32results about How to "Enhance plant growth" patented technology

The present invention provides a rice plant that shows enhanced growth and increased seed production, which also enables reduction of the use of chemical fertilizers.In the present invention, a nitrogen-fixing endophytic bacterium is isolated from bacteria symbiotically inhabiting natural plants, the isolated endophytic bacterium is artificially proliferated and then artificially inoculated into rice plants, and thus, the nitrogen-fixing endophytic bacteria are allowed to infect to rice plants.

Composite particles are disclosed comprising magnesium oxide, iron oxide, and biochar; and methods of making and using the composite particles. The composite particles may be used to recover solutes including phosphate, nitrate, ammonium, and organic compounds from aqueous solution, and the resulting solute-loaded particles may be used as a fertilizer to enhance plant growth. The composites be used to remove pollutants from agricultural runoff, wastewater, and surface water. The particles possess magnetic properties that enhance their recovery following solute adsorption.

The present invention is directed to an isolated DNA molecule encoding a Xanthomonas campestris hypersensitive response elicitor protein or polypeptide. The DNA molecule that encodes such protein has the following uses: imparting disease resistance to plants, enhancing plant growth, controlling insects on plants, imparting stress resistance, imparting post-harvest disease resistance, maximizing the benefit of or overcoming a yield penalty associated with a transgenic trait, inhibiting desiccation of cuttings from ornamental plants, and promoting early flowering of an ornamental plant. These can be achieved by expression of the hypersensitive response elicitor in transgenic plants. Transgenic plants, plants seeds, and cuttings from such transgenic plants are also disclosed.

Improved agriculturally useful products are provided, including solid materials such as nitrogenous fertilizers (e.g., urea), together with a polycarboxylated polymer selected from the group consisting of a salts of copolymers containing individual quantities of maleic and itaconic moieties. The polymer composition also includes from about 10-60% by weight of an organic drying agent such as a lower alcohol which enhances the quick drying properties thereof. The compositions may also include an amount of boron, and bimodal vinylic polymer made up of quantities of high and low molecular weight (MW) vinylic polymers such as PVA.

The present application relates to agriculture productions system that allows tor the controlled release of beneficial agents into a plant root mass, and more particularly it is beneficial for agriculture production where control of infusion of micro-nutrient, infusion macronutrient, root temperature control agents, nutrients and / or elements are applied to the root root zone of a plant.

A reverse-cutting and opposite-inserting graft method features that the back of scion is cut to become a (30-40)-degree oblique surface, its front surface is cut to form a longitudinal nick reaching xlem, a (30-40)-degree oblique nick and a longitudinal nick reaching xylem are cut on the stock, and the scion is inserted in the stock and fixed to it. Its advantages are high survival rate and high growing speed.

The invention belongs to the field of a plant growth regulator and application of the plant growth regulator, and particularly relates to a composition containing chitosan oligosaccharide and diethyl aminoethyl hexanoate, and the application of the composition in promotion of plant growth and output; the weight ratio of the chitosan oligosaccharide to the plant growth regulator is 1 to (0.01-50); the use amount of the composition is 0.1-20ppm; applicable plants refer to any plants which are directly or indirectly cultured according to the human needs.

The invention relates to the technical field of crop cultivation, in particular to a cultivation method for potato breeder's seeds. The cultivation method includes the steps of rapid propagation of virus-free seedlings, seedling hardening, transplanting, seedling stage management, harvesting and storage. The link of strong seedling culture before transplanting potato tissue culture seedlings is omitted, the inoculum density is increased in the link of rapid propagation of the virus-free seedlings, the inoculum mode is changed, the use ratio of a culture medium is greatly increased, propagation efficiency is improved, power consumption cost and culture space are reduced, and the cost of link of rapid propagation of the potato tissue culture seedlings is reduced; density is reduced in the transplanting link, multi-plant cuttage is carried out, traditional strong seedling transplanting is changed to be weak seedling transplanting, top ends perish after medium weak seedlings are transplanted and survive, apical dominance is broken, plant branching is improved, the number of single plant branches is increased to 2-4 from 1-2, plant growth vigor is improved, and the breeder's seed yield is increased. Meanwhile, the fertilization mode and fertilizer type are improved, so that management cost is reduced, and the yield is increased.

The invention is drawn to plant cell transformation with a nucleic acid construct comprising a prokaryotic ammonium-specific asparagine synthetase, type A, coding sequence, operably linked to a chloroplast transit peptide-encoding sequence, wherein said plant cells also contain a nucleic acid construct comprising a chloroplastic glutamine synthetase coding sequence in antisense orientation. Plant cells containing both nucleic acid constructs, and plants regenerated therefrom, exhibit improved growth characteristics.

