly to prepare mixed liquid;
(2) pouring the captan raw medicine into the mixed solution according to the percentage content, and continuously shearing the captan raw medicine uniformly to obtain a solution A;
(3) adding the seaweed stock solution or the seaweed stock powder into purified water, and uniformly stirring to obtain a solution B;
(4) adding the solution A and the solution B into a sanding tank, adding the defoaming agent, uniformly shearing and sanding, controlling the particle size to be 1-5 mu m, sampling, detecting, and obtaining a qualified finished product.
CN202111430035.5A 2021-11-29 2021-11-29 Captan water suspension for promoting rooting and germination and preparation process thereof Withdrawn CN114031448A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
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US20050002825A1 (en) * 2003-04-30 2005-01-06 Eni S.P.A. Method for inhibiting the biological acidification of water in contact with materials containing sulfur
CN102669131A (en) * 2012-05-24 2012-09-19 利民化工股份有限公司 Azoxystrobin-folpet compounded suspension agent and preparation method thereof
CN102696646A (en) * 2012-06-29 2012-10-03 陕西上格之路生物科学有限公司 Sterilizing composite containing captan
CN108477192A (en) * 2018-07-03 2018-09-04 广东广康生化科技股份有限公司 A kind of efficient bactericidal composite containing folpet and hexaconazole
CN109452298A (en) * 2018-12-25 2019-03-12 陕西上格之路生物科学有限公司 A kind of bactericidal composition containing isopropyl metsulfovax and captan
CN112851430A (en) * 2021-02-03 2021-05-28 天津市汉邦植物保护剂有限责任公司 Seaweed fertilizer and pesticide mixed composition and application thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050002825A1 (en) * 2003-04-30 2005-01-06 Eni S.P.A. Method for inhibiting the biological acidification of water in contact with materials containing sulfur
CN102669131A (en) * 2012-05-24 2012-09-19 利民化工股份有限公司 Azoxystrobin-folpet compounded suspension agent and preparation method thereof
CN102696646A (en) * 2012-06-29 2012-10-03 陕西上格之路生物科学有限公司 Sterilizing composite containing captan
CN108477192A (en) * 2018-07-03 2018-09-04 广东广康生化科技股份有限公司 A kind of efficient bactericidal composite containing folpet and hexaconazole
CN109452298A (en) * 2018-12-25 2019-03-12 陕西上格之路生物科学有限公司 A kind of bactericidal composition containing isopropyl metsulfovax and captan
CN112851430A (en) * 2021-02-03 2021-05-28 天津市汉邦植物保护剂有限责任公司 Seaweed fertilizer and pesticide mixed composition and application thereof

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