295 results about "Girdling" patented technology

The invention relates to a plant wound protective agent containing chitosan oligosaccharide which contains chitosan oligosaccharide and one or more of a nutritional agent, an adjusting agent and a sterilizing agent, wherein the weight percentage of the chitosan oligosaccharide accounting for the protective agent is 0.0015-0.03 percent. The plant wound protective agent can be used for spraying or smearing. The prepared solid preparation for smearing also contains a film-forming agent. On one to five days before pruning, girdling or grafting, the wound is sprayed by using the protective agent; and on one to five days after the pruning, girdling or grafting, the wound is smeared by the protective agent, so that disease attacks of the wound can be reduced and the healing of the wound can be promoted. The plant wound protective agent is used for apple trees, pear trees, peach trees, jujube trees, grape trees, mango trees, longan trees, lychee trees, citrus trees, watermelon, maidenhair trees, honeysuckle, Arabian jasmine flower and Chinese rose.

The invention relates to a process for cutting thick branches of golden camellia. The process comprises the steps of (1) applying fertilizer to a seed golden camellia; (2) conducting gibberellin treatment on the seed tree, wherein gibberellin is sprayed on leaf surfaces of the seed tree; (3) conducting lateral branch girdling treatment, wherein a lateral branch is selected for girdling, an ABT rooting powder solution is daubed on a girdling opening, and the girdling opening is wrapped in a plastic cloth; (4) conducting cuttage branch shearing and pretreatment, wherein the cutting branch is cut, soaks in the ABT rooting powder solution for 5-15h and then is sterilized; (5) conducting seed bed building and cuttage, wherein peat soil is laid firstly for bottoming, then acid red soil is laid, finally, granular perlite particles are laid, and cuttage is conducted as per the conventional method; and (6) conducting cuttage nursery garden management. The process for cutting thick branches of golden camellia has the advantages that the cuttage branch rooting time can be brought forward, the cutting seedling survival rate can exceed 95%, the transplanting rate can exceed 90%, the operation is simple, the large-scale intensive breeding production of golden camellia seedlings can be facilitated, and the breeding speed of the golden camellia can be accelerated.

The invention discloses an air layering breeding method for chaenomeles speciosa, and belongs to a breeding method for the chaenomeles speciosa. The air layering breeding method comprises steps as follows: step A, skin girdling; step B, wound wrapping; step C, shearing from a parent body; and step D, planting: a plastic membrane arranged on a mud ball in a covering manner is removed, the root of a branch sheared from the parent body is disinfected and plated together with the mud ball on a planting field, soil on the planting field is used for completely covering the mud ball at the root of the branch, and then root fixing water is poured. Under the condition that the shape of the chaenomeles speciosa plant is not destroyed, the suitable branch is selected directly for accomplishing seedling raising on a tree, the seedling raising period is shortened effectively, the branch which is to be sheared on the chaenomeles speciosa plant can be selected for seedling raising, the branch to be sheared can be used effectively, and waste is changed into valuable; and rooting is accomplished on a seed tree, so that the survival rate of seedlings after field planting is improved greatly and normally can be higher than 95%, and the rate of bred commercial seedlings can be higher than 90% when measures such as auxiliary support, container transformation and the like are combined.

The invention discloses an overhead-layering rapid propagation method of camellia chrysantha seedlings and belongs to the technical field of camellia chrysantha propagation. The method is characterized by including the steps of (1) seed tree branch selection, (2) branch girdling, (3) medium treatment, (4) medium wrapping, (5) post-layering management and (6) plant shearing and planting. The overhead-layering rapid propagation method of the camellia chrysantha seedlings is easy and convenient to implement, short in seedling growing time, high in rate of survival and suitable for camellia chrysantha propagation.

