CN114230395B - Slow-release pesticide-fertilizer composition and application thereof - Google Patents
Slow-release pesticide-fertilizer composition and application thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- 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
- A01N25/08—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 solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
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- 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
- A01N47/08—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 one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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- 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
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- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- 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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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Abstract
The application relates to a slow-release pesticide-fertilizer composition and application thereof, wherein the slow-release pesticide-fertilizer composition comprises, by weight, 0.1-20% of pyraclostrobin, 0.1-20% of metalaxyl-M, 0.5-1% of polyglutamic acid, 10-20% of a pesticide adjuvant and 39-89.3% of a fertilizer. The slow-release pesticide-fertilizer composition can slowly release the pesticide and the fertilizer in soil, simultaneously, the effective components and the fertilizer mutually promote absorption, the systemic effect is improved, the fertilizer effect is very good, and meanwhile, the slow-release pesticide-fertilizer composition has a lasting control effect on downy mildew, powdery mildew, phytophthora root rot, saprolegniasis, fusarium wilt, gray mold and root rot. The slow-release pesticide-fertilizer composition can reduce the application amount of pesticides and fertilizers so as to achieve the effects of reducing environmental pollution and slowing down land salinization.
Description
Technical Field
The invention mainly relates to the field of agriculture, and particularly relates to a slow-release pesticide-fertilizer composition and application thereof.
Background art:
fungal diseases are diseases which often occur on crops, often cause symptoms such as necrosis, decay, wilting and the like, have great hidden danger on the yield of the crops, and are mainly controlled by using pesticide bactericides in agricultural production at present. Because the application amount of farmers is large, crops are difficult to absorb in a short time, a large amount of medicine is wasted, and in order to prevent and treat diseases, the sustained-release medicine is needed to be applied for many times, so that the repeated application has great harm to the environment and underground water, and a sustained-release medicine is needed to achieve better medicine effect and reduce the application times.
The pyraclostrobin belongs to a strobilurin fungicide mitochondrial respiration inhibitor, is a novel broad-spectrum fungicide, has the functions of protection, treatment and leaf permeation and conduction, and can promote crops to absorb fertilizers so as to promote the rapid growth of the crops.
The metalaxyl-M amide bactericide ribosome RNAI synthesis inhibitor and systemic specific bactericide. Has high efficiency on the diseases of vegetables, fruit trees, tobacco, oil plants, cotton, grains and other crops caused by downy mildew, phytophthora and pythium.
However, the effect cannot be maintained for a long time by simply compounding the pyraclostrobin and the metalaxyl-M, and a large amount of application is needed for many times.
Therefore, the invention is especially provided.
Disclosure of Invention
The invention aims to provide a slow-release pesticide-fertilizer composition which solves the problems of large dosage and more pesticide application times in the prevention and treatment of fungal diseases on the premise of ensuring the effect.
The invention provides a slow-release pesticide-fertilizer composition which comprises, by weight, 0.1-20% of pyraclostrobin, 0.1-20% of metalaxyl-M, 0.5-1% of polyglutamic acid, 10-20% of a pesticide adjuvant and 39-89.3% of a fertilizer.
Pyraclostrobin has an English name of pyraclostatin and a chemical name of N- [2- [ [1- (4-chlorophenyl) pyrazol-3-yl]Oxymethyl radical]Phenyl radical]-N-methoxy-carbamic acid methyl ester of formula C 19 H 18 ClN 3 O 4 Relative molecular weight 387.8169, cas number: 175013-18-0, the structural formula is shown in figure 1.
Preferably or optionally, the slow release pesticide-fertilizer composition comprises 0.2-10% of pyraclostrobin by weight percent, and the more preferable condition is 0.5-1%.
metalaxyl-M, N- (2-methoxyacetyl) -N- (2,6-xylyl) -D-alanine methyl ester, molecular formula C 15 H 21 NO 4 Relative molecular weight 279.33200, cas No.: 70630-17-0, the structural formula is shown in fig. 2.
Preferably or alternatively, the slow-release pesticide-fertilizer composition comprises 0.2-10% of metalaxyl-M by weight percentage, and more preferably, the condition is 0.5-1%.
Preferably or alternatively, the slow-release pesticide-fertilizer composition comprises 0.2-10% of metalaxyl-M by weight percentage, and more preferably, the condition is 0.5-1%.
