42results about How to "Improve pollination" patented technology

The invention provides a method with effects of saving cost and improving efficiency for liquid pollination of pear tree, which belongs to the fruit trees production technical field. The method comprises the following steps: preparing a nutrient solution in full-bloom stage of pear flowers, adding 0.8g pure pollen in every liter of nutrient solution, spraying and pollinating by an electrostatic sprayer to achieve the purpose of artificial pollination. The pollination method has the advantages of simple operation, fast pollination speed, uniform powder injection, concentration, accuracy, pollen and manual work saving, low cost and the like, and solves the practical problems that pollen can not be uniformly dissolved in water in liquid pollination of fruit trees, pollen is easy to adhere with the wall of a container, pollen is obstructed a nozzle, uneven powder injection causes poor pollination effect and the real application of liquid pollination can not be realized for a long time. According to the invention, the new collected pure pollen (germination rate is 60%-80%) in current year required by per mu is 8-11g. In addition, the method of the invention is capable of increasing the moisture and nutrient of pistil stigma and prolonging the fecundation time of stigma pollination, and the fruit quality can not be affected by increasing the fruit setting rate.

The invention discloses a rapid construction method of a macadamia nut early-fruiting and high-yield garden in a karst rocky desertification mountain area and belongs to the technical field of fruit tree cultivation. The method comprises the following steps: selecting a land and carrying out soil preparation, selecting germchit, carrying out field planting on nursery stocks, carrying out tending management and shaping tree bodies. Specifically, the method comprises: selecting rock pits with the altitude of being lower than 1000m and a soil layer of being 50cm or more, and digging field planting holes; carrying out the soil preparation; selecting non-woven fabric nutrient bags grafted big seedlings as the germchit; carrying out the field planting on 3 to 5 macadamia nut varieties with relatively consistent florescence and fruit maturation period by adopting a mixed planting manner; combining water and fertilizer management and the like; topping when shoots of young plants grow to certain length every time, so as to promote the young plants to branch and culture early-fruiting and high-yield tree crowns. By adopting the method provided by the invention, the macadamia nut early-fruiting and high-yield garden is constructed in the karst rocky desertification mountain area; the garden enters an economic gain period one year ahead of a conventional grafted seedling garden; the investment period is shortened and the investment cost of constructing the garden is reduced; the recovery of vegetation covers of the karst rocky desertification mountain area can be facilitated, water and soil loss is prevented, people are led to a fortune and rocky desertification is managed.

The invention provides a sweet orange planting method. At a germination stage, 1-1.5kg of a germination fertilizer which is topdressed twice is applied per hole; the germination fertilizer comprises the following raw materials in parts by weight: 15-18 parts of urea, 8-12 parts of ammonium nitrate, 18-20 parts of potassium chloride, 35-45 parts of calcium superphosphate, 20-25 parts of diatomite, 1-2 parts of JT composite bacteria and 20-30 parts of biogas slurry; and at a fruit swelling stage, 3-5kg of a fruit swelling fertilizer, which is topdressed once in ring-shaped ditches with depth of 10-20 cm, is applied per hole; and the fruit swelling fertilizer comprises the following raw materials in parts by weight: 30-35 parts of urea, 40-45 parts of potassium chloride, 25-35 parts of calcium superphosphate, 2-5 parts of magnesium sulfate, 0.1-0.2 part of borax and 20-30 parts of biogas slurry. According to the sweet orange planting method disclosed by the invention, tree growth and fruit swelling needs of sweet orange are met by a proper nitrogen phosphorus potassium ratio; tree seedlings are strong in freezing resistance and resistance to plant diseases and insect pests; and the fruit yield is increased by 15%-20%.

The present invention discloses a three-dimensional wind field measurement system applicable to an unmanned aerial vehicle and a use method of the three-dimensional wind field measurement system. The three-dimensional wind field measurement system comprises a data acquisition device and a control system; the data acquisition device comprises a plurality of wind speed measuring devices and a wind speed acquisition support; each wind speed measuring device includes wind speed sensors and a wind speed sensor fixing mechanism; the wind speed acquisition support includes a base main body, upright columns and a top cover; the base main body includes an upper-layer base and a lower-layer base; the top surface of the upper-layer base is provided with the plurality of upright columns which are distributed circumferentially; the upright columns are provided with the wind speed measuring devices; the lower-layer base is provided with a rotation driving device for driving the upper-layer base to rotate; and the top surface of the upper-layer base and the bottom surface of the top cover are both provided with the wind speed measuring devices. With the three-dimensional wind field measurement system of the invention adopted, the measurement of a three-dimensional space wind field at a specific area around the unmanned aerial vehicle can be realized. The three-dimensional wind field measurement system has the advantages of simple structure, convenient operation, easiness in arrangement and high applicability.

