CN108752089B - Dinotefuran insecticide-fertilizer granules and application thereof - Google Patents
Dinotefuran insecticide-fertilizer granules and application thereof Download PDFInfo
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- CN108752089B CN108752089B CN201810538423.7A CN201810538423A CN108752089B CN 108752089 B CN108752089 B CN 108752089B CN 201810538423 A CN201810538423 A CN 201810538423A CN 108752089 B CN108752089 B CN 108752089B
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- Prior art keywords
- fertilizer
- dinotefuran
- capsule wall
- pesticide
- insecticide
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- A01N25/12—Powders or granules
-
- 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
- A01N25/26—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 in coated particulate form
-
- 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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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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
-
- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
Abstract
The invention belongs to the technical field of insecticide-fertilizer, and particularly relates to dinotefuran insecticide-fertilizer granules and application thereof. The dinotefuran insecticide-fertilizer granules comprise the following components in percentage by weight: 0.02-0.9% of dinotefuran, 0.05-0.5% of capsule wall material, 5-20% of urea, 10-15% of ammonium chloride, 1-10% of diammonium phosphate, 5-15% of potassium chloride, 1-5% of dispersing aid, 0.1-5% of binder and 100% of filler; can be used as additional fertilizer or base fertilizer for paddy fields. The pesticide fertilizer granules have good control effect on rice planthoppers, rice leaf rollers, chilo suppressalis and the like, and have good persistence; the pesticide fertilizer granules of the invention prolong the drug duration, improve the pesticide utilization rate, reduce the waste of pesticide and fertilizer and reduce environmental pollution; the pesticide fertilizer granule formulation is environment-friendly and convenient to apply, and can be used for top dressing or base fertilizer.
Description
Technical Field
The invention belongs to the technical field of insecticide-fertilizer, and particularly relates to dinotefuran insecticide-fertilizer granules and application thereof.
Background
The fertilizer and the pesticide play an important role in agricultural production, and the fertilizer can provide nutrient requirements for crop growth to ensure yield increase and income increase; the pesticide can effectively prevent and treat diseases, insects and weeds, and protect the driving for the normal growth of crops. The development trend of the fertilizer is complex, special, slow-release and multifunctional; the pesticide has the requirements of high efficiency, low toxicity, broad spectrum, long lasting period and high utilization rate. There is a direct or indirect relationship between fertilizers, pesticides, soil and crops. With the development of agricultural production and the continuous improvement of the level of science and technology, the fertilizer and pesticide are mixed to combine two operation steps in the field into one, which becomes an important development direction in the agricultural field. The research of the pesticide fertilizer in China begins in 80 years of the 20 th century, and at present, more researches are carried out, but the research of the slow-release pesticide fertilizer is less. The slow-release pesticide fertilizer has the greatest characteristics that the release of the fertilizer and the pesticide is synchronous with the absorption of the growth needs of crops, the one-time fertilization is realized to meet the needs of the crops in the whole growth period, the labor force, the time and the energy are saved, the production cost is reduced, the antagonism between the pesticide and the fertilizer and the adverse effect on the crops can be avoided, the synergistic effect between the pesticide and the fertilizer is increased, the using amount of the pesticide and the fertilizer is reduced, the optimal application effect is obtained, the environment is protected, and the yield of the crops is improved.
Dinotefuran was the first third generation of nicotinic insecticides developed by mitsui chemical company, japan, and marketed in 2002. The pesticide has wide insecticidal spectrum, excellent systemic osmosis and high insecticidal activity at very low dosage. The pesticide is safe to mammals, birds and aquatic organisms, has no phytotoxicity to crops, and has high efficiency on homoptera, lepidoptera and diptera pests on rice, fruit trees, vegetables and other crops. No report related to the preparation of dinotefuran into the sustained-release pesticide-fertilizer granules exists in the existing literature.