Preferably or optionally, the pesticide adjuvant is one or more of a dispersant, a wetting agent, a binder, a disintegration aid, a preservative, a defoamer, a film former and a solvent. The pesticide auxiliary agents are all the pesticide auxiliary agents which are conventionally used in the industry.
Preferably or optionally, the fertilizer is one or more of monopotassium phosphate, urea, ammonium sulfate, potassium chloride and liquid urea.
Preferably or optionally, the sustained-release pesticide-fertilizer composition is in a dosage form of at least one of emulsifiable solution, microemulsion, suspending agent, microcapsule suspending agent, suspoemulsion, water dispersible granule, wettable powder, granule and ultra-low volume spray.
Most preferably, the sustained-release pesticide-fertilizer composition is in the form of granules. For the slow-release pesticide-fertilizer composition in the form of granules, the components can be uniformly granulated after being crushed and mixed, or can be separately granulated and independently stored and uniformly mixed before use.
An application of the slow-release pesticide-fertilizer composition in plant disease control.
Preferably or optionally, the plant disease is at least one of downy mildew, powdery mildew, phytophthora root rot, saprolegniasis, gibberellic disease, fusarium wilt, gray mold and root rot.
The slow-release pesticide-fertilizer composition provided by the invention realizes lasting fertilizer effect and pesticide effect by adding polyglutamic acid as an auxiliary agent and combining pyraclostrobin, metalaxyl-M and the fertilizer which are used in a compounding manner, has lasting prevention and treatment effects on downy mildew, powdery mildew, phytophthora root rot, saprolegniasis, gibberellic disease, fusarium wilt, gray mold and root rot of crops, and avoids a large number of applications.
Description of the drawings:
FIG. 1 is the structural formula of pyraclostrobin;
FIG. 2 is the structural formula of metalaxyl-M.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow-release pesticide-fertilizer composition comprises 0.1% of pyraclostrobin, 0.1% of metalaxyl-M, 0.5% of polyglutamic acid, 5% of sodium lignosulphonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is used for supplementing the components to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Example 2
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow-release pesticide-fertilizer composition comprises 20% of pyraclostrobin, 20% of metalaxyl-M, 0.5% of polyglutamic acid, 5% of sodium lignosulphonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is added to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Example 3
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow-release pesticide-fertilizer composition comprises 10% of pyraclostrobin, 10% of metalaxyl-M, 0.5% of polyglutamic acid, 5% of sodium lignosulphonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is added to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Example 4
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow-release pesticide-fertilizer composition comprises 10% of pyraclostrobin, 1% of metalaxyl-M, 0.5% of polyglutamic acid, 5% of sodium lignosulphonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is added to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Example 5
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow-release pesticide-fertilizer composition comprises 0.5% of pyraclostrobin, 0.5% of metalaxyl-M, 0.5% of polyglutamic acid, 5% of sodium lignosulphonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is used for supplementing the components to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Example 6
The embodiment of the invention provides a slow-release pesticide-fertilizer composition. The slow release pesticide-fertilizer composition comprises 0.5% of pyraclostrobin, 0.5% of metalaxyl-M, 1% of polyglutamic acid, 5% of sodium lignosulfonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and the total amount of the components is up to 100% by using urea. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the slow-release pesticide-fertilizer composition product with the dosage form of granules.
Comparative example 1
The comparative example of the present invention provides a composition. The composition comprises 15 percent of pyraclostrobin, 15 percent of metalaxyl-M, 5 percent of sodium dodecyl benzene sulfonate, 4 percent of naphthalene sulfonate and 10 percent of corn starch in percentage by weight, and kaolin is used for supplementing to 100 percent. The components are uniformly mixed and then are crushed by air flow, then water is added for mixing, extruding and granulating, and the comparative example composition product with the water dispersible granule is obtained after drying.
Comparative example 2
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 5 percent of sodium lignosulphonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and kaolin is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 3
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and kaolin is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 4
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 5 percent of sodium lignosulphonate, 0.5 percent of polyglutamic acid, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and kaolin is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 5
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 5 percent of sodium lignosulphonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and the total amount is supplemented to 100 percent by urea. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 6
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 5 percent of sodium lignosulphonate, 0.5 percent of polyglutamic acid, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and urea is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 7
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 0.5 percent of polyglutamic acid, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and kaolin is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 8
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and urea is used for supplementing to 100 percent. The components are added with water and mixed evenly, and then are extruded and granulated, and the composition product of the comparative example with the granular formulation is obtained after drying.
