147 results about "Plant propagation" patented technology

The present invention relates to a composition comprising components (A) and (B) as active ingredients, wherein component (A) comprises a Streptomyces and component (B) is a compound selected from the group consisting of sulphur, phosphonate, copper hydroxide, copper oxychloride, bicarbonate, Bacillus sp, Trichoderma sp, aureobasidin A, jawsamycin, kasugamycin, natamycin, a polysaccharide elicitor, a plant biostimulant (PBS) comprising an algal extract, a plant extract and / or vinasse, orange oil, and / or tea tree oil. The invention further relates to a method of controlling or preventing phytopathogenic diseases, preferably phytopathogenic fungi, on a plant or on plant propagation material and / or on harvested food crops, which comprises applying to the plant, on plant propagation material, the locus thereof, and / or on harvested food crops the composition according to the present invention.

The present invention relates to a biopesticidal composition comprising combination of elemental sulphur and at least one biochemical pesticide selected from thymol and eugenol or their derivatives. The invention particularly relates to a biopesticidal composition comprising elemental sulphur in the range of 1% w / w to 90% w / w of the total composition; at least one biochemical pesticide in the range of 0.1% w / w to 30% w / w of the total composition wherein the biochemical pesticide is selected from thymol and eugenol or their derivatives; and at least one agriculturally acceptable excipient in the range of 5% w / w to 98% w / w of the total composition. The composition has particles in the size range of 0.1 micron to 50 microns. The present invention also relates to a method for protecting the plant against pests or diseases by treatment of plant, plant propagation material, locus, parts thereof or the surrounding soil with a biopesticidal composition comprising of an effective amount of elemental sulphur; an effective amount of at least one biochemical pesticide selected from thymol and eugenol or their derivatives and at least one agriculturally acceptable excipient.

A plant propagation composition consisting of an aqueous willow extract with natural indole-3-butyric acid and salicylic acid, a moringa leaf extract, aloe vera gel and coconut water, wherein the pH of the composition is adjusted to 5.5-6.5 and is intended for cold storage to promote adventitious root formation in cuttings.

The invention discloses a radix paeoniae alba stem tip tissue culture and rapid propagation culture medium and a culture method, and belongs to the technical field of plant propagation. The method comprises the following steps: taking a stem tip of white peony root as an explant, carrying out surface disinfection on the explant, generating a callus through the action of an induction culture medium, transferring the callus into a subculture medium, subculturing for 4-5 times, differentiating to generate buds, respectively transferring the buds into a proliferation culture medium when the buds grow to about 2cm, culturing for 35 days, and inducing to generate most cluster buds, and cultivating a complete plant through a rooting culture medium. The culture medium formula provided by the invention can induce and differentiate stem tips of the radix paeoniae alba to generate a plurality of plants, and can be used for detoxification culture and rapid propagation of the radix paeoniae alba.

The present invention relates to the field of plant propagation technology, and in particular to an efficient propagation method for Populus occidentalis. The method uses one-year-old Populus occidentalis branches as cuttings to induce a large number of adventitious buds. These buds are then cut into stem segments and propagated in a micro-cutting device to induce rooted seedlings. After the rooted seedlings grow taller, they can also be cut into segments for further propagation. Compared with conventional hardwood cuttings, this method significantly increases the number of seedlings cultivated, which is three times the number of conventional hardwood cuttings. n times, has a high reproduction coefficient, saves land space used for reproduction, provides technical support for the efficient promotion and utilization of 107 poplar and the genetic transformation research based on field callus regeneration adventitious buds, and has important application value.

The invention relates to a method for applying a seed dressing composition to a falling plant propagation material (K), the method comprising: detecting a free falling plant propagation material by means of a first sensor; -determining a triggering time (ta) and triggering the applicator device (330) to expel the aliquot (D) of the seed dressing composition towards the predetermined material hit zone (T); scanning, by means of a second sensor, a scanning zone (A) in which the plant propagation material is free to fall; and determining whether the plant propagation material (K) is hit by the aliquot sample. The invention also relates to a corresponding application unit (200), an application device (130), a seeding device (100) and a seed feed pipe (210). The seed tube comprises second sensor mounting means (370) for mounting the second sensor arrangement to cover the scanning area (A). The precision, the reliability and the controllability of seed dressing agent application are particularly enhanced.

