3765results about "Seed coating/dressing" patented technology

A planting machine for delivering liquid pesticides to the soil mixing zone preceding the furrow closing mechanism to effectively distribute liquid pesticide throughout soil covering seed in a furrow. The planting machine has a furrow opening mechanism, seed dispensing means, and furrow closing mechanism and includes a seed positioning means mounted on the seed dispensing means for effectively locating seeds in the furrow. Also, the planting machine includes means for liquid pesticide spray delivery mounted thereon so as to direct a spray towards the furrow closing mechanism and into the soil mixing zone being created by the furrow closing mechanism. The means for spray delivery can be mounted on the conventional seed positioning means as well as independently mounted on the planting machine.

An object of the present invention is to provide a bactericide (and a fungicide) that is highly safe and has strong bactericidal power even when used in low concentration, and that can be used repeatedly in a sterilizing process.The object can be achieved by the bactericide (or the fungicide) comprising a polar solvent extract of leaves of eucalyptus plants and chitosan. The polar solvent is preferably chosen from the group consisting of lower alcohols and glycols.

A seed coating to facilitate the binding of an bioactive ingredient, such as an insecticide or fungicide, to seed and allowing for the flowability of the coated seed during planting comprising a binder, a wax, a pigment, and one or more stabilizers in an amount effective to stabilize the suspension. A process for coating the seeds and the product of the process are also disclosed.

The invention discloses a seed coating agent specially used for direct seeding rice, which is characterized in that the seed coating agent mainly contains the following ingredients by weight: 2 to 8 percent of super absorbent resin, 1 to 5 percent of oxygenates, 0.1 to 0.5 percent of sparrow and rat destruction agent , 0.5 to 2 percent of bactericide, 0.5 to 2 percent of pesticide, 0.02 to 0.2 percent of plant growth regulator, 3 to 10 percent of trace element fertilizer and the margin is special type mineral clay. The powder raw materials are crushed to more then 100 meshes and are mixed evenly, the mixture is coated on the surfaces of rice seeds by a seed-coating method for direct sowing, thus clay sacculus integrating 'a small water reservoir, a small oxygen reservoir, a small drug storage and a small fertilizer storage' are formed around the rice seeds and at the roots of seedlings; the seed coating agent has the effects of preserving and providing water, ventilating and providing oxygen, promoting seedling emergency, preventing diseases and killing pests, preventing mice and destructing sparrows, strengthening seedlings and roots and increasing production. The seed coating agent is also characterized by low dosage, low cost, simple and convenient operation, and the like, thereby being applicable to coating rice seeds which are directly sowed both on flooded paddy fields and dry paddy fields.

Device for producing a pourable product with a guide vane therein and method for using the device. The device includes a rotor chamber in which a rotor is arranged with a vertical rotor axis. The rotor has, at least in its radially outer third, the shape of a conical shell. Guide vanes for circulating starting materials or the product are arranged statically on an inner wall of the rotor chamber above the plane of the upper edge of the rotor. The guide vanes have, in cross section to the rotor axis, essentially the shape of a segment of a circle or spiral. The inner ends of the guide vanes lie approximately in the middle part of the rotor radius. The conical shell may have at least partially sheet-like gas passages in the form of perforations or screens. The device is used for producing pourable products.

Systems and methods are disclosed for dispensing fluids. The systems can include a sensor operable to detect when an object passes a first location as the object moves to a second location. The systems can also include a fluid dispenser operable to dispense fluid at the second location. In addition, the systems can include a control unit in communication with the sensor and the fluid dispenser. The control unit can receive information from the sensor that the object has passed the first location and to control the fluid dispenser to dispense fluid at the second location at a predetermined time after the object passes the first location.

A process for coating seed which comprises applying a mixture comprising a particulate solid and a binder; then a singulating substance; then drying the seed to a point wherein the seeds are substantially separated one from another. Also a coated seed wherein the coating comprises a first layer which comprises a binder and a particulate solid, a second layer which comprises a singulating substance, and a third layer which comprises at least one member selected from the group consisting of a biological material and a phytoprotection product.

