Composition for prolonged delivery of biologically active ingredient to seeds and plants and uses thereof

FIELD: agriculture.

SUBSTANCE: claimed composition contains polymer matrix and hydrogen peroxide (HP) as active ingredient dispersed therein. Polymer matrix comprises of polyvinyl pyrrolidone (PVP) with molecular mass of 25000-300000 dissolved in water in concentratio of 1-2 %. HP:PVP mass ratio in composition is 1:29-1180. Also disclosed is method for using of said composition by application thereof on seeds in amount of 0.3-0.5l per 1 kg of seeds followed by drying to quick state.

EFFECT: environment friendly composition and simplified method for production thereof.

2 cl, 9 ex, 9 tbl

 

The invention relates to agriculture, namely, compositions for prolonged delivery of the active ingredient to seeds and plants, and to methods of treatment of seeds and plants such compounds, and can be used in agriculture and private household sector to improve yields and product qualities of different cultures, as well as to increase the frost resistance of plants.

Most formulations with active ingredients such as plant growth regulators, various biocides, fertilizers, and others, are either seeds or plants at the beginning of the vegetation period, and to maintain the effectiveness of the drug for a long period of time use and formulations in which the active ingredient is distributed in the polymeric matrix, which provides a gradual flow of active ingredient to seeds and plants (see, for example, RU 2243657, 01N 25/10, AS 1/06, A01N 25/32, 10.01.2005; EN 2130723, A01N 25/08, A01N 25/10, A01N 25/14, 27.05.1999; US 5725869, NCI 424/401, MKI AC 9/52, 10.03.1998; US 4172119, NCI 424/419, MKI AC 9/50, A01N 9/00, 23.10.1979; US 4915947, NCI 424/408, MKI A01N 25/34. B01J 13/02, 10.04.1990).

A disadvantage of the known compositions and means is used as the polymer matrix of the polymer, inhibiting the germination of seeds, which requires the introduction of large quantities of drugs growth stimulants. In addition, many used investigasto polymers toxic to seeds and soil flora.

Closest to the proposed invention is a composition for prolonged delivery of the active ingredient to seeds and plants and the method of application of the composition described in patent RU 2203547, A01N 43/653, A01N 25/10, 10.05.2003 (prototype).

In this patent proposed structure representing microparticles having an average diameter of 0.2-200 μm, obtained from the solution of the polymer and the active ingredient in an organic solvent. The active ingredient is a fungicide, a plant growth regulator, a nutrient for plants or their combination. Microparticles contain from 1 to 50% by weight of the active ingredient (preferably 15-50%), distributed in the polymeric matrix. Method of making a composition comprises the following stages: 1) the dissolution of the active ingredient and polymer (selected from the group comprising polymethyl methacrylate, polylactic acid, copolymers of lactic and glycolic acids, acetylbutyrate cellulose, polystyrene, acrylic polymer, a copolymer of vinylpyrrolidone and vinyl acetate, and others) in a readily volatile organic solvent (usually methylene chloride, chloroform or CCl4) with the formation of the hydrophobic solution; 2) mixing the hydrophobic solution and the aqueous medium before the formation of the emulsion; 3) evaporation of the emulsion of an organic solvent; 4) Department of water environment otosurgery particles by decantation or use of the composition in the form of a dispersion of microparticles in the aquatic environment.

The method of applying the composition (described in the mentioned patent RU 2203547) is or in applying the composition to the surface of the soil, or in the furrow or on plants in such quantity that one hectare of sown area accounted for from 1 g to about 10 kg of active ingredient, either in the seed treatment composition so that 100 kg of seed was deposited from 1 g to 500 g of active ingredient.

The main disadvantage of known composition and method of its application, selected as a prototype, is a complex technology of manufacture, and the need to use when receiving toxic chlorinated organic solvents. The disadvantage is that for a polymer matrix composed mainly used hydrophobic water-insoluble polymers, unable to hold in their emptiness the water.

