CN110959614A - Plant growth regulator and preparation method and application thereof - Google Patents
Plant growth regulator and preparation method and application thereof Download PDFInfo
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- CN110959614A CN110959614A CN201911329157.8A CN201911329157A CN110959614A CN 110959614 A CN110959614 A CN 110959614A CN 201911329157 A CN201911329157 A CN 201911329157A CN 110959614 A CN110959614 A CN 110959614A
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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
- A01N37/42—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 within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
-
- 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
- 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
- A01N25/14—Powders or granules wettable
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a plant growth regulator, which comprises the following active components in parts by weight: 30% of prohexadione calcium original drug and 5-15% of dispersing agent; the composition also comprises the following active components in parts by weight: 1 to 1.5 percent of tackifier, 0.2 to 0.5 percent of preservative, 3 to 6 percent of antifreezing agent, 1 to 2 percent of synergist and 0.1 to 0.5 percent of defoaming agent; the composition also comprises the following active components in parts by weight: 1-3% of wetting agent, 5-20% of disintegrating agent and filler. The contents of the 30 percent prohexadione calcium aqueous suspension and the 30 percent water dispersible granule of the invention are higher than that of most similar products in the market. The 30 percent prohexadione calcium aqueous suspension and the 30 percent water dispersible granule of the invention are high-efficiency and low-toxicity pesticide preparations with high content, thereby creating higher market value, saving resources and being beneficial to reducing the pollution to the environment in the production and use processes of pesticides.
Description
Technical Field
The invention relates to the technical field of plant growth regulation, in particular to a plant growth regulator taking prohexadione calcium as a main active component, a preparation method and application thereof.
Background
Rice is an important food crop worldwide, and rice is regarded as a ration for people with over 1/2. In recent years, the use of plant growth regulators to increase crop yield and improve rice quality has become a major research point. The plant growth regulator is a kind of artificially synthesized organic substance with plant hormone activity, which can promote or inhibit the growth and development of plants at a lower concentration and is widely applied in agricultural production at present.
With the increasing demand for environmental quality, the formulation powders, emulsifiable concentrates and the like which have been the main components in the agricultural chemical industry are greatly impacted, the pesticide formulation is developing towards the direction of water-based formulation, granulation, multifunction and refinement, and some new formulations which are efficient, economical, safe and environmentally compatible, such as Water Dispersible Granules (WDG), water Suspension Concentrate (SC) and sustained release formulation, are emerging and become the mainstream of the development in recent years. Prohexadione calcium (PHDC) is a novel plant growth regulator used to control the growth of cereal crops. Therefore, in order to be environment-friendly and more convenient for farmers to use, the invention develops the water suspension and the water dispersible granule with high content of prohexadione calcium.
Disclosure of Invention
In order to solve the above-mentioned deficiencies in the prior art, the present application provides a plant growth regulator comprising prohexadione-calcium as a main active ingredient. Particularly, the invention provides a high-content water suspension agent and water dispersible granules of prohexadione calcium, 30 percent of the prohexadione calcium water suspension agent and 30 percent of the prohexadione calcium water dispersible granules.
Specifically, the invention provides a plant growth regulator, which comprises the following active components in parts by weight: 30% of prohexadione calcium original drug and 5-15% of dispersing agent.
Preferably, the composition also comprises the following active components in parts by weight: 1 to 1.5 percent of tackifier, 0.2 to 0.5 percent of preservative, 3 to 6 percent of antifreezing agent, 0.1 to 0.5 percent of defoaming agent and 1 to 2 percent of synergist.
Preferably, the composition also comprises the following active components in parts by weight: 1-3% of wetting agent, 5-20% of disintegrating agent and filler.
Preferably, the plant growth regulator is calcium prohexadione water suspension or calcium prohexadione water dispersible granules.
In another preferred embodiment, the invention provides a plant growth regulator, and the active components of the prohexadione calcium aqueous suspension comprise 30% of prohexadione calcium original drug, 5-10% of dispersing agent, 1-1.5% of tackifier, 0.2-0.5% of preservative, 3-6% of antifreezing agent, 0.1-0.5% of defoaming agent and the balance of water.
Preferably, the dispersant is selected from two or more of alkyl naphthalene sulfonate formaldehyde polymer sodium salt, phosphate ester, polycarboxylate, hydrophobic group-modified carboxylic acid polymer, EO/PO block polyether, lignin sulfonate sodium salt, lignin sulfonate calcium salt, alkylphenol polyoxyethylene ether methyl ether condensate sulfate, and the like.
