128 results about "Stamen" patented technology

The utility model relates to the technical field of plant pollen collection, and discloses a rapid field apocynum venetum pollen collecting device which comprises a pollen scattering device, the pollen scattering device comprises a stamen inlet, a stamen processing pipe is welded to the bottom of the stamen inlet, a pollen scattering and spreading cavity is welded to the bottom of the stamen processing pipe, and the pollen scattering and spreading cavity is communicated with the stamen inlet. Four cavity wall attachment connecting strips are welded to the inner side of the pollen scattering and spreading cavity, a middle rotating shaft is welded to one ends of the four cavity wall attachment connecting strips, a wind driven fan is connected to the inner side of the middle rotating shaft through a rotating shaft, and a pollen scattering brush is welded to the top of the wind driven fan; an impurity filter screen is connected to the middle of the inner side of the pollen scattering and spreading cavity through a bolt, and the problems that according to an existing rapid field apocynum venetum pollen collecting device, pollen falls off through mechanical vibration or airflow blowing, and certain influences are caused to plants in actual use, such as flower bud damage and pollination influence are solved.

The invention discloses rhodosporidium toruloides, a lotus stamen fermented product prepared from the rhodosporidium toruloides and application of the rhodosporidium toruloides, the rhodosporidium toruloides BT04 is provided, the rhodosporidium toruloides BT04 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.32473, the preservation date is November 4, 2024, and the preservation number of the rhodosporidium toruloides BT04 is CGMCC No.32473. The preservation address is Institute of Microbiology, Chinese Academy of Sciences, 3 #, 1 # yard, West Beichen Road, Chaoyang District, Beijing, and the suggested classification name is Rhodosporidium toruloides. The stamen nelumbinis fermented by the strain to obtain a stamen nelumbinis fermented product which has a certain inhibition effect on the activity of elastase.

The embodiments of the present specification disclose a path planning method, device and medium for flower pollination, which relate to the field of flower pollination technology. The method includes: collecting point cloud data of plants to be pollinated for semantic segmentation to generate style position data; determining style posture data based on the style position data through a point pair feature method, and determining the stamen orientation information of each style to be pollinated; determining the pollination path planning end point and a pre-pollination point based on the stamen orientation information, calculating the distance between the pre-pollination point and the pollination path planning end point, and when the distance is greater than a preset distance setting value, constructing a reference coordinate system through the pre-pollination point and the pollination path planning end point; determining a leaf obstacle set in the reference coordinate system, and establishing a sampling space based on the leaf obstacle set in a specified area, so as to generate a pollination path corresponding to each style to be pollinated in the established sampling space through a BI-RRT algorithm of an improved artificial potential field method, thereby realizing pollination of the plants to be pollinated.

To provide a pollination device for easily and highly successfully artificially pollinating a plant having a pith at the stigma of a pistil, such as an Orchidaceae plant. [Solution] A pollination device 1 for a plant having a beak 30 on the stigma of a pistil 28, comprising a drive unit 3 that generates air sparseness and density to displace the position of the beak 30 that separates the stamens 27 and the pistil 28, and a pollination working unit 2 consisting of a cylindrical body connected to the drive unit 3, which stores at least the stamens 27, pistil 28 and beak 30 within the cylindrical body and propagates sparse and dense air while diffusing pollen 33 from the stamens 27 to pollinate the pistil 28.

The invention relates to the technical field of plant genetic engineering, in particular to a transcription factor CsKNAT1 and application thereof in regulation and control of development of tea trees. The nucleotide sequence of the gene is as shown in SEQ ID NO: 1, and the sequence of protein coded by the gene is as shown in SEQ ID NO: 2. Research finds that overexpression of the CsKNAT1 gene can influence the form of plant leaves: the edges of the leaves are promoted to have notches (asymmetric leaves are formed, resulting in increase of sawteeth at the edges of the leaves); the formation of compound leaves can be promoted; leaves on plant stems can grow in a rosette form, and secondary stems are bolted in the middles of rosette leaves; the research also finds that the overexpression of the CsKNAT1 gene can obviously influence the flowering phase and the flower form of the plant; the delay of the flowering phase is promoted; overexpression of the CsKNAT1 gene can further influence development of floral organs and formation of siliques, part of arabidopsis plants have phenotypes that corolla becomes small, stamens are exposed, petals gradually extend and are zigzag in a wavy shape, the length of mature siliques is remarkably shortened by 20%-36.1%, and the phenomenon that the fruits are aborted occurs.