Disclosure of Invention
The invention aims to provide dinotefuran pesticide-fertilizer granules and application thereof, and the prepared pesticide-fertilizer granules have excellent heat storage stability and slow release performance and can be used for promoting the growth of rice crops and preventing and controlling insect pests.
The invention provides the following technical scheme:
the dinotefuran insecticide-fertilizer granules comprise the following components in percentage by weight: 0.02-0.9% of dinotefuran, 0.05-0.5% of capsule wall material, 5-20% of urea, 10-15% of ammonium chloride, 1-10% of diammonium phosphate, 5-15% of potassium chloride, 1-5% of dispersing aid, 0.1-5% of binder and 100% of filler.
According to the dinotefuran insecticide-fertilizer granules, dinotefuran is coated in a capsule wall material.
Preferably, the capsule wall material in the dinotefuran pesticide-fertilizer granules is formed by the interfacial polymerization of a first capsule wall component and a second capsule wall component; the first capsule wall component is 2, 4-toluene diisocyanate or 2, 6-toluene diisocyanate, and the second capsule wall component is ethylenediamine.
Preferably, the dispersing aid is one or more of sodium dodecyl sulfate, lignosulfonate or naphthalene sulfonic acid formaldehyde polymer.
Preferably, the binder is one or more of xanthan gum, carboxymethyl cellulose or polyvinyl alcohol.
Preferably, the filler is one or more of kaolin, attapulgite, white carbon black or light calcium carbonate.
The dinotefuran insecticide-fertilizer granules are used for promoting the growth of rice crops and preventing and controlling pests; the insect pests comprise rice planthoppers, rice leaf rollers and chilo suppressalis.
The dinotefuran insecticide-fertilizer granules are applied in a mode of additional fertilizer or base fertilizer.
Compared with the prior art, the invention has the beneficial effects that:
(1) the pesticide fertilizer granules prepared by the invention have good control effect on rice planthoppers, rice leaf rollers, chilo suppressalis and the like, and have good persistence.
(2) The pesticide fertilizer granules prepared by the invention prolong the drug duration, improve the pesticide utilization rate, reduce the waste of pesticide and fertilizer and reduce the environmental pollution.
(3) The pesticide fertilizer granules prepared by the invention are environment-friendly in dosage form and convenient to apply, and can be used for topdressing or base fertilizer.
Detailed Description
The following examples are further illustrative of the present invention as to the technical contents of the present invention, but the essence of the present invention is not limited to the following examples.
Example 1: 0.5% dinotefuran insecticide-fertilizer granules
Comprises the following components in percentage by weight: 0.5% of dinotefuran, 0.3% of capsule wall material, 12% of urea, 10% of ammonium chloride, 6% of diammonium phosphate, 10% of potassium chloride, 2% of sodium dodecyl sulfate, 2% of lignosulfonate, 3% of xanthan gum and 100% of kaolin; the dinotefuran is coated in a capsule wall material, and the capsule wall material is formed by the interfacial polymerization of a first capsule wall component and a second capsule wall component; the first capsule wall component is 2, 4-toluene diisocyanate, and the second capsule wall component is ethylenediamine.
The preparation method comprises the following steps: (1) mixing dinotefuran, 2, 4-toluene diisocyanate and cyclohexanone, adding sodium dodecyl sulfate and lignosulfonate, shearing and dispersing, adding an ethylenediamine aqueous solution under the condition of slow stirring at 50-80 ℃, continuing to slowly stir for reaction until coating is finished, adding a small amount of kaolin, and performing spray drying to form the dinotefuran microcapsule. (2) Mixing the dinotefuran microcapsules prepared in the step (1) with urea, ammonium chloride, diammonium phosphate, potassium chloride and residual kaolin, adding xanthan gum, kneading and granulating, and finally drying and screening to obtain the 0.5% dinotefuran insecticide-fertilizer granules.