The invention belongs to the technical field of cross breeding of plants and relates to a novel method for improving an achievement rate of a first backcross hybrid generation of oryza sativa and oryza minuta. The method includes that firstly, the oryza sativa is used as a female parent, the oryza minuta is used as a male parent, and the oryza sativa and the oryza minuta are subjected to hybridization and embryo rescue to obtain an interspecific hybrid F1 plant; secondly, the interspecific hybrid F1 plant is used as a female parent, the corresponding oryza sativa is used as a male parent, the interspecific hybrid F1 plant and the corresponding oryza sativa are subjected to backcross, by means of a method which is similar to a method of hybrid rice seed production, and the pollination is directly performed for 3 consecutive days to obtain a plurality of young embryos of a first wide cross and backcross hybrid generation; and finally, the plurality of young embryos are subjected to the embryo rescue to obtain the first backcross hybrid generation BC1F1 plant. According to the novel method for improving the achievement rate of the first backcross hybrid generation of the oryza sativa and the oryza minuta, the method is simple in operating and low in cost, the achievement rate can be stably improved from current 0.02% -0.03% to 0.32%-0.35%, and the problem that the first backcross hybrid generation BC1F1 of the oryza sativa and the oryza minuta is difficult to achieve is solved.

The scheme discloses a queen bee introduction hybridization cultivation method in the technical field of bee cultivation. The method includes the following steps: step I. selecting Apis cerana abanisis with superior stress resistance, cold resistance, collection power and reproduction capacity as introduction objects, and introducing the queen of the Apis cerana abanisis which is fertilized by drones of the Apis cerana abanisis and is to be produced or laid eggs; step II. placing eggs produced by the queen of the Apis cerana abanisis into a beehive to hatch for 4-5 days to form larvae, manufacturing a queen table by beeswax, placing the larvae into the queen table, and placing the queen table into an Apis cerana beehive to culture; step III. placing the eggs produced by the queen of the Apis cerana in a beehive to hatch for 4-5 days to form Apis cerana larvae, then manufacturing a queen table by using beeswax, placing the Apis cerana larvae in the queen table, and placing the queen table in the Apis cerana abanisis beehive to culture; and step V. introducing the female queen of the second-generation Apis cerana abanisis to mate with the male of the second-generation Apis cerana andlaying eggs to cultivate hybrid bee. The bee variety cultivate by adopting the method not only has strong cold resistance and immunity, but also has high honey yield.

The invention relates to the bee keeping technology, provides a breeding method for a good bee species for facility crop pollination, and aims at solving the problems that an existing good bee species for facility crop pollination is fewer, poor in quality and poor in pollination effect. The method comprises the steps that local Apis mellifera is bred, a Jolnalof bee species is introduced and bred, a single cross or backcross mode is adopted, and a good variety (strain) which meets the biological property of bees and can be used for effective pollination of facility crops is bred through many times of artificial insemination hybridization. The good properties of being high in collection, high in spawning rate, high in stress resistance, high in disease resistance, docile in temper, low in fodder consumption and the like are achieved, the movement enthusiasm of the pollination bees in a facility crop environment is remarkably improved, crop pollination is effectively achieved, and the pollination effect of the crops is improved.

The invention belongs to the technical field of agricultural research, and particularly to a pollination apparatus for agricultural research experiment. For the problems that the existing pollinationapparatus is simple in structure, non-uniform in pollination and inconvenient in adjusting the pollination range, the invention provides a technical scheme as follows: the pollination apparatus for the agricultural research experiment comprises a base, wherein four corners of the bottom outer wall of the base are respectively fixedly provided with a shock absorber by virtue of a bolt, the bottom outer wall of each shock absorber is fixedly provided with a universal wheel by virtue of a screw, two sides of the bottom outer wall of the base are respectively fixedly provided with a first electrictelescopic rod by virtue of a screw, the bottom outer walls of the two first electric telescopic rods are respectively fixedly provided with a same pressing plate by virtue of a screw, the bottom outer wall of the pressing plate is equidistantly bonded with first antiskid bulges, and two ends of one side of the top outer wall of the base are respectively fixedly provided with an operation rod byvirtue of a screw. By adopting the pollination apparatus, the caking of the pollen can be effectively prevented from influencing the pollination, the pollen can fall into the bottom of a pollen storage box at a constant speed, the pollen is more uniform to discharge, and the pollination effect can be improved.