Comparative example 9
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 0.5 percent of polyglutamic acid, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and urea is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 10
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite, 3 percent of corn starch and kaolin which is supplemented to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 11
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 0.5 percent of metalaxyl-M, 20 percent of sodium hydroxy cellulose, 5 percent of sodium lignosulphonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and the total weight is supplemented to 100 percent by urea. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 12
The comparative example of the present invention provides a composition. The composition comprises 0.5 percent of pyraclostrobin, 0.5 percent of metalaxyl-M, 5 percent of sodium lignosulfonate, 5 percent of polyvinyl alcohol, 6 percent of diatomite and 3 percent of corn starch in percentage by weight, and urea is used for supplementing to 100 percent. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Comparative example 13
The comparative example of the present invention provides a composition. The composition comprises 5% of sodium lignosulfonate, 5% of polyvinyl alcohol, 6% of diatomite and 3% of corn starch in percentage by weight, and urea is used for supplementing to 100%. The components are added with water and mixed evenly, extruded and granulated, and dried to obtain the composition product of the comparative example with the formulation of granules.
Effect example 1
The effect example tests the application of the slow-release pesticide-fertilizer composition provided in examples 1 to 6 and the composition provided in comparative examples 1 to 13 in the control of root rot of melons.
The test site is selected from a field of a certain farmer in Shouguang city in Shandong province, and the root rot of the melon is serious because the field is continuously cultivated all year round. The melon variety selected in the test is the thick-skin melon with the growth period of about 50 days.
The compositions of the examples and comparative examples were uniformly applied to the fields at 20 g/acre based on the active ingredient. The treatment conditions of each composition group are completely consistent with the conditions of soil, cultivation, water and fertilizer management and the like of the blank control group.
On days 3, 7, 14 and 28 after the application, the control effect of each composition on the root rot of the melon was investigated.
The calculation method of the control effect is obtained by calculating the formula (I) and the formula (II).
The test results of the controlling effect are shown in table 1.
TABLE 1 results table of the control effect of root rot of melon
Effect example 2
The effect example tests the application of the slow-release pesticide-fertilizer compositions provided in examples 1 to 6 and the compositions provided in comparative examples 1 to 13 in melon yield increase.
The test site and test method of the effect example are the same as those of effect example 1.
After the melons of each experimental group were harvested, the average weight of fruits of each group was counted, and the results are shown in table 2.
| Drug treatment | Application amount (g/mu) | Average weight of fruit (g) |
| Example 1 | 10000 | 1812 |
| Example 2 | 50 | 1567 |
| Example 3 | 134 | 1604 |
| Example 4 | 182 | 1622 |
| Example 5 | 2000 | 1735 |
| Example 6 | 2000 | 1739 |
| Comparative example 1 | 67 | 1397 |
| Comparative example 2 | 2000 | 1474 |
| Comparative example3 | 2000 | 1410 |
| Comparative example 4 | 2000 | 1462 |
| Comparative example 5 | 2000 | 1506 |
| Comparative example 6 | 2000 | 1511 |
| Comparative example 7 | 2000 | 1423 |
| Comparative example 8 | 2000 | 1467 |
| Comparative example 9 | 2000 | 1459 |
| Comparative example 10 | 2000 | 1476 |
| Comparative example 11 | 2000 | 1447 |
| Comparative example 12 | 2000 | 1446 |
| Comparative example 13 | 2000 | 1452 |
| Blank group | 0 | 1408 |
TABLE 2 melon yield increasing table
Effect example 3
The effect example tests the application of the slow-release pesticide-fertilizer compositions provided in examples 1-6 and the compositions provided in comparative examples 1-13 in controlling grape downy mildew.
The test site is selected in a field of a certain farmer in Hebei province Heng Water City, the downy mildew of grapes in the field is seriously attacked, and the yield and the quality are greatly influenced.
The compositions of the examples and comparative examples were uniformly applied to the fields at 30 g/acre based on the active ingredient. The treatment conditions of each composition group are completely consistent with the conditions of soil, cultivation, water and fertilizer management and the like of the blank control group.