The task of the claimed invention is to provide an environmentally safe and non-toxic composition for prolonged delivery of the biologically active ingredient to seeds and plants that will be easy to manufacture, safe in the manufacture and application and provide a gradual selection of the biologically active ingredient from the polymer matrix in the form of an aqueous solution.

The task of the claimed invention is also developing ways to use the Oia proposed composition, which will provide prolonged delivery of the biologically active ingredient to seeds and plants in an effective amount over a long period of time.

The solution of this problem is achieved by the proposed composition for prolonged delivery of the biologically active ingredient to seeds and plants comprising a polymer matrix and distributed in the polymeric matrix and an active ingredient as an active ingredient contains hydrogen peroxide possessing plant growth and cryoprotective properties of polymer matrix in the composition consists of polyvinylpyrrolidone with MM 25000-30000 dissolved in water at a concentration of 1-2%, while the mass ratio of hydrogen peroxide and polyvinylpyrrolidone is 1:29-1180.

The solution of this problem is offered by way of application of the composition for prolonged delivery of the biologically active ingredient to seeds and plants comprising applying a composition to a seed, which according to the invention, the seeds treated with a composition containing as the active ingredient, hydrogen peroxide, distributed in the polymeric matrix consisting of polyvinylpyrrolidone with MM 25000-30000 dissolved in water at a concentration of 1-2%, while the mass ratio of hydrogen peroxide and polyvinylpyrrolidone 1:29-180, in the amount of 0.3-0.5 l per 1 kg of seeds and dried to a friable state.

As a biologically active ingredient the composition contains a non-toxic and is unique in many respects the plant growth regulator - hydrogen peroxide (PV).

Unlike most of the known plant growth regulators, which are toxic, unsafe for use and adversely affect environmental conditions, PV is environmentally safe and non-toxic high growth stimulator (Corsanico US Environmentally safe plant protection. Bulletin of the RAAS. 1997, No. 2, p.44-47; Apasheva L.M., Komissarov, the Effect of hydrogen peroxide on the growth of plants. WPI. Russian Academy of Sciences, ser. Biol. 1996, No. 5, s-623; Kunavin GA Processing tomato seed with a solution of hydrogen peroxide. Problems of science and production in the context of agrarian reform. Abstracts, Novosibirsk, 1993, p.15-17; RU 2142707, A01N 59/00, 20.12.1999; EN 2172099, A01G 1/00, A01N 59/00, AS 1/00, 20.08.2001). In the book: Usamb, Chesterfield, Ventors "hydrogen Peroxide". M: IL, 1958, s-516, it is reported that for the first time, apply the diluted aqueous solutions of PV for seed treatment before planting to improve germination and rate of germination was proposed by Muller in 1933 for seeds of wheat (U.S. Pat. USA 1927988, 26.09.33, Pat. USA 1962996, 12.06.34), followed up by studies on other plants. In PA inte EN 2253235, A01N 59/00, AS 1/00, A01G 1/00, 10.06.2005 first proposed to use aqueous solutions of PV to effectively stimulate the formation of starch in photosynthesis of higher plants. The essential property of ROS that are important for Russia with risky zones, frequent changes in temperature and frost is cryoprotective ability of ROS detected and investigated in the patent RU 2264070, AS 1/00, A01G 7/00, 20.11.2005, on different crops cultivated plants (both winter and spring).

The efficiency of PV plants due to the unique properties of PV: first, it is a source of oxygen (hydrogen) in photosynthesis, and, in addition, PV decreases the temperature of the freezing of intracellular water (Commissioners, Photosynthesis: physical-chemical approach. M: URSS, 2003, 224 S.; Usamb, Chesterfield, Ventors. The hydrogen peroxide. M: IL, 1958 S. 578).

The disadvantage of using dilute aqueous solutions of PV to promote growth and development of plants or to protect plants from low temperatures is the short duration of contact of the seeds or developed plants with RO.