The invention discloses a seed selection method for cold resistant and bolting resistant brassica oleracea var. According to the invention, original cabbage excellent self-incompatible line and (male parent) and other cabbages (fertile, female parent) are subjected to hybridization through a castration florescence, progeny is subjected to backcrossing fourth generation through the emasculation florescence, fine spraying is carried out on stigma by warm water with sodium bicarbonate having concentration being 1% at the temperature of 28-32 DEG C at florescence, the substances of the stigma such as callose is broken up, so that self-incompatibility is changed to self-compatibility, and the free pollination by honeybees among the plants at the florescence finally. On one hand, the original parent enables purification and renovation, on the other hand, through multi-generation florescence pollination, the self-incompatibility is reduced, the self-compatibility is enhanced, self-incompatibility is gradually changed to self-compatibility, for the utilization of breeding of a cytoplasmic male sterile line, the breeding efficiency is increased, the disadvantages of self incompatibility and artificial bud pollination required by line breeding can be overcome, at the same time, for the phenomena of multi-year inbred parent property degeneration, such as strong plant growth vigor, less bud abortion rate, large pollen amount, and high setting rate, the method finds a novel method for purification and renovation.

A biologically pure phosphate solubilizing plant growth promoting rhizobacteria (PGPR) XSB375 was isolated from canola rhizosphere and identified as Bacillus firmus is provided herein. The PGPR is capable to solubilize phosphate that enhance plant available phosphorous. The PGPR XSB375 enhances seed germination, early emergence, plant vigor, root and shoot growth, and higher crop yield. This increased crop growth, development and yield is attributed from not only the greater phosphate solubilization making more available phosphorus to plant but also making other essential plant nutrients more available to the plant and the like. The application of this phosphate solubilizing PGPR can be done as liquid suspension or solid materials using onto soil, potting mix, seeds, seed pieces, seedlings, foliage, carrier materials, roots and planting soil.

The invention discloses a special anti-stress foliar fertilizer for Brassica chinensis L., and a using method thereof. The special anti-stress foliar fertilizer for Brassica chinensis L. comprises, bymass, 0.5-2.0 parts of chitooligosaccharide, 2-5 parts of urea, 2-5 parts of potassium chloride, 3-7 parts of ammonium nitrate, 0.5-3 parts of sodium carbonate, 0.05-0.2 part of salicylic acid and 0.2-1.2 parts of glucosan. The anti-stress foliar fertilizer can significantly improve the resistance of the Brassica chinensis L. to drought, ponding and saline soil, and significantly improves the plant growth, the protein content and the yield.

The present invention discloses a method of improving afforestation efficiency using delavaya toxocarpa seedlings in an abandoned land of a rocky desertification area. The method is specifically as follows: selecting the abandoned land of the rocky desertification area as an afforestation area; firstly planting negundo chastetree in the afforestation area, and then planting the delavaya toxocarpa under the crowns of the negundo chastetree. The afforestation survival rate and the growth increment of plants at the earlier stage of delavaya toxocarpa seedling planting are increased under the protection action of the negundo chastetree. Compared with a traditional afforestation method, the method in the present invention employs mixed planting of the negundo chastetree and the delavaya toxocarpa which are common in the rocky desertification area. On one hand, the negundo chastetree is easily available with low transplanting difficulty, and is extremely high in survival rate and short in recovery growth stage; on the other hand, the afforestation survival rate and the growth increment of plants of the delavaya toxocarpa in 1-2 years after the afforestation can also be effectively increased. Test data provided by the applicant indicates that the total increments of the average heights of one-year plants and two-year plants of the delavaya toxocarpa seedlings after the afforestation are 36.1 cm and 116.5 cm, respectively, while that of the conventional afforestation method is only 5.7 cm and 29.1 cm, respectively.

Compositions and methods for improving plant growth are provided herein. Compositions comprise promoter sequences that direct expression of an operably linked nucleotide in a developmentally regulated manner. Polynucleotides, polypeptides, and expression constructs for expressing genes of interest whose expression may improve agronomic properties including but not limited to crop yield, biotic and abiotic stress tolerance, and early vigor, plants comprising the polynucleotides, polypeptides, and expression constructs, and methods of producing transgenic plants are also provided.

Compositions and methods for improving plant growth are provided herein. Polynucleotides encoding ERF transcription factor proteins, polypeptides encompassing ERF transcription factor proteins, and expression constructs for expressing genes of interest whose expression may improve agronomic properties including but not limited to crop yield, biotic and abiotic stress tolerance, and early vigor, plants comprising the polynucleotides, polypeptides, and expression constructs, and methods of producing transgenic plants are also provided.

