CN107864957B - Rice growth promoting and controlling agent and its prepn - Google Patents
Rice growth promoting and controlling agent and its prepn Download PDFInfo
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- CN107864957B CN107864957B CN201711055898.2A CN201711055898A CN107864957B CN 107864957 B CN107864957 B CN 107864957B CN 201711055898 A CN201711055898 A CN 201711055898A CN 107864957 B CN107864957 B CN 107864957B
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- QBWRRCHNQNRVIK-UHFFFAOYSA-M sodium;1h-indole;acetate Chemical compound [Na+].CC([O-])=O.C1=CC=C2NC=CC2=C1 QBWRRCHNQNRVIK-UHFFFAOYSA-M 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
- A01N33/20—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
- A01N33/22—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group having at least one oxygen or sulfur atom and at least one nitro group directly attached to the same aromatic ring system
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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
- A01N25/26—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
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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
- A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
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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
- A01N37/12—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 the group, wherein Cn means a carbon skeleton not containing a ring; Thio analogues thereof
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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
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
- A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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Abstract
The invention discloses a rice growth promoting and controlling agent and a preparation method thereof, and aims to solve the technical problem of rooting, tillering and vigorous control in stages according to the growth requirements of rice. The rice growth promoter is a slow-release granule consisting of active ingredients and auxiliary ingredients, wherein the active ingredients consist of a plant growth promoter, a rooting agent and a plant growth retardant; the auxiliary components comprise binder, dispersant, wetting agent, adsorption carrier, filler and coating. During preparation, the plant growth retardant is subjected to slow-release coating, and then the plant growth promoter and the rooting agent are coated on the periphery of the plant growth retardant; after the application, the peripheral plant growth promoter and the rooting agent act firstly to take root and promote tillering, and the plant growth retardant starts to act to inhibit the elongation of the stem nodes when the rice stem is rapidly elongated. The granule has release rule completely conforming to rice growth rule, is first promoted and then controlled, does not damage plants, is disposable, convenient and safe, and saves time and labor.
Description
Technical Field
The invention relates to the technical field of plant growth regulation and control, in particular to a rice control promoter and a preparation method thereof.
Background
Rice is one of important grain crops in the world, and the main purpose of rice cultivation is to improve the rice yield all the time. The yield of the rice = mu ear number multiplied by ear weight, the mu ear number is the effective tillering number of the rice mu, and the influence factors of the ear weight are thousand kernel weight and ear number, namely the grain fullness and the grain empty rate of the rice, so that the improvement of the effective tillering and the grain fullness of the rice and the reduction of the grain empty rate of the ear are important cultivation measures for improving the yield of the rice.
The rice has tillering characteristics, and the rice tillering mostly occurs on tillering nodes with extremely short base section intervals. The lower the tillering, the earlier tillering occurs and the greater the possibility of spiking, which is called effective tillering. The tillering of the high tillering site at birth delay is mostly called ineffective tillering because the tillering can not form ears. The tillering amount and the tillering delay are closely related to the depth of rice transplanting, the temperature, the illumination, the water content and the nutrient supply and the speed of rice transplanting and survival, particularly the speed of rice transplanting and survival has great influence on the effective tillering of rice, the root system of the rice seedling is damaged and the environment is changed during the rice transplanting process, the root system can germinate new roots and then restore the growth after the transplanting process usually needs 5 to 7 days or even longer, and the period is called the green-turning period. Tillering is started after the rice is turned green, tillering is early, and tillering is more at low positions, so that the improvement of the tillering and heading rate of the rice is facilitated, and the effective spike weight and the spike weight of the rice are increased; and the green turning and the survival of the rice are slow, the tillering is delayed, the effective tillering is reduced, the ineffective tillering is increased, and the rice yield is reduced. Therefore, promoting the rapid rooting and the rapid survival of the rice is an important means for increasing the effective tillering of the rice.