When creating the proposed composition as the polymer matrix for the binding of PV have been investigated by various water-soluble polymers. The polymers are toxic to soil microflora, were excluded. It was found that some p is the materials have very specific adverse effect not only with respect to PV, but in relation to certain classes of plants. Most suitable in its properties were polyvinylpyrrolidone (PVP), which is characterized by the absence of toxicity, high hydrophilicity and, most importantly, the ability to bind and retain up to 50-60% duty cycle weight (Panarin E.F., Kalinich KK, Pestov D.V. Dokl. Russian Academy of Sciences, 1998, CH, No. 2, s). In experimental study of PVP with different molecular weight, the best option was PVP with MM 25000-30000, soluble in water and capable of forming upon drying of aqueous solutions of elastic and well stick to the leaves and the seed film. When studying the effect of PVP concentration in the composition was found that the claimed limit of 1-2% provides properties of the polymer film, necessary for the gradual delivery of the PV plants. Reduction of the concentration of PVP reduces the thickness of the film and reduces the duration of receipt of ROS in plant tissues, and increasing the concentration leads to a lower stability of the film.

The term "polymer matrix" in the present invention means surrounding material (PVP), which is uniformly distributed molecular active ingredient (PV). Because the proposed composition is an aqueous solution, in addition to PV polymer matrix also contains water molecules, when the drying of the composition, the amount of water in it, reduces energy is camping, and when contact with water is again incremented first polymer film swells and forms a gel, which due to slow diffusion processes is allocated to the active ingredient, in this case an aqueous solution of PV, and further gradual dissolution of the polymer film and the final receipt of ROS in plant tissues.

The proposed composition was prepared as follows: prepare a solution of PV desired concentration: 5·10-4up to 1·10-2M (1,7·10-2-3,4·10-1g/l) (concentration PV above 1·10-2M already exceed physiologically acceptable for plants and the concentration PV below 5·10-4M not effective enough) by dilution with water produced by industry peroxide (usually the concentration of ROS in it 30%.). Next to this solution while stirring add the necessary linkage PVP with MM 25000-30000 to obtain a concentration of 1-2% and the mass ratio of RO:PVP, comprising from 1:30 to 1:1200 (1:29-1180). Dissolving PVP is fast, the composition is immediately ready for use.

The inventive composition can be used for application of seed and plants.

When applying the composition of seeds to 1 kg of seeds add 0.3-0.5 l proposed composition and shaken for 3-5 minutes until the seeds uniform film coating. The decrease in the amount applied is about composition leads to a decrease of the film thickness, and the increase makes the film less stable. Then the seeds are dried under the conditions of the external environment to the bulk state and either seeded or use a convenient time interval, preferably not more than 5-7 days.

Growth stimulating and cryoprotective properties of the claimed composition were tested in the laboratory.

The test objects.

The tests were carried out on plants of several families and different types of germination (aboveground, with removal of the cotyledons, that is the first photosynthetic leaves, and underground without removal of cotyledons). Plants differed also on the properties of the seed surface (smooth, rough etc). All tested plants have practical importance and are widely used in agriculture. The test objects were representatives of the monocotyledonous, cereal, slozhnotsvetovye and dicotyledonous plants, such as:

1. Sorghum - sorghum.

2. Triticum aestivum wheat.

3. Beta vulgaris - beets.

4. Fagopyrum esculentum - buckwheat.

5. Amaranthus lividus candatus - amaranth.

6. Cucumis sativus cucumber.

7. Carthamus tinctorius - safflower.

Test method when applying the composition of seeds was next. Experimental seeds were treated with the proposed structure. Control seeds were treated: 1) 1-2% aqueous solution of PVP (without PV); 2) aqueous solution of PV concentration of 5·10-4-1·10-2M (without PVP); and 3) only in the DOI. After processing the control and experimental seeds were dried in the laboratory to friable state and placed in culture vessels on a multi-wetted filters were either sown in the wet sand and pokasivali at temperature +18...+20°C. analysis of the effectiveness of the proposed composition was performed in several stages: in the control and the experience was assessed value of the root and hypocotyl, the degree of development of education of this sheet, and number of viable plants to a specific point in time of the experiment. For more precise effects tests were specially selected seed lots with low germination.

Example 1.