Preferably, the tackifier is selected from one or more of xanthan gum, magnesium aluminum silicate, carboxymethyl cellulose, organic soil and polyvinyl alcohol.
Preferably, the preservative is selected from one or more of sodium benzoate, casone, benzisothiazolinone, and the like.
Preferably, the antifreeze is selected from one or more of ethylene glycol, propylene glycol and glycerol.
Preferably, the synergist is selected from one or more of polyether modified trisiloxane and alkylbenzene sulfonate.
Preferably, the defoaming agent is selected from one or more of silicone oil, silicone compound and C10-20 saturated fatty acid compound.
In another preferred embodiment, the invention provides a plant growth regulator, and the active components of the prohexadione calcium water dispersible granule comprise 50% of prohexadione calcium original drug, 5-15% of dispersing agent, 1-3% of wetting agent, 5-20% of disintegrating agent and the balance of filler.
Preferably, the dispersing agent is selected from one or more of polycarboxylate, alkyl sulfonate formaldehyde polymer sodium salt, alkyl sulfonate calcium salt, alkylphenol polyoxyethylene ether methyl ether condensate sulfate, lignin sodium sulfonate, lignin calcium sulfonate and glycerin fatty acid ester polyoxyethylene ether.
Preferably, the wetting agent is selected from one or more of sodium dodecyl sulfate, calcium dodecyl benzene sulfonate, nekal BX and fatty alcohol derivative sodium salt.
Preferably, the disintegrating agent is selected from one or more of bentonite, urea, ammonium sulfate and sodium bicarbonate.
Preferably, the filler is selected from one or more of kaolin, diatomite, mica powder, light calcium carbonate and white carbon black.
The invention also provides a preparation method of the plant growth regulator, which comprises the following steps:
(1) weighing raw materials for preparing the plant growth regulator according to the proportion of each component;
(2) mixing the raw materials uniformly;
(3) grinding and crushing the plant growth regulator mixture obtained in the step (2);
(4) and (4) preparing the plant growth regulator mixture particles obtained in the step (3) into prohexadione calcium water suspending agent or prohexadione calcium water dispersible granules.
In another preferred embodiment, the invention provides a preparation method of a plant growth regulator, and the preparation method of the prohexadione calcium aqueous suspension comprises the following steps: firstly, adding a dispersing agent, a tackifier, a preservative, an antifreezing agent and a defoaming agent into water, uniformly stirring by a high-speed shearing machine, and adding a prohexadione calcium raw pesticide; and controlling the particle size D90 of the slurry to be less than 5 microns by adopting three horizontal sand mills connected in series to prepare the prohexadione-calcium aqueous suspension.
In another preferred embodiment, the invention provides a preparation method of the plant growth regulator, and the preparation method of the prohexadione calcium water dispersible granule comprises the following steps: according to the proportion of each component, prohexadione calcium, a dispersing agent, a wetting agent, a disintegrating agent and a filler are uniformly mixed, crushed by an ultramicro jet mill, kneaded, put into a fluidized bed granulation dryer for granulation, dried and screened to prepare the prohexadione calcium water dispersible granule.
The invention also provides application of the plant growth regulator in promoting or regulating plant stress resistance.
Preferably, the plant growth regulator is used to promote cold, disease and drought resistance in plants.
Preferably, the plant growth regulator is used to promote lodging resistance in rice.
Preferably, the plant growth regulator is used to promote increased yield in rice.
The prohexadione calcium can improve the fruit setting rate of plants and effectively control the vigorous growth of the plants through leaf surface treatment, thereby achieving the effect of improving the yield and the quality. The prohexadione calcium can also improve the stress resistance of plants and enhance the cold resistance, disease resistance and drought resistance of the plants. In addition, compared with triazole retarding agents, prohexadione calcium has the advantages of no residual toxicity to plants, no pollution to the environment and the like.
The beneficial effects of the invention are:
the contents of the 30 percent prohexadione calcium aqueous suspension and the 30 percent water dispersible granule of the invention are higher than that of most similar products in the market. The market cost of the single preparation product is packaging cost, labor cost, processing cost, auxiliary material cost, effective component cost and sale cost. Compared with the control area, the control effect and the market sales amount, the 30 percent prohexadione calcium aqueous suspension and the 30 percent water dispersible granule of the invention have the advantages that the cost of the effective components is not changed, the other expenses are reduced, and the obtained profits are relatively improved. The 30 percent prohexadione calcium aqueous suspension and the 30 percent water dispersible granule of the invention are high-efficiency and low-toxicity pesticide preparations with high content, thereby creating higher market value, saving resources and being beneficial to reducing the pollution to the environment in the production and use processes of pesticides.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer.
