3821 results about "Plant roots" patented technology

Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering root structure of plants, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes a polypeptide useful for altering plant root architecture.

A wastewater treatment system includes a vertical flow marsh cell that is adapted to contain media and to support plants having roots extending into the media, the roots and media positioned to contact water flowing downward through the marsh cell during a flooding stage, the media and plant roots providing surfaces to which biofilms can adsorb, the biofilms containing bacteria adapted to adsorb ammonium ions and nitrify ammonium ions to nitrate during an aerated drained phase. The marsh cell is configured to receive water from an outlet of a horizontal wetland that functions essentially anaerobically/anoxically to contain bacteria for transforming nitrate into nitrogen gas. Water to be treated and water exiting the marsh cell outlet are transportable to a wetland inlet, providing dilution of incoming wastewater. Treated water is discharged from the wetland outlet.

A wastewater treatment system includes a tidal, sequential vertical flow marsh cell system having at least three marsh cells in serial forward fluid communication. Incoming wastewater to be treated is channeled to at least the first and a second marsh cell, and a portion of water exiting a final marsh cell, to the first marsh cell surface. Each marsh cell is alternately flooded and drained for enhancing aeration of incoming water and marsh cell contents, which include media and plant roots having biofilms growing thereon, the biofilms including a population of nitrifying and denitrifying bacteria, for achieving substantially simultaneous nitrification and denitrification of the wastewater.

The present invention relates to an apparatus, method, software algorithm and system for evaluating plants for conditions or characteristics. In one aspect, the method can include imaging at least a portion of the plant and evaluating the image for discriminating condition(s) or characteristic(s) of interest. In one example, soybean roots are imaged and the image is evaluated to discriminate between soybean cyst nematode (SCN) cysts and the plant roots to count the number of SCN cysts for the plant. In another embodiment, a plant is illuminated by a ultra-violet radiation selected to cause photo-induced fluorescence of a target, e.g. SCN cysts. The fluorescence emitted is collected and analyzed to discriminate between the target and the remainder of the plant.

The invention relates to plant endogenous bacillus velezensis which is capable of preventing and treating plant diseases and insects and has functions of growth promotion and drought resistance, and application thereof. The preservation number of the Bacillus velezensis E6 provided by the invention in the China General Microbiological Culture Collection Center is CGMCC No. 9665. The strain is separated from a plant root, is rapid to grow, can be rapidly and greatly colonized at plant roots and has ecological niche advantages; the strain E6 not only has an efficient prevention and treatment function on plant soil-borne fungal diseases and is capable of promoting growth of plant root systems and improving drought resistance of plants, but also is capable of damaging formation of pathogenic bacterium bacterial biofilms, is free of drug resistance of bacteria, has relatively good advantages when being compared with other fungicides, is simple in nutrition requirement and low in productioncost, and has good application prospects.

The invention provides a plant enzyme biological fertilizer, comprising the following components: brown sugar, fresh plants or fruits and vegetables and water. The optimized fresh plants or fruits and vegetables are fruit peel, fruit kernels, leaves and roots of vegetables, fresh tree leaves and the like, which are not used or daily discarded by people. Preferably, the weight percentage of the components is 1 to 3 to 10. The plant enzyme biological fertilizer has the advantages of being easily available in materials, and simple in preparation process; household garbage is organically processed; no harmful substance is discharged; the vitality of enzyme is increased by a natural fermentation method; the using effect is excellent; the plants are strong in growth after being sprayed with the plant enzyme biological fertilizer; plant diseases and insect pests can be effectively reduced and prevented; the soil can be fertilized after the filtered residues are buried; the soil is improved; and the plant roots are developed.

An aeroponic growing system, double T-shaped sprayer design and method for cultivating larger plant crops and increasing harvest frequency. The system comprises a series of aeroponic growing units, each of which supports a plant's roots within an enclosure. The enclosure houses a sprayer, an interior volume of plant nutrient solution and a plumbing system for accepting and distributing the aqueous water-nutrient solution. The internal sprayer is a double T-shaped mister that sprays an atomized mist directed from a first set of nozzles onto the plant roots, along with a second set of nozzles directed toward the base of the enclosure to aerate the interior volume of plant nutrient solution. The T-shaped mister provides circumferential coverage of the plant roots, while the aeration of the plant nutrient solution provides an aerated solution that accelerates plant growth through a hybrid process of Nutrient Film Technique (NFT) called a Hyperactive Aeroponic Shallow Water Culture (HAS Culture). Several interconnected aeroponic growing units may be stationed in a parallel grid to provide ample space for rapid growth of crops, while supplying the water and nutrient solution through a network of pipes and tubes between units.