Dry stabilizing compositions for bioactive materials include sugars and hydrolyzed proteins, and may be formed into tablets or other forms providing enhanced stability for the bioactive material. Compositions containing the bioactive materials may be produced by a method that includes (a) combining the bioactive material with other ingredients in an aqueous solvent to form a viscous slurry; (b) snap-freezing the slurry in liquid nitrogen to form solid frozen particles, beads, droplets or strings; (c) primary drying by water removal under vacuum of the product of step (b) while maintaining it at a temperature above its freezing temperature; and (d) secondary drying of the product of step (c) at maximum vacuum and a temperature of 20° C. or higher for a time sufficient to reduce the water activity to below 0.3 Aw.

The present invention is directed to improved seed coatings which facilitate fall or early spring planting while maintaining seed dormancy until soil temperatures are appropriate for successful germination. The improved seed coatings contain encapsulated phase change materials within a polymeric shell which preserve the dormancy of the seed during early planting by slowing the rate at which the seed temperature rises in the event of a temperature spike thus preventing premature germination. The encapsulated phase change material is a material characterized by a solid / liquid or liquid / solid phase change which occurs at a temperature which ranges from about −5 to about 20° C., preferably between about 0 to about 19° C., most preferably between about 5 to about 15° C. The solid / liquid or liquid / solid phase change is further characterized by an effective enthalpy of fusion / crystallization for the solid-liquid / liquid-solid phase change equal to or greater than 20 J / g when determined by Differential Scanning Calorimetry.

Provided is a bletilla striata rapid propagation seedling cultivation method. Fermented bark and a mixture of humus and river sand serve as a base material, the base material is laid on a seedling cultivation vessel, 1-2 layers of gauze is laid on the base material, water is poured to soak the base material, bletilla striata seeds are sown on the gauze, a transparent plastic film is utilized to wrap the seedling cultivation vessel, and the seedling cultivation vessel is placed in an artificial intelligent cultivation box to grow seedlings and strengthen the seedlings. The bletilla striata rapid propagation seedling cultivation method breaks through a traditional corm planting and cultivation mode of bletilla striata, the quality degeneration problem existing in vegetative propagation is resolved, and a new path is created for sexual propagation seedling cultivation of the bletilla striata genus of orchidaceae. The bletilla striata rapid propagation seedling cultivation method is simple in operation, low in cost and short in seedling cultivation period; the germination rate reaches up to 90%, the planting percent is 70%-80%, and good practical popularization significance is provided for large-scale propagation seedling cultivation of the bletilla striata.

The invention discloses a rice slow-release fertilizer and a preparation method thereof. The rice slow-release fertilizer comprises the following raw material components by weight: 25-40 parts of compound bacteria, 500-600 parts of an organic material, 800-1200 parts of an inorganic material, 100-150 parts of a fertilizer core, 20-30 parts of trace elements, 120-150 parts of additives, 70-80 partsof cellulose and 2500-3500 parts of a solvent.

A method of preventing damage to the shoots and foliage of a plant by a pest includes treating a seed having an exogenous gene that encodes for the production of a protein having activity against European corn borer or corn root worm with a composition comprising at least one pyrethrin or synthetic pyrethroid that is selected on the basis of having an activity against an insect other than European corn borer or corn root worm. Treated seeds are also provided.

The invention relates to a suspension seed coating which comprises an insecticide and a bactericide. In the suspension seed coating, active ingredients with insecticidal and bactericidal activity exist in a microcapsule. After the seeds coated by the microencapsulated seed coating are sown, the active ingredients can be slowly released, thus prolonging the effect lasting period of the active ingredients.

A method of dressing seeds is disclosed. The method utilizes a seed treatment slurry which is applied to seed by subjecting the seed and seed treatment slurry to a dual asymmetrical centrifugal mixing motion. The method provides uniformly dressed seeds and is suitable for dressing small seed lots.