The invention discloses a combined seed production method for three-line hybrid oilseed rape, which comprises the following steps: selecting a cabbage type rape male sterile line as the female parent, selecting a cabbage type hybrid rape maintainer line ZhenB152 as the male parent, and performing hybrid transformation for multiple years to obtain a cabbage type rape male sterile line ZhenA152; selecting a cabbage type rape male sterile line as the female parent, selecting cabbage type rape as the male parent, and performing hybrid transformation for multiple years to obtain a cabbage type rape restorer line R023; mixed planting the female parent and the male parent in different lines, and harvesting cabbage type hybrid rape seeds in the mature period; hybridizing the stable maintainer line ZhenB152 and the sterile line ZhenA152 to breed a sterile line, and hybridizing the strong restorer line R023 and the sterile line ZhenA152 to produce hybrid seeds. The seeds prepared through the combined seed production method have high self regulation capability and are easy to plant and popularize, the individual is upright during the seedling stage, and grows healthily during the bolting period; the spring sprouting property is strong, the flower season is concentrated, the grains are dense, the yield components are coordinated, and the mature consistency is good. In addition, the seed production process of the seed production method is safe, convenient and simple.

The invention discloses a corn planting method, which is a '8635-3' equilateral triangle planting mode for corn for short. The planting mode is characterized in that line spacing is 0.86 meter, hole spacing is 0.35 meter, and three seedlings are planted into each hole and are arranged to form an equilateral triangle. The planting mode has the advantages that 1, the border row superiority of plants is played fully by increasing the line spacing, and the growth of the plants is facilitated; 2, due to the increase of the row spacing and the hole spacing, the ventilating and light transmission of the plants are facilitated, and the photosynthesis of the plants is promoted; 3, the three seedlings are planted into each hole, so the group superiority and competition characteristic of the corn are played fully; 4, the capacity of root and stem inverting resistance is improved substantially; 5, the pollination capacity is improved, so that seed kernels are fuller, and the phenomena of barren ear tip and imperfect grains are avoided; and 6, the sowing is accurate, final singling is formed while sowing, and the labor is saved.

The invention relates to the technical field of planting, and provides a planting method for increasing the yield of Yangchun amomum villosum and a cultivation method of Yangchun amomum villosum. Theplanting method for increasing the yield of Yangchun amomum villosum includes the steps that in an initial stage of Yangchun amomum villosum planting, microorganism fertilizer is applied, and then a mixture of organic fertilizer and inorganic fertilizer is applied; in a pollen stage of Yangchun amomum villosum planting, bees and water spraying are adopted to conduct pollination; in an initial fruiting stage of Yangchun amomum villosum planting after pollination, mineral element fertilizer is applied. By adopting the planting method for increasing the yield of Yangchun amomum villosum, residualpesticide and chemical fertilizer in soil in the earlier stage can be degraded, a good environment base is provided for Yangchun amomum villosum planting, the pollination effect can be significantlyimproved, then, the fruit setting rate and the yield are increased, the labor cost is effectively reduced, and income is increased. By adopting the cultivation method of Yangchun amomum villosum to cultivate Yangchun amomum villosum, the yield is high, and the cost is low.

The invention provides an anther-stirring, pollen-collecting and hybrid pollination method of tobacco by using an artificial pollination pin. The method comprises specific steps that: during 8:00am to 10:00am or 4:00pm to 6:00pm, flowers of tobacco plants in post pollen tube growth periods are cut off and stored; flowers in blooming periods or blossom periods are selected as female parent flowers; during 8:00am to 9:00am or 5:00pm to 6:00pm on a sunny day, anther-stirring, pollen-collecting and hybrid pollination are carried out by using a pollination pin. According to the invention, male parent stamens and female parent pistils are in periods with optimal activities and affinities, such that pollination effect and seed quality are effectively improved; pollens in two pollen sacs of one anther are respectively used for pollinating two female parent flowers, and five anthers of a male parent flower can be used for pollinating 6 to 10 female parent flowers, such that a large amount of male parent pollens are saved, and the plantation amount of male parent tobacco is reduced; the pollination device is easy to manufacture and convenient to use, and the pollination method is simple, such that the seed yield is greatly improved, and the comprehensive cost of seed production is reduced. Therefore, the method is suitable to be applied in tobacco hybridization scientific experiments and tobacco large-area hybrid species propagation and production.

