17 results about "Propagule" patented technology

The invention discloses an underground propagule composite excitant for ecological restoration and a preparation method thereof, and relates to the technical field of excitant preparation. The fertilizer is prepared from the following raw materials in parts by weight: 0.2 to 0.3 part of gibberellin, 0.2 to 0.5 part of 6-benayl aminopurine, 0.2 to 0.3 part of indolebutyric acid, 0.5 to 0.7 part of sodium nitroprusside, 0.4 to 0.5 part of hydrogen peroxide, 1 to 2 parts of jasmonic acid sustained-release microspheres, 5 to 7 parts of compound amino acid, 1 to 3 parts of compound microbial agent sustained-release microspheres, 2 to 3 parts of seaweed extract, 10 to 13 parts of humic acid, 2 to 3 parts of monopotassium phosphate, 60 to 74 parts of ethanol and 1000 parts of water. The underground propagule composite excitant provided by the invention is beneficial to promoting activation and germination of underground propagules, enhancing plant growth and stress resistance, improving soil micro-ecological functions, forming stable diversity communities and facilitating ecological restoration.

The present application belongs to the technical field of plant morphology, and particularly relates to a seed plant propagule three-dimensional shape measurement method based on a video stereomicroscope, comprising: collecting seed plant propagules at the mature stage and air-drying to a constant weight; classifying the propagules according to the seed, fruit shape and surface accessory structure, and determining the measurement criteria of the shape of different categories of propagules; scanning the three-dimensional structure of each category of propagule by using a video stereomicroscope, and accurately measuring the shape parameters length, width and thickness of the propagule; normalizing each category of propagule, calculating the shape index of the propagule, and representing the closeness to a spherical shape. The method quantifies the complex three-dimensional shape characteristics of the seed plant propagule into a comprehensive shape index, realizes accurate quantitative measurement and digitization of the morphological characteristics of the propagule, solves the pain point of determining the shape of the propagule by using a traditional observation tool, and facilitates the comparative identification of the three-dimensional shapes of different categories of seed plant propagules.

The invention belongs to the technical field of microbiological detection and soil biology, and particularly relates to a method for screening arbuscular mycorrhizal fungi in soil, which comprises the following steps: preparing a soil propagule suspension, realizing single individual separation and physical isolation of propagules by using a microecological niche array, and screening the arbuscular mycorrhizal fungi in the soil. The strain is co-cultured with a sterile host root system under a specific abiotic stress condition, and the stress-tolerant functional strain is directly obtained through microscopic monitoring, positive symbiont confirmation and molecular identification. According to the technical scheme, competitive bias voltage can be avoided, the slave mycorrhizal fungi purified strains with low phosphorus, drought or saline-alkali tolerance are efficiently screened out, and screening objectivity and functional targeting are remarkably improved.

The invention relates to a method for rapidly carrying out BSA (Bovine Serum Albumin) gene localization by utilizing a space mutation mutant. The method comprises the following steps: firstly, carrying propagules such as seeds through an aerospace craft, and constructing a broad-spectrum mutant library by utilizing space environment mutagenesis; returning to the ground, culturing and screening M1-generation mutants with target excellent characters, and hybridizing / backcrossing with a wild type to construct a character segregation population; by adopting a group separation analysis (BSA) strategy, selecting phenotype polar differentiation individuals, and respectively mixing the phenotype polar differentiation individuals to form a high-value pool and a low-value pool; and finally, carrying out whole genome high-throughput sequencing on the double pools and the parents, rapidly locking a genome region linked with a target character by combining bioinformatics analysis such as SNP-index and the like, and verifying candidate genes through gene annotation, molecular marking and gene editing. According to the invention, the broad spectrum of space mutagenesis and the high efficiency of the BSA-seq technology are integrated, the period from mutation creation to gene identification is remarkably shortened, and an innovative technical scheme is provided for crop genetic improvement and functional genomics research.

The application provides a compound preparation suitable for organic planting of tomatoes, a preparation method and application, and belongs to the technical field of organic tomato planting, wherein the active ingredient is composed of freshwater unicellular algae and a compound bacterial liquid; the compound bacterial liquid is composed of bacillus subtilis GLB191 and bacillus pumilus GLB197 or is composed of iranian gloeocystidiaceae; the effective viable bacterial number of the bacillus subtilis GLB191 and the bacillus pumilus GLB197 is greater than or equal to 13.5 billion cfu / g ‑1 ; and the propagule number of the iranian gloeocystidiaceae is greater than or equal to 70 pieces / ml ‑1 ; the application can improve the survival rate of tomato seedlings, plays a role in promoting growth, improves the quality of fruits, and has an effective prevention and treatment effect on tomato leaf mold disease.