The rice lodging is one of important factors influencing the grain plumpness and the grain-shrinking rate of the rice, and is the most important restriction factor for high and stable yield of the rice at present. Lodging can cause photosynthesis and grain grouting to stop, greatly influences the quality of rice, causes empty grain to be flat and increases, brings inconvenience for reaping and threshing simultaneously, even appears threshing, ear bud phenomenon, increases the corn loss rate, and lodging causes the reduction in yield generally 10 ~ 30%, even up to more than 50%. There are two types of rice lodging: one is root lodging, and the root system is poor in development and unstable in root tying due to soil erosion in the rice field or shallow plough layer, so that the rice is flat and lodged when being invaded by wind and rain; the other is stalk lodging in a bending type or a breaking type because the stalks are tall and thin, the basal internodes are long, and the upper weight cannot be borne, thereby the stalk lodging in a bending type or a breaking type occurs. The plant height is high, and the lodging resistance is weak; the plant height is short, and the lodging resistance is strong. Therefore, the promotion of rooting and the control of plant height are main ways for solving the problem of rice lodging and are important means for improving the grain fullness and reducing the grain shrinkage rate of the spikes.
The plant growth regulator is an important means for promoting root growth, accelerating transplanting survival rate, promoting tillering and controlling plant height, and has obvious effect. The rice root promoting and vigour controlling agent (CN 106259355A) invented by Zhu super seal and the like, the rice seedling strengthening and lodging resistant agent (CN 1504090A) invented by von Tai Duty, the granular preparation (CN 102503692A) invented by Xiyan imitative and promoting rice tillering and the regulator composition (CN 102701858A) invented by Zheng Xiefu and the like for controlling vigour, resisting lodging and increasing yield of rice are mainly used for carrying out rooting, tillering, controlling vigour and lodging resistance by using regulators such as naphthylacetic acid, indoleacetic acid, paclobutrazol, prohexadione calcium and the like.
Besides the regulator, the time, dosage and method for applying the regulator are also very critical, in a rice planting centralized area, due to the inconvenience of applying fertilizer and pesticide to rice and high labor cost, farmers often use the regulator and the rooting, tillering and vigorous control product together when applying tillering fertilizer after rice transplantation, and the main application method is to apply the rooting, tillering and vigorous control product composition after the rice is revived and survived; spraying a large amount of plant growth retardant once after the rice survives; respectively and independently spraying the plant growth promoter and the plant growth retardant for multiple times.
However, most of the existing products for promoting and controlling rooting and tillering are simply mixed, so that the use of the regulator is problematic, the rooting is controlled vigorously, and the tillering is controlled vigorously, so that the components conflict with each other to damage rice seedlings, and the effects of increasing yield cannot be achieved, and the yield is reduced.
After the rice is turned green, a mixture containing both a plant growth promoter and a plant growth retardant is applied in a broadcast mode, so that conflict is caused, the pesticide effect is influenced, and plants are damaged. When the plant growth retardant is sprayed on rice, the small dose is not obvious in vigorous control, and the large dose is not in accordance with the law that plants grow and are vigorous controlled at the same time, so that the growth of stems and leaves is inhibited, the ear growth is reduced, and the later-period yield is reduced. In many places, the height of rice plants is far lower than the normal height of the plants due to excessive vigorous growth control, so that the yield is reduced. And the water is separately and singly sprayed for multiple times, so that the labor cost is increased, and the labor and the time are wasted.
Therefore, the development of a product capable of rooting, promoting tillering and controlling vigorous growth by stages according to the growth requirements of rice is of great importance to the yield increase of the rice.
Disclosure of Invention
The invention aims to provide a rice control promoter which can be applied once and meets the control promoting requirements of rice in each growth period, and discloses a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical research ideas:
the slow release type granules containing the plant growth promoter, the rooting agent and the plant growth retardant are provided, the fertilizer application habit of farmers is combined, the slow release type granules can be applied after transplanting, can be applied independently, can be used together with the fertilizer after surviving, and are released orderly according to the growth rule of rice, the innermost layer is the plant growth retardant, and the outermost layer is the plant growth promoter and the rooting agent. After the plant growth retardant is applied, the plant growth promoter and the rooting agent are preferentially released to promote growth, tillering and rooting, so that a large number of roots are extracted and form low-position tillering quickly, then the plant growth retardant is slowly released until the rice stem acts in a quick elongation stage, the side length is controlled, and the damage to plants and the influence on the leaf blade and the spike length are avoided.
The main key point of the preparation of the granules is in the product structure of the invention, namely, the plant growth retardant is subjected to slow release coating, then the plant growth promoter and the rooting agent are coated on the periphery, after the granules are applied, the peripheral plant growth promoter and the rooting agent act firstly to take root and promote tillering, and the plant growth retardant starts to act to inhibit the elongation of stem nodes when the rice stem is rapidly elongated.