The invention provides an electrothermal air-blast constant-temperature drying collecting method of tobacco pollens. The collecting method comprises specific steps that: during 8:00am to 12:00am or 5:00pm to 6:00pm on a sunny day, flowers of tobacco plants in a post pollen tube growth period are selected and picked; anthers are picked from fresh flowers; the flowers that can not be treated in time are instantly positioned in a low-temperature refrigerator for fresh-keeping cold preservation; collected anthers are dried in an electrothermal air-blast constant-temperature drying cabinet, such that pollens are obtained; impurities are removed from the pollens through sieving; and the pollens are stored under a dry condition in a brown wide-neck flask. According to the invention, existing artificial pollination methods are changed; pollen activity is always controlled at an optimal level; pollen quality is stable; the wasting of male parent flowers in fields is reduced; the dependency on weather during an anther collection procedure is reduced; the male tobacco plantation area is saved; pollination effect and seed yield are improved; and the comprehensive production cost of hybrid seed production is reduced.

The invention discloses a grafting method for promoting natural pollination of a kiwi fruit. The method comprises the following steps; selecting a kiwi fruit female plant as a stock, and treating a male plant scion by using plant growth regulator water solution; executing the intermittent grafting to the female plant positioned on the upper layer of a shed frame, and realizing the monoecism, wherein the distance between the grafting branches is within the effective pollination distance; and effectively enabling pollen of male flowers on the upper layer to fall to a female stylus. The anemophily effect is improved, the grafting survival rate is improved, and the fruit setting rate of the natural pollination is improved.

The invention discloses a method for purifying and rejuvenating orychophragmus violaceus. The method includes steps of building a separation net house; sowing seeds at equal row spacing; carrying out top dressing once; removing abnormal plants; releasing osmia; harvesting seeds and the like. The invention further provides the matched separation net house. The matched separation net house comprises greenhouse films or sunshade nets, separation net covers and a support frame. The support frame is used for supporting the separation net covers. The method and the matched separation net house have the advantages that merits of low-temperature resistance, high pollination speeds, good pollination effects, simplicity and convenience in management and the like of the osmia are used with the separation net house, accordingly, the orychophragmus violaceus purification and rejuvenation efficiency can be effectively improved, and seed production requirements can be met.

The invention discloses a field planting method for efficiently mating maize diallel crossing combinations. Male parents are planted in rows, wherein the male parents of the same row are the same male parent selfing line; female parents are planted in lines, wherein the female parents of the same line are the same female parent selfing line, the number of rows of each line of the female parents is equal to that of the types of the male parent selfing lines, the first row of the male parent selfing lines and the first row of all the lines of the female parent selfing lines are planted into one row, the second row of the male parent selfing lines and the second row of all the lines of the female parent selfing lines are planted into one row, and the rest can be done in the same manner until the last row of the male selfing lines and the last row of all the lines of the female parent selfing lines are planted into one row. During pollination, the female parent selfing lines are subjected to castration, the male parent selfing lines pollinate corresponding rows of female parent selfing lines by row in correspondence to the lines, and after the selfing lines are ripe, harvesting is sequentially conducted by row and by line. According to the field planting method, the workload and complicated degree in the preparing links of existing diallel crossing combinations are lowered, the probability of pollen mixing is lowered, the pollination and seed clearing efficiency is improved, errors caused by human negligence are reduced, and the field planting method is suitable for application and popularization of maize breeding within a large range.