The present disclosure relates to a fungicidal combination comprising at least one Pyridinyl-ethyl-benzamide fungicide, at least one triazole fungicide, and at least one dithiocarbamate fungicide The present disclosure also relates to a fungicidal composition comprising the fungicidal combination and at least one agrochemically acceptable excipient. Additionally, the present disclosure relates to a method for controlling growth of fungal disease in a plant, the method comprising applying a fungicidal composition comprising the fungicidal combination to the plant, or a locus, or a plant propagation material thereof.

A pesticidal composition comprising (A) chlorantraniliprole, (B) fipronil, (C) metalaxyl or metalaxyl-M, (D) fludioxonil, and (D) difenoconazole, and use of the compositions in agriculture, especially for treatment of plant propagation material.

A method for controlling phytopathogenic pests on cereals, wherein the pest, their habitat, breeding grounds, their locus or the plants to be protected against pest attack, the soil or plant propagation material are treated with an effective amount of a fungicidal mixture comprising, as active components, 1) 1-[2-[[1-(4-chlorophenyl)pyrazol-3-yl]oxymethyl]-3-methyl-phenyl]-4-methyl-tetrazol-5-one as compound I, and 2) one fungicidal compound II selected from [2, 2-bis(4-fluorophenyl)-1-methyl-ethyl]2-[(3-acetoxy-4-methoxy-pyridine-2-carbonyl)amino]propanoate (compound 11-1) and [(1S)-2,2-bis(4-fluorophenyl)-1-methyl-ethyl](2S)-2-[(3-acetoxy-4-methoxy-pyridine-2-carbonyl)amino]propanoate (compound II-2).

The present invention relates to a stable synergistic pesticidal composition capable of protecting plant propagation materials such as seeds, seedlings; and plants / crops from pathogenic fungi and / or insect pests, environmental stress. The present invention also relates to a process for preparation of such stable synergistic pesticidal composition for synergistic and efficacious control of various pests including pathogenic fungi and / or insect pests, which imparts better yield and is environmental and cost friendly.

The invention provides a red and blue lycoris radiata tissue culture method, and relates to the technical field of plant propagation, the method sequentially comprises the steps of explant collection and pretreatment, explant disinfection, induction culture, multiplication culture, strong seedling culture and rooting culture, aiming at different requirements of each culture stage, a low-nitrogen / high-nitrogen adaptive culture medium system is customized, and the culture medium system is used for culturing the red and blue lycoris radiata. According to the method, the hormone proportion is accurately regulated and controlled, functional components such as acidolysis casein, coconut juice and activated carbon are added, meanwhile, culture environment parameters are optimized, an asexual propagation mode is adopted, efficient propagation of the lycoris radiata buds can be rapidly achieved, the problem of activity decline after long-term propagation is solved, the risks of pollution, browning and vitrification are effectively reduced, and the survival rate of the lycoris radiata buds is increased. The robustness and transplanting survival rate of tissue culture seedlings are improved, and meanwhile, stable inheritance of excellent characters of varieties is guaranteed.

The invention relates to a crop nutrition and fortification composition comprising: elemental sulfur in the order of 1% to 90% by weight; one or more water-insoluble or water-soluble iron salts or derivatives or mixtures thereof, wherein the elemental iron content is in the order of 0.1% to 50% by weight; one or more water-insoluble or water-soluble zinc salts or derivatives or mixtures thereof, wherein the elemental zinc content is in the order of 0.1% to 55% by weight; one or more water-insoluble or water-soluble magnesium salts or derivatives or mixtures thereof, wherein the elemental magnesium content is in the order of 0.5% to 50% by weight; one or more water-insoluble or water-soluble boron salts or derivatives or mixtures thereof, wherein the elemental boron content is in the order of 0.01% to 25% by weight; one or more water-insoluble or water-soluble manganese salts or derivatives or mixtures thereof,where the elemental manganese content is in the order of 0.1% to 40% by weight; one or more water-insoluble or water-soluble copper salts or derivatives or mixtures thereof, where the elemental copper content is in the order of 0.1% to 40% by weight; and one or more surfactants in the order of 0.1% to 40% by weight. The composition is presented in the form of water-dispersible granules and liquid suspension, where the compositions have a particle size in the order of 100 nanometers to 5 microns and have a mean particle size diameter distribution of less than 1000 nanometers, and where the total content of the water-soluble salts, derivatives, or mixtures in the composition does not exceed 80% by weight of the total composition. The invention also relates to a process for preparing the nutritional composition and fortifying crops and to a method for treating plants, seeds, crops, plant propagation material,locus, or parts thereof, or soil with the nutritional and fortifying composition of crops.