In order to solve the technical problems, the invention adopts the following technical scheme:
preparing a rice control promoter which is a granule, wherein the granule consists of a core layer, a sustained and controlled release coating layer and an outer coating layer from inside to outside; the core layer is made of an adsorption carrier and a plant growth retardant adsorbed by the adsorption carrier; the sustained and controlled release coating layer is made of a binder and a coating material; the outer wrapping layer is made of a plant growth promoter, a rooting agent, a binder, a dispersing agent, a wetting agent and a filler;
the percentage of the components in the total weight of the granule is respectively as follows: 0.01-3% of plant growth retardant, 0.01-4% of plant growth promoter, 0.01-1% of rooting agent, 2-8% of binder, 1-7% of dispersing agent, 1-8% of wetting agent, 2-10% of adsorption carrier, 0.01-5% of coating and 100% of filler.
Preferably, the plant growth retardant is at least one of prohexadione calcium, paclobutrazol, uniconazole and chlormequat chloride, the plant growth promoter is at least one of compound sodium nitrophenolate, brassinolide and diethyl aminoethyl hexanoate, and the rooting agent is at least one of α -sodium naphthaleneacetate, heteroauxin and indolebutyrate.
Preferably, the binder is at least one of soybean lecithin, gelatin, polyvinyl alcohol, polyethylene glycol, soybean protein, dextrin, rosin and starch.
Preferably, the dispersant is at least one of tristyrylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether sulfonate, naphthalene sulfonate, sodium lignosulfonate or calcium lignosulfonate, sodium carboxymethylcellulose, and polyoxyethylene polyoxypropylene ether block copolymer.
Preferably, the wetting agent is at least one of alkylaryl polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether and alkyl naphthalene sulfonate.
Preferably, the adsorption carrier is at least one of bentonite, diatomite, white carbon black, light calcium carbonate, clay, quartz, pumice, vermiculite, perlite or nano material.
Preferably, the coating material is at least one of paraffin, ozokerite, beeswax, collodion, cellulose acetate phthalate, xanthan gum, gelatin, gum arabic, polyvinylpyrrolidone, magnesium aluminum silicate, polyvinyl alcohol, phenol resin, shellac, carboxymethyl cellulose, ethyl cellulose, methyl cellulose, and sodium alginate.
Preferably, the filler is at least one of macroelement nitrogen, phosphorus and potassium, medium and trace elements silicon, zinc and boron, humic acid and amino acid.
A preparation method of a rice control promoter is designed, and comprises the following steps:
(1) preparing an adsorption carrier: drying, crushing and uniformly mixing the adsorption carrier;
(2) spraying the plant growth retardant solution on an adsorption carrier, stirring and drying for later use;
(3) preparing a core layer: spraying a binder, a dispersing agent and a wetting agent solution on the carrier prepared in the step (2) to prepare core layer particles, and drying for later use;
(4) preparing a sustained and controlled release coating layer: spraying a liquid binder and a coating on the core layer particles in the step (3), and drying to obtain a slow-release particle core layer;
(5) preparing an outer coating layer: and (4) spraying a plant growth promoter, a rooting agent, a binder, a dispersing agent, a wetting agent and a filler solution on the slow-release granule core layer obtained in the step (4), and drying to obtain the slow-release granule.
Preferably, in the step (3), the diameter of the core layer is 0.2-25 mm; in the step (4), the thickness of the sustained and controlled release coating layer is 0.01-8 mm.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the rice growth promoting and controlling agent of the invention optimizes plant growth retardant, accelerant, rooting agent and coating component on the basis of skillfully setting a slow release structure, so that the two components of promoting and controlling are harmoniously and uniformly integrated into a granule formulation, and finally the releasing action rule of each component completely accords with the rice growth rule, the promoting and controlling are carried out firstly, the plant is not damaged, the root is more rooted, the seedling is not damaged, and the tillering is more performed;
2. the plant growth retardant coating in the rice growth regulator can realize the sustained release of the growth retardant, has the advantages of vigorous growth control, obvious effect and difficult rebound;
3. all effective components of the rice control promoter can be utilized to the maximum extent, so that unnecessary waste and mutual antagonism are avoided, the control promoting cost is saved, and the effect is obvious;
4. the rice control promoter can be used after transplanting and surviving of rice, is simple and convenient to apply, can meet the control promoting requirements of rice in each growth period by one-time application, and is labor-saving and time-saving.