The invention relates to a method for planting strawberries in a greenhouse. The method comprises the following steps of preparation of planting land, wherein a nursery garden is selected, base fertilizer is applied before land preparation, and then ploughing and ridging are conducted; sowing, wherein seeds are wrapped by gauze, soaked, and placed in a dark and damp place for 10-15 days, after thewhite parts of the seeds are exposed, sowing is conducted, the sowing depth is 1-2.5 centimeters, and transparent thin film covers the seeds; daily management, wherein nutrient liquid is sprayed onceevery 15 days, the ratio of nitrogen to phosphorus to potassium in the nutrient liquid is 2:2:1, the ratio of nitrogen to phosphorus to potassium in the nutrient liquid which is applied at the flowering phase is 3:2:1, weeding is conducted frequently in daily management, infected leaves are found and then removed in time, and 300-times liquid of 25% carbendazim wettability powder is applied to prevent gray mold before the flowering phase; pollination, wherein an artificial breeding beehive box is put into the greenhouse at the flowering phase of strawberries; prevention and treatment of diseases and insect pests. The method for planting strawberries in the greenhouse has the advantages that the cultivation cost is low, the yield is high, and the harvested strawberries are good in taste and high in nutritional value.

The invention belongs to the technical field of hybridization breeding and in particular relates to a prunus salicina hybridization breeding method. The method provided by the invention is realized through the following steps: (1) during a revealing period, selecting female parent trees to be hybridized, wherein 2 to 3 plants of each variety are selected; erecting a shed frame capable of completely covering the female parent trees at the peripheries of tree crowns; (2) covering the shed frame with a shed cover and compacting the lower part with soil; (3) shearing flowering branches in a flowering period from male parent trees and inserting the flowering branches into a bottle filled with water; hanging the flowering branches to the upper parts of inner parts of the tree crowns of the female parent trees respectively; (4) putting one box of bees into the shed 3 days before flowering, and pollinating. The method provided by the invention is simple to operate and can be finished without a pollination tool, so that the method is suitable for large-batch hybridization; the pollination success rate is high and the hybridization success rate is high.

The invention belongs to the technical field of plant cultivation, and particularly discloses a high-yield wild grape planting method which includes the specific steps: (1) garden plot selection; (2) garden plot construction: erecting a trellis and applying base fertilizers; (3) raising seedlings by cutting: rooting cuttings; (4) seedling cultivation: cultivating seedlings according to a certain line spacing and row spacing; (5) fertilizer application; (6) watering; (7) pest control; (8) pruning: a) winter pruning; b) summer pruning. Planting of wild grapes is managed by trellis erection, pruning, fertilizer application and the like, and the yield of the grapes can be effectively increased, so that wild grape planting earnings are increased.

The invention discloses a pollination device for pear tree planting, and relates to the technical field of pollination devices. The pollination device comprises a handheld supporting pipe, a micro high-pressure tank, a pollination box and a spraying device, wherein the spraying device comprises a conveying main pipe; and the tail end of the conveying main pipe is provided with first spraying headsin a communicating mode, the top end of the conveying main pipe communicates with the handheld supporting pipe in a connecting mode, and an annular spraying structure is arranged on the conveying main pipe in a sliding mode. According to the pollination device for pear tree planting, the handheld supporting pipe communicates with the conveying main pipe, meanwhile, the micro high-pressure tank isarranged on the handheld supporting pipe, the pollination box is arranged on the conveying main pipe, and a plurality of second spraying heads of the spraying device are annularly and uniformly distributed on the circumferential sides of the first spraying heads; and during use, a first electromagnetic valve and a second electromagnetic valve are opened, and pollen in the pollination box passes through the conveying main pipe, a hose and an arc-shaped conveying pipe and is sprayed to stigmas in pistils through the first spraying heads or the second spraying heads through high-pressure gas, sothat uniform and efficient pollination and uniform spraying of clustered pear flowers are achieved, and the pear flower pollination efficiency and the pear flower pollination effect are improved.