The present invention provides a method for modulating the alkaloid content of a plant (e.g. a tobacco plant), the method comprising modifying said plant by modulating the activity or expression of Galactose-1-phosphate uridyl transferase. The present invention also provides for the use of Galactose-1-phosphate uridyl transferase for modulating the alkaloid content of a plant, as well as tobacco cells, plants, plant propagation materials, harvested leaves, processed tobaccos, or tobacco products obtainable in accordance with the invention.

The invention relates to the technical field of plant propagation, in particular to an artificial propagation method of saccharum arundinaceum. The breeding method comprises the following steps: S1, preparing a culture medium; s2, preparing a seed treatment agent; s3, seed pretreatment; s4, sowing the seeds; s5, cultivating after sowing; s6, seedling culture; and S7, transplanting the seedlings. By means of the breeding method, the seed germination rate, the survival rate after transplanting and the seedling early-stage growth height of the saccharum arundinaceum are remarkably increased.

The invention relates to an aqueous agrochemical composition comprising (a) suspended particles of an active ingredient; and (b) lignosulfonate. It also relates to the use of lignosulfonate to stabilize an aqueous agrochemical composition comprising suspended particles of the active ingredient. Other objectives include a method for stabilizing an aqueous agrochemical composition comprising suspended particles of an active ingredient; a method for treating, controlling, preventing, or protecting animals against parasitic infestation or infection; a method for preparing the agrochemical composition; and a plant propagation material comprising the agrochemical composition.

The invention relates to an aqueous agrochemical composition comprising (a) suspended particles of an active ingredient; and (b) ethoxylated ricinolein; wherein the active ingredient has a water solubility of at least 1 g / L at 25°C; and wherein the ethoxylated ricinolein contains 35 to 50 molecules of ethylene oxide per molecule of ricinolein in polymerized form. It also relates to a method for stabilizing an aqueous agrochemical composition comprising the suspended particles of the active ingredient; to uses and methods of applying the agrochemical composition; to a method for preparing the agrochemical composition; and to a plant propagation material comprising the agrochemical composition.

Plant propagation trays and tray assemblies are disclosed. A propagation tray may comprise a base having a two-dimensional array of spaced-apart spikes extending from the base. Each spike comprises a central axis with a plurality of curved longitudinal fins arranged about the central axis and extending radially therefrom. A side profile of each fin forms a curved web between the central axis of the spike and the base. In use, the spikes act as support members that receive and support at least a portion of a growing medium plug.

The present invention relates to a method o f combating and / or controlling a pest selected from the Lepidoptera order, which comprises applying to said pest, to a locus of said pest, to a plant susceptible to attack by said pest, or to a plant propagation material susceptible to attack by said pest, a pesticidal composition comprising isocycloseram as active ingredient A, and cartap as active ingredient B.

The invention relates to an aqueous agrochemical composition comprising a) suspended particles of an active ingredient; and b) ethoxylated ricinolein; wherein the active ingredient has a water-solubility of at least 1 g / l at 25° C.; and wherein the ethoxylated ricinolein contains 35 to 50 molecules of ethylene oxide per molecule of ricinolein in polymerized form. It also relates to a method of stabilizing an aqueous agrochemical composition comprising the suspended particles of the active ingredient; to uses and methods of application of the agrochemical composition; and to a method for preparing the agrochemical composition; and to plant propagation material comprising the agrochemical composition.

