171results about "Agriculture" 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.

This invention describes a new method to generate cereal crop seed. The process involves the delivery of pollen of the male parent at will, as available either in a preserved pollen bank, or using real-time collection from male plants as they become available. Desired pollen is delivered to fertile females during the period when viable pollen from the females and locally proximal unrelated plants is not being released. The delivered male pollen is in such amounts and fortuitously timed that it preferentially pollinates the females. Such fortuitous timing may involve the intentional application of pollen to females a day or two prior to female parent pollen becoming viable, and / or during several periods wherein female parent pollen and / or other proximal plant pollen is not being shed.

The present invention belongs to the technical field of plant pollination devices, and particularly relates to a handheld electric fruit tree pollinator and a pollination method. The handheld electric fruit tree pollinator includes: a depth camera (1), a lateral vibration motor (2), a lateral vibration motor cover (3), a solenoid valve (4), a solenoid valve cover (5), a sealing ring (6), a filter screen (7), a filter screen connecting piece (8), a fluff brush connecting piece (9), a fluff brush (10), a longitudinal vibration motor cover (11), a longitudinal vibration motor (12), a powder chamber cover (13), a powder chamber (14), an elastic rod (15), a screw (16), a multi-joint arm hand rod (17), and an intelligent controller (18); the present invention is convenient to carry and simple to operate; the solenoid valve is closed in the non-working state, reducing pollen waste; based on the pollination principle of insects (bees), the pollen is charged with static electricity through the fluff brush and high-frequency vibration, improving the pollination success rate and reducing the damage to the inflorescence.

A pollination control structure comprises a support; a plurality of support fixings, each support fixing being attached to or integral with the support, and; a barrier member comprising a plurality of barrier member pieces. At least one of the barrier member pieces is releasably attached to at least one of the support fixings by an intermediate fixing. The barrier member piece is releasably attached to the intermediate fixing, and the intermediate fixing is releasably attached to the support fixing.

The invention relates to the field of tomato pollination, and provides a tomato adaptive pollination method, device and equipment, a storage medium and a program product, and the method comprises the following steps: obtaining a three-primary color image set and a three-dimensional point cloud picture of a tomato plant; training a target detection model through the three-primary color image set to obtain a flowering period segmented image output by the target detection model; training a deep learning network through the segmented image of the flowering period and a fused image of the three-dimensional point cloud image to obtain a neural network model; and controlling a target robot to pollinate the tomato plant based on the flower posture and the flower space coordinate output by the neural network model. According to the invention, the flowering stage flowers are identified through the target detection model, the flowering stage flowers are positioned through the neural network model, and the tomato flowers are adaptively pollinated through the target robot based on the postures and positions of the flowers, so that the pollination efficiency and accuracy are improved.

The invention concerns a system (1) for the cultivation of a crop (2), comprising rows of elongate growth trays (3, 4, 5) that are situated side by side in a cultivation area having a length direction and a transverse direction, the system comprising a frame (10) extending across one tray or a number of trays (3, 4, 5), and movable in the length direction and / or in the transverse direction, the frame carrying vertically extending pollination members (20, 21, 22) extending from the frame to a predetermined distance from the growth trays and an actuator (25, 26) connected to each pollination member for driving the pollination members (20, 21, 22) and exerting a shaking force on the crop below, wherein the actuator comprises a motor (34, 43, 44) having a vibrating drive member, the pollination member (35, 36, 37, 45, 46) comprising flexible strips or tubes for contacting the crop.

The invention discloses a rape seed net room breeding mechanical pollination device, which comprises a greenhouse body, a displacement mechanism and a pollination mechanism, the greenhouse body is internally provided with a longitudinal track through a suspension rod, the longitudinal track is provided with the displacement mechanism, and the displacement mechanism is provided with the pollination mechanism through a steel wire rope; the pollination mechanism comprises a vertical block and a mounting sleeve, the mounting sleeve is welded on the side wall of the vertical block, the mounting sleeve is obliquely arranged on the vertical block, the included angle between the mounting sleeve and the vertical block is 45 degrees, and a poke rod matched with the side edge of the plant body is arranged in the mounting sleeve in a pluggable mode. The mechanical pollination device for breeding the rape seeds in the net room is simple in structure, practical in function and ingenious in design, and effectively solves the problems that the workload of artificial pollination is large, branches and flowers are seriously damaged, and the yield is influenced to a certain extent.