Safflower seeds, grade Milyutinsky, was treated by the method above. To 100 g of seeds of safflower was added 50 ml of a composition containing PVP with 25000 MM in 1%concentration and ROS in a concentration of 5·10-4M (1,7·10-2g/l), the mass ratio of RO:PVP=1:590. To control the concentration of PVP was 1%, the concentration PV - 5·10-4M Dried to a friable state control and experimental seeds were pokasivali on wet sand at the temperature +18...+20°C. the Results are given in table 1. At all stages of testing at the pilot plant was observed significantly more developed root and hypocotyl. This green leaf appeared to 10th days of the experience, with 12% of live plants and 3% plants treated with a solution of PV (without PVP), in the remaining control options by this time there were plants only with cotyledon leaves.

Table 1
The impact of the proposed structure on the development of plants of safflower.
Option testThe number of living plants, %The number of plants with this worksheet, %
Experienceon the 10th dayon the 10th day
7312
ControlPVP200
PW503
Water200

Example 2 (control).

Safflower seeds, grade Milyutinsky, was treated as in example 1, except that the concentration of ROS in the composition and in the control was 1·10-4M (3,4·10-3g/l), the mass ratio of RO:PVP=1:2900. The results are given in table 2.

Table 2
The influence of the composition with a concentration PV 1·10-4M on the development of plants of safflower.
Variant tested the deposits The number of living plants, %The number of plants with this worksheet, %
Experienceon the 10th dayon the 10th day
506
ControlPVP200
PW352
Water200

Example 3.

Amaranth seeds, variety Kizlari, process, and pokasivali analogously to example 1. To 100 g of seeds were added 30 ml of a composition containing PVP with 30000 MM in 2%concentration and ROS in a concentration of 5·10-3M (1,7·10-1g/l), the mass ratio of RO:PVP=1:118. Control: the concentration of PVP - 2%, concentrated PV - 5·10-3M. the Results are shown in table 3.

Table 3
The impact of the proposed structure on the development of the amaranth.
Option testThe number of living plants, %Plant height, %
Experienceon the 5th dayon the 10th dayon the 10th day
7065120
ControlPVP2523100
PW4540115
Water2522100

Example 4.

The seeds of buckwheat, grade Sakharov, process, and pokasivali analogously to example 1. To 100 g of seeds were added 40 ml of a composition containing PVP with 25000 MM in 2%concentration and ROS in a concentration of 1·10-2M (3,4·10-1g/l), the mass ratio of RO:PVP=1:59. To control the concentration of PVP was 2%, the concentration PV - 1·10-2M. the Results are given in table 4.

Table 4
The impact of the proposed structure on the development of plants buckwheat.
Option testThe number of living plants, %Plant height, %
Experienceon the 5th dayon the 10th dayon the 10th day
6560120
ControlPVP2925100
PW4035115
Water 3025100

Example 5.

The seeds of fodder beet was processed analogously to example 1: to 100 g of seeds were added 50 ml of a composition containing PVP with 25000 MM in 2%concentration and ROS in a concentration of 5·10-4M (1,7·10-2g/l), the mass ratio of RO:PVP=1:1180. To control the concentration of PVP was 2%, the concentration PV - 5·10-4M Dried to a friable state control and experimental seeds were either pokasivali on wet sand at the temperature +18...+20°or laid out on the wet multilayer filters and kept for 15 hours at a temperature of +18...+20°C, then transferred to 20 hours in the freezer with a temperature of -2...-3°With, then kept for 3 hours at a temperature of +3°and landed on the wet sand, where he pokasivali at temperature +18...+20°C. the Results are given in table 5.

Table 5
The impact of the proposed structure on the development of plants beet fodder.
Option testThe number of living plants, % experiment without freezing, theThe number of living plants, % experiment with freezing
Experience on the 4th dayon the 8th dayon the 4th dayon the 8th day
65604030
ControlPVP262286
PW35302015
Water262085

Example 6.

