136 results about "Plant population" patented technology

Disclosed is a novel Lepidopteran- and Coleopteran-active delta-endotoxin polypeptide, and compositions comprising the polypeptide, peptide fragments thereof, and antibodies specific therefor. Also disclosed are vectors, transformed host cells, and transgenic plants that comprise nucleic acid segments encoding the polypeptide. Also disclosed are methods of identifying related polypeptides and polynucleotides, methods of making and using transgenic cells comprising the novel sequences of the invention, as well as methods for controlling an insect population, such as the Western Corn Rootworm and Colorado potato beetle, and for conferring to a plant population resistance to the target insect species.

A sensor for monitoring a plant population in front of a harvester and a transfer process of the crop from the harvester to a transport vehicle is arranged on an unmanned aircraft. The aircraft moves in the vicinity of the harvester in the harvesting mode and communicates in a wireless fashion with a control unit that controls an actuator for influencing an operating parameter of the harvester and/or the transport vehicle (in real time based on signals of the sensor in the harvesting mode.

The present invention discloses a method for reducing and controlling wastewater pollution of pig farm, comprising the steps of: A, using a solid-liquid separation facility for performing solid-liquid separation of pig farm waste, stacking the solid waste for fermentation to produce an organic fertilizer; B, building a four-level biomass purification tank treatment system, constructing biomass purification tanks which are connected by pipes, putting straw in the biomass purification tank of each level; C, building a five-level green watermifoil ecological wetland treatment system including ecological wetlands which are naturally divided by ridges, planting green watermifoil, culturing the green watermifoil into a plant population, keeping an up level ecological wetland and a down level ecological wetland including a first level ecological wetland, a second level ecological wetland and a third level ecological wetland to facilitate the flow and purification of waste water. The method is easy to operate and low in construction cost, does not need running cost, and is suitable for application and promotion in pig farms in the majority of sub-tropical areas in middle and lower reaches of the Yangtze River.

A device and method for applying a wind force to a plurality of plants in an agricultural environment is provided to screen for selected wind-resistance traits in the plurality of plants. In one embodiment of the present invention, a device is provided including a generating device for creating a moving fluid stream to provide the wind force, a directing device, such as a duct and/or movable vane, for precisely and selectively directing the wind force towards a portion of at least one plant, and a controller for adjusting one or more parameters of the fluid stream. The device and/or method embodiments of the present invention may thus be used to selectively apply the wind force to one or more plants (or portions thereof) such that the plants may be evaluated with respect to one or more wind-resistant physical characteristics.

The invention provides oligonucleotides and their complements that can be used as allele-specific probes or primers for sequencing, oligonucleotide probe hybridization, and allele-specific amplification. Such oligonucleotides can be used, for example, to facilitate genetic distinction between individual plants in plant populations.

The invention discloses a method for three-dimensional reconstruction of a plant population morphological structure, relating to the technical field of three-dimensional graph generation. The method comprises the following steps of: S1, measuring canopy morphological character parameter data of a plant population to be reconstructed; S2, constructing a plant population canopy morphological character statistical model according to the morphological character parameter data; S3, acquiring position information and internode number information of each plant of the plant population to be reconstructed; S4, reconstructing a three-dimensional model of each plant in the plant population to be reconstructed according to the internode number information acquired in the step S3 and the canopy morphological character statistical model constructed in the step S2; and S5, according to the position information, moving the three-dimensional model of each plant to a corresponding position of a three-dimensional scene to finish the three-dimensional reconstruction of the plant population to be reconstructed. By the method, the three-dimensional reconstruction of the plant population can be accurately and simply performed.

The invention relates to a rod plant population lodging resistant method and a rod plant population lodging resistant device. The method is characterized in that: at least four gaskets are uniformly distributed on the periphery of each rod plant; the waist parts of the gaskets are bound with the rod plant through horizontal ropes; a lodging resistant rod is arranged between the rod plant and adjacent rod plants respectively; two ends of the lodging resistant rod respectively bear against gaskets of corresponding sides of the two rod plants; the middle part of the lodging resistant rod is provided with a telescopic connector; and two adjacent plants in all horizontal and longitudinal rows are firmly connected through lodging resistant rods, gaskets and ropes to connect the whole population of plants into a whole. The method is favorable for lodging-resistant protection of plant population when heavy wind comes; the device has the advantages of simple structure, readily available materials, quick and convenient erection, convenient filed implementation and promotion, low labor consumption, material recycling, low cost, good stability and obvious plant population wind-resistant and lodging-resistant effect.