The invention relates to a degradable three-dimensional habitat protection body and a mangrove propagule planting method based on the three-dimensional habitat protection body, the three-dimensional habitat protection body comprises a plurality of three-dimensional structure units, each three-dimensional structure unit comprises a top wall and a bottom wall, the whole top wall is of a hollow structure arched towards the direction away from the bottom wall, and the bottom wall is of a hollow structure arched towards the direction away from the bottom wall. The whole bottom wall is of a hollow structure which is arched in the direction away from the top wall, and the bottom wall and the top wall jointly define a hollow cavity. In the tide scouring and wave impact process, the protection body can weaken the instantaneous dynamic pressure peak value perpendicular to the hollow structure, and the pull-out force and shear stress acting on seedlings or attached organisms in the cavity are reduced; meanwhile, the flow velocity and internal shear force in the cavity can be reduced, local scouring and sediment erosion are effectively inhibited, a relatively stable matrix environment is formed, and continuous support is provided for propagule germination and root growth.

The invention relates to a method for isolating environmental strains of arbuscular mycorrhizal fungi, comprising the following steps: an isolation phase comprising i. the treatment of a soil sample of interest by successive sieving of decreasing size in order to concentrate propagules of arbuscular mycorrhizal fungi present in the soil sample, ii. the trapping of a propagule obtained at the end of the treatment step, in an alginate bead, iii. the culturing of the propagule trapped in an alginate bead, in a solid substrate in contact with a pregerminated plantlet intended to undergo mycorrhizal colonization brought about by said propagule. It is of use in the agronomic field for the purpose of improving the growth and resistance to stresses (biotic and abiotic stresses) of plant species. This invention integrates into an overall context of agricultural transition involving a change in agricultural practices to tend towards growing models less dependent on inputs (water, fertilizers, pesticides).

The present application relates to a kind of lake natural ecological restoration method, historical ecological data analysis and ecological system status survey are carried out to the lake to be repaired;Pioneer plant buffer zone is formed by planting floating leaf plants in the center area of the lake to be repaired and / or wind and wave center area;At least one sub-recovery area is set in the lake to be repaired, and all sub-recovery areas are carried out ecological restoration according to preset order, and the measures of ecological restoration include constructing stable primary submersed plant community in each sub-recovery area;Wherein, the primary submersed plant community can stably produce propagule;The propagule produced by each sub-recovery area can be naturally dispersed and planted and spread to other locations outside the sub-recovery area in the lake to be repaired by natural force, to form stable secondary submersed plant community, to expand the repaired area that has been completed;Propagule further disperses, plants and spreads.The outstanding advantages are less investment, fast repair, and suitable for the repair of medium and large lakes.

The invention discloses a salt marsh ecological restoration system based on historical propagule library in-situ activation, and relates to the technical field of ecological restoration, the system comprises a historical habitat identification and calibration module used for identifying and calibrating the historical distribution range of target restoration vegetation in a target area; the deep propagule library verification module is used for carrying out sampling and activity verification on propagules in a sediment deep area and confirming existence of a propagule library capable of being used for in-situ activation; the ecological opportunity decision-making module is used for determining a suitable time window for implementing in-situ activation operation; and the targeted physical disturbance activation module is used for applying non-invasive physical disturbance to the deep area of the sediment, so that the living propagule buried in the deep area floats upwards to the surface layer of the sediment. According to the scheme, normal form transformation from dependence on external transplantation to activation of internal potential is achieved, the repair process is simplified into targeted field operation, and the comprehensive cost and resource consumption are remarkably reduced.

The utility model relates to an auxiliary device for field planting and growth of submerged plants. The auxiliary device comprises a mesh bag, a traction rope and a balancing weight. The mesh bag is provided with an opening and can wrap propagule seedlings of submerged plants. The first end of the traction rope binds and tightens the opening of the mesh bag wrapping the propagule seedlings, the second end of the traction rope is connected with the balancing weight, and the weight of the balancing weight is larger than the overall weight of the propagule seedlings and the mesh bag. The submerged plant field planting growth auxiliary device has the beneficial effects that the stability of wrapped propagule seedlings for resisting low light stress and disturbance of the water body can be improved, the growth of the propagule seedlings is promoted, the purpose of ecological restoration of the water body is achieved, and the submerged plant field planting growth auxiliary device is particularly suitable for ecological restoration of the water body with strong disturbance and poorer illumination conditions. And furthermore, the structure is simple, the cost is relatively low, and the preparation is convenient.

