18 results about "Self-pollination" patented technology

The invention relates to an autonomous pollination device and method for Amomum villosum, and the device comprises a mechanical dog which is arranged at the bottom of the pollination device and is used for controlling the moving direction and the moving route of the device; the docking station and the laser radar are arranged above the mechanical dog, the laser radar can be used for detecting obstacles, and the docking station can be used for expanding the mechanical arm; the mechanical arm is mounted on the docking station and is used for receiving the pollination signal and executing a pollination instruction; the tail end executor is connected to the tail end of the mechanical arm and used for being aligned with a target flower; the depth camera is connected to the end effector and used for collecting environment information and collecting an image of Amomum villosum; and the flexible clamping jaw is connected to the front of the depth camera and is used for pollinating the Amomum villosum detected by the depth camera. Efficient and accurate pollination is realized, the technical problems that pollen is difficult to fall on stigmas and self-pollination cannot be realized due to the fact that the floral organ structure of the amomum villosum is slightly higher than anther than the special stigmas are solved, and the pollination success rate is increased.

The present invention discloses a breeding device for hybrid drought-resistant rice, specifically relating to the technical field of rice breeding. It includes a planting box, a height adjustment box, an operation box, and a top cover. The height adjustment box is installed at the upper end of the planting box, the operation box is installed at the upper end of the height adjustment box, and the top cover is installed at the upper end of the operation box. By providing an auxiliary ear-taking mechanism and a fixing mechanism, when self-pollination is required for a certain hybrid rice plant in the cultivation box, first pull the handle to make the transparent door panel rotate and the operation window open. The first push plate pushes the rice ear to the operation window, and the second push plate completely pushes the rice ear out of the operation box through the operation window. At this time, artificial pollination of the rice ear can be quickly carried out, and at this time, other plants are still in the independent chamber of the operation box, thus avoiding the pollen of other plants from floating out during pollination, and further ensuring that the plant is completely self-pollinated during pollination.

A new and distinct cultivar of Sambucus plant named ‘Æ-1’, characterized by reliable fruit set, low chill requirement, early and even ripening, short harvest period, and high-quality fruit characteristics. The plant is self-compatible, producing abundant, medium to medium-large fruit after self-pollination, with high concentrations of specific anthocyanins. Additionally, ‘Æ-1’ is particularly suitable for large-scale, commercial production centered in North-Central Florida.

The application belongs to the field of plant biotechnology, and particularly relates to a standardized production method of annual flower amorphophallus konjac seed tuber, which comprises a production method and a grading method. The production method comprises the following steps: collecting flower amorphophallus konjac corms in October-November and storing; when dormancy of the stored flower amorphophallus konjac corms is about to be removed, promoting dormancy removal and flower bud growth of the flower amorphophallus konjac corms; greenhouse sowing, self-pollination, harvesting of seedlings, and environmental condition regulation during the period; promoting fruit cluster maturation by using growth regulators after self-pollination; seedling germination of the seedlings; sowing of the seedlings, field management, and harvesting of the seed tubers; and the grading method comprises the following steps: grading according to the age of the flower amorphophallus konjac corms, the weight of the flower amorphophallus konjac corms, the quality of the seedlings, the seedling germination, and the quality of the seed tubers. The application completes the propagation of the flower amorphophallus konjac seed tuber within one year, and realizes the standardized production of the flower amorphophallus konjac seed tuber by grading the flower amorphophallus konjac corms according to the size and age, grading and screening the seedlings, and harvesting the seed tubers with uniform size.

A chenopodium quinoa cultivation protective cover belongs to the technical field of chenopodium quinoa cultivation and comprises an elastic outer protective cover, and a support is arranged in the outer protective cover. The support comprises a connecting plate and an annular buckle, a plurality of first supporting rods which are obliquely arranged are arranged on the connecting plate at intervals in the annular direction of the connecting plate, the first supporting rods are hinged to the annular buckle through second supporting rods, the annular buckle is used for being connected to a quinoa main stem in a clamped mode, and the support is used for being detachably installed on the quinoa main stem; the outer protective cover covers the periphery of the support under the action of elasticity so as to protect the ears, prevent the outer protective cover from deforming to knock off flowers, effectively prevent external pollen from entering, prevent hybridization from affecting self-pollination of the quinoa, and guarantee high purification of grains.

The application relates to a pollination device and method for the pollination problem of sunflower. The device comprises a base plate arranged above the back of a mechanical dog, and a mechanical arm, an alarm device and an air compressor are arranged above the base plate; the mechanical arm comprises a mechanical arm base and a plurality of intermediate mechanical arms connected in sequence behind the mechanical arm base, the plurality of intermediate mechanical arms are connected through a plurality of hinged parts, a vertically arranged mounting platform is arranged at the end of the mechanical arm, and a flexible clamp mechanism, a blowing module, a vibrating module, a rotating disc module and a depth camera are sequentially arranged on the mounting platform from bottom to top; wherein the blowing module and the vibrating module are mounted on the rotating disc module; the air compressor is connected with the blowing module through an airflow pipeline, and is used for providing an air source for the blowing module, and the air source is blown out from a blowing needle arranged at the top of the blowing module through the airflow pipeline. The application solves the problem that sunflower is difficult to self-pollinate.