The invention relates to the technical field of citrus reiculata Blanco planting, and particularly discloses a cultivation method for reducing stiff fruits and big and small fruits generated in the fruiting period of citrus reiculata Blanco, and the cultivation method comprises a fruiting flower bud and next-year fruiting mother branch cultivation method and a fertilization improvement method; the fertilization improvement method comprises the steps of spraying a flower promoting and strengthening foliar fertilizer and applying a root fertilizer, wherein the spraying of the flower promoting and strengthening foliar fertilizer comprises the steps of spraying a foliar fertilizer I in a flower bud differentiation stage and spraying a foliar fertilizer II in a flower bud stage. According to the cultivation method for reducing stiff fruits and big and small fruits generated in the fruiting period of citrus reiculata Blanco, sufficient nutrients are more reasonably provided for all stages of plants, the root activity of citrus reiculata Blanco is improved, the nutrition of the upper portion and the lower portion of a tree body is adjusted, and the photosynthesis efficiency is improved through measures such as fruiting mother branch cultivation, root fertilizer application and foliar fertilizer application in different periods; therefore, flower bud differentiation is promoted, pollen activity is improved, fruit development is facilitated, the stiff fruit rate is reduced, fruit expansion is promoted, large and small fruits are reduced, and the quality and yield of citrus reiculata Blanco are improved.

The invention discloses a pollen solution for improving the internal quality of murcotts, as well as a preparation method and application of the pollen solution. Based on the total amount of 100 percent, the pollen solution comprises the following components in percentage by weight: 8 to 15 percent of sucrose or glucose, 0.01 to 0.02 percent of starch, 0.05 to 0.1 percent of murcott pollen and the balance of water. 0.03 to 0.10 percent of boric acid is added before the pollen solution is sprayed. According to the pollen preparation, as well as the preparation method and application thereof, murcott pollen is collected, and is stored under a dry condition at low temperature, so that the storage period can be prolonged, convenience in transportation is achieved, and the using amount of the pollen is reduced; at time most suitable for cross pollination, pollen suspension is prepared from the dry murcott pollen according to needs, and murcott trees are cross-pollinated in a spraying manner; convenience and feasibility are achieved, the limitation of free pollination is broken, cross pollination efficiency is improved, and the internal quality of murcotts is improved by virtue of xenia effects of murcotts.

The invention provides an anther-stirring, pollen-collecting and hybrid pollination method of tobacco by using an artificial pollination pin. The method comprises specific steps that: during 8:00am to 10:00am or 4:00pm to 6:00pm, flowers of tobacco plants in post pollen tube growth periods are cut off and stored; flowers in blooming periods or blossom periods are selected as female parent flowers; during 8:00am to 9:00am or 5:00pm to 6:00pm on a sunny day, anther-stirring, pollen-collecting and hybrid pollination are carried out by using a pollination pin. According to the invention, male parent stamens and female parent pistils are in periods with optimal activities and affinities, such that pollination effect and seed quality are effectively improved; pollens in two pollen sacs of one anther are respectively used for pollinating two female parent flowers, and five anthers of a male parent flower can be used for pollinating 6 to 10 female parent flowers, such that a large amount of male parent pollens are saved, and the plantation amount of male parent tobacco is reduced; the pollination device is easy to manufacture and convenient to use, and the pollination method is simple, such that the seed yield is greatly improved, and the comprehensive cost of seed production is reduced. Therefore, the method is suitable to be applied in tobacco hybridization scientific experiments and tobacco large-area hybrid species propagation and production.

The invention discloses a rapid propagation method of radish breeding material. The method comprises the following steps: (S010), mesh enclosure setting up, namely respectively matching, assembling, connecting and fixing long rods, cross rods, vertical columns, three-way connecting rings and vertical column bases; (S020) radish parent material planting, namely respectively, sequentially and intensively planting male parent and female reproduced by parent of radish sterile line and radish hybridized combination according to a certain line number; (S030) radish flowering phase management, namely removing heteromorphic plant after transplanted radish plant survives, removing fertile plant and keeping sterile plant for a sterile line from radish bolting to an initial flowering phase, keeping completely fertile plant with typical shapes and normal floral organs for maintainer line and male parent line, and applying insecticide for one time 7 to 10 days before osmia is released; (S040) osmia release and management, namely putting osmia into a mesh enclosure in the initial flower stage of radish, ensuring that osmia performs open pollination, and recycling and storing the osmia after pollination; and (S050) seed harvesting. The method is simple to operate and low in cost, and can obviously improve the seed output.