The invention relates to the technical field of plant propagation equipment, in particular to an intelligent cutting propagation system controlled by negative pressure circulation bottom temperature and a regulation and control method of the intelligent cutting propagation system. The system comprises an external box body, a transparent protective cover, a cuttage medium layer, a supporting net layer, an air separation buffer layer, a water body container, an electric heating device, a negative pressure ventilation system and an intelligent control system. An electric heating device is arranged in the water body container and used for providing stable bottom temperature; a negative-pressure fan and an exhaust pipe are arranged on the side part of the box body and are used for forming a micro-negative-pressure air circulation environment in the box body; an atomizing nozzle and an atomizing water supply device are arranged in the transparent protective cover and used for maintaining proper air humidity. Through the synergistic effect of bottom temperature control, negative pressure air circulation and atomization humidifying, a stable cutting microclimate environment is formed in the device, so that the plant cutting rooting efficiency is improved, and the disease occurrence rate is reduced. The device is reasonable in structure, controllable in environment and suitable for large-scale cutting propagation, potting maintenance and first aid of horticultural plants and nursery stocks.

A method of controlling or preventing pathogenic damage and / or pest damage in a plant propagation material, a plant, part of a plant and / or plant organ, comprising applying on the plant, part of the plant, plant organ, plant propagation material or a surrounding area thereof a phytoprotective agent comprising an enzyme and an insecticide.

The invention discloses a rhododendron dauricum twig cutting propagation method, and belongs to the technical field of plant propagation. According to the method, a complete rhododendron dauricum twig cuttage system is formed through cooperation of cutting slip treatment, matrix bearing, environment regulation and control and final-period management, precisely treated cutting slips take roots in a proper cuttage bed matrix, a greenhouse system provides a stable temperature and humidity environment, continuous growth of seedlings is guaranteed through staged management, and the survival rate of the seedlings is increased. Finally, three core objectives are achieved: firstly, the cuttage survival rate is increased (greater than or equal to 90%), and the problem of low traditional propagation efficiency is solved; 2, good characters of stock plants are stably reserved, and character separation of seed propagation is avoided; large-scale and standardized production of seedlings is achieved, high-quality seedlings are provided for ecological protection, landscape architecture and industrial development, and sustainable utilization of rhododendron dauricum resources is promoted.

The present invention relates to a method for controlling hemipteran or lepidopteran insect pests in crops, said method comprising applying to a plant, a plant propagation material, locus or parts thereof or surrounding soil with the composition comprising a mixture of elemental Sulphur in a concentration range of 1% to 90% by weight of the total composition; Selenium in its elemental form or salts or complexes or derivatives or mixture thereof wherein elemental Selenium content is in the range of 0.001% to 10% by weight of the total composition; and at least one agriculturally acceptable excipients wherein the composition comprises particles in the size range of 0.1 to 50 microns.

The present invention relates to a method of strengthening crops by applying a pesticidal combination comprising at least as active ingredient (I) isoxtolfenpyrad and as active ingredient (II) thiamethoxam to plant propagation material or plant growth locus in any desired sequence or simultaneously.

The invention relates to a plant propagation and breeding technology, in particular to a research on the improvement of the self-compatibility rate of Dendrobium officinale (Dendrobium officinale). The invention points out the optimal concentration and treatment mode for improving the selfing affinity of the dendrobium officinale by using 1-MCP, provides a set of complete dendrobium officinale hybridizing affinity experimental method and scheme, has a better application prospect, does not generate toxic action on plants, and does not pollute the environment. According to the technical scheme, the problem that the self-compatibility rate of the dendrobium officinale is low is solved, the self-compatibility rate of the dendrobium officinale treated by the 1-MCP is increased to 74.51% from 10.26%, the self-compatibility rate of the dendrobium officinale is greatly improved, and the method has important significance for stabilizing the medicinal quality of the dendrobium officinale and creating excellent varieties of the dendrobium officinale.