The invention relates to the technical field of corn seed production, and discloses a corn seed production portable pollination device which comprises a first sleeve bag and a second sleeve bag, the bottom of the first sleeve bag is provided with a first bifurcated bag opening and a second bifurcated bag opening, the first sleeve bag is arranged on tassels of corn in a sleeving mode through the first bag opening, the first bag opening and corn stalks are bound and sealed at the bifurcated position through a binding belt, and the second bag opening is provided with a second bifurcated bag opening. A second bag opening is formed in the bottom of the second sleeve bag, a pollen storage device is arranged at the second bag opening and used for storing pollen falling from the tassels, a third bag opening is formed in the bottom of the second sleeve bag, the second sleeve bag is arranged on the female ears of the corn in a sleeving mode through the third bag opening, the third bag opening and cornstalks are bound and sealed through a binding belt, and the female ears are isolated from the outside. A fourth bag opening is formed in the top of the second sleeve bag and is in a normally-closed state. Through the arrangement of the pollen storage device, the second bag opening of the first sleeve bag and the fourth bag opening of the second sleeve bag are matched, the pollen receiving process is simplified, the operation difficulty is reduced, and the probability that external pollen is mixed in the bagging pollination process is greatly reduced.

The present invention relates to a storage device for vegetable hybrid pollination, including a storage box and a filter, etc.; a filter for pollen recovery and water absorption is installed at the front of the storage box; a power assembly moves the conduit on the filter to the position of the horn head to remove the pollen remaining on the horn head. The operator of the present invention sits astride on the vehicle seat, and then the operator controls the vehicle body to move in the specified lane in the vegetable hybrid greenhouse, avoiding standing for a long time in the shorter vegetable shed for pollination, which is inconvenient and easy to fatigue. After the pollination is completed, the pollination tool is put back into the storage box, and the pollen on the horn head is sucked away by the filter in time, and the pollen is collected in the filter, and then the filter element in the filter can be replaced to recover the pollen on the replaced filter element, effectively realizing the recycling of pollen, and also avoiding the pollen remaining on the horn head to contaminate the pollen used for hybrid pollination of other vegetables.

The invention discloses supplementary pollination equipment for flower seed cultivation, and belongs to the field of flower pollination equipment.The supplementary pollination equipment comprises a powder spraying pipe body, a pollen storage bin is fixedly connected to the upper end of the powder spraying pipe body, a handle is fixedly connected to the right side of the lower end of the powder spraying pipe body, and a powder spraying driving assembly is arranged in the powder spraying pipe body; a worker pulls a pulling block to enable a sliding block to drive a first piston plate to move, during moving, a baffle is firstly attached to the interior of a powder spraying pipe body, gas in a gas shell is continuously compressed in the process, when the baffle moves to a circular groove, the gas can be rapidly sprayed out under the action of gas pressure, and the gas spraying effect is improved. According to the method, the sliding block can be slowly moved, and compared with the prior art that rapid extrusion is needed, rapid airflow can be generated under the condition that the sliding block is slowly moved, so that the device is more convenient to use, people cannot rapidly feel hand acid, and the using effect is improved.