The present invention is generally directed to fusion proteins containing a targeting sequence that targets the fusion protein to the exosporium of a Bacillus cereus family member. The invention also relates to recombinant Bacillus cereus family members expressing such fusion proteins, formulations containing the recombinant Bacillus cereus family members expressing the fusion proteins. Methods for stimulating plant growth and for protecting plants from pathogens by applying the recombinant Bacillus cereus family members or the formulations to plants or a plant growth medium are also described. The invention also relates to methods for immobilizing spores of a recombinant Bacillus cereus family member expressing a fusion protein on plant roots.

A hydroponic plant container with a reservoir of “highly oxygenated” nutrient solution that is the result of continuous direct air injection into the bottom of the reservoir, at a specific range of trajectories, along with continuous Coriolis effect mixing. The highly oxygenated nutrient solution is used to provide a deep water culture for the lower section of the plant roots, to saturate the middle section of the plant roots with fine droplets of the highly oxygenated nutrient solution, and to saturate the growing media and the upper section of the plants roots with a continuous drip of the highly oxygenated nutrient solution.

The invention relates to the technical field of ecological restoration of water environment, and especially relates to a biological and ecological restoration system of eutrophic rivers and lakes. Ecological floating beds are laid along a bank, the water surface coverage rate of the floating beds is 15-20%, and each of the floating beds consists of a floating plate, planting baskets, a planting basket filler, floating bed plants, a nylon net, immobilized microorganism particles, a biological filler and artificial waterweeds. The planting baskets are placed in the planting basket holes of the floating plate, the planting basket filler is arranged in the planting baskets, the floating bed plants are planted in the planting basket filler, the nylon net suspends below the floating plate, the immobilized microorganism particles suspend between plant roots, the biological filler suspends below the nylon net, the artificial waterweeds are planted at the water bottom, and submerged plants are properly planted in a water area with two times in the transparency. The system has the advantages of simple and economic carrier, high strength, good durability, reliable planting, natural water ecological landscape, and engineering water quality improvement; and compared with systems in the prior art, the system focuses on the ecological restoration and construction of river and lake water, realizes the self purification, self regulation and self maintenance of pollutants in a certain concentration range, and is an effective way to improve the water quality without all-basin pollutant interception at the present stage.

The invention discloses a method for conducting afforestation on saline-alkali soil. The method includes the steps of firstly, digging deep planting pits in the saline-alkali soil; secondly, paving two layers of isolating curtains at the bottom of each planting pit and the inner wall of each planting pit respectively; thirdly, arranging filtering layers between each isolation layer and the bottom of each planting pit and between each isolating layer and the inner wall of each planting pit; fourthly, preparing mixed matrix, filling the matrix into the pits and tamping down the matrix; fifthly, planting seedlings; sixthly, conducting maintenance management. According to the method for conducting afforestation on the saline-alkali soil, the difficult problems of lowering the salt content, improving the soil and conducting afforestation on the saline-alkali soil are solved. Through the measures of discharging salt and blocking salt, the salt content in the distribution range of the plant root systems is lowered, the plant root systems are promoted to absorb nutrient and water and discharge salt in a unidirectional mode, and a soil environment which is beneficial to plant growth is created. According to the method for conducting afforestation on the saline-alkali soil, the survival rate and the preserving rate of the seedlings are improved, and the method is low in cost compared with a traditional method for improving the saline-alkali soil by merely paving the salt isolating layers, replacing soil and conducting afforestation, is suitable for the saline-alkali soil afforestation and the plant cover recovery project, and can also be used in the manual construction and the machine and human coordinated construction.

The present invention relates to a method of enhancing growth conditions for plants by growing the plants in soil containing, in proximity to the plant roots, both a phosphorus source and at least two strains of the fungus Penicillium, particularly P. bilaiae, more particularly strains NRRL 50162 and NRRL 50169.

Apparatus and method for improving aeroponic horticulture growing efficiency by delivering air and atomized liquid nutrient to plant roots in a manner that preserves and encourages root hair growth. The disclosed aeroponic system includes a nozzle for varying the particle size distribution and flow rate of an atomized liquid nutrient. In one embodiment, a significant portion of the atomized liquid droplets are less than 30 microns in size.