Seeds of wheat cultivar Province, were treated analogously to example 1: to 100 g of seeds were added 50 ml of a composition containing PVP with 30000 MM in 1%concentration and ROS in a concentration of 1·10-2M (3,4·10-1g/l), the mass ratio of RO:PVP=1:29. Control: the concentration of PVP - 1%, the concentration PV - 1·10-2M. Control and experimental seeds were placed on moist sand and placed for 16 hours in a dark chamber at a temperature of +18...+20°C, then kept for 12 hours in a freezer at a temperature of -5°C. Thawing was carried out at a temperature of +3°C for 6 hours, then plants transferred in terms of daylight at the temperature +18...+20°for rearing. On the 10th day hypocotyl and the root in the experimental samples exceeded the length of the control (all control versions) 1.2-1.5 times. The results are given in table 6.

Table 6
The impact of the proposed structure on the development of the plants of wheat variety Province.
Option testThe number of living plants after freezing at -5°With in 12 hours, %
Experienceon the 5th dayon the 10th day
5045
ControlPVP2012
PW2515
Water2012

Example 7.

Seeds of sorghum, variety Perspective, processed analogously to example 1: to 100 g of seeds were added 50 ml of a composition containing PVP with 25000 MM in 2%concentration and ROS in a concentration of 5·10-4M (1,7·10-2g/l), the mass ratio of RO:PVP=1:1180. To control the concentration of PVP was 2%, the concentration PV - 5·10-4M (1,7·10-2g/l). Dried to a friable state control and experimental seeds were placed on wet multilayer filters and 20 hours was kept in a dark chamber at temperature +18...+20°C. Next 15 hours seeds carried in the freezer with a temperature of -1°C, after which podkrashivanie experimental and control seed prod liali at +18...+20° With wet sand. The results are given in table 7. On the 8th day of the experiment, 40% of the surviving plants in the experiment marked the second true leaf, in the control plants with the second true leaf on the 8th day is not detected in all control versions.

Table 7
The impact of the proposed structure on the development of the sorghum plants
Option testThe number of living plants, %Root length, mm
Experienceon the 4th dayon the 8th dayon the 5th day
70654-6
ControlPVP30252-3
PW50303-4
Water30252-3

Example 8.

Seeds of cucumber varieties Vyaznikovskaya processed analogously to example 1: to 10 g of seeds of cucumber were added 5 ml of a composition containing PVP with 30000 MM in 2%concentration and ROS in a concentration of 1·10-3M (3,4·10-2g/l), the mass ratio of RO:PVP=1:590. To control the concentration of PVP was 2%, the concentration is of the RO - 1·10-3M (3,4·10-2g/l). Dried to a friable state control and experimental seeds were placed in moist sand at 20 hours at room temperature, then in the freezer for 5 hours at a temperature of -5°C. Next again repeated culturing for 20 hours at room temperature and for 5 hours at a temperature of -5°C. Then the test and control samples were pokasivali in thermostat in the daytime lighting conditions at +20°C. the Results are given in table 8. When growing seeds of cucumbers without exposure to adverse temperature +18...+20°germination experienced seed and treated with a solution of PV (without PVP) occurred earlier the other two control options, the education of a well-developed this sheet is marked in the experience for 24-36 hour earlier than all control versions.

Table 8
The impact of the proposed structure on the development of plants of cucumbers, grade Vyaznikovskaya
Option testThe number of living plants after two freezing at -5°C for 5 hours, %
ExperienceOn the 4th dayon the 9th day
1510
ControlPVP60
PW102
Water60

Example 9.

Seeds of cucumber varieties of spring were treated analogously to example 1: to 10 g of seeds were added 5 ml of a composition containing PVP with 30000 MM in 1%concentration and ROS in a concentration of 5·10-4M, the mass ratio of RO:PVP=1:590. Control: the concentration of PVP 2%, the concentration PV 5·10-4M the Control and experimental seeds were placed on moist filter and placed in a dark chamber with a temperature of +20°for 22 h, then in the freezer with a temperature of -3°With 18 hours, and then thawed for 4 hours at a temperature of +3°and then pokasivali in thermostat in the daytime lighting conditions at a temperature of +20°C. the Results are given in table 9.