The present invention relates to the field of breeding technology, and in particular to a pollination device for green pepper breeding. It includes a control shaft, a first guide rod, a second guide rod, a pollen box, a blowing assembly and a pollen nozzle. The control shaft is connected with a guide sleeve, a sliding rod is slidably matched in the guide sleeve, and the sliding rod is hinged with a first sliding sleeve. The first guide rod and the second guide rod are perpendicular to the control shaft, the first guide rod and the second guide rod are perpendicular, and the first sliding sleeve is sleeved on the first guide rod. The first guide rod has a first axial cavity, a powder rod is slidably matched in the first axial cavity, and the powder rod is provided with a receiving groove for digging pollen. The first guide rod is provided with an axial slide groove, and the inner side wall of the first slide sleeve is connected with a slider, and the slider is slidably matched with the axial slide groove. The first guide rod is provided with a powder outlet, and the powder outlet is connected to the first axial cavity. The powder rod has an air blowing channel, and the air blowing channel is connected to the receiving groove. It can more accurately control the pollen usage of a single pollination, effectively improve the pollen utilization rate, and optimize the pollination effect.

The invention relates to a pollen distribution device (2, 102) for crop plants in an agricultural field (4, 104), the device (2, 102) comprising a carrier structure (6, 106) configured to be moved along rows (8, 108) of crop plants of the agricultural field (4, 104) in a moving direction (10, 110), a blowing device (12, 112) attached to the carrier structure (6, 106), wherein the blowing device (12, 112) comprises at least one nozzle arrangement (14, 114) configured to blow air against pollen bearing plants (16, 116) of the agricultural field (4, 104). According to the invention it is proposed that the nozzle arrangement (14, 114) comprises a vaporizing device (18, 118) for adding humidity to the air leaving the nozzle arrangement (14, 114), in particular wherein the vaporizing device (18, 118) is configured to increase the relative humidity of the air leaving the nozzle arrangement (14, 114) between 60 % and 80 % to ensure high relative humidity suitable for pollen viability preservation by atomizing the water particles.

An aerial craft and sealed force vectoring flight system is disclosed. The aerial craft includes a main body hull, lift jets, a generator, an electrical re-introduction circuit, a hydraulic pump, air flow compressors, an RPM sensor, a max speed limiter hydraulic draft by-pass valve, and a battery. The electrical re-introduction circuit throttles the generator into high-velocity rotation and yields excess electrical current to then be applied to the lift jets. The hydraulic pump pulls pressurized hydraulic fluid across a preceding hydraulic drive impellor such that the pressurized hydraulic fluid returns to confinement under pneumatic pressure faster than a discharge of hydraulic fluid. The air flow compressors generate electricity that is re-introduced into the lift electric motors. The RPM sensor and max speed limiter hydraulic draft by-pass valve speed regulate the generator. The battery initially powers the generator.

The invention belongs to the technical field of agricultural planting, and particularly relates to a method for increasing the fruit setting number of macadamia nuts, which comprises the following steps: separating selected macadamia nut female parent and male parent plants by using an insect-proof net before flowering so as to avoid the influence of insects; after the female parents enter a full-bloom stage, selecting sunny weather with the daytime air temperature of 20-30 DEG C and the wind speed of less than 1m / s, cleaning original pollen on styluses of the female parents by using a sterile writing brush, brushing the collected pollen of the male parents on the styluses by using a brush pen for pollination, keeping isolation for 14 days after pollination, and then removing the insect-proof net. The high-affinity pollination combination is screened by combining germplasm such as Guijin No.1, Guijin A4 and Guijin YM26 with pollen viability. The optimal pollination combination is screened by evaluating the affinity of 16 hybrid combinations of 10 germplasms of macadamia nuts. Results show that when A4 is used as a male parent and Guihot No.1 is used as a female parent, the affinity of cross pollination is the highest, the success rate of cross pollination is remarkably improved, the average fruit setting number is remarkably increased, and effective technical support is provided for high-yield cultivation of macadamia nuts.