The invention discloses a ZaSCL3 gene for regulating and controlling plant growth and development as well as an encoding protein and application thereof, and belongs to the technical field of gene engineering. According to the invention, an over-expression vector of the ZaSCL3 gene is constructed and expressed in a wild tomato, so that stamens of a ZaSCL3 over-expression plant are aborted, ovary is spontaneously expanded without pollination, and seedless fruits are generated, which indicates that the over-expression ZaSCL3 gene can realize the effect of inducing male sterility and apomixis of the plant; a key gene resource is provided for molecular breeding and yield character improvement, and the important application value is achieved.

The invention belongs to the technical field of crossbreeding, and particularly relates to a castration hybridization method of amphoteric asparagus. The method comprises the following steps: selecting an amphoteric asparagus in a bud pre-mature period as an asparagus maternal plant; petals and stamen groups of flower buds on the maternal plants are pinched off on the pollination day, and bare stigmas are left; picking mature and pollinated male flowers as male parent flowers on the pollination day; adhering the collected male parent pollen to the castrated female parent flower stigma after 4 p.m. at the temperature of 25-35 DEG C in clear weather from April to June every year, bagging and isolating to obtain homozygous seeds. The efficient method is provided for hybridization of the amphoteric asparagus for the first time, variety mixing in the asparagus hybrid seed production process is eradicated, the purity of the seeds is guaranteed, and the consistency of seeds for later production and the correctness of experimental research are guaranteed. In addition, the method can obtain the amphoteric asparagus with stable hereditary characteristics, and has guiding significance for the hybridization technology of the amphoteric asparagus.

The pollination tool comprises a supporting assembly, a vibration motor, a pollen bottle and a pollen net, the supporting assembly is connected with the pollen bottle and used for supporting the pollen bottle so that the pollen bottle can extend to the position above a pistil, the pollen bottle is provided with a containing cavity and an opening communicated with the containing cavity, and the vibration motor is arranged on the pollen bottle. The pollen can be placed in the containing cavity from the opening, the pollen net is arranged on the pollen bottle in a sleeving mode, the vibration motor is installed on the pollen bottle and used for vibrating the pollen bottle so that the pollen can fall onto stamens and buds from the through holes of the pollen net, the pollen in the pollen bottle can be scattered onto the stamens and buds through the vibration motor, the pollen pollination rate is increased, and the fruit yield is increased.

The utility model provides novel tweezers for artificial emasculation and pollination of tomatoes. The novel tweezers comprise a left tweezers arm and a right tweezers arm which is symmetrical to the left tweezers arm, wherein one end of the left tweezers arm and one end of the right tweezers arm are gradually close to each other to form a connecting end, the other ends of the left tweezers arm and the right tweezers arm are gradually away from each other to form a clamping end, and an arc-shaped tweezers body part is connected between the clamping end and the connecting end; a connecting spring is arranged between the left tweezers arm and the right tweezers arm, and a pollen storage structure is arranged at the clamping end. Through the arrangement of the pollen storage structure, male parent pollen can be conveniently collected, more pollen can be contained, a plurality of stigmas can be pollinated at the same time through the pollen amount, the pollination efficiency is improved, the left tweezers arm and the right tweezers arm are elastically opened and closed through the arrangement of the connecting spring, and the pollination efficiency is improved. During use, stamens of female parents can be quickly taken out by utilizing the elasticity of the connecting spring, so that the castration efficiency is improved.