Table 9
The impact of the proposed structure on the development of plants of cucumbers grade spring
Option testThe number of living plants after freezing at -3°C for 18 hours, %
Experienceon the 5th day on the 10th day
4032
ControlPVP107
PW2215
Water96

As already mentioned, the inventive composition can be used for application to plants. Process plant composition can be at any stage of development: seedling, plant cotyledon leaves and Mature plants with true leaves. We have been the treatment of seed leaves of cucumber plants varieties Vyaznikovskaya composition containing PVP with 30000 MM in 1%concentration and ROS in a concentration of 5·10-4M (1,7·10-2g/l), the mass ratio of RO:PVP=1:590. Control plants were treated with PV solution with a concentration of 5·10-4M was Observed accelerate the formation and deployment of this sheet in the experience of up to 1.5 days earlier than in control.

Thus, the above test results show that the proposed composition and method of use provide prolonged contact of seeds and plants with biologically active PV and the gradual admission of ROS in plant tissues, which allows use of the composition for any crops as a growth promoter and plant protection from negative the nutrient temperature. Enough pre-sowing seed treatment or foliar.

1. Composition for prolonged delivery of the biologically active ingredient to seeds and plants comprising a polymer matrix and distributed in the polymer matrix of the active ingredient, characterized in that as the active ingredient it contains hydrogen peroxide possessing plant growth and cryoprotective properties, the polymer matrix consists of polyvinylpyrrolidone with MM 25000-30000 dissolved in water at a concentration of 1-2%, while the mass ratio of hydrogen peroxide and polyvinylpyrrolidone is 1:29-1180.

2. The method of application of the composition for prolonged delivery of the biologically active ingredient to seeds and plants comprising applying a composition to a seed, wherein the seed is treated with a composition according to claim 1 in the amount of 0.3-0.5 l per 1 kg of seeds and dried to a friable state.



 

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Herbicide agent // 2303872

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2 tbl, 7 ex

FIELD: agriculture.

SUBSTANCE: invention describes a composition used in stimulating growth and development of agricultural crops. The composition comprises molybdenum and copper compounds, alkanolamine, water and citric acid taken in the following mole ratio in mixture: molybdenum compounds : copper compounds : citric acid : alkanolamine = 1:(2-8):(1-10):(4-80), respectively, in the following ratio of components, wt.-%: mixture of molybdenum compounds, copper compounds, alkanolamine and citric acid in the mole ratio given above, 0.5-65, and water, the balance. The proposed composition is used for stimulating growth and development of agriculture crops, enhancing their quality and output and can be used for their leaf feeding and for presowing treatment of seeds.

EFFECT: valuable properties of composition.

2 tbl, 7 ex

FIELD: agriculture.

SUBSTANCE: claimed method includes treatment of cereal cultures in from tillering period to starting of stem elongation with environmentally friendly agent, namely electroactivated aqueous anolyte solution whish represents water treated in anode chamber of apparatus for electrochemical activation with positive redox potential of +600 - +700 mV and anolyte consumption of 100-150 l/hectare.

EFFECT: increased plant productivity and decreased disease progression.

1 tbl

FIELD: antiparasitic agents.

SUBSTANCE: invention relates to novel use of zinc sulfide as antitick agent and can be used in agriculture, in gardens, forestry, medicine, textile industry, and also in human protection. Zinc sulfide is used as additive, in particular, to polymer compositions and threads, fibers, filaments, and filament products obtained from these compositions. Agent is introduced into liquid and solid compositions for cleaning and/or treating textile pile surfaces or pierced pile surfaces, in particular tappets and mokets.

EFFECT: expanded resource of antiparasitic agents.

11 cl, 29 tbl, 10 ex

FIELD: agriculture.

SUBSTANCE: invention relates to fertilizer containing high temperature hardened melt of metaphosphoric acid salts of potassium, calcium and magnesium with addition of boron, sulfur, selenium, iron, copper, manganese, zinc, molybdenum, cobalt. Said fertilizer is useful as inducing agent of tobacco sprout resistance to diseases and is introduced into soil before tobacco seeding in amount of 5-15 g/m2.

EFFECT: agent of biological effectiveness and decreased cost.