EXAMPLE 130 aqueous suspension based on prohexadione-calcium
1. The raw material ratio is as follows: 30 percent of prohexadione calcium, 8 percent of dispersant, 1.2 percent of tackifier, 0.3 percent of preservative, 4 percent of antifreeze, 1 to 2 percent of synergist and 0.3 percent of defoamer
2. Preparation method
Firstly, adding a dispersing agent, a tackifier, a preservative, an antifreezing agent and a defoaming agent into water, uniformly stirring by a high-speed shearing machine, and adding 30% of prohexadione calcium original drug. The slurry particle size D90 is controlled to be below 5 microns by three horizontal sand mills connected in series, and the 30 percent prohexadione calcium aqueous suspension agent preparation can be prepared.
EXAMPLE 230% prohexadione-calcium aqueous suspension based
1. The raw material ratio is as follows: 30 percent of prohexadione calcium, 5 percent of dispersant, 1.5 percent of tackifier, 0.5 percent of preservative, 3 percent of antifreeze, 1 to 2 percent of synergist and 0.5 percent of defoamer
2. Preparation method
Firstly, adding a dispersing agent, a tackifier, a preservative, an antifreezing agent, a synergist and a defoaming agent into water, uniformly stirring by a high-speed shearing machine, and adding 30% of prohexadione calcium original drug. The slurry particle size D90 is controlled to be below 5 microns by three horizontal sand mills connected in series, and the 30 percent prohexadione calcium aqueous suspension agent preparation can be prepared.
Example 330 aqueous suspension of prohexadione-calcium as the major ingredient
1. The raw material ratio is as follows: 30 percent of prohexadione calcium, 10 percent of dispersant, 1 percent of tackifier, 0.2 percent of preservative, 6 percent of antifreeze and 0.1 percent of defoaming agent
2. Preparation method
Firstly, adding a dispersing agent, a tackifier, a preservative, an antifreezing agent and a defoaming agent into water, uniformly stirring by a high-speed shearing machine, and adding 30% of prohexadione calcium original drug. The slurry particle size D90 is controlled to be below 5 microns by three horizontal sand mills connected in series, and the 30 percent prohexadione calcium aqueous suspension agent preparation can be prepared.
EXAMPLE 430% prohexadione calcium aqueous suspension based
1. The raw material ratio is as follows: 30 percent of prohexadione calcium, 6 percent of dispersant, 1.3 percent of tackifier, 0.4 percent of preservative, 5 percent of antifreeze and 0.4 percent of defoaming agent
2. Preparation method
Firstly, adding a dispersing agent, a tackifier, a preservative, an antifreezing agent and a defoaming agent into water, uniformly stirring by a high-speed shearing machine, and adding 30% of prohexadione calcium original drug. The slurry particle size D90 is controlled to be below 5 microns by three horizontal sand mills connected in series, and the 30 percent prohexadione calcium aqueous suspension agent preparation can be prepared.
Example 530% prohexadione-calcium based Water dispersible granule
1. The raw material ratio is as follows: 30% of prohexadione calcium original drug, 10% of dispersing agent, 2% of wetting agent, 12% of disintegrating agent and the balance of filler
2. Preparation method
Firstly, the prohexadione-calcium original drug, the dispersant, the wetting agent, the disintegrant and the rest of the filler are fully mixed, and a jet mill is used for dry fine crushing to obtain the wettable powder. Adding 15-19% of water into the powder, wetting, putting the powder into a fluidized bed granulation dryer for granulation, drying and screening to prepare the 30% prohexadione calcium water dispersible granule.
Example 630% prohexadione-calcium based Water dispersible granule
1. The raw material ratio is as follows: 30% of prohexadione calcium original drug, 15% of dispersing agent, 1% of wetting agent, 5% of disintegrating agent and the balance of filler
2. Preparation method
Firstly, the prohexadione-calcium original drug, the dispersant, the wetting agent, the disintegrant and the rest of the filler are fully mixed, and a jet mill is used for dry fine crushing to obtain the wettable powder. Adding 15-19% of water into the powder, wetting, putting the powder into a fluidized bed granulation dryer for granulation, drying and screening to prepare the 30% prohexadione calcium water dispersible granule.