The invention provides a plant growth modeling method and system. The method is characterized by collecting plant point cloud data, calculating shape features of plants, and extracting plant primitives based on the shape features of the plants, designing plant growth rules and fitting plant individual models to obtain plant growth parameters. In comparison, conventional plant growth modeling which focuses on the modeling of plant growth mechanism is mainly based on botany knowledge and expert experience, and is an empirical, qualitative and group-type virtual plant growth simulation; this modeling method is targeted to the behavior of plant population, so that the growth process of a specific plant individual is hard to simulate; and the modeling method depend heavily on professional knowledge and personal experience of botany experts. The plant growth modeling method and system are based on real measurement data of the plants, and can realize real plant growth modeling.

The invention relates to a plant population canopy porosity measuring device and method. The plant population canopy porosity measuring device comprises a frame, an adjusting mechanism, a laser ranging mechanism, a walking mechanism and a control system, wherein the frame is used for supporting and fixing other devices; the adjusting mechanism is used for driving the laser ranging mechanism to move on an XY horizontal plane; the laser ranging mechanism is used for measuring the distance between a plant leaf and a ranging mechanism; the walking mechanism is used for driving the frame to walk; the control system is used for controlling walking, adjustment and ranging of the plant population canopy porosity measuring device. Through a canopy porosity automatic measuring way, online measurement of the plant population canopy porosity is realized; a control system capable of automatically calculating and measuring porosity is adopted, so that online evaluation of the plant population canopy porosity is realized.

The invention relates to a method for integration of commercial breeding of plants and genomic methodology comprising the steps of: a) plant population development by crossing a Parent 1 and a Parent 2 to generate a Population I; b) crossing Parent 1 with individuals from Population I to generated a Population II; c) crossing Parent 1 with individuals from population II to generate a Population III; d) randomly selecting at least one plant per each line in Population III and collecting genetic material from the random plant; e) self pollinating selected plants from population III to generate a Population IV; f) evaluating and selecting plants of Population IV; and g) using selecting progeny plants of Population IV in test crosses for evaluating the potential to develop new commercial cultivars; where the genetic material in step d) is used to develop marker profiles of each plant to map QTL and major gene loci as part of the evaluation of plants in step f).

The invention discloses a method for determining a target water area submerged plant recovery area. The method includes the steps of (1) determining sampling points of a target water area, and measuring data including the water body depths, the ignition losses and the different-gradient water depth illumination intensities, (2) obtaining attenuation coefficients K of photosynthetic effective radiation of the sampling points, (3) calculating submerged plant population light compensation depths HC of the sampling points, (4) determining an assessment criteria of submerged plant recovery, wherein LOI serves as the ignition losses, and Qi serves as specific values of the submerged plant population light compensation depths to the water body depths; (5) making thematic maps of the LOI vectors and the Qi vectors, and (6) overlaying the thematic maps through a space analysis module of a geographic information system to obtain nine combinations. By means of the method, the submerged plant population recovery area has specific boundaries, and the operability is high; the recovery area has the step performance, a proper area can be preferentially recovered, and a transition area is then recovered after the conditions such as the transparency and bottom mud are met.

The invention relates to a detecting and distinguishing method of molecule biology in the biology field, which is characterized in that: DNA is extracted from the aimed plant iris, the nine special primer sequences are processed with DNA expansion to acquire microsatellite molecule marker data, the molecule maker date is analyzed by using the software Arlequin 3.11 to acquire the plant population and classification. The detecting and distinguishing method of molecule biology has the advantages that: the molecule detecting and distinguishing can be carried out fast to judge the iris belongs to the salt tolerant or non-salt tolerant population, the detecting and distinguishing method provides microstellite molecule of the iris salt tolerant population to mark the nine primer sequence and expansive conditions and parameters.

The invention relates to a plasmid vector and a method for building a plant population by using the plasmid vector. The plasmid vector contains, at a replication origin, a gene expression box for expressing Cas9 protein, a first promoter, nucleotide sequences containing suicide gene sequences, a gRNA scaffold element and a termination signal, and at least one first enzyme cutting site located on the nucleotide sequence 5' end containing the suicide gene sequence and at least one second enzyme cutting site located at the nucleotide sequence 3' end containing the suicide gene sequence; furthermore, no first enzyme cutting site and no second enzyme cutting site exist in other positions of the plasmid vector. The first promoter is located at the upstream of the termination signal; the nucleotide sequences containing suicide gene sequences and the gRNA scaffold element are all located between the first promoter and the termination signal.