Drawings
FIG. 1 is a cross-sectional view showing the structure of a rice control agent granule of the present invention;
wherein, 1 is a core layer, 2 is a sustained and controlled release coating layer, and 3 is an outer coating layer.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
The instruments and devices referred to in the following examples are conventional instruments and devices unless otherwise specified; the related reagents or raw materials are all conventional products on the market if not specifically indicated; the preparation and test methods are conventional methods unless otherwise specified.
The first embodiment is as follows: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
1.8% of compound sodium nitrophenolate, 0.5% of α -sodium naphthylacetate, 0.4% of potassium indolacetate, 2.3% of prohexadione calcium, 3% of white carbon black, 4% of soybean lecithin, 3% of tristyrylphenol polyoxyethylene ether phosphate, 2% of alkyl aryl polyoxyethylene ether sulfate, 1% of paraffin and 100% of filler.
2. The preparation method comprises the following steps:
(1) preparing an adsorption carrier, and drying, crushing and uniformly mixing the adsorption carrier white carbon black;
(2) preparing plant growth retardant prohexadione calcium into solution, spraying the solution on the adsorption carrier prepared in the step (1), fully and uniformly stirring the solution, and drying the solution for later use;
(3) preparing a core layer, namely preparing soybean lecithin serving as a binder, tristyrylphenol polyoxyethylene ether phosphate serving as a dispersing agent and alkyl aryl polyoxyethylene ether sulfate serving as a wetting agent into liquid, spraying the liquid onto the carrier containing the prohexadione calcium serving as the plant growth retardant prepared in the step (2) in a spraying manner, preparing the core layer into particles with the diameter of 1mm on a granulator, and drying the particles for later use;
(4) preparing a core layer wrapping layer, melting a binder soybean lecithin and a coating material paraffin into liquid, spraying the liquid on the core layer in the step (3) in a spraying manner, wherein the thickness of the core layer is 0.05mm, and drying to obtain a slow-release particle core layer;
(5) preparing a peripheral wrapping layer, preparing plant growth accelerator compound sodium nitrophenolate, rooting agent α -sodium naphthalene acetate, sodium indole acetate, binder soybean lecithin, dispersant tristyrylphenol polyoxyethylene ether phosphate, wetting agent alkylaryl polyoxyethylene ether sulfate and filler into liquid, spraying the liquid onto the slow release particle core layer containing the plant growth retardant component prohexadione calcium prepared in the step (4) in a spraying manner, and drying to obtain the slow release type granules containing the plant growth accelerator, the rooting agent and the plant growth retardant.
The structure of the preparation is shown in figure 1, wherein 1 is a core layer, 2 is a sustained and controlled release coating layer, and 3 is an outer coating layer.
Example two: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
1% of brassinolide, 0.6% of α -sodium naphthalene acetate, 0.2% of sodium indolebutyrate, 1.3% of paclobutrazol, 3.5% of light calcium carbonate, 5% of starch, 4% of alkylphenol polyoxyethylene ether sulfonate, 2% of alkylphenol polyoxyethylene ether, 1.5% of phthalic acid cellulose acetate and the balance of filler to 100%.
2. The preparation method is different from the first embodiment in that:
preparing the core layer into particles with the diameter of 2mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 1 mm.
Example three: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.8% of diethyl aminoethyl hexanoate, 0.4% of α -sodium naphthalene acetate, 0.3% of sodium indolebutyrate, 1.5% of uniconazole, 5% of bentonite, 6% of soybean protein, 4% of naphthalenesulfonate, 1% of fatty alcohol polyoxyethylene ether, 0.5% of xanthan gum and the balance of filler to 100%.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 5mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 1.5 mm.
Example four: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.5% of compound sodium nitrophenolate, 0.2% of α -sodium naphthylacetate, 0.2% of potassium indolylacetate, 0.3% of sodium indolebutyrate, 0.6% of paclobutrazol, 0.5% of uniconazole, 6% of diatomite, 3% of dextrin, 2% of sodium lignosulfonate, 2% of alkyl naphthalene sulfonate, 1% of gum arabic and the balance of filler to 100%.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 8mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 2 mm.