The invention discloses a phagostimulant capable of improving the prevention and control effect of cotton flower thrips and application of the phagostimulant. The phagostimulant is prepared from the following components in parts by weight: 10 to 30 parts of p-methoxycinnamyl aldehyde, 5 to 40 parts of anisaldehyde, 40 to 70 parts of ethyl nicotinate and 10 parts of a cosolvent. The phagostimulant is prepared from the following components in parts by weight: 10 to 30 parts of p-methoxycinnamyl aldehyde, 5 to 40 parts of anisaldehyde, 40 to 70 parts of ethyl nicotinate and 10 parts of cosolvent. By utilizing the tropism of the cotton flower thrips to specific volatile compounds and through the synergistic effect of the three plant source compounds, pests hidden in stamens, petal wrinkles, leaf backs and other hidden parts are attracted to a pesticide application area, the contact area of insect bodies and the pesticide is remarkably increased, and therefore the prevention and control effect is improved. Field tests show that when an optimal formula (the ratio of p-methoxycinnamaldehyde to anisaldehyde to ethyl nicotinate to the cosolvent is 20: 20: 50: 10) is matched with spinetoram for use, the control effect can reach 84.43%-92.22%, the control effect is remarkably improved compared with that of single use of an insecticide, and a good control effect is shown. The method is safe and environment-friendly, reduces the amount and increases the efficiency, and has remarkable economic and ecological benefits.

The invention belongs to the technical field of plant germplasm resource preservation, and provides a special protective agent for pollen integrated treatment of Chinese honey locust hybrid flowers, a kit and an integrated treatment method thereof. The protective agent is prepared from 8%-12% w / v of trehalose, 0.05%-0.08% v / v of Triton X-100 and a phosphate buffer solution with the pH value of 7.0. The integrated treatment method comprises the following steps: performing stamen morphology primary screening and separation on the Chinese honey locust flowers at low temperature; grinding in an ice bath by using a protective agent, filtering, centrifuging and enriching fertile pollen; quickly evaluating the activity of the split-flow part suspension by using an MTT method; carrying out trehalose-tert-butyl alcohol gradient dehydration and low-temperature vacuum drying on the residual part to obtain dried pollen, and storing for a long time; and treating with rehydration liquid before use. The extraction damage is reduced to the maximum extent; tert-butyl alcohol and trehalose synergistically dehydrate and dry, so that the pollen safely enters a vitrification state, and long-term stable preservation is realized; the repeatability is high, standardized operation is achieved, and a reliable tool is provided for gleditsia sinensis germplasm resource preservation and breeding.

The invention relates to the technical field of gene engineering, in particular to application of a SmOPR3 gene in creation of a male sterile line of salvia miltiorrhiza. The invention provides application of a SmOPR3 gene in creation of a male sterile line of salvia miltiorrhiza. The nucleotide sequence of the SmOPR3 gene is shown as SEQ ID NO: 1. Experimental results show that three regenerated salvia miltiorrhiza bunge are obtained in this conversion, and results of PCR amplification and Sanger sequencing on a SmOPR3 mutation region show that the three salvia miltiorrhiza bunge strains are effectively edited. The subcloning analysis confirms that the three materials successfully realize accurate and synchronous editing of two targets, the editing form of one salvia miltiorrhiza (no.1) realizes allele knockout, and the deletion of SmOPR3 directly leads to maldevelopment of stamens of salvia miltiorrhiza, cannot normally generate pollen and finally leads to the phenotype of male sterility.

The invention relates to the field of plant genetic engineering, and particularly discloses a soapberry SmCYCD3; 2 gene and application thereof. The nucleotide sequence of the gene is shown as SEQ ID NO: 1, and the sequence of the protein coded by the gene is shown as SEQ ID NO: 2. Experiments show that the gene has high specificity expression in female flowers of soapberry. By heterologous overexpression of the gene in arabidopsis thaliana, typical'female promotion and male inhibition 'phenotypes such as pistil elongation, stamen number reduction and shortening, pollen viability reduction and small fruit pods of transgenic plants can be caused. Molecular mechanism studies show that: SmCYCD3; 2, performing functions by up-regulating expression of cell cycle related genes and pistil development genes AtCRC and down-regulating expression of stamen development key genes at the same time; the invention provides a key gene resource and a theoretical basis for directionally regulating and controlling the sex ratio of plant flowers through a molecular breeding means and improving the fruit yield of woody economic tree species.