The invention relates to a carbon fiber wetland type ecological floating bed and an arrangement method thereof, belonging to the field of sewage treatment. The carbon fiber wetland type ecological floating bed comprises a bed body, a biological carbon fiber material, floating bed plants and a wetland tank, wherein the wetland tank is arranged in the bed body; the interior of the wetland tank is filled with a porous light-weight artificial wetland filler; the floating bed plants are planted in the middle of the filler; and the biological carbon fiber material is hung on a suspension rod at the bottom of the wetland tank. According to the carbon fiber wetland type ecological floating bed, the processes of the ecological floating bed, bio-contact oxidation and the artificial wetland are reasonably combined to ensure that sewage is firstly subjected to bio-contact oxidation to degrade most pollutants, then the sewage is intercepted and further degraded through the wetland structure, and finally, through the absorption effect of plant roots, the quality of the sewage is better improve; and meanwhile, the reasonable layout of plants can be used for achieving the purposes of beautifying the environment, improving the ecological diversity and promoting the degradation effect on the pollutants of the whole floating bed system.

The invention discloses a kind of plant root box culture equipment used in rhizosphere oil sample which includes a removable block body and in the block body grip lays two pieces of root room separation mesh piece so it slips the block body into one medial cell and two side cells; at the bottom of block body sets up a guide water board with a hole on it and the locelle irrigation bottom cut locates under the guide water board and at one end of the guide water line locates in the locelle irrigation bottom cut and the other end locates in the cavity of block body through the guide water hole; the side cell sets up a inner lining board slipping in the side cell and the plug board may lay between the inner lining board and the block body and the inner lining board parallels with the center line of the plug board. Adopt the invention's equipment can sampling the different distance oil convenience and accurately.

The invention relates to a microbe soil repairing additive and process for preparation. The process for preparation comprises that liquid microbe fertilizer containing photosynthetic bacteria, bacillus, actinomycete and lactic acid bacteria are absorbed to one or a plurality of natural organic fertilizers as grass peat and zeolite powder or the like, to be mixed proportionally. The invention further relates to the application of the microbe soil repairing additive for repairing soil. The invention can lead useful microbe into soil, uses microbe technique to transfer, absorb, degrade, and convert the contaminant in soil, adjust soil pH value, eliminate soil blocking, and restrain soil-borne disease, thereby improving soil structure, to return soil to original ecologic structure. And the viable bacteria group of the invention is planted in plant root, to quickly grow and deeply insert plant root, thereby improving yield, quality and level of agricultural product, as one ideal fertilizer of organic agriculture, with wide application in agriculture continuous development.

The invention discloses an oligosaccharide-containing foliar fertilizer composite which is characterized in that: the composite comprises oligosaccharide with effective treatment quantity and foliar fertilizer with various elements, wherein the content of the oligosaccharide is 1%-5% of the total weight of the composite; the oligosaccharide comprises chitosan oligosaccharide, sodium alginate oligosaccharide and pectin oligosaccharide; the content of the element foliar fertilizer is 5%-50% of the total weight of the composite; and the element foliar fertilizer comprises at least one of nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, boron, ferrum, manganese, copper, zinc and molybdenum. The composite is applied to field crops, commercial crops and fruit and vegetable crops. The oligosaccharide which can induce plants to resist diseases and promote a root system to grow is introduced into the foliar fertilizer, so that the foliar fertilizer composite can promote the growthand the nutrient absorption of plant root systems, and has a certain control effect for restraining the happening of the diseases.

The instant invention relates to compositions and methods for the control of nematodes and soil borne diseases using compositions comprising high terpene containing oils and one or more surfactants. The invention also relates to methods for increasing the wetted soil volume available for water utilization by plant roots using the disclosed compositions.

The invention relates to a combined restoring method of polycyclic aromatic hydrocarbon contaminated soil, comprising the following restoring steps of: planting lucerne as perennial leguminous plants in the polycyclic aromatic hydrocarbon contaminated soil; inoculating a mixed bacterial inoculum comprising arbuscular mycorrhizal fungi, bacillus and flavobacterium; and meanwhile, adding rhamnolipid as a biosurfactant. By rhizosphere effect generated by plant root exudates, the number and the metabolic activity of soil microorganisms are increased; and by inoculating the arbuscular mycorrhizal fungi, the plant growth is promoted, and the root exudates are increased, thereby increasing the root accumulation of organic pollutants and the number of root soil microorganisms. The inoculated high-efficiency polycyclic aromatic hydrocarbon degrading bacteria use plant root secretions as a carbon source and an energy source and can quickly grow and propagate. The polycyclic aromatic hydrocarbon is stripped from soil grains by the biosurfactant, and the bioavailability and the degradability of the organic pollutants are increased.