A plant treatment composition comprising: an aqueous phase comprising a plant nutrient; and an organic phase comprising a substituted urea or substituted thiourea compound, dissolved in an organic solvent; and an emulsifier; wherein the composition is in the form of an emulsion having droplets of the organic phase dispersed in the aqueous phase.

The present invention discloses a method suitable for commercially inducing a corn haploid. The method comprises the following steps: carrying out hybridization of a corn haploid induction line I and a corn haploid induction line II to obtain a progeny recorded as an induction line hybrid, adopting the induction line hybrid as a male parent, carrying out hybridization of the induction line hybrid and a female parent material expected to obtain a haploid to harvest F0 hybridization kernel, and taking the haploid kernel to obtain the corn haploid, wherein the corn haploid induction line I and the corn haploid induction line II are different. Compared with the traditional method, the method of the present invention has the following characteristics that: on the basis of maintaining of a high induction rate, agronomy characteristics of the male parent (induction line hybridization combination) in the haploid induction is substantially increased, and especially a plant growth condition, a pollen disseminating amount, a pollen disseminating duration time, adaptability, resistance, and the like are substantially increased so as to improve haploid induction efficiency, provide a guarantee for efficient haploid induction, and provide possibility for large-scale haploid induction.

The invention discloses a tung cake fertilizer special for peony and a preparation method of the fertilizer. The method is characterized in that squeeze-controlled tung cakes, tung oil, tung shells, phosphorite powder, human and animal urine and biologic humic acids are precisely selected as raw materials, the fertilizer is scientifically prepared according to fertilizer requirement characteristics of different kinds of peony in different growth periods, the fertilizer is formed through curing step by step in a pottery enclosure by means of the traditional technology and the parallel complex multiple fermentation technology, the fertilizer is rich in nitrogen, phosphorus and potassium and contains a large quantity of water-soluble organic matter, carbon (C) fertilizer, active humic acid and medium trace elements, nutritional advantages are outstanding, the fertilizer also has multiple functions of supplementing crop nutrients, increasing the yield, improving the quality, fertilizing soil fertility, making soil healthy, preventing diseases and pests and the like.

The present invention relates to a method of improving the growth of plants selected from the group of amenity trees and forest trees comprising applying to said plants or the locus thereof at least one compound selected from the class of agonists and antagonists of the nicotinic acetylcholine receptors.

The invention discloses a seed and root soaking agent of brassica chinensis and a use method of the agent. The seed and root soaking agent comprises, by mass, 1-3% of acetic acid, 0.5-1.5% of chitosan, 0.5-1.5% of chitosan oligosaccharides, 0.05-0.2% of gibberellin, 0.005-0.012% of bacillus thuringiensis, 0.2-1.2% of brassinolide, 0.1-0.6% of validamycin, 0.1-0.6% of liquid paraffin and the balance water. Seeds are soaked in seed and root soaking liquid, seedling roots are soaked when seedlings are transplanted, and the seed germination rate, plant growth vigor, protein content, yield and virus resistance of the brassica chinensis are all remarkably improved.

The invention discloses a high-survival-rate transplanting method for transgenic cotton regenerated plants. The method includes the steps that rooting seedlings of transgenic cotton regenerated plants are taken out of a culture medium, the culture medium at the roots of the regenerated plants is washed away, the regenerated plants are transferred into a new cultivation container, water is added into the cultivation container to immerse the roots of the regenerated plants for water cultivation seedling hardening, and transgenic plants growing vigorously after water cultivation seedling hardening are transplanted into a medium or soil and cultured until cotton boll opening and maturing. According to the method, in the process of transplanting the rooting seedlings of the transgenic cotton regenerated plants into the medium / soil from the culture medium, the water cultivation seedling hardening step is carried out, the growth vigor and root density of the transplanted seedlings can be improved, and vigorous seedlings can be cultured; the problem that regenerated plants are directly transplanted into a medium / soil from a culture medium, and consequently roots and stems are likely to rot is avoided. By means of the method, the survival rate of the transplanted seedlings reaches 98% or above; besides, the operation method is simple and easy to implement.

The invention discloses a method for improving the seedling planting and afforestation efficiency in a stony desertification region, which specifically comprises the following steps: firstly, selecting an afforestation region, and after seedling planting is completed, constructing an artificial stone ditch which contains seedling planting rows and has certain width and depth by using stones on site and taking seedlings as centers along the seedling planting row direction, a microenvironment suitable for nursery stock growth is created, nursery stock growth is promoted, and the seedling planting and afforestation efficiency is improved. The test result of the applicant shows that the construction of the artificial stone ditch remarkably improves the plant growth (including indexes such as average plant height growth, average base diameter growth and average single plant biomass) of the nursery stock, and effectively improves the seedling planting and afforestation efficiency.