Compositions and methods for producing a plant population lacking sexually derived embryos are provided. Compositions include suppression cassettes encoding polynucleotides and promoters resulting in parthenogenesis. Further provided are parthenogenesis genetic elements used to prevent sexual reproduction in self-reproducing plants.

Methods include: utilizing maternal embryo defective recessive mutations which are maintained as a sterile inbred maintenance system, allowing generation of populations that are homozygous for recessive mutant alleles, but transgenically complemented. Methods include utilizing a toxin genes expressed via egg-cell specific promoters, creating a dominant, embryo-less phenotypes, non-transmittable through female gametes. Resultant hemizygous plants are transformed with egg-cell promoters driving the antidote, a pollen ablation PTU and a seed color marker for identification of transgenic seed. The generation of a plants 50% female fertile, having seed which when grown in the next generation will yield plants with 50% viable transgenic seed, and 50% non-viable embryo-less seed.

The present invention relates to screening methods for rust resistance or tolerance, in particular, Asian soybean rust (ASR—Phakopsora pachyrhizi). In addition, the present invention relates to the use of molecular markers for the Glycine genus, in particular, for the Glycine max species. The present invention further relates to a method for identifying loci with quantitative and/or qualitative traits associated with rust resistance or tolerance in plants by means of molecular markers. Said markers can be used for assisted screening in improvement programs directed to selecting disease-resistant or -tolerant plants. The present invention also relates to gene pyramiding related to rust resistance. The markers of the present invention are also useful for the positional cloning of rust-resistant or -tolerant genes. Also disclosed are a method for obtaining disease-resistant or—tolerant cultivars, process for obtaining a plant population and a method for controlling diseases in a plant population. Another object of the present invention is the use of species from the Glycine genus as a source of resistance for obtaining ASR-resistant or tolerant cultivars.

A gene OsHT1 controlling rice tillering is disclosed. The gene is derived from oryza sativa L. cv. Zhonghua 11. The nucleotide sequence of the gene is SEQ ID NO.1, the nucleotide sequence of the open reading frame of the gene is SEQ ID NO.2, and an amino acid sequence encoded by cDNA of the gene is SEQ ID NO.3. Phenotypic analysis shows that after overexpression of the gene OsHT1, the tiller number of rice is increased from about 20-27 to 135-145, plant height is reduced and the setting rate is not changed. The gene OsHT1 is a critical regulating gene for rice tillering, and therefore rice tillering characters can be regulated by utilizing a genetic engineering technology, and the gene has important application value in the field of regulating and controlling plant shape characters on purpose by utilizing a bioengineering technology, and adjusting a plant population structure to achieve a high yield and good quality. The gene can be used for cultivating high-yield varieties of rice, wheat, and other cereal crops.

The invention relates to a method for breeding new pattern male sterility line and retention line for wheat, near cross-breeding with hexaploid common wheat, enlarging plant population of second-filial generation through cross-breeding and auto-copulation, choosing sterility plant for test crossing, back crossing and sister crossing to breed male sterility line which is easy to maintain and restore, which is characterized by sterility of nuclear interaction, wide restore source, strong copulation and appreciable heterosis.

Methods for the production of new Adonis palaestina plants and plant populations with improved characteristics such as increased flower size, astaxanthin content, and/or reduced cardenolide content are provided. Also provided are an astaxanthin-containing Adonis oleoresin and methods of extracting astaxanthin and other ketocarotenoids from flowers of Adonis palaestina plants, while reducing non-ketocarotenoids and cardenolides.

The invention provides a portable device for determining vertical profile distribution of CO2 concentration in plant population, which consists of a gas collector, a gas circuit switcher, an air filter, an air pump, an infrared gas analyzer and a system support. The CO2 concentration in air at different levels is measured by switching gas circuits to obtain vertical profile distribution of the CO2 concentration in plant population. The device has the advantages of convenient movement, low fabrication cost, flexible and convenient use and accurate data obtained, and can be adjusted according to the height of target plants and measuring requirements, thus meeting the requirement of wild environment.