2 cl, 1 ex, 2 tbl

FIELD: pesticides, chemical technology.

SUBSTANCE: invention describes a method for preparing copper-containing liquid pesticide. Method involves formation of a hardened water-soluble complex copper-borate, its grinding to form granules and dissolving granules in water to obtain liquid pesticide comprising the copper concentration at least 0.20% but not above 1.00 wt.-%. Also, invention describes liquid pesticide prepared by indicated method and a set comprising granules of hardened water-soluble complex copper-borate and letter instructions for preparing the liquid pesticide. Method provides remaining copper in solution in dissolving the hardened complex copper-borate in water.

EFFECT: improved preparing method.

4 cl, 1 dwg

FIELD: pesticides, chemical technology.

SUBSTANCE: invention describes a method for preparing copper-containing liquid pesticide. Method involves formation of a hardened water-soluble complex copper-borate, its grinding to form granules and dissolving granules in water to obtain liquid pesticide comprising the copper concentration at least 0.20% but not above 1.00 wt.-%. Also, invention describes liquid pesticide prepared by indicated method and a set comprising granules of hardened water-soluble complex copper-borate and letter instructions for preparing the liquid pesticide. Method provides remaining copper in solution in dissolving the hardened complex copper-borate in water.

EFFECT: improved preparing method.

4 cl, 1 dwg

FIELD: agriculture, in particular method for increasing of beet yield and sugar content.

SUBSTANCE: seeds are treated by spraying in leaf clamping step with titanium tetrachloride diluted in dimethylsulfoxide (DMSO). Concentration of DMSO is 0.1-2 %; titanium tetrachloride consumption is up to 50 g per 1 hectare of seeds. Ratio of titanium tetrachloride:dimethylsulfoxide is 100-200 l per 1 hectare. Treatment is carried out twice in vegetation period, namely the first treatment is carried out in leaf clamping step and the second one in 15-20 days before harvesting of root crops.

EFFECT: increased beet yield and sugar content.

1 tbl, 1 ex

FIELD: agents for plant protection useful in controlling of plant diseases of viral, bacterial and fungal etiology as well as in controlling of hookworms and arthropods.

SUBSTANCE: claimed agent contains (wt. %): water soluble product of iodine interaction with organic reagent 7-70; organic solvent 2-20; non-ionic surfactant 1-10; and water 1-90. Abovementioned organic reagent represents polyethylene glycol alkyl or alkylphenyl ester; and organic solvent represents ethylene glycol, triethylene glycol or polyethylene glycol. Weight ratio of iodine and organic reagent is from 1:2 to 1:10. As non-ionic surfactant preferably proxanol or oxyethylated alkylphenol based on polymer distillate is used.

EFFECT: simplified agent for plant protection.

3 cl, 3 tbl, 10 ex

FIELD: drug plants breeding.

SUBSTANCE: claimed method includes utilization of manganese salt aqueous solution having concentration of 2.5-100 mM or auxin aqueous solution having concentration of 0.01-0.10 mM as agents to enhance ecdysteroid content in drug plants. Plant is treated with manganese salt aqueous solution having concentration of 2.5-100 mM or auxin aqueous solution having concentration of 0.01-0.10 mM wherein treatment preferably is carried out during one day before harvesting.

EFFECT: drug plants of increased ecdysteroid content.

4 cl, 6 ex

Rodenticide agent // 2289925

FIELD: rodenticides.

SUBSTANCE: invention relates to agents used for control of mouse-like rodents. Rodenticide agent comprises an active substance, attractant, dye, repellent agent for humans and domestic animals and a binding component. Thermoplastic is used as a binding component and agent comprises components taken in the following ratio, wt.-%: active substance, 0.002-10; attractant, 40-85; dye, 0.005-0.05, repellent for humans and domestic animals, 0.001-0.02, and a binding agent, the balance. Invention provides enhancing the mechanical strength of agent at increased temperatures and its moisture resistance. Invention can be used for carrying out the deratization of compartments and in agriculture also.

EFFECT: enhanced effectiveness of agent.

3 tbl

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