The invention relates to the technical field of crop breeding, in particular to a pollination method and device for breaking the self-incompatibility of isatis tinctoria, and the method comprises the following steps: selecting plants, trimming, installing an insect prevention cover, spraying, pollinating, removing an insect prevention device and harvesting. The invention provides the pollination method for breaking the self-incompatibility of the isatis tinctoria, the method breaks the self-incompatibility of the isatis tinctoria, realizes self-pollination, improves the breeding effect of the isatis tinctoria, has the characteristics of low production cost, good pollination effect and easiness in operation, can greatly improve the self-pollination efficiency of the isatis tinctoria and obtain a selfing line with higher purity, and can be applied to the field of breeding of the isatis tinctoria. The insect pollination hybridization can be well prevented, the isatis tinctoria breeding time can be saved, and the method has a very high application value in the field of isatis tinctoria breeding.

The invention discloses application of a plant pigment interaction factor gene PIF4 in regulating and controlling plant self-incompatibility. The plant self-incompatibility can be effectively inhibited by inhibiting PIF4 gene expression. According to the invention, the fact that the plant pigment interaction factor gene PIF4 can regulate and control S-RNase expression is determined for the first time, so that the self-incompatibility of plants is regulated and controlled; the application is easy to operate and good in effect, the self-pollination maturing rate can be increased by 33%, and the method has excellent breeding application prospects.

The present disclosure provides an agrochemical composition having a flavonoid. In certain aspects, the present disclosure also provides methods for restoring fertility in a flavonoid dependent fertile (FDF) plant including applying an effective amount of the agrochemical to the FDF plant. In certain aspects, the present disclosure also provides methods for inducing self-pollination in an FDF plant including applying an effective amount of the agrochemical to the FDF plant.

The present invention discloses a method for overcoming self-incompatibility reaction in cruciferous plants, which relates to the field of plant biotechnology. This method is to treat the stigma tissues of self-incompatible Arabidopsis thaliana and Chinese cabbage with the autophagy process inhibitor wortmannin, then perform self-pollination on the treated stigma tissues, and finally obtain the self-crossed seeds of self-incompatible plants. The present invention has the following advantages and positive effects: ① This method uses the autophagy process inhibitor wortmannin to treat the stigmas of self-incompatible Arabidopsis thaliana and Chinese cabbage for the first time, which can effectively overcome their self-incompatibility and obtain self-crossed seeds. ② This method uses a single agent for treatment, with simple operation and stable effect, and does not require the aid of special tool equipment. ③ Using this method to overcome the self-incompatibility reaction has a stable effect in different species of cruciferous plants, providing a theoretical and practical basis for expanding the application range of self-incompatible lines in heterosis utilization.

Provided is an improved method to facilitate breeding hybridization by using chemicals to prevent flower self-pollination in sunflower and other species, bypassing the need for manual emasculation. The high labor cost associated with the production of hybrid seeds in some key crops and some certain plant species is a persistent challenge, due to the laborious and highly specialized nature of the current method of manual emasculation.

The tool comprises an upper clamping plate, a lower clamping plate, a clamping end, a fixing base, a rolling structure and a flattening auxiliary structure, rolling laying paper is arranged, a worker pulls the rolling laying paper out of a paper containing groove manually, the rolling laying paper can be rolled and unrolled along a rolling and unrolling shaft, a clamping block is clamped into a clamping opening, and the rolling laying paper can be pulled out of the rolling laying paper through the flattening auxiliary structure. The outer edge end of the rolling laying paper is connected with the side edge of the folding frame, so that the rolling laying paper is laid below the lower clamping plate to form a rectangular area, a person pinches the peripheries of the upper clamping plate and the lower clamping plate with fingers, the clamping ends are aligned with male flowers, the male flowers are pulled out through force exerted by the person, in the pulling-out process, pollen falls on the unfolded rolling laying paper, and therefore the male flowers are pulled out. Pollen is prevented from falling into a sunflower disc, and self-pollination is avoided.

The invention relates to a pollination device and method aiming at the pollination problem of Amomum villosum. The device comprises a chassis, the chassis is arranged above the back of the mechanical dog, and a mechanical arm, an alarm device and an air compressor are arranged above the chassis; the mechanical arm comprises a mechanical arm base and a plurality of middle mechanical arms sequentially connected to the rear portion of the mechanical arm base, the middle mechanical arms are connected through a plurality of hinge pieces, and a vertically-placed mounting platform is arranged at the tail end of the mechanical arm. A flexible clamp mechanism, an air blowing module, a vibration module, a turntable module and a depth camera are sequentially mounted on the mounting platform from bottom to top; wherein the blowing module and the vibration module are mounted on the turntable module; the air compressor is connected with the air blowing module through an airflow pipeline and used for providing an air source for the air blowing module, and the air source blows out from an air blowing needle arranged at the top of the air blowing module through the airflow pipeline. The method solves the problem that self-pollination of Amomum villosum flowers is difficult.