The invention relates to a method for artificially cultivating biological soil crust, and belongs to the technical field of biological soil crust cultivation, and the method for artificially cultivating the biological soil crust comprises the following steps: collecting a biological crust seed source and artificially cultivating; the biological crust seed source is collected from a sand stabilization shrub area of the Maouu sand land, and the biological crust seed source comprises algae-containing crust, lichen crust and moss crust. According to the method, the collected biological crust seed sources are subjected to refined layering treatment, 1.5 cm of the upper layer is selected for preparing crust seed powder and reserving propagules, 1.5 cm of the lower layer is selected for preparing culture soil, substrates and nutrients are provided for the crust seed powder, and the collection area of the biological crust seed sources is reduced; symbionts are formed by inoculating arbuscular mycorrhizal fungi, so that the moisture and nutrient absorption capacity of crust is greatly enhanced, and the drought resistance and the adaptability to barren sand are improved.

Provided is a plant treatment method with which it is possible to further promote the growth of a plant using a compound such as ergothioneine. This method for treating a plant comprises a step for treating a propagule of a plant with an active ingredient which is a compound represented by formula (I), a tautomer thereof, or an agronomically acceptable salt thereof. [Chemical Formula 1] (In formula (I), R1 and R2 independently represent a hydrogen atom or an alkyl group having 1-4 carbon atoms, and R3, R4, and R5 independently represent an alkyl group having 1-4 carbon atoms)

Disclosed in the present invention are an auxiliary planting method and a system thereof, which aim at solving the technical problems of low survival rate, poor stability and non-standardized operation of planting in existing phytoremediation. A core method of the present invention comprises: a) preparing a plant propagule, wherein the propagule is a seed or a seedling; and b) deploying a structure, involving: deploying, in a region to be remediated, at least one auxiliary planting structure made of a biodegradable material, wherein the auxiliary planting structure is provided with at least one planting hole which can accommodate the propagule therein, and fixing the auxiliary planting structure to said region by using an anchor. The structure can provide physical support, water flow buffering, microenvironment improvement and biological protection for the propagule in the early stage of planting, and then degrades naturally. Further disclosed in the present invention is a system for implementing the method, which system comprises the auxiliary planting structure and the anchor. By means of the present invention, the standardization and engineering of phytoremediation operations for mangroves and salt marshes can be achieved, thereby enhancing the adaptability to complex environments. Moreover, the present invention is ecologically friendly, and has significant ecological and economic benefits.

An apparatus for forming a rope matrix having seaweed propagules embedded therein is provided and may include an intertwining assembly configured to intertwine at least three ropes at a braiding point to form a rope matrix. Further, the apparatus may include a conveying device configured to introduce seaweed propagules adjacent to the braiding point and to enable embedding of the seaweed propagules within the rope matrix while the rope matrix is being formed. Further, the apparatus may comprises an offtake assembly configured to move the rope matrix, with the seaweed propagules embedded therein, out of the apparatus.

The invention discloses an application of strigolactone in promoting symbiosis of arbuscular mycorrhizal fungi, and relates to the field of agricultural microorganisms, and an effective amount of strigolactone or a derivative thereof is combined with at least one arbuscular mycorrhizal fungi propagule for use; wherein the use concentration of the striga asiatica lactone is 0.01 nM to 10 M; according to the application of strigolactone in promoting symbiosis of arbuscular mycorrhizal fungi, through a Tween-20-containing solution carrier and a combined application mode, the activity of strigolactone is effectively protected, the action time of strigolactone is prolonged, the defect that strigolactone is easy to degrade is overcome, and the stability and repeatability of a field application effect are guaranteed.

A method of revegetating a native plant community such as a forest includes the steps of mechanically collecting forest floor material, specifically targeting native plant seeds, spores, and acrotelm layers, to restore native forest species. The collected material is formed into small pieces, such as pucks, for distribution on the target land. The pieces are formed by wetting the material with water and a binder as a wetting agent, mechanically compressed and dried to a moisture content less than 15% by volume. Each piece has a surface area of less than 25 sq cms and a thickness of less than 1.5 cms so that the pieces are smaller than the smallest length required for a root to emerge into a new plant. The process ensures that the material cannot dry out as the vegetative propagules die if it does. The material is formed into the pieces without being stockpiled or previously stored and without freezing.

The invention belongs to the technical field of biology. More precisely, a gel-like nutritional substrate containing at least meta-topoforest and melatonin and a method for producing the same are described. Also described is an artificial seed comprising a container filled with a nutritional substrate comprising at least melatonin and an intertopological forest in which a plant propagule is placed. The present invention also describes a method of in vitro culturing a plant in which the in vitro cultured meristem and / or embryonic tissue is placed on a nutritional substrate comprising at least meta-topoforest and melatonin, which later is exposed to stress conditions common in the field, enabling the propagule to grow into an adult plant. Preferably, the plant meristem and / or embryogenic tissue used is from a plant species that can be asexually propagated.