The present invention discloses a cultivation and management method for reducing the incidence rate of polyembryonic fruits in macadamia nuts, which comprises the following steps: S1. Starting from the flower bud differentiation period of the macadamia nut fruit tree until before the withering of flowers, spray with a growth-promoting hormone every 18 - 25 days to promote the normal development of floral organs such as stamens and pistils; and during the flower bud differentiation period from November to December, if there is a drought, irrigate appropriately to keep the soil moisture content not less than 65%; S2. In February - March every year, during the flowering period of the macadamia nut fruit tree, spray with the following fertilizers every 12 - 25 days: 500 - 1500 times solution of Yuhualing No. 6, 0.01 - 0.3% potassium dihydrogen phosphate, 0.01 - 0.3% amino acid foliar fertilizer, 0.005 - 0.2% boron fertilizer. The method of the present invention can effectively reduce the incidence rate of polyembryonic fruits in macadamia nuts.

The utility model relates to the technical field of rose raw material screening, in particular to a rose raw material screening device for rose essential oil extraction, which comprises a screening machine main body and a feed inlet, the feed inlet is positioned at the top of the screening machine main body, a scattering rod is rotatably connected inside the feed inlet, one end of the scattering rod is fixedly connected with a conveying groove, and the other end of the scattering rod is fixedly connected with a conveying belt. According to the rose raw material screening device for rose essential oil extraction, the use efficiency and convenience of equipment are greatly improved, the rose raw material screening device can adapt to the sizes and shapes of stamens and rhizomes of different types, the screening efficiency is improved, the screening efficiency is improved, the screening efficiency is improved, and the screening efficiency is improved. And the situation that the screening effect is poor due to the fact that the sizes of the screening holes are consistent, and consequently labor cost is generated can be avoided.

The present invention provides a rose gene RhJMJ25, the gene sequence of which is SEQ ID NO.1. The present invention also provides the application of the gene in the development of plant flower organs and in low temperatures. Previous research found that the RhJMJ25 gene plays an important role in low-temperature-induced rose flower organ deformities. Based on this, in view of the gap in the RhJMJ25 gene in regulating roses, the present invention provides the application of the rose gene RhJMJ25 in regulating the development of rose low-temperature flower organs. Furthermore, the gene can be applied to the development of plant flower organs, such as increasing the number of petals, petalization of stamens, and regulation of low-temperature tolerance.

The present invention relates to the technical field of pine hybridization. The present invention provides a method for distant hybridization of the genus Pinus based on stock-scion interaction, comprising the following steps: (1) selecting stock and scion of different tree species for grafting to obtain a grafted plant; (2) cultivating the grafted plant, removing the stamens and bagging before the female flowers of the grafted plant turn white; (3) after the female flowers of the grafted plant turn white, artificial pollination is performed using pollen of a pine tree of the same variety as the stock. The present invention uses pine trees of different factions for grafting and hybridization, and utilizes the horizontal transfer of small molecules between the stock and scion to achieve the possibility of interspecific hybridization, thereby overcoming the problem of highly incompatible hybridization between different subgenera of pine trees.

The fruit and vegetable pollination device comprises a pollination pipe, a pollination cover, a pollination sharp pipe and an arc-shaped pollination head, a head pipe, a middle pipe and a rear end pipe which are detachably connected in sequence are arranged in the pollination pipe, a pollen spray head is arranged at the end of the front side of the head pipe, a handle is arranged on the rear side of the rear end pipe, and a force holding belt is arranged on the handle. The rear end pipe is communicated with the pollen barrel through a hose, a driving pump machine is arranged at the hose on the pollen barrel, an opening switch is arranged on the handle, and the pollen spray head can be detachably connected with the pollination cover, the pollination sharp pipe and the arc-shaped pollination head respectively; the pollination tube is connected with the handle, and the pollination tube is communicated with the pollen barrel through the hose, so that during pollination, the pollen barrel is carried on the back, the handle is held by a single hand, a switch is turned on, pollination can be performed, and labor is saved and convenience is achieved; besides, by arranging the pollination cover, the pollination sharp tube and the arc-shaped pollination head, flexible selection can be performed according to the actual variety condition of the fruit and vegetable stamens, and the problem that a wide pollination bin is easy to interfere with branches and leaves is avoided.