Example 2: 0.9% dinotefuran insecticide-fertilizer granules
Comprises the following components in percentage by weight: 0.9% of dinotefuran, 0.5% of capsule wall material, 8% of urea, 15% of ammonium chloride, 4% of diammonium phosphate, 15% of potassium chloride, 3% of naphthalene sulfonic acid formaldehyde polymer, 2% of carboxymethyl cellulose and the balance of light calcium carbonate to 100%; the dinotefuran is coated in a capsule wall material, and the capsule wall material is formed by the interfacial polymerization of a first capsule wall component and a second capsule wall component; the first capsule wall component is 2, 6-toluene diisocyanate, and the second capsule wall component is ethylenediamine.
The preparation method comprises the following steps: (1) mixing dinotefuran, 2, 6-toluene diisocyanate and cyclohexanone, adding a naphthalene sulfonic acid formaldehyde polymer, shearing and dispersing, adding an ethylene diamine aqueous solution under the condition of slow stirring at the temperature of 50-80 ℃, continuously and slowly stirring for reaction until coating is finished, adding a small amount of light calcium carbonate, and performing spray drying to form the dinotefuran microcapsule. (2) Mixing the dinotefuran microcapsules prepared in the step (1) with urea, ammonium chloride, diammonium phosphate, potassium chloride and the rest of light calcium carbonate, adding carboxymethyl cellulose, kneading and granulating, and finally drying and screening to obtain the 0.9% dinotefuran pesticide-fertilizer granules.
Example 3: 0.02% dinotefuran insecticide-fertilizer granules
Comprises the following components in percentage by weight: 0.02% of dinotefuran, 0.07% of capsule wall material, 5% of urea, 14% of ammonium chloride, 8% of diammonium phosphate, 7% of potassium chloride, 1% of sodium dodecyl sulfate, 2% of naphthalene sulfonic acid formaldehyde polymer, 2.5% of polyvinyl alcohol and the balance of white carbon black to 100%; the dinotefuran is coated in a capsule wall material, and the capsule wall material is formed by the interfacial polymerization of a first capsule wall component and a second capsule wall component; the first capsule wall component is 2, 6-toluene diisocyanate, and the second capsule wall component is ethylenediamine.
The preparation method comprises the following steps: (1) mixing dinotefuran, 2, 6-toluene diisocyanate and cyclohexanone, adding sodium dodecyl sulfate and naphthalene sulfonic acid formaldehyde polymer, shearing and dispersing, adding an ethylene diamine aqueous solution under the condition of slowly stirring at 50-80 ℃, continuously and slowly stirring for reaction until coating is finished, adding a small amount of white carbon black, and performing spray drying to form the dinotefuran microcapsule. (2) Mixing the dinotefuran microcapsules prepared in the step (1) with urea, ammonium chloride, diammonium phosphate, potassium chloride and the rest of white carbon black, adding polyvinyl alcohol, kneading and granulating, and finally drying and screening to obtain the 0.02% dinotefuran insecticide-fertilizer granules.
Comparative example 1: the first wall component of the wall material of example 1 was replaced with tetramethylene diisocyanate, the remainder being unchanged.
Comparative example 2: the first wall component of the wall material of example 2 was replaced with 1, 5-naphthylene diisocyanate, the remainder being unchanged.
Comparative example 3: the first wall component of the wall material of example 3 was replaced with polymethylene polyphenylene isocyanate, the remainder being unchanged.
Testing one: physical property test of the preparation
The performance index of the pesticide fertilizer granules prepared by the method is measured by adopting a conventional test method in the field. The heat storage stability was determined according to the method described in GB/T19136-2003; the permanent foaming was carried out according to GB/T28137-2011.
Table 1 formulation physical property testing
As can be seen from Table 1, examples 1 to 3 are not different from the control in the long-lasting foamability and dust index as compared with comparative examples 1 to 3; the heat storage stability of examples 1 to 3 is significantly better than that of comparative examples 1 to 3, i.e. the choice of wall material has a greater influence on the stability of the active ingredient. As can be seen, for the dinotefuran insecticide-fertilizer granules, the capsule wall material formed by 2, 4-toluene diisocyanate or 2, 6-toluene diisocyanate and ethylenediamine is better than the composition formed by other isocyanates and ethylenediamine.