Example five: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.2 percent of compound sodium nitrophenolate, 0.3 percent of brassinolide, 0.2 percent of α -sodium naphthalene acetate, 0.1 percent of potassium indolebutyrate, 0.9 percent of prohexadione calcium, 0.4 percent of paclobutrazol, 5 percent of perlite, 7 percent of rosin, 2 percent of calcium lignosulphonate, 4 percent of alkylphenol polyoxyethylene, 3 percent of magnesium aluminum silicate and 100 percent of filler complement.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 10mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 2.5 mm.
Example six: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.05% of brassinolide, 0.05% of diethyl aminoethyl hexanoate, 0.6% of α -sodium naphthylacetate, 0.1% of sodium indolebutyrate, 0.5% of paclobutrazol, 6% of quartz, 3% of polyvinyl alcohol, 6% of triphenylvinyl phenol polyoxyethylene ether phosphate, 1% of alkyl aryl polyoxyethylene ether sulfate, 2% of phenolic resin and 100% of filler complement.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 12mm in the step (3); and (4) the thickness of the core layer wrapping layer is 3 mm.
Example seven: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.05% of compound sodium nitrophenolate, 0.03% of α -sodium naphthalene acetate, 0.06% of sodium indolebutyrate, 0.1% of paclobutrazol, 5% of white carbon black, 4% of soybean lecithin, 5.5% of alkylphenol polyoxyethylene ether sulfonate, 3% of fatty alcohol polyoxyethylene ether, 0.5% of shellac and the balance of filler to 100%.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 15mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 3.5 mm.
Example eight: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
0.06% of brassinolide, 0.01% of sodium indolebutyrate, 0.03% of paclobutrazol, 5% of light calcium carbonate, 7% of starch, 6% of sodium hydroxymethyl cellulose, 5% of alkylphenol polyoxyethylene, 3% of sodium alginate and the balance of filler to 100%.
2. The preparation method comprises the following steps:
preparing the core layer into 17 mm-diameter particles in the step (3); in the step (4), the thickness of the core layer wrapping layer is 4 mm.
Example nine: rice growth promoting and controlling agent and preparation method thereof
1. A rice control promoter comprises the following components in percentage by mass:
2% of compound sodium nitrophenolate, 0.4% of α -sodium naphthalene acetate, 0.6% of sodium indolebutyrate, 1.2% of paclobutrazol, 0.8% of uniconazole, 3% of white carbon black, 7% of soybean protein, 6% of sodium lignin sulfonate, 6% of alkyl naphthalene sulfonate, 3% of carboxymethyl cellulose and 100% of filler.
2. The preparation method comprises the following steps:
preparing the core layer into particles with the diameter of 20mm in the step (3); in the step (4), the thickness of the core layer wrapping layer is 5 mm.
Example ten: test for Release Rate of plant growth retardant As an active ingredient of agricultural chemical
2g of the rice regulatory agent sustained-release granules of example 6 and 0.5% of conventional paclobutrazol were weighed out as granules of comparative example 6, placed in beakers, respectively, and 1000ml of distilled water was added thereto, respectively, 10ml of water was taken out after 1, 2, 3, 4, 5, 7, 10, 20, 35, 45, 55, and 65 days, respectively, and the concentration of paclobutrazol released from the preparation into the water was analyzed by high performance liquid chromatography. The results are shown in Table 1.
TABLE 1 comparison of release rates of granules from example 6 and comparative granules
Table 1 shows: after 7 days, when the concentration of the conventional paclobutrazol granule in comparative example 6 released into water is 9.85mg/kg, the concentration of the rice regulator sustained-release granule in example 6 of the present invention released into water on 7 days is only 2.02mg/kg, and the concentration released into water on 55 days reaches a peak value of 9.93mg/kg, which exactly conforms to the growth rule of rice, so that paclobutrazol can exert a larger and more reasonable effect, and the early growth tillering of rice cannot be affected by inhibiting rice in advance.
Example eleven: field test
1. In different areas, the field tests were carried out using example 3 as an example.
Treating the medicament: the configuration was as in example 3.
Control agents: the active ingredients are prepared into granules according to the example 3, and the difference from the example 3 is that the active ingredients are directly mixed, crushed and granulated according to the conventional method in the market without preparing a core layer and coating.