The invention relates to a fruit tree pollination device for fruit tree planting. The fruit tree pollination device comprises a handheld grip, an induced air box, a mobile power supply, a control switch, a pollen box, a first large-diameter section, a necking section, a throat pipe, a flaring section, a second large-diameter section, a negative pressure pipe, a shunt pipe, a fan, an electrostatic generator and two electrostatic emission rings, negative pressure is generated at the throat pipe according to the Bernoulli principle, mixed liquid rises along the negative pressure pipe and then enters the two pollination pipes, in the pollination pipes, the mixed liquid is impacted by air flow to become mist, and the mist is sprayed on flowers in the form of spray with pollen, so that the pollination effect is improved. The sprayed mist is in contact with the two electrostatic emission rings before being sprayed out to carry positive charges and negative charges respectively, and has a trend of approaching to the middle under the action of mutual attraction of the positive charges and the negative charges, so that the situation that the sprayed pollen drifts to other places due to the influence of the environment can be reduced; the uniformity and consistency of pollination are improved, and the pollen utilization rate is high.

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.

This invention describes a new method of grain production in corn wherein a designated female corn plant is pollinated with designated male corn plant pollen from an unrelated genetic background. In the method, a designated female plant having both female and male components is grown. Intentional pollination may occur on one more days, is intentional, and occurs at a time when male components are not male sterile and are not shedding pollen. Accordingly, the process involves the intentional delivery of unrelated designated male plant pollen at will, as available either in a preserved pollen bank or real-time collection from male plants as they become available, in a growth chamber for example. The delivered designated male plant pollen is in such amounts and fortuitously timed that it preferentially cross-pollinates the designated female plant.

The invention discloses supplementary pollination equipment for flower seed cultivation, and relates to the technical field of flower pollination, and the supplementary pollination equipment comprises a fixed seat which is fixedly connected with one end of a fixed shell; the adjusting mechanism and the pollination mechanism are arranged on the fixed shell; the adjusting mechanism comprises an adjusting unit, a sliding unit and a rotating unit. Through the arrangement of the adjusting unit, a threaded rod is rotated to drive a fixing pipe and a sliding ring to move, the sliding ring moves to drive a plurality of rotating plates to rotate through a plurality of first connecting rods, when the sliding ring moves in the direction of a mounting block, a protective cover is opened, and when the sliding ring moves in the direction of a fixing base, the protective cover is closed; the opening size of the protective cover can be adjusted, flowers of different sizes can be covered, a fixing pipe moves to drive an L-shaped rod, a sliding plate, an electric telescopic rod and a piston to move, the size of a water cavity and the size of an air cavity can be adjusted, and therefore the water spraying amount and the air blowing amount can be adjusted according to the sizes of the flowers.

The present invention relates to a pollen spraying device (2, 102) for crops in a field (4, 104), the device (2, 102) comprising a carrier structure (6, 106) configured to move in a moving direction (10, 110) along a row (8, 108) of crops in the field (4, 104), and a blowing device (12, 112) attached to the carrier structure (6, 106), the blowing device (12, 112) including at least one nozzle array (14, 114) configured to blow air against a pollen-producing plant (16, 116) in the field (4, 104). According to the present invention, the nozzle array (14, 114) includes a vaporizing device (18, 118) for adding humidity to the air exiting the nozzle array (14, 114), and in particular, the vaporizing device (18, 118) is configured to increase the relative humidity of the air exiting the nozzle array (14, 114) by 60% to 80% by atomizing water particles, so as to ensure a high relative humidity suitable for maintaining pollen survival rate.

The invention discloses a pollinator for corn breeding, and belongs to the technical field of corn pollination, the pollinator comprises a straight cylinder, a top cylinder slidably connected with two ends of the straight cylinder and two straight rods arranged outside the straight cylinder, the inner wall of a piston cylinder fixedly connected with the upper end of each straight rod is slidably connected with a piston rod, and the upper end of each piston rod is fixedly connected with the corresponding top cylinder; a gear ring rotationally connected with the upper surface of the piston cylinder is in threaded connection with a reciprocating thread formed in the outer surface of the piston rod. According to the corn pollen spraying device, a first motor and a second motor work to drive a gear and an eccentric wheel to rotate, the vibration effect of up-down and left-right movement of a straight barrel is improved under the cooperative arrangement of an atomization piece, and therefore scattering of pollen of corn ears is increased, meanwhile, water in the straight barrel is atomized into small-particle water mist through work of the atomization piece, and the water mist is sprayed out. The pollen particles are humidified and settle towards the lower part of the straight cylinder, so that the pollen particles are better settled on the filaments, the humidified filaments are easier to adsorb the pollen, and the corn pollination effect of the device is improved.