And (2) testing: pesticide fertilizer granules have field control effect on rice pests
The control object is: rice planthopper, rice leaf roller and Chilo suppressalis
The prevention and treatment medicament comprises: the agents prepared in examples 1-3 and comparative examples 1-3 of the present application were used in the same dosage.
The mode of administration of the drug: the fertilizer is applied by adopting an additional fertilizer mode.
TABLE 2 field control of granular pesticide-fertilizer for rice pests
The occurrence of pests in the field is dynamic, and the pests can re-infect crops after the pesticide effect disappears, so that the pesticide-fertilizer durability is improved, and the pesticide-fertilizer application frequency can be effectively reduced. As can be seen from Table 2, the persistence of the pesticide fertilizer granules in the examples 1 to 3 is obviously better than that of the comparative examples 1 to 3, the control effect of the example 1 on the rice planthopper in 60 days is 44.3 percent, and the control effect of the comparative example is only 22.4 percent; the control effect of example 2 on rice leaf roller for 60 days is 60.1 percent, and the control effect is only 41.7 percent; the control effect of example 2 on chilo suppressalis for 60 days is 42.8%, and the control effect is only 26.1%. Therefore, for the dinotefuran insecticide-fertilizer granules, the slow release performance of the capsule wall material formed by 2, 4-toluene diisocyanate or 2, 6-toluene diisocyanate and ethylenediamine is obviously better than that of the combination of other isocyanates and ethylenediamine.
The present invention has been further described with reference to the examples, but the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The dinotefuran insecticide-fertilizer granules are characterized by comprising the following components in percentage by weight: 0.02-0.9% of dinotefuran, 0.05-0.5% of capsule wall material, 5-20% of urea, 10-15% of ammonium chloride, 1-10% of diammonium phosphate, 5-15% of potassium chloride, 1-5% of dispersing aid, 0.1-5% of binder and the balance of filler to 100%; the dinotefuran is coated in the capsule wall material; the capsule wall material is formed by the interfacial polymerization of a first capsule wall component and a second capsule wall component; the first capsule wall component is 2, 4-toluene diisocyanate or 2, 6-toluene diisocyanate, and the second capsule wall component is ethylenediamine.
2. The dinotefuran insecticide-fertilizer granule as claimed in claim 1, wherein the dispersing auxiliary agent is one or more of sodium dodecyl sulfate, lignosulfonate or naphthalene sulfonic acid formaldehyde polymer; the binder is one or more of xanthan gum, carboxymethyl cellulose or polyvinyl alcohol; the filler is one or more of kaolin, attapulgite, white carbon black or light calcium carbonate.
3. Use of dinotefuran insecticide-fertilizer granules according to any one of claims 1-2 for promoting growth of rice crops and pest control.
4. Use according to claim 3, characterized in that: the pests comprise rice planthoppers, cnaphalocrocis medinalis and chilo suppressalis.
5. The method for applying dinotefuran insecticide-fertilizer granules of any one of claims 1-2, wherein: the application mode is top dressing or base fertilizer application.
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| CN201810538423.7A CN108752089B (en) | 2018-05-30 | 2018-05-30 | Dinotefuran insecticide-fertilizer granules and application thereof |
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| CN201810538423.7A CN108752089B (en) | 2018-05-30 | 2018-05-30 | Dinotefuran insecticide-fertilizer granules and application thereof |
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| CN108752089B true CN108752089B (en) | 2021-04-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112521213A (en) * | 2020-12-04 | 2021-03-19 | 广西联和裕隆药肥有限公司 | Pesticide fertilizer for delaying pesticide release |
| CN113558068A (en) * | 2021-07-26 | 2021-10-29 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of pesticide-fertilizer granules containing dinotefuran and bifenthrin |
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