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71 results about "Stamen" patented technology

The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium.

Rapid field apocynum venetum pollen collecting device

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.
Owner:TARIM UNIV

Path planning method, device and medium for flower pollination

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.
Owner:QINGDAO UNIV OF SCI & TECH

Transcription factor CsKNAT1 and application thereof in regulation and control of development of tea trees

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.
Owner:SOUTHWEST UNIV

ZaSCL3 gene for regulating and controlling plant growth and development as well as encoding protein and application of ZaSCL3 gene

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.
Owner:CHONGQING UNIV OF ARTS & SCI

Novel tweezers for artificial emasculation and pollination of tomatoes

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.
Owner:XIANGHU LABORATORY

Phagostimulant for improving prevention and control effect of cotton flower thrips and application of phagostimulant

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.
Owner:INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI

Protective agent special for integrated treatment of pollen of Chinese honey locust hybrid flowers, kit and integrated treatment method of pollen of Chinese honey locust hybrid flowers

PendingCN121890595ADead plant preservationBiotechnologyMTT assay
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.
Owner:SHANXI ACAD OF FORESTRY & GRASSLAND SCI

The invention relates to a soapberry SmCYCD3; gene 2 and application thereof

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.
Owner:BEIJING FORESTRY UNIVERSITY +1

A cultivation and management method for reducing the incidence of polyembryonic fruits in macadamia nuts

ActiveCN117502076BFertilising methodsCultivating equipmentsFruit treeMacadamia integrifolia
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.
Owner:GUANGXI SUBTROPICAL CROPS RESEARCH INSTITUTE(GUANGXI SUBTROPICAL AGRICULTURAL PRODUCTS PROCESSING RESEARCH INSTITUTE)

Fruit and vegetable pollination device

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.
Owner:SHANDONG HAOYUE ECOLOGICAL AGRI TECH CO LTD

Device for extracting fine powder from pepper stamens

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.
Owner:SICHUAN PROVINCE CHUAN JIAO SEEDLING IND TECH CO LTD

Flos genitaeae packaging kit

ActiveCN309751258SBiotechnologyEngineering
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.
Owner:TIANXIANGYUAN (LIAONING) BIOTECHNOLOGY CO LTD

Material Receiving Device for Stamen Collection and Recycling and Intelligent Collection and Recycling Equipment

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.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Sorting equipment for stamens and stamens

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.
Owner:山东天宝牡丹健康服务有限公司

Paeonia ostii petal picking device

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.
Owner:LUOYANG WANJINGXIANG PEONY IND TECHN0LOGY CO LTD

Filantherless african violet and methods of breeding thereof

PendingUS20260053105A1Angiosperms/flowering plantsBiotechnologySaintpauliopsis
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.
Owner:HERMANN HOLTKAMP GREENHOUSES INC

Mold (peony stamen)

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.
Owner:SHANXI YINGXIFANG CATERING MANAGEMENT CO LTD

Rice breeding equipment capable of emasculating rice pollen

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.
Owner:明溪县农醒生态农业专业合作社

Method for improving cowpea hybridization maturing rate

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.
Owner:NANJING INST OF VEGETABLE SCI

Field castration and pollination tool for oat grass

The invention relates to the technical field of emasculation and pollination tools, and discloses an oat grass field emasculation and pollination tool which comprises a scissor assembly, the scissor assembly comprises a first cutter body and a second cutter body, and the second cutter body and the first cutter body are symmetrically arranged; when the first cutter body and the second cutter body are closed, an oval cutting notch can be formed between the first arc-shaped cutting edge and the second arc-shaped cutting edge. A pollination component is detachably mounted on the fixing ring. According to the oat grass cutting device, stamens on oat grass flower spikes can be conveniently cut off through the oval cutting notches; after stamens on the flower spikes of the oat grass are cut off, pollen on the pollination component can be coated on the flower spikes to be pollinated through the pollination component; in the process of stamen removal and cross pollination of the oat grass, the scissor assembly and the pollination component can be effectively combined together, so that the use of a worker is facilitated, the working efficiency of the worker can be improved, and meanwhile, the pollination and reproduction speed of the oat grass can be increased.
Owner:MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD

Application of PLC2 gene in regulating growth and development of castor

The application discloses application of a PLC2 gene in regulating growth and development of castor-oil plant and belongs to the technical field of plant genetic engineering. The application discloses application of the PLC2 gene in regulating plant height, seed quality, pollen vitality, flowering period or silique of the castor-oil plant. It is proved that, compared with wild type plants, the plant height of the PLC2 gene overexpression mutant plants is shorter, the leaf abscission is faster, the main stem ear is longer and the flowering is earlier, the number of pistils and stamens is increased, the pistil stigma is longer, the fruits and seeds are fuller, the glossiness is higher, and the mature seed germination rate is higher. It is shown that the PLC2 gene can be applied to genetic engineering and breeding of the castor-oil plant and has important utilization value in cultivating castor-oil plant varieties with excellent traits.
Owner:INNER MONGOLIA UNIV FOR THE NATITIES

Hibiscus flower planting castration tool

The utility model relates to the technical field of hibiscus flower planting tools, and discloses a hibiscus flower planting castration tool which comprises a first semicircle body, a second semicircle body is arranged on the upper side of the first semicircle body, a connecting rod is fixedly connected to the right side of the first semicircle body, and a movable opening is formed in the middle of the connecting rod. A rotating rod is fixedly connected to the position, corresponding to the movable opening, of the middle of the connecting rod, a movable plate is rotationally connected to the outer portion of the rotating rod, the left end of the movable plate is fixedly connected to the right side of the second semicircular body, an inclined opening is formed in the lower end of the movable plate, and an opening is slidably connected to the outer portion of the connecting rod. According to the stamen removing device, the poke rod moves in the opening, drives the second semi-circle body to rotate downwards and is matched with the first semi-circle body to cut off stamens, operation is easy, convenient and easy to use, the stamen removing efficiency can be improved, the draught fan can drive air to flow, suction force is generated at the top of the hose, the cut-off stamens can be collected, and the stamen removing efficiency is improved. The planting and castration efficiency can be effectively improved.
Owner:KAIHUA HAOLING TIANYUAN AGRI DEV CO LTD

Bowl (flower pistil)

1. Name of the design product: Bowl (Flower Stamen). 2. Use of the design product: The design product is a bowl for holding food. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photograph that best shows the design key points: Perspective view.
Owner:QINHUANGDAO RIFU CERAMIC CO LTD

Craft flower

The utility model discloses a craft flower which at least comprises floral leaf structures, petal structures and a stamen structure which are spliced in a stacked mode, any two floral leaf structures are detachably connected through a connecting piece, and splicing parts of the petal structures penetrate through the floral leaf structures and are detachably provided with splicing pieces. The plug connector is used for positioning and mounting the craft flower; and any combination can be carried out according to decoration requirements.
Owner:方伟涛

Intelligent agricultural pollination equipment

The utility model provides pollination equipment for intelligent agriculture, which relates to the technical field of crop pollination, and comprises a fixed sleeve and an adsorption type pollination mechanism, when the pollination equipment is used, required male pollen is filled to the inner side of a hollow storage tube through storage ports at two ends, and a circle of adsorption ports are uniformly formed at the joint of the hollow storage tube and an adsorption tube; male pollen can be adsorbed on the surface of the adsorption tube, adsorption operation of the pollen is facilitated, a dispersed ionization lantern ring is arranged on the inner side of the isolation filter screen, and under the condition of electrification, the dispersed ionization lantern ring can emit charges to the surfaces of stamens through the isolation filter screen, so that the stamens are provided with adsorption charges, and the stamens are prevented from being damaged. By arranging the adsorption type pollination mechanism, the adsorption type pollination mechanism can be used for accurately adsorbing and attaching the pollen to the surface of the stamen, so that the pollen can be uniformly attached to the surface of the stamen, and the pollination precision is improved.
Owner:JILIN JIAHE TECHNOLOGY CO LTD

Multi-cavity mold artificial stamen synchronous forming device and method

The invention discloses a multi-cavity mold artificial stamen synchronous forming device and method, and particularly relates to the technical field of plastic flower production, the multi-cavity mold artificial stamen synchronous forming device comprises a forming box, a gluing box, a flocking box and a drying box are sequentially arranged on the forming box along a conveying path of a crawler-type conveying belt, and the gluing box is used for spraying glue to the surface of a stamen base; the flocking box is used for spreading fluff to the surface of the stamen base, and the drying box is used for drying the stamen base. The gluing box, the flocking box and the drying box are integrated in the same processing equipment, so that the stamen bases can be immediately conveyed into the forming box to be sequentially glued, flocked and dried when being taken out of an injection molding machine and not completely cooled, the stamen bases do not need to be frequently transferred into different equipment, the processing efficiency is effectively improved, and the cost is reduced. And the waste heat of the product is utilized, thereby being more energy-saving and environment-friendly and having a good using effect.
Owner:TIANJIN LIHUADA IMPORT & EXPORT TRADING CO LTD