The invention discloses a planted plant pollination gun for intelligent agricultural greenhouse planting, and particularly relates to the field of intelligent agriculture. The planted plant pollination gun comprises a power gun body and a pollen collection mechanism, wherein a Tesla pressure increasing valve pipe is fixedly mounted at one end of the power gun body, a mixing ball cabin is fixedly connected to the other end of the Tesla pressure increasing valve pipe, a jet pollination pipe is fixedly connected to the other side of the mixing ball cabin, a corrugated collection pipe is clamped to the bottom end of a siphon flow guide base, and a turbofan driving assembly and an ultrasonic atomization plate are mounted in the power gun body. According to the scheme, the plant pollination gun is provided with the pollen collection mechanism and the jet pollination pipe, the pollen collection mechanism is used for picking pollen, directional airflow siphoning in the mixing ball cabin and the jet pollination pipe drives the pollen picked by the pollen collection mechanism to perform directional pollination through the jet pollination pipe, the problem of low pollen pollination rate caused by pollen dispersion is avoided, so that pollination is more concentrated at pistils of female flowers, and the practicability of the pollination device is improved.

The invention relates to a method for controlling the top edge of a trunk pear tree to improve the fruit setting rate by high grafting. The method includes the following steps: selecting pear tree varieties B and C as scions; selecting a main pear tree variety A in spring, and grafting pear tree variety B and variety C on the trunk of pear tree variety A through separate plants; forming axillary flower buds and top flower buds in the same year through the grafted pear tree variety B or pear tree variety C in spring; in the following year, blossoming, by variety B and variety C at the top end of pear tree, and pollinating with each other; and meanwhile, pollinating, by varieties B and C, variety A. The method improves the fruit setting rate of each variety of pear trees, has positive fruitshape and excellent quality, simultaneously controls the top edge of the pear trees, and the tree body is balanced up and down to form a three-dimensional structure. The tree grows neatly and uniformly, which is convenient for agricultural management in the field and lays a good foundation for high yield and quality of pear trees.

The invention belongs to the technical field of hybridization breeding and in particular relates to a prunus salicina hybridization breeding method. The method provided by the invention is realized through the following steps: (1) during a revealing period, selecting female parent trees to be hybridized, wherein 2 to 3 plants of each variety are selected; erecting a shed frame capable of completely covering the female parent trees at the peripheries of tree crowns; (2) covering the shed frame with a shed cover and compacting the lower part with soil; (3) shearing flowering branches in a flowering period from male parent trees and inserting the flowering branches into a bottle filled with water; hanging the flowering branches to the upper parts of inner parts of the tree crowns of the female parent trees respectively; (4) putting one box of bees into the shed 3 days before flowering, and pollinating. The method provided by the invention is simple to operate and can be finished without a pollination tool, so that the method is suitable for large-batch hybridization; the pollination success rate is high and the hybridization success rate is high.

A method for promoting regular attendance of pollinating bumblebees comprises the following steps: placing pollinating bumblebee swarm into a pollinating box; connecting the pollinating box with a quantitative feeding device; measuring the cracking time of anthers of flowers of crops in a greenhouse room; and setting that a solenoid valve is opened once at regular times within the cracking time ofthe anthers through a controller. According to the method for promoting regular attendance of pollinating bumblebees, the solenoid valve is controlled to open regularly within the anther cracking time through the controller, and the pollinating enthusiasm of the pollinating bumblebees within the anther cracking time is promoted, so that the attendance rate of the pollinating bumblebees within theanther cracking time is increased, and the matching degree of the pollinating bumblebee attendance time and the anther cracking time can be increased, and as a result, the pollinating effect is improved.

The present invention discloses a three-dimensional wind field measurement system applicable to an unmanned aerial vehicle and a use method of the three-dimensional wind field measurement system. The three-dimensional wind field measurement system comprises a data acquisition device and a control system; the data acquisition device comprises a plurality of wind speed measuring devices and a wind speed acquisition support; each wind speed measuring device includes wind speed sensors and a wind speed sensor fixing mechanism; the wind speed acquisition support includes a base main body, upright columns and a top cover; the base main body includes an upper-layer base and a lower-layer base; the top surface of the upper-layer base is provided with the plurality of upright columns which are distributed circumferentially; the upright columns are provided with the wind speed measuring devices; the lower-layer base is provided with a rotation driving device for driving the upper-layer base to rotate; and the top surface of the upper-layer base and the bottom surface of the top cover are both provided with the wind speed measuring devices. With the three-dimensional wind field measurement system of the invention adopted, the measurement of a three-dimensional space wind field at a specific area around the unmanned aerial vehicle can be realized. The three-dimensional wind field measurement system has the advantages of simple structure, convenient operation, easiness in arrangement and high applicability.