There is disclosed a composition comprising the essential oils bergamot oil, neroli oil and patchouli oil, and optionally a carrier oil and / or water, as well as a method for using the composition to improve plant growth and / or yield. Other embodiments are also disclosed.

The invention discloses a seed selection method for cold resistant and bolting resistant brassica oleracea var. According to the invention, original cabbage excellent self-incompatible line and (male parent) and other cabbages (fertile, female parent) are subjected to hybridization through a castration florescence, progeny is subjected to backcrossing fourth generation through the emasculation florescence, fine spraying is carried out on stigma by warm water with sodium bicarbonate having concentration being 1% at the temperature of 28-32 DEG C at florescence, the substances of the stigma such as callose is broken up, so that self-incompatibility is changed to self-compatibility, and the free pollination by honeybees among the plants at the florescence finally. On one hand, the original parent enables purification and renovation, on the other hand, through multi-generation florescence pollination, the self-incompatibility is reduced, the self-compatibility is enhanced, self-incompatibility is gradually changed to self-compatibility, for the utilization of breeding of a cytoplasmic male sterile line, the breeding efficiency is increased, the disadvantages of self incompatibility and artificial bud pollination required by line breeding can be overcome, at the same time, for the phenomena of multi-year inbred parent property degeneration, such as strong plant growth vigor, less bud abortion rate, large pollen amount, and high setting rate, the method finds a novel method for purification and renovation.

The invention discloses a multifunctional full-crown container seedling transplanting device and a use method, and belongs to the technical field of garden seedling cultivation, the multifunctional full-crown container seedling transplanting device comprises three groups of first components and three groups of second components, the first components comprise underground components, rear bases are fixedly connected in a plurality of butt-joint ports of the underground components, and the rear bases are fixedly connected in the butt-joint ports of the underground components; second reserved bolt openings are formed in the side end faces of the rear bases, a plurality of drainage air holes are formed in the outer arc face of the underground component, and root irrigation drainage holes are formed in the bottom of the underground component. According to the device, a modular combination form is adopted, the structure is simple, operability is high, the device adapts to an existing tree transplanting technology, the water-saving effect and the plant growth effect are improved by changing the physical structure of the container device, seedling roots and soil balls are protected through underground components, damage to the seedling roots in the transportation process is avoided, landscape construction is convenient and fast, and the cost is low. Fixed supporting is formed through combination of the overground structural part and the underground structural part, and secondary construction is not needed to add a tree supporting device.

A synergistic agricultural formula including at least one diacyl or diaryl urea, such as a N,N′-diformylurea, and at least one plant growth regulator. This synergistic agricultural formula gives those skilled in the art the ability to regulate important phenotypical parameters that lead to a variety of important agronomic and horticulture traits which improve crop yield parameters leading beyond that of its individual components.

The invention provides a verticillium will preventing and treating method for promoting growth and development of eggplants. The method comprises the following steps: treating eggplants by using 3600kg / hm < 2 > of 'Wofengkang' bio-organic fertilizer, 600kg / hm < 2 > of Mengdulisanan compound fertilizer and 600kg / hm < 2 > of rare earth calcium superphosphate fertilizer before field planting; after the eggplants of eggplant trees first branch are well set, compounding 75kg / hm < 2 > of 'Wofengkang' guanjunling (compound microbial inoculants) and 37.5 kg / hm < 2 > of 'Wofengkang' guole (water-soluble fertilizer containing calcium and magnesium) to prepare a mineral nutrition balance fertilizer, and performing drip irrigation along with water. The growth vigor of eggplant field plants can be promoted, the quality is improved, and the resistance of eggplants to verticillium wilt is improved.

The invention relates to a grafting method for grafting a scion to an oblique incision inversely cut in a root stock. A conventional scion grafting method adopts obverse cutting and sequential grafting, after grafting, the contact area of the scion and the incision of the root stock is small, the scion is easy to loose, and the survival rate of plants is low. The grafting method disclosed by the invention comprises the following steps of peeling the upper end of the back of the scion into a bevel of 30-40 degrees (namely inverted cutting), and peeling a longitudinal incision which is as deep as a xylem in the ventral surface of the scion; inversely cutting an oblique incision of 30-40 degrees in the upper end of the grafting part of the root stock, and downwards cutting a longitudinal incision which is as deep as the xylem from the oblique incision; during grafting, inserting the scion into the oblique incision of the root stock in a manner that the bevel of the upper end of the scion is outwards, and enabling the longitudinal incision of the scion and the longitudinal incision of the root stock to be closely connected and fixed; and performing management. According to the grafting method, two seam healing surfaces are generated, after grafting, the scion is completely jointed to the root stock, the scion and the root stock are easy to fix, the contact area of the incision is large, and increasing the grafting survival rate and increasing the growth amount of plants are facilitated.