The present invention relates to a device for simulating atmospheric dry and wet deposition, and discloses a plant cultivation device for simulating atmospheric dry and wet deposition, comprising a device housing, wherein the space inside the device housing is divided into a first compartment (31), a second compartment (32) and a third compartment (33) by a partition (1) and a suspended fine-mesh screen (2) arranged in sequence along the vertical direction therein; a water pipe (5) connected to a plurality of nozzles (4) is installed on the partition (1), and a plurality of fine holes (11) are opened on the partition (1); the fine-mesh screen (2) is connected to a gear speed regulating motor so as to be able to drive the fine-mesh screen (2) to continuously shake; a first fan (6) is arranged on the side wall of the first compartment (31), and a second fan (7) is arranged on the side wall of the third compartment (33). The present invention can better achieve the slow and uniform falling of simulated dry deposition particles and the long-term uniform spraying of wet deposition, ensure the self-pollination of plants, and reduce the influence of the greenhouse effect on the simulation experiment.

The invention relates to a method for breaking self-incompatibility of kumquat at high temperature. The method specifically comprises the step of alternately treating kumquat plants by illumination at 35 DEG C for 14 hours and darkness at 30 DEG C for 10 hours. According to the method, the mandarin orange PN02 is used as a research material, self-pollination is performed after high-temperature treatment, an effective method for breaking self-incompatibility is screened out, the current traditional production mode depending on pollinizers and artificial pollination is expected to be thoroughly changed, simplified and standardized management of facility horticulture and high-quality orchards is realized, and the production cost is remarkably reduced.

The invention provides an oat feeding hybridization method for increasing the maturing rate and application thereof, and belongs to the technical field of oat hybridization, and the oat feeding hybridization method comprises the following steps: S1, selecting oats of different varieties or different germplasm resources as female parents and male parents; s2, performing castration treatment on a first floret of a base part of a non-self-pollinated spikelet of the female parent in the heading period of the oat, and performing bagging treatment; s3, taking out anther or pollen which is just cracked from the male parent, and pollinating the anther or pollen to stigmas of the female parent; s4, bagging the pollinated female parent until the pollinated spikelet grows seeds; according to the method, the uppermost spikelet which is subjected to flower closing pollination, the lowermost tender spikelet and other florets in the spikelet are removed, and only the first florets at the base part are reserved for pollination, so that the nutrition supply of the pollinated florets is improved; the method comprises the following steps: taking out faint yellow, namely, just cracked anther or pollen from male parent spikelets, pushing aside inner hulls, and feeding the anther or pollen to stigmas of female parents to simulate that fresh anther in a natural environment is scattered to the stigmas, so as to increase the pollination maturing rate.

The invention relates to a gene RcFULL for regulating and controlling organ development of China rose. The sequence of the gene RcFULL is as shown in SEQ ID NO. 1. The RcFULL gene is cloned in'calyx ', heterologous expression of the RcFULL gene causes precocious flowering of an arabidopsis thaliana positive strain, and compared with an empty vector transfected plant, the pistil form of a flower of the RcFULL positive plant is prominent and longer, the number and the form of stamens are not changed, but the condition that the stamens and the pistils cannot be self-pollinated occurs. The color of petals of the RcFULL positive plant is green, the color close to the main vein is deepest, the edge is white, the shape is similar to a leaf shape, the petals become smaller, the whole plant is in a narrow oval shape, the color and the shape of sepals are not greatly different, but the number of the sepals is increased. The result of the invention provides an important clue for further understanding the function of the RcFULL gene in China rose development.

The invention discloses a flowering phase synergy and compound pollination two-line hybridization method based on quinoa female first-ripening female parents, and belongs to the technical field of crop breeding and hybrid seed production. According to the method, quinoa plants with the female first-ripening characteristic serve as female parents, and the pollen scattering period of the male parents and the pollen receiving window period of the female parents are overlapped through cooperative adjustment of the flowering periods of the male parents; when florets of the female parent are in a full blooming state, stigma branches are exposed, transparent mucus appears on the surfaces of the stigma branches, and corresponding anther does not crack, it is judged that the female parent is in an optimal pollination window period; hybrid seeds are obtained by combining wind-medium supplementary pollination, male parent pollen collection and short-time preservation and supplementary pollination of a pollinator in the period. The female parent has self-pollination and fruiting capabilities, so that the invention belongs to a quinoa two-line hybridization method.