The invention discloses an auxiliary pollination method for male parents and female parents with large height difference, which is used for pollination for hybridization when the height difference between the male parents and the female parents is large, and comprises the following steps: planting male parent rows and female parent rows in parallel at intervals according to a ratio of 1: 3, the row width is 1.2-1.3 m, a walking channel is arranged between the male parent rows and the female parent rows, and the walking channel is communicated with the male parent rows and the female parent rows; an auxiliary pollination tool is used in the walking channel and comprises a pollination channel, an inlet of the pollination channel corresponds to a male parent row, an outlet of the pollination channel corresponds to a female parent row, and an instrument for guiding airflow from the inlet to the outlet is arranged in the pollination channel, so that the tool sucks male parent pollen through the inlet and conveys the pollen to female parents through the pollination channel and the outlet. Pollination is assisted by air flow transmission across the height difference, and the inlet and the outlet are trumpet-shaped. In the invention, the tool is used for sucking pollen of the male parent through airflow in the walking process and guiding the pollen to the female parent, so that the height difference between the male parent and the female parent is overcome, and the pollination rate is improved under the condition that the height difference between the male parent and the female parent is relatively large.

The invention provides novel systems and methods for drying and storing pollen. The invention further provides novel methods for delivering pollen to a recipient plant. The systems provided herein include a chamber configured to permit a drying gas to contact pollen, a source for the drying gas, and an instrument configured to measure the humidity of the drying gas or a sensor configured to measure the moisture content of the pollen. The methods provided herein include methods of drying pollen to a desired moisture content, methods of storing dried pollen, and methods of applying the dried or stored pollen to at least a recipient plant, thereby pollinating the recipient plant with the dried or stored pollen from the donor plant.

The present invention discloses a blueberry hybrid pollination assistant, which relates to the technical field of hybrid pollination, and comprises a bottom plate and a spray gun, wherein a protective shell is fixedly mounted on the top surface of the bottom plate, an air compressor is fixedly mounted on the surface of the bottom plate, a connecting pipe A is mounted on the output end of the air compressor, a bracket is fixedly mounted on the side of the protective shell, a motor is fixedly mounted inside the protective shell, a gear A is mounted on the output end of the motor, a gear B is rotatably connected inside the bracket, and a winding roller is fixedly mounted on the surface of the gear B. In the present invention, the design of the winding roller and the clamp block facilitates the storage of the connecting pipe B and the spray rod, and the problem of reduced pollination efficiency caused by the need for staff to manually pollinate blueberries is avoided by driving the spray gun to pollinate blueberry trees. At the same time, the pollination efficiency is improved compared to insect pollination, and the situation that pollination cannot be performed due to the influence of weather will not occur.

The invention discloses a breeding device and method for corn hybrids, and relates to the technical field of corn breeding devices. The device comprises a pollination device, the pollination device comprises a pollination box, the pollination box is hollow, a feeding port is formed in the upper surface of the pollination box in a penetrating mode, two symmetrically-distributed fixing frames are arranged at the upper end of the interior of the pollination box, each fixing frame is in a U shape, the two ends of each fixing frame are fixedly arranged on the inner wall of the pollination box, and a screening assembly is arranged between the two fixing frames; a discharging box is fixedly arranged at the position, below the two fixing frames, in the pollination box, and a timing discharging assembly is arranged in the discharging box; the screening frame can continuously move up and down through the cam, the moving block and the reset spring, pollen is screened and filtered in cooperation with the screening net, operation can be conducted when pollination personnel pollinate female parents, operation steps are saved, operation by workers is facilitated, and the pollination efficiency is improved.

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.

An apparatus for indoor pollination, an indoor pollination system and a method for indoor pollination. The apparatus for indoor pollination includes a first ultraviolet (UV) light source configured to emit pollination enhancing light, an arthropod trap, and a second UV light source housed in the arthropod trap and configured to emit arthropod attracting light. A microprocessor is configured to switch on or off the first and second UV light sources depending on pollination requirements.