The invention discloses a drought-resistant energy crop seed pelleting agent, a preparation method and a using method thereof. The seed pelleting agent comprises the following components: straw powder or overrotten organic matter, a plant growth regulating substance, a water absorbent resin, a filler, an adhesive, an insecticide, a bactericide, urea and monopotassium phosphate. The method for seed pelleting comprises the following steps of: 1) spraying an adhesive water solution on the surfaces of drought-resistant energy seeds evenly; 2) mixing the drought-resistant energy seeds of which the surfaces are the adhesive water solution and a pelleting agent for coating; and 3) repeating the step 1) and the step 2) until the diameters of the seeds meet the requirement. The invention breaks the traditional idea that the pelleting agent absorbs water in soil of a plough layer, establishes a theory of absorbing water before the sowing and sowing after the germination acceleration, and realizes the aim that the pelleting agent can absorb the water before the sowing after the coating, does not disperse after the water absorption, has good expansibility, ensures that the seeds germinate in the palleting agent and can adopt mechanized sowing by adding crop straw powder or the overrotten organic matter which is rich in water absorption expansibility into the components of the pelleting agent.

In one aspect, a system for providing seed-specific placement of fluid as seeds are planted by a planter is disclosed. The system may generally include a seed meter configured to dispense seeds into a furrow at a seed frequency and a nozzle assembly configured to spray the seeds dispensed into the furrow. The nozzle assembly may include a valve. In addition, the system may include a controller communicatively coupled to the valve. The controller may be configured to determine the seed frequency of the seed meter based on a speed-related parameter of the planter. The controller may also be configured to control the operation of the valve based on the seed frequency such that a metered amount of fluid is sprayed at least one of on or adjacent to each seed.

The invention provides seed treatment compositions as well as their use, methods for treating seeds, methods of protecting plants against pests and also treated seeds and plants. In one embodiment there is provided a method of treating a seed with a seed treatment composition to induce a plant resistance mechanism against one or more pests in a plant grown from said seed.

The invention discloses a plant growth soil culture medium, which is composed of the following materials in percentage by weight: 30-32% of clay, 35-38% of organic matter, 19-25% of plant fiber, 3-6% of stabilizing agent, 0.035-0.085% of aggregate agent, 2% of fertilizer, 36-45% of clean water and 0.9-3.3% of seed. The invention also discloses a preparation method of the plant growth soil culture medium. The plant growth soil culture medium has the advantages of stable soil aggregate structure, water retention, fertilizer retention and good air permeability, and is suitable for plant growth. The preparation method is novel and convenient and has low consumption and operability.

The present invention provides means and methods for simple and efficient introduction of foreign genetic material into the plant cell. Particularly, the present invention combines seed priming and virus-based DNA constructs for efficient introduction of heterologous DNA into plants.

One or more agricultural active ingredients (such as fungicides or insecticides) are entrapped in polymeric matrixes to form particles having a diameter in the range from about 0.2 to about 200 microns. The particles are applied to soil, to seeds, or to plants and release the active ingredient(s) at a rate sufficiently low to avoid phytoxicity but at a rate sufficiently high to provide effective amounts of the active ingredient(s), preferably throughout the growing period of the plant.

The invention discloses a multifunctional composite seed coating agent, which is a crop seed treatment agent prepared by mixing active ingredients such as pesticides, fertilizers, plant growth regulators and the like with inactive ingredients such as film forming agents, emulsifying agents, dispersing agents, anti-freezing agents, defoaming agents, antiseptic agents, PH value regulators, pigments and the like. The invention not only can effectively prevent and control plant diseases and insect pests in the seedling stage but also can promote and control seedling growth, ensures that seedlings grow regularly and luxuriantly with multiple tillers, and obviously improves the seedling survival rate. The traditional method can be used for soaking coated seeds in flowing water to accelerate germination for carrying out water breeding, dry breeding or direct seeding, and the coated seeds can be stored safely.

Compositions for and method of degrading organic chemicals in soil. The composition is a nutrient medium serving as a substrate for micro-organisms in the soil, preferably containing a major proportion of a source of carbon skeleton and energy, a macronutrient component preferably including nitrogen and other macronutrients, and a micronutrient component, preferably also a complexing agent and a vitamin / co-factor component. This nutrient material is added to soil, e.g. soil contaminated by a pesticide, to cause proliferation of micro-organisms which are effective, or which develop effectiveness to degrade the organic chemicals. Preferably the micro-organisms are those naturally present in the soil but useful micro- organisms may be added with the nutrient medium.