Example 730% prohexadione-calcium based Water dispersible granule
1. The raw material ratio is as follows: 30% of prohexadione calcium original drug, 5% of dispersing agent, 3% of wetting agent, 20% of disintegrating agent and the balance of filler
2. Preparation method
Firstly, the prohexadione-calcium original drug, the dispersant, the wetting agent, the disintegrant and the rest of the filler are fully mixed, and a jet mill is used for dry fine crushing to obtain the wettable powder. Adding 15-19% of water into the powder, wetting, putting the powder into a fluidized bed granulation dryer for granulation, drying and screening to prepare the 30% prohexadione calcium water dispersible granule.
Example 830% prohexadione-calcium based Water dispersible granule
1. The raw material ratio is as follows: 30% of prohexadione calcium original drug, 12% of dispersing agent, 3% of wetting agent, 17% of disintegrating agent and the balance of filler
2. Preparation method
Firstly, the prohexadione-calcium original drug, the dispersant, the wetting agent, the disintegrant and the rest of the filler are fully mixed, and a jet mill is used for dry fine crushing to obtain the wettable powder. Adding 15-19% of water into the powder, wetting, putting the powder into a fluidized bed granulation dryer for granulation, drying and screening to prepare the 30% prohexadione calcium water dispersible granule.
Example 9
In order to determine the influence of the two dosage forms of the plant growth regulator on the growth yield and quality of plants, the influence of 30 percent of prohexadione calcium aqueous suspension and 30 percent of water dispersible granules on the lodging resistance and yield of rice is tested. Four doses of S1, S2, S3 and S4(50, 100, 150, 200 g/hm) were designed for the prohexadione calcium (the aqueous suspension containing 30% prohexadione calcium as the main ingredient in example 1 was used as an example for experimental study, and the plant growth regulator containing prohexadione calcium in other examples has the same experimental effect)2) And a clear water control CK, which is detailed in Table 1, the rice is sprayed at the end stage of effective cork tree division, the dilution water addition amount per hectare is 250 liters, and the influence of different prohexadione calcium application amounts on the rice yield and the yield forming factors is observed.
TABLE 1 fertilization periods and application rates for different treatments of prohexadione-calcium
TABLE 2 influence of different prohexadione calcium application rates on rice yield and yield-constituting factors
As can be seen from Table 2, the administration of prohexadione calcium has a positive effect on the number of effective spikes per unit area, and shows a greater trend of increasing effect with the content; the grain number per ear is in a descending trend along with the increase of the concentration of the prohexadione calcium, which shows that the prohexadione calcium with high concentration has a certain inhibiting effect on the grain number per ear and the change trend of the setting rate is not obvious. The thousand-grain mass shows a phenomenon of increasing along with the increase of the concentration of the prohexadione calcium. The yield of each treatment is gradually increased along with the increase of the concentration of the prohexadione calcium, the yield of the S4 treatment is the highest, and the yield of CK is the lowest. The results show that prohexadione calcium with higher concentration in a certain range plays an important role in improving the yield of rice.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A plant growth regulator is characterized by comprising the following active components in parts by weight: 30% of prohexadione calcium original drug and 5-15% of dispersing agent.
2. The plant growth regulator according to claim 1, further comprising the following active ingredients in parts by weight: 1 to 1.5 percent of tackifier, 0.2 to 0.5 percent of preservative, 3 to 6 percent of antifreezing agent, 1 to 2 percent of synergist and 0.1 to 0.5 percent of defoaming agent.
3. The plant growth regulator according to claim 1, further comprising the following active ingredients in parts by weight: 1-3% of wetting agent, 5-20% of disintegrating agent and filler.
4. The plant growth regulator according to claim 1, wherein the plant growth regulator is calcium prohexadione water suspension or calcium prohexadione water dispersible granule.
5. The plant growth regulator according to claim 4, wherein the active ingredients of the aqueous suspension of prohexadione calcium comprise 30% of prohexadione calcium raw pesticide, 5-10% of dispersing agent, 1-1.5% of tackifier, 0.2-0.5% of preservative, 3-6% of antifreezing agent, 0.1-0.5% of defoaming agent, 1-2% of synergist and the balance of water.
6. The plant growth regulator according to claim 5, wherein the dispersant is selected from two or more of alkyl naphthalene sulfonate formaldehyde polymer sodium salt, phosphate ester, polycarboxylate, hydrophobe modified carboxylic acid polymer, EO/PO block polyether, lignosulfonate sodium salt, lignosulfonate calcium salt, alkylphenol polyoxyethylene ether methyl ether condensate sulfate.