The invention discloses a forestry slice-planted plant pollination device, which comprises a box body, a pollination mechanism is arranged outside the box body, the pollination mechanism comprises two rotating cylinders, the outer surface of the rotating cylinder on one side is fixedly connected with a fixed pipe through a fixed column, the inner part of the fixed pipe is movably connected with an arc head, and the arc head is fixedly connected with the outer surface of the rotating cylinder on the other side. A telescopic rod is fixedly connected to the outer surface of the arc head, a rotating rod is fixedly connected to the outer surface of the telescopic rod, the end of the rotating rod is rotationally connected with the interior of a fixed pipe in an embedded mode, and a driving motor is fixedly connected to one end of the rotating rod through a coupler. The problems that the overall pollination efficiency is still low due to the fact that pollen used for spraying needs to be manually collected in advance, and the pollen pollination quality is low due to the fact that pollination is conducted by spraying the pollen, the pollen concentration is reduced, the flower bud orientations are different, and a solution drives the pollen to flow are solved.

The present invention provides a corn pollination device, comprising: a main barrel having a front hole formed on its circumferential surface; a humidifying assembly, a powder adding assembly, and a PLC controller disposed on the top of the main barrel; a waterproof membrane disposed on the PLC controller; a cleaning assembly disposed on the bottom of the main barrel; an inner box fixedly connected to the interior of the main barrel; an inner motor fixedly connected to the interior of the inner box; and a rotary disk fixedly connected to the output end of the inner motor. The main barrel, the powder adding assembly, a water bucket, an alarm, a water inlet pipe, a liquid level gauge, a water pump, a water outlet pipe, an atomizing nozzle, the inner box, the inner motor, the rotary disk, a thread guide plate, and an air pump are provided. During pollination, the water pump can be activated to humidify the interior of the main barrel using the atomizing nozzle to increase the humidity during pollination. Simultaneously, the inner motor and the air pump are activated to rotate the rotary disk, thereby drawing corn silk from the outside into the main barrel. This ensures that the pollen and corn silk fully contact and are fully pollinated, thereby improving the pollination rate and efficiency.

As is well known, maize pollen is fragile and is easy to degrade if not stored properly. Unlike some tree pollen that can be very cold-resistant and can be successfully fertilized over several months or years after it is scattered, maize pollen remains viable over only several hours before it is degraded after it is scattered. Described herein are inventions for storing maize pollen, wherein the pollen is collected and stored in a refrigerated but non-frozen environment having a breathable strap. The stored pollen as described herein can remain viable for up to twelve days, or two weeks, or more. The vitality of the pollen can be prolonged by adding a carrier compound.

The invention provides a corn pollination device with adjustable pollination amount. The corn pollination device comprises a pollination cylinder and a pollen storage cylinder, the pollen storage cylinder is fixed on the outer side of the pollination cylinder, a transverse adjusting mechanism is fixed on the top surfaces of the pollination cylinder and the pollen storage cylinder, a pollination mechanism is mounted in the middle of the transverse adjusting mechanism, the transverse adjusting mechanism can drive the pollination mechanism to move between the pollination cylinder and the pollen storage cylinder, and a plurality of pollination rods are mounted on an adjusting disc of the pollination mechanism. The bottom end of the pollination rod extends to the bottom end of the adjusting disc, a pollination brush head is fixed to the bottom end of the pollination rod, the pollination rod is controlled to ascend and descend through the lifting air cylinder, pollination operation is carried out by adhering pollen placed in the pollen storage barrel through the pollination brush head, and an inner notch is fixed to the bottom end of the pollination barrel. And the to-be-pollinated end of the corn enters the pollination cylinder through the inner notch. The pollination amount of pollination can be adjusted by adjusting the amount of the pollination rods for pollination, so that the pollination operation can be accurately controlled, and the pollination device is convenient and practical.