The utility model discloses a pepper stamen fine powder taking device which comprises a mounting shell, a screening barrel, a blanking barrel, a driving mechanism and a stirring mechanism, the mounting shell, the screening barrel and the blanking barrel are detachably connected together in sequence from top to bottom, and a filter screen is arranged at the bottom of the screening barrel; the stirring mechanism comprises a rotating shaft and a stirring plate; one side of the top of the rotating shaft is rotationally connected with the mounting shell, one side of the bottom of the rotating shaft extends into the screening barrel, and the stirring plate is fixedly connected to the bottom of the rotating shaft; the driving mechanism is arranged in the mounting shell and used for driving the rotating shaft to rotate. The driving mechanism drives the rotating shaft and the stirring plate to rotate, pepper stamens in the screening barrel are stirred, separation of fine powder from the stamens can be accelerated, the separation effect is effectively improved, and the separation efficiency is improved.

The present invention belongs to the technical field of pepper processing, specifically a pepper flower stamen thresher, comprising a box, a feed hopper is fixed on the top of the box, a roller is rotatably installed on the lower side of the inner cavity of the box, a plurality of evenly distributed crushing plates are fixed on the outer wall of the roller, a screen is fixed on the lower side of the roller and is inclined along the width direction of the box, a first discharge hole is opened on the lower side of one side wall of the box, and an inclined plate is fixed on the inner wall of the box corresponding to the first discharge hole. The present invention dries the stamens by using a drying mechanism after introducing the stamens into the inner cavity of the box, the stamens slide on the hollow plates, and the first electric heating wire in the inner cavity of the hollow plates can be used to heat the stamens, so that the heat dries the stamens, and after double drying on two hollow plates, the stamens are introduced to the rollers for crushing, so that the dryness of the crushed stamens can be guaranteed, thereby ensuring the separation effect, and effectively avoiding the situation where the dryness is insufficient and adhesion affects the separation effect.

1. Name of the product in this design: Flower Stamen Tea Packaging Kit. 2. Purpose of this design: For packaging of flower stamen tea. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design points: 3D model of Kit 1. 5. Other situations requiring explanation: Part A of the 3D model in Kit 2 is made of transparent material.

The object of the present invention is to provide a material receiving device and an intelligent collection and recycling device for stamen collection and recycling. The material receiving device is mainly composed of a plurality of conveyor belt assemblies that are arranged at intervals and can be independently conveyed, etc. Among them, the gap area formed between two adjacent conveyor belt assemblies gradually increases along its conveying direction to separate stamens of different grade lengths. Compared with the prior art, the material receiving device and the intelligent collection and recycling device for stamen collection and recycling provided by the present invention can achieve classified collection of stamens to improve the collection efficiency.

The utility model relates to the technical field of peony processing, and discloses stamen and stamen sorting equipment which comprises a base and a sieve, and a collecting body for collecting disintegrating slag is arranged below the sieve; the connecting structure comprises a guide plate, an overturning plate, a limiting rod and a hanging rod, the guide plate and the limiting rod are fixedly connected with the base, the hanging rod is in sliding connection with the limiting rod, the collecting body is rotationally connected with the limiting rod, the overturning plate is rotationally connected with the collecting body, the bottom of the collecting body is attached to the top of the guide plate, and the collecting body slides along the top of the guide plate; the collecting body drives the hanging rod to slide in the sliding groove of the limiting rod, when the collecting body slides to the extending sections of the guiding plates, the collecting body is in an inclined state, when the window of the collecting body is located on the extending sections of the two guiding plates, the overturning plate can overturn under the action of gravity, and then the inclined collecting body can discharge disintegrating slag from the window. And the slag collecting device is easy and convenient to operate, simple in structure and easy to maintain.

The utility model provides a Paeonia ostii petal picking device, relates to the field of deep processing of Paeonia ostii, and is mainly used for solving the problem of high cost of manual picking of Paeonia ostii petals. The paeonia ostii petal picking device comprises a box body used for containing paeonia ostii petals, a hollow cone is arranged in the box body, and the cone head of the hollow cone is arranged upwards; the conical head part is provided with a circular cutting edge, and an insertion tube for inserting a peonies stem is arranged in the conical head part; a driving roller and a floating roller are arranged in the hollow cone, and the driving roller and the floating roller are oppositely arranged and used for clamping pedicels of peonies and pulling the pedicels and stamens of the peonies out of the insertion pipe downwards. The petal picking device is easy to operate, petals can be automatically picked from the roots only by inserting the picked peonies into the insertion pipes, completeness of the petals can be guaranteed, time and labor are saved, and the petal picking cost is greatly reduced. The peony picking device is convenient to use and can be used in cooperation with peony picking.