The control effect of each composition on grape downy mildew was examined on days 3, 7, 14, and 28 after application.
The calculation method of the control effect is obtained by calculating the formula (I) and the formula (II).
The test results of the controlling effect are shown in table 3.
TABLE 3 results of controlling effect of grape downy mildew
The results of the effect example 1 and the effect example 3 show that the slow-release pesticide-fertilizer composition provided by the invention has a long effect duration due to the addition of polyglutamic acid as a slow-release agent, and has a good control effect on root rot and downy mildew after being applied for 14 days by matching with pyraclostrobin and metalaxyl-M.
From the results of the effect example 2, it can be seen that the slow-release pesticide-fertilizer composition effectively improves the fertilizer efficiency and produces an obvious yield-increasing effect on crops through the cooperation of the polyglutamic acid, the pyraclostrobin, the metalaxyl-M and the fertilizer.
In conclusion, the slow-release pesticide-fertilizer composition provided by the invention can be used for preventing and treating related diseases for a long time on the premise of effectively improving the fertilizer efficiency and effectively increasing the yield by compounding pyraclostrobin and metalaxyl-M, adding polyglutamic acid as a slow-release agent and matching with fertilizer components. The composition product can effectively reduce the application amount, reduce the application times and greatly reduce the burden of farmers on the workload and the cost.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (13)
1. The slow-release pesticide-fertilizer composition is characterized by comprising 0.1-20 wt% of pyraclostrobin, 0.1-20 wt% of metalaxyl-M, 0.5-1 wt% of polyglutamic acid, 10-20 wt% of pesticide adjuvant and 39-89.3 wt% of fertilizer.
2. The slow release insecticide-fertilizer composition of claim 1, wherein said slow release insecticide-fertilizer composition comprises 0.2-10% by weight of pyraclostrobin.
3. The slow release pesticide fertilizer composition as claimed in claim 2, wherein the slow release pesticide fertilizer composition contains 0.5-1% by weight of pyraclostrobin.
4. The slow release pesticide fertilizer composition as claimed in claim 1, wherein the slow release pesticide fertilizer composition comprises 0.2-10% by weight of metalaxyl-M.
5. The slow-release pesticide-fertilizer composition of claim 4, wherein the slow-release pesticide-fertilizer composition contains 0.5-1% by weight of metalaxyl-M.
6. The slow release fertilizer composition of claim 1, wherein the slow release fertilizer composition comprises 60-89.1% by weight of the fertilizer.
7. The slow release fertilizer composition of claim 6, wherein the slow release fertilizer composition comprises 78-79.5% by weight of the fertilizer.
8. The slow-release pesticide-fertilizer composition as claimed in claim 1, wherein the pesticide adjuvant is one or more of a dispersing agent, a wetting agent, a binder, a disintegration aid, a preservative, a defoaming agent, a film-forming agent and a solvent.
9. The slow-release pesticide-fertilizer composition as claimed in claim 1, wherein the fertilizer is one or more of monopotassium phosphate, urea, ammonium sulfate, potassium chloride and liquid urea.
10. The slow-release insecticide-fertilizer composition according to any one of claims 1 to 9, wherein the slow-release insecticide-fertilizer composition is in the form of at least one of emulsifiable concentrate, microemulsion, suspension concentrate, microcapsule suspension concentrate, suspoemulsion, water dispersible granule, wettable powder, granule and ultra-low volume spray.
11. The slow release insecticide-fertilizer composition of claim 10, wherein the slow release insecticide-fertilizer composition is in the form of granules.
12. The use of the slow release fertilizer composition of claim 10 for the control of plant diseases.
13. The use according to claim 12, wherein the plant disease is at least one of downy mildew, powdery mildew, phytophthora root rot, saprolegniasis, fusarium wilt, gray mold, and root rot.
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| CN202111547068.8A CN114230395B (en) | 2021-12-16 | 2021-12-16 | Slow-release pesticide-fertilizer composition and application thereof |
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| CN202111547068.8A CN114230395B (en) | 2021-12-16 | 2021-12-16 | Slow-release pesticide-fertilizer composition and application thereof |
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| CN114230395B true CN114230395B (en) | 2022-12-06 |
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