The experiment was set up for 2 treatments, 3 replicates, and the blocks were randomized.
Treatment 1: example 3, the results were repeated for field 1, field 2 and field 3.
And (3) treatment 2: the reference drug is repeated to be field 4, field 5 and field 6.
The test varieties are: the local conventional rice variety is sowed in 2016 for 4 months and 7 days, and the seedling transplanting period is 2016 for 5 months and 16 days.
The application method comprises the following steps: broadcasting on the transplanting day.
Investigation time: root system and tiller number are investigated in the 6 th and 6 th days in 2016, and plant height, mu effective spike number, spike grain number, spike length, thousand grain weight, mu yield and other indexes are investigated in the 18 th and 7 th days in 2016.
The cell area is 24m2(6 m × 4 m), the cultivation density is 6.7 ten thousand plants per mu, and the specific growth period is shown in table 2:
TABLE 2 date of rice growth period
2. Influence of test on rice green turning speed
Transplanting the rice in 5 months and 16 days, and observing the green turning interval of the rice treated differently after transplanting (taking the turning beginning of new leaves growing from 50% of plants in a cell). The effect of the treatment and control groups on the date of rice green return is shown in table 3:
TABLE 3 Rice Return date of treatment and control groups
The result shows that the rice treated by the granules in the embodiment 3 of the invention turns green 2-3 days earlier than the control, which shows that the granules can promote the rapid rooting of the rice, turn green in advance, improve the low-order tillering rate and lay a foundation for improving the effective tillering rate later.
3. Effect of the test on the tillering Property of Rice
The rice tillers and root growth in the treated and control zones are shown in table 4:
TABLE 4 tillering and root growth of rice in the treatment and control areas
As can be seen from table 4, the granules of example 3 of the present invention have an effect of promoting rice tillering and root growth, and when tillering stops, the tillering growth rate is 22.08% higher than that of the control, and the root number growth rate is 18.29% higher than that of the control, which indicates that the granules of this embodiment have an obvious effect of promoting tillering compared with that of the control, and simultaneously increase the number of roots, so as to enhance and prevent the root lodging phenomenon of rice caused by root problems.
4. Influence of test on economic characters and yield of rice
As shown in table 5:
TABLE 5 influence of the test groups on economic traits and yield of rice
As can be seen from Table 5, the treatment groups are superior to the control group in plant height, mu effective spike number, thousand kernel weight, spike length and yield, which shows that the invention has outstanding effects on controlling plant height, preventing lodging, increasing effective tillering and improving yield compared with the conventional medicament, so that all components can be effectively exerted, mutual inhibition is reduced, and the growth of rice is orderly regulated, thereby improving yield.
5. Conclusion
The rice slow-release type control promoter provided by the invention is superior to a contrast in the aspects of promoting root growth, accelerating rice green turning, increasing effective tillering, controlling plant height to prevent lodging and improving yield, and shows that the method provided by the invention can improve the utilization rate of each component, reduce the mutual inhibition of each component, simultaneously release the components according with the growth rule of rice, and has obvious help for improving the yield of rice.
While the present invention has been described in detail with reference to the drawings and the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention, and a plurality of specific embodiments are formed, which are common variation ranges of the present invention, and will not be described in detail herein.
Claims (8)
1. A preparation method of a rice control promoter is characterized by comprising the following steps:
(1) preparing an adsorption carrier: drying, crushing and uniformly mixing the adsorption carrier;
(2) spraying the plant growth retardant solution on an adsorption carrier, stirring and drying for later use;
(3) preparing a core layer: spraying a binder, a dispersing agent and a wetting agent solution on the carrier prepared in the step (2) to prepare core layer particles, and drying for later use; the diameter of the core layer is 0.2-25 mm;
(4) preparing a sustained and controlled release coating layer: spraying a liquid binder and a coating on the core layer particles in the step (3), and drying to obtain a slow-release particle core layer; the thickness of the sustained and controlled release coating layer is 0.01-8 mm;
(5) preparing an outer coating layer: spraying a plant growth promoter, a rooting agent, a binder, a dispersing agent, a wetting agent and a filler solution on the slow-release granule core layer obtained in the step (4), and drying to obtain granules;
the percentage of each component in the total weight of the granule is as follows: 0.01-3% of plant growth retardant, 0.01-4% of plant growth promoter, 0.01-1% of rooting agent, 2-8% of binder, 1-7% of dispersing agent, 1-8% of wetting agent, 2-10% of adsorption carrier, 0.01-5% of coating and 100% of filler.