Pollinator for watermelon breeding

The utility model belongs to the technical field of pollinators, and particularly relates to a pollinator for watermelon breeding, which comprises a pollination auxiliary spray pipe connected to a mobile device, a pollination nozzle is fixedly connected to the front end of the pollination auxiliary spray pipe, and a narrow area pollination auxiliary component is arranged on the outer side of the pollination auxiliary spray pipe. The pollination auxiliary assembly in the narrow and small area comprises a flow dividing spray pipe, a control valve and a telescopic pipe, the telescopic pipe is in sliding connection with the pollination spray head, and the pollination spray head sprays towards a flower bud; during use, the pollination spray head sprays the stamens, the telescopic pipe sprays the stamens in a narrow area through the lengthened position, the pesticide flow channel can be controlled through the control valve, the telescopic pipe moves along the flow dividing spray pipe, the telescopic pipe moves out of the pollination spray head, one end of the telescopic pipe can face the stamens in the narrow area, and therefore pollination operation is completed. The phenomenon that stamens cannot be sprayed is avoided, the pollination effect is reduced, the pollination area is controlled in a centralized mode, and the phenomenon of medicine waste is not likely to be caused.
Owner:SHANDONG SIMULTANEOUS AGRICULTURAL DEVELOPMENT CO LTD

Method for overcoming distant hybridization obstacle of crape myrtle and lythrum salicaria by utilizing gibberellin

The invention relates to a method for overcoming distant hybridization obstacle of lagerstroemia indica and lythrum salicaria by gibberellin, which comprises the following steps: castration: when lagerstroemia indica flowers do not completely bloom and loosen pollen, removing stamens on the flowers with tweezers, and sleeving the flowers with sulfuric acid paper bags for isolation; spraying a gibberellin solution, namely uniformly spraying the gibberellin solution on pistil stigmas of the crape myrtle; pollination: dipping pollen of lythrum salicaria in a cotton swab in sunny weather without strong wind, smearing the pollen on pistil stigmas of lagerstroemia indica treated by a gibberellin solution, bagging in time after pollination, and marking. The technical problem to be solved by the invention is to promote distant hybridization, fertilization and fruit setting of crape myrtle and lythrum salicaria by spraying gibberellin to stigmas before pollination, so that distant hybridization obstacles are overcome.
Owner:BEIJING FORESTRY UNIVERSITY

Breeding method of interspecific hybridization of new varieties of iris plant

The application provides a breeding method for interspecific hybridization of new varieties of Iris, comprising the following steps: 1) selecting yellow flag as the female parent and flower flag as the male parent; 2) opening the drooping petals of the yellow flag, removing the anthers under the style, and sealing the whole stigma with a bag before the yellow flag bud opens and the stamens are not yet shedding pollen; 3) picking the stamens and collecting the pollen for standby use when the stamens of the flower flag begin to shed pollen; 4) selecting the pollination time, opening the bag, smearing solution 1 on the stigma of the yellow flag, smearing the pollen of the flower flag on the stigma, spraying solution 2 on the stigma after pollination, and then sealing the pollinated stigma with a bag, wherein the solution 1 is a GA3 aqueous solution, and the solution 2 is a mixed aqueous solution of sucrose and boric acid; 5) removing the bag after the stigma wilts; 6) harvesting the hybrid seeds after the fruits mature; and 7) subjecting the hybrid seeds in the step 6) to the processes of sowing, seedling raising and transplanting, and finally obtaining the hybrid new variety in bloom.
Owner:SHANGHAI BOTANICAL GARDEN

Rosa chinensis RhbHLH162 transcription factor gene and application thereof in regulation and control of flower type

The invention discloses a Chinese rose RhbHLH162 transcription factor gene and application of the Chinese rose RhbHLH162 transcription factor gene in regulation and control of a flower type. The nucleotide sequence of the Chinese rose RhbHLH162 transcription factor gene is shown as SEQ ID NO: 1. The method disclosed by the invention has the main beneficial effects that the RhbHLH162 transcription factor gene is separated for the first time, and the transgenic tobacco is obtained by constructing a pCAMBIA2300s-RhbHLH162 expression vector and introducing the pCAMBIA2300s-RhbHLH162 expression vector into the tobacco; compared with the control tobacco, the petal stamens of the transgenic tobacco have petals; the RhbHLH162 transcription factor gene provides a molecular biology basis for regulating and controlling the flower type of a plant through a plant gene editing technology; the application of the gene is helpful for regulating and controlling the flower type of the plant, improving the double petal property and petal layer number of the plant and cultivating the ornamental value.
Owner:ZHEJIANG FORESTRY UNIVERSITY