An illustrative embodiment of an irrigation system may include a carriage that may move along a predetermined path in a reciprocal manner. The carriage may support one or more exit ports that may be fed nutrient supply by a pressurized delivery arrangement. One or more plant stands may be configured and arranged to straddle the carriage as it moves along the predetermined path. The one or more plant stands may form a chamber into which plant roots may extend, and into which the one or more exit ports may discharge their nutrient supply. The one or more plant stands may include side panels and a cap to reduce infiltration of light and contaminants and to enhance the plant root/nutrient supply interface and absorption rates. The carriage and/or the plant stand(s) may include friction reducing elements that facilitate transverse movement. The carriage and/or the plant stand(s) may be supported by framework.

The invention discloses an ecological floating island and a building method thereof, the island comprises a floating island unit outline border (1), an outline border cover (2), floating-body filler (3), planting cups (4) and planting pipes (5). Under the synergic action of the floating-body filler (3), microorganisms growing on the floating-body filler (3) and plant root systems, optimal biological balance can be established, so that polluted water body can be treated continuously; meanwhile, the ecological floating island of the invention can be suitable for various plants, and crop rotation or interplanting can be carried out to achieve the effects of stereo planting and four-season planting, and treatment effect and landscape effect can be kept all year round; by adopting the planting cups (4) and the planting pipes (5), the workload for building the ecological floating island can be reduced and the survival rate of the cultivated plants is improved; in addition, the ecological floating island of the invention can be assembled in a laminating way, thus improving the pollution control efficiency greatly.

The invention relates to a miniature light-emitting diode (LED) plant factory. In the process of planting agricultural products, growing of plants is often limited by various needed factors. The miniature LED plant factory comprises an LED plant lamp, nutrient solution, a nutrient solution automatic cyclic utilization system, nutrient solution heating and sterilization, planting plate vermiculite substrate for fixing root systems, a temperature control system, a humidity control system, an automation control circuit, software control cultivation procedures of different vegetable planting processes and a temperature and humidity sensor. The LED plant lamp is used as a light source. A miniature water pump is utilized in the nutrient solution automatic cyclic utilization system, three-layer water level is controlled by a liquid valve, and the nutrient solution cyclic utilization system is communicated with a water tank. An electric heater unit is installed in the water tank and used for heating and sterilizing the nutrient solution regularly. The plant root systems are fixed and supplied with nutrient by applying of a vermiculite substrate. Temperature and humidity can be monitored and regulated, and matched control cultivation procedures can be called. The miniature LED plant factory can be suitable for growing of various plants, manpower work quantity is reduced, and lands are saved. The miniature LED plant factory is green, safe, energy-saving, environment-friendly and beneficial for popularization.

The invention relates to a planting method of famous and precious Chinese herb medicine dendrobium officinale, and the method is characterized in that a cultivation bed of a plantation trough with an undulated bottom is established under a certain facility environment, multiple mixed organic matrixes mainly comprising pine bark are paved, a nondestructive planting technology for stretching tissue culture seedling roots is adopted, and scientific and reasonable dendrobium officinale planting method adopting comprehensive cultivation measures such as a photo and temperature control technology, a fertilizer control technology, an insect and harmful organism nuisanceless control technology and a sustainable harvesting technology is adopted in different growth seasons and for different plants according to the biological characteristics of the dendrobium officinale; and due to the adoption of the method, the ventilation, moisture evaporation and moistening functions of a plant root environment can be enhanced, and harmful substances influencing the growth of the plant can be eliminated in time, so that the plant can grow strong, active components are highly concentrated, the resistance is enhanced, a purpose of high yield and excellent quality can be realized, the high yield and stable yield of the dendrobium officinale can be guaranteed, the product quality is excellent, sustainability for harvesting the dendrobium officinale for multiple years can be realized, and super high yield of fresh products about 600kg per Mu every year can be realized after the method is put into production.

The invention discloses bacillus megaterium and an application thereof, and belongs to the field of microorganisms. A plant growth promoting bacterium (bacillus megaterium JX15) is collected in the China General Microbiological Culture Collection Center on Dec.20, 2011, the class name is bacillus megaterium and the collection number is CGMCC No.5622. The bacillus megaterium has the beneficial effects that a strain can produce indoleacetic acid with high yield, can be used for nitrogen fixation and can grow by using sparingly-soluble phosphates as phosphorous sources, so as to improve the utilization rates of fertilizers, promote plant root development and absorption of the fertilizers, and increases the contents of soil mineral nitrogen and available phosphorus; the strain has a good effect on promoting growth of peanuts; the high-yield indoleacetic acid promotes the growth and the development of the peanuts; and the nitrogen and phosphate fertilizer utilization rates of the peanuts are relatively high due to the increasing of the contents of the soil mineral nitrogen and the available phosphorus.