2. The preparation method of the rice growth retardant according to claim 1, wherein the plant growth retardant is at least one of prohexadione calcium, paclobutrazol, uniconazole and chlormequat chloride, the plant growth promoter is at least one of compound sodium nitrophenolate, brassinolide and diethyl aminoethyl hexanoate, and the rooting agent is at least one of α -sodium naphthaleneacetate, indoleacetate and indolebutyrate.
3. The method for preparing a rice control agent according to claim 1, wherein the binder is at least one of soybean lecithin, gelatin, polyvinyl alcohol, polyethylene glycol, soybean protein, dextrin, rosin, and starch.
4. The method for preparing a rice control agent according to claim 1, wherein the dispersant is at least one of tristyrylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether sulfonate, naphthalene sulfonate, sodium or calcium lignosulfonate, sodium carboxymethylcellulose, and polyoxyethylene polyoxypropylene ether block copolymer.
5. The method for preparing a rice control agent according to claim 1, wherein the wetting agent is at least one of alkylaryl polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether and alkyl naphthalene sulfonate.
6. The method for preparing rice control promoter as claimed in claim 1, wherein the adsorption carrier is at least one of bentonite, diatomite, white carbon black, light calcium carbonate, clay, quartz, pumice, vermiculite, perlite, or nano material.
7. The method of claim 1, wherein the coating material is at least one of paraffin, ozokerite, beeswax, collodion, cellulose acetate phthalate, xanthan gum, gelatin, gum arabic, polyvinylpyrrolidone, magnesium aluminum silicate, polyvinyl alcohol, phenol resin, shellac, carboxymethyl cellulose, ethyl cellulose, methyl cellulose, and sodium alginate.
8. The method for preparing the rice growth regulator according to claim 1, wherein the filler is at least one of macroelements of nitrogen, phosphorus and potassium, secondary and trace elements of silicon, zinc and boron, humic acid and amino acid.
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| CN108935457A (en) * | 2018-07-26 | 2018-12-07 | 广西田园生化股份有限公司 | Application and method that controlled release pesticide as matrix is prepared using beeswax of the beeswax in realizing controlled-release pesticide |
| CN110663308A (en) * | 2019-09-30 | 2020-01-10 | 海南天道种业有限公司 | Efficient germination accelerating and seedling raising method for rice seeds |
| CN111066412B (en) * | 2020-01-07 | 2021-11-16 | 大湖水环境治理股份有限公司 | Aquatic plant seed particles, production method and granulation equipment |
| CN111657288A (en) * | 2020-07-18 | 2020-09-15 | 江西鑫邦科技有限责任公司 | Pesticide composition containing brassin, indolebutyric acid and plant resistance inducer |
| CN112674099A (en) * | 2021-01-13 | 2021-04-20 | 江西华威科技有限公司 | 28-high brassinolide and indoleacetic acid mixed crop growth regulator or pesticide and application thereof |
| CN113142200A (en) * | 2021-04-20 | 2021-07-23 | 郑州先利达化工有限公司 | Indolebutyric acid-paclobutrazol granule and preparation method thereof |
| CN114698633B (en) * | 2022-04-11 | 2023-06-20 | 山东汤普乐作物科学有限公司 | Granules containing uniconazole and preparation method thereof |
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| TW201036541A (en) * | 2002-05-13 | 2010-10-16 | Sumitomo Chemical Co | Sustained releasing agrochemical preparation and method for controlling paddy rice disease and pest injuries using the same |
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| TW201036541A (en) * | 2002-05-13 | 2010-10-16 | Sumitomo Chemical Co | Sustained releasing agrochemical preparation and method for controlling paddy rice disease and pest injuries using the same |
| CN102701858A (en) * | 2012-06-15 | 2012-10-03 | 郑州郑氏化工产品有限公司 | Regulator composition for controlling vigorous growth, resisting lodging and increasing yield of rice |
| CN106259355A (en) * | 2016-08-19 | 2017-01-04 | 郑州农达生化制品有限公司 | A kind of Oryza sativa L. promotees prosperous dose of root control |
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