The invention discloses an artificial pollination device for lilac and a use method of the artificial pollination device, and relates to the technical field of pollination devices. The device comprises a cart main body, an adjusting assembly is arranged on the cart main body, a mounting plate is arranged on the adjusting assembly, a vibration assembly is arranged on the mounting plate, and pollination boxes are arranged at the two ends of the vibration assembly respectively; the upper side and the lower side of the pollination box are both elastically matched with two pressing rods, one ends of the two pressing rods are fixedly connected with a pressing plate, and the pressing rods are sleeved with first springs connected with the pressing plate. Through the arrangement of the first spring, a fixing plate at one end of a pressing rod can be driven to move, when the fixing plate shrinks under the elasticity of the spring, a sponge block at one end of the fixing plate can be driven to move, branches at the roots of pistils needing to be pollinated are clamped and fixed, then the hands of workers can be liberated when the pistils are pollinated, and the pollination efficiency of the pistils is improved. Not only is the harm of the shaking pollination box to the hand of a worker reduced, but also the labor burden of the worker is relieved.

The disclosure provides a Saintpaulia plant comprising at least one flower that is absent of a stamen in the flower and a method of producing the Saintpaulia plant.

The utility model belongs to the technical field of plant breeding equipment, and particularly relates to a castration tool for breeding. The tool comprises two structural components, namely a pair of castration scissors and a pistil protection tube, the castration scissors are composed of two scissor blades, wherein the middles of the two scissor blades are connected together through a pin shaft, and the two scissor blades can be freely opened and closed around the pin shaft. The tail ends of the scissor blades are handles for hand holding, and the front ends of the scissor blades are of inward edged semicircular structures; after the front-end shear blades, the semicircular shear blades and the rear-end shear blades of the two shear blades are closed, a circular hollow shear opening capable of accommodating a flower corolla can be formed; the handle is of a round or oval structure. The pistil protection tube is a hollow sleeve which is gradually reduced from the top to the bottom and is in a cone-like shape as a whole. According to the breeding castration tool, stamens and part of corolla can be sheared off at a time, the problems of mistaken shearing, missed shearing and the like can be effectively reduced, the manual operation difficulty can be effectively reduced, and the cross breeding work efficiency can be improved.

1. The name of this design product: Mold (Peony Stamen). 2. Application of this design product: for pattern moulds. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of rice breeding, and discloses rice breeding equipment capable of emasculating rice pollen, which comprises a shell, an adjusting mechanism is arranged in the shell, and an emasculation mechanism is arranged on the side surface of the adjusting mechanism; the castration mechanism comprises a fixing plate, and a fourth servo motor is fixedly installed on the side face of the fixing plate. When the position is adjusted and male flowers need to be sheared, a fourth servo motor is started to drive a fourth threaded rod to rotate, drive a first connecting piece to move and drive a second connecting piece to deflect, and the fourth servo motor is matched with a second connecting rod to drive a shearing block to deflect with the lower end of the second connecting piece as an end point to shear the male flowers; after shearing is completed, stamens stay above three shearing blocks, at the moment, a castration mechanism is moved to the position above a collecting box through an adjusting mechanism, a fourth servo motor is rotated reversely, the shearing blocks are driven to be opened, the stamens fall into the collecting box through gravity, automatic shearing of the stamens can be achieved, the castration efficiency is improved, and the practicability and the automation degree of the device are improved.

The invention provides a method for improving the cowpea hybridization maturing rate, and belongs to the technical field of cross breeding. The method comprises the following steps: (1) collecting pollen of a male parent within 48 hours after flowering; (2) selecting a variety with strong podding ability as a female parent, and removing stamens 18-72 hours before flowering; and (3) within 0-48 hours of emasculation of the female parent, carrying out artificial pollination by using the pollen collected in the step (1). By adopting the method disclosed by the invention, the cowpea hybridization maturing rate is obviously improved.