The invention relates to the technical field of plant propagation, and discloses a method for improving the cuttage survival rate of rhizoma acori graminei rootstocks, which comprises the following steps: selecting and preparing materials, pretreating cuttings, selecting rhizoma acori graminei rootstocks in a good state, a substrate, a disinfectant, an exogenous reagent and experimental water, and performing cuttage operation, namely cutting the rhizoma acori graminei rootstocks into small sections, 2-3 sections are reserved on each section, then the cutting slips are soaked in IAA solutions with different concentrations, and maintenance is conducted after cuttage. According to the method, the rhizoma acori graminei rhizome is adopted for cuttage and is matched with the 3-indoleacetic acid (IAA) with the specific concentration for treatment, and the rooting rate and the emergence rate can be greatly increased. For example, the rooting rate reaches 68% and the emergence rate reaches 70% after treatment with 50mg / LIAA, and compared with a control group (the rooting rate is 40% and the emergence rate is 50%) without treatment with IAA, the breeding efficiency is remarkably improved. Therefore, a large number of rhizoma acori graminei seedlings can be obtained within a short time, the requirements of the market for the seedlings are met, and powerful support is provided for large-scale planting.

The present invention provides a method for modulating alkaloid content in a plant, such as a tobacco plant, comprising modifying the plant by modulating the activity or expression of a peptide containing a HNH endonuclease domain. The invention also provides the use of a peptide containing a HNH endonuclease domain for modulating the alkaloid content in a plant, as well as tobacco cells, plants, plant propagation material, harvested leaves, processed tobacco or tobacco products obtainable according to the invention.

The invention belongs to the technical field of plant propagation, and particularly relates to a propagation method for improving the cutting rooting rate of pueraria lobata, which comprises the following steps: pruning mother branches of pueraria lobata to obtain cutting slips, and disinfecting the cutting slips to obtain disinfected cutting slips; the disinfected cutting slips are treated with a growth regulator, and the cutting slips treated with the growth regulator are obtained; and inserting the cutting slips treated by the growth regulator into a seedbed matrix, and carrying out cuttage culture to obtain pueraria lobata breeding seedlings. According to the method, stems of leguminous plant pueraria lobata are used as raw materials, a cuttage vegetative propagation mode is adopted, and the rooting rate of pueraria lobata cuttage propagation is increased by selecting a plurality of key parameters such as proper types and concentrations of growth regulators and controlling treatment time. Results show that the rooting rate of pueraria lobata cutting propagation can be remarkably increased by using the mixed growth regulator for treatment. The method is simple, convenient, feasible and environment-friendly, can effectively promote the large-scale breeding of the pueraria lobata excellent germplasm material, and has a wide application prospect.

The invention discloses a root-damage-free hard wood cutting breeding method for a special extremely dangerous tree species of Gangxi, and relates to the technical field of plant breeding. By optimizing cutting selection and cuttage time, using a composite rooting accelerant for treatment, optimizing matrix proportion and specifications of two cups (a cuttage cup and a cultivation cup) and adopting a root-damage-free transplanting technology and a nursery stock management and protection technology, the cuttage rooting rate is remarkably increased and is larger than 80%, and the callus formation period is shortened to 75 days. According to the method, the problems of sexual propagation limitation (few seeds, recalcitrant seeds, low germination rate and the like) of the hedyotis diffusa are broken through, the door of asexual propagation (cutting propagation) is opened, the problem of low cutting rooting rate is solved, the method is suitable for large-scale propagation of the tree species, and important technical support is provided for population protection and recovery of the tree species.

The invention relates to the technical field of plant propagation, in particular to a Lanzhou lily scale cuttage method. According to the method, virus transmission can be effectively reduced through combination of double disinfection and trichoderma biological control, the risk of soil-borne diseases is reduced, the qualified rate of commercial bulbs is increased, meanwhile, the cultivation period of the commercial bulbs can be greatly shortened through hormone optimization treatment of single scales and a film mulching drip irrigation technology, and the economic benefit is increased. Through double-film covering and precise water and fertilizer management, the irrigation cost can be effectively reduced, the fertilizer utilization rate can be increased, the yield per mu and the commodity ball optimization rate can be remarkably increased, comprehensive breakthrough is achieved in efficiency, cost and quality, and the method is suitable for large-scale planting and industrial upgrading requirements.