7. The plant growth regulator according to claim 4, wherein the active components of the prohexadione calcium water dispersible granule comprise 30% of prohexadione calcium original drug, 5% -15% of a dispersing agent, 1-3% of a wetting agent, 5% -20% of a disintegrating agent and the balance of a filler.
8. The plant growth regulator according to claim 7, wherein the dispersant is one or more selected from the group consisting of polycarboxylate, sodium alkyl sulfonate-formaldehyde polymer, calcium alkyl sulfonate, alkylphenol polyoxyethylene ether methyl ether condensate sulfate, sodium lignosulfonate, calcium lignosulfonate, and glycerol fatty acid ester polyoxyethylene ether.
9. A method for preparing a plant growth regulator according to any one of claims 1 to 8, comprising the steps of:
(1) weighing raw materials for preparing the plant growth regulator according to the proportion of each component;
(2) mixing the raw materials uniformly;
(3) grinding and crushing the plant growth regulator mixture obtained in the step (2);
(4) and (4) preparing the plant growth regulator mixture particles obtained in the step (3) into prohexadione calcium water suspending agent or prohexadione calcium water dispersible granules.
10. Use of a plant growth regulator according to any one of claims 1 to 8 for promoting or regulating plant stress resistance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329157.8A CN110959614A (en) | 2019-12-20 | 2019-12-20 | Plant growth regulator and preparation method and application thereof |
| PCT/CN2019/127357 WO2021120232A1 (en) | 2019-12-20 | 2019-12-23 | Plant growth regulator, preparation method therefor, and use thereof |
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| CN201911329157.8A CN110959614A (en) | 2019-12-20 | 2019-12-20 | Plant growth regulator and preparation method and application thereof |
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| CN110959614A true CN110959614A (en) | 2020-04-07 |
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| WO (1) | WO2021120232A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111869666A (en) * | 2020-07-30 | 2020-11-03 | 上海悦联生物科技有限公司 | Prohexadione calcium suspending agent and preparation method thereof |
| CN111972411A (en) * | 2020-09-07 | 2020-11-24 | 安徽省四达农药化工有限公司 | Preparation and application of prohexadione calcium suspending agent |
| CN112841188A (en) * | 2021-01-13 | 2021-05-28 | 江西华威科技有限公司 | Prohexadione calcium water dispersible granule as well as preparation method and application thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113907068A (en) * | 2021-10-09 | 2022-01-11 | 湖北高德生物科技有限公司 | Pesticide suspension synergist containing lecithin and vitamins and preparation method thereof |
| CN115959944B (en) * | 2023-01-13 | 2024-02-13 | 天津市汉邦植物保护剂有限责任公司 | Calcium phytate suspension fertilizer and preparation method thereof |
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| CN102273460B (en) * | 2011-06-20 | 2014-08-20 | 中国农业大学 | Plant growth regulator and application thereof |
| CN108812668B (en) * | 2018-05-31 | 2021-03-30 | 山东省烟台市农业科学研究院 | Plant growth regulator and preparation method and application thereof |
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- 2019-12-20 CN CN201911329157.8A patent/CN110959614A/en active Pending
- 2019-12-23 WO PCT/CN2019/127357 patent/WO2021120232A1/en active Application Filing
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| CN105685026A (en) * | 2016-02-22 | 2016-06-22 | 郑州郑氏化工产品有限公司 | Water-dispersible granule with prohexadione calcium and method for preparing water-dispersible granules |
| CN111034723A (en) * | 2018-10-12 | 2020-04-21 | 江苏龙灯化学有限公司 | Tip control agent for fruit trees and grapes and tip control method for fruit trees and grapes |
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| 郭恒 等: "15%调环酸钙悬浮剂研制", 《现代农药》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111869666A (en) * | 2020-07-30 | 2020-11-03 | 上海悦联生物科技有限公司 | Prohexadione calcium suspending agent and preparation method thereof |
| CN111972411A (en) * | 2020-09-07 | 2020-11-24 | 安徽省四达农药化工有限公司 | Preparation and application of prohexadione calcium suspending agent |
| CN112841188A (en) * | 2021-01-13 | 2021-05-28 | 江西华威科技有限公司 | Prohexadione calcium water dispersible granule as well as preparation method and application thereof |
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| WO2021120232A1 (en) | 2021-06-24 |
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