The invention relates to a technology for propagating an aleurites moluccana seedling by high-altitude layering. According to the technology, an operating method comprises the following steps of: selecting branches of which the sizes are similar and the growth conditions are excellent from the aleurites moluccana tree which has more than 4 age from March to October in every year; performing girdling on the stem bases of the selected branches, wherein the width is about 2 to 4 centimeters, and a cortex layer and a cambium are scraped completely; coating a growth regulator with appropriate concentration at the upper ends of incisions; making a wet matrix into a mud pie, covering wounds with the mud pie, wrapping the outside of the mud pie by using a plastic film, and binding by using a packing rope; and checking the humidity of the mud pie during layering rooting, and when the humidity is low, replenishing moisture by an injection method to keep the humidity of soil, wherein after the girdling is performed, roots are grown at the wounds a month later; and cutting the layering for transplant when a large quantity of root systems are formed two or three month later.

The invention provides an improved cultivation method of three-red crystal grapefruit. In the improved cultivation method, common grapefruit is top-grafted on Wenzhou grapefruit. The improved cultivation method has the key cultivation points: the three-red crystal grapefruit is fond of shading and is suitable for growing at flat and gently innumerable mountains with low altitude at southeast in China; the sapling needs enough fertilizer for promoting tips to grow; water management needs to be enhanced in order to reduce split fruit; 90% of the fertilizing amount for the whole year can be arranged at the time after picking the fruits to early summer, especially, potash fertilizers are intensively applied in summer; an open window is arranged at a selectively-cut upright great branch; a side window is arranged at the periphery of the upper part, a small window is arranged at the fruiting branch at the lower part; intensive branches, upright branches and exuberant branches are wiped out; sapling grows very exuberant and needs to perform reasonable girdling to promote fruits to put into early production; the first girdling is performed during the first ten-day of November- the first ten-day of December and the second girdling is performed after the flowers are fell for 2 / 3h; the girdling position is a base part of blooming main branch; the fruits are bagged; and the fruits are kept fresh and packaged by applying a POF (Plastic Optical Fiber) heat shrinkable film far infrared fresh-keeping packaging technology.

The invention relates to a vehicle wire harness girdling and peeling device which comprises a first support plate. Two moving lugs are respectively arranged on the side wall of the first support plate, and a movable screw is arranged between the two moving lugs through a bearing. A moving motor is arranged on the right end of the movable screw through a coupling, and the moving motor is arranged on a motor bracket. A moving block is arranged on the central section of the movable screw through threads, the upper and lower ends of the moving block are symmetrically provided with two moving slide bars, and the two moving slide bars are respectively mounted on two first linear slide rails. The two ends of each first linear slide rail is mounted on the side wall of the first support plate through screws. Four fixing posts are symmetrically welded on the side wall of the moving block, and a mounting plate is welded on the tail end of the four fixing posts. A wire peeling mechanism is arranged on the left side of the side wall of the mounting plate, and a girdling mechanism is arranged on the right side of the side wall of the mounting plate. Integrated processing function of automatically girdling and wire-peeling can be realized during vehicle wire harness processing.

The invention discloses a rapid fruit tree wound healing protective agent. The rapid fruit tree wound healing protective agent is prepared from the following raw materials in parts by weight: 25-35 parts of vinyl acetate-ethylene copolymerization emulsion, 3-5 parts of hydroxypropylcellulose, 2-4 parts of sodium benzoate, 0.8-1.2 parts of fatty alcohol polyoxyethylene ether, 7-9 parts of ethylene glycol, 20-30 parts of a film forming agent, 5-10 parts of a nutritional agent, 0.2-0.4 part of a growth regulator, 3-5 parts of a chemical bactericide, 6-8 parts of a botanical fungicide, 5-9 parts of an insecticide and 10-20 parts of water. The rapid fruit tree wound healing protective agent disclosed by the invention has the advantages of strong capability of resisting to diseases and pests, outstanding effect, high security and rain wash resistance and can effectively protect a wound after being smeared on a tree body wound caused by pruning, sawing and girdling as well as diseases, prevent infection of germs, reduce water evaporation and stimulate fission of tree body cells to form calluses, a new bark is grown rapidly, the wound is promoted to be rapidly healed, and the rapid fruit tree wound healing protective agent has the special effect on protection of scars caused by applet tree canker, canker and gummosis as well as the wound and a sawing bite.

The invention relates to a method for boosting pear hybrid seedlings to form flowers ahead of time, belonging to the field of crop breeding and cultivation. The hybrid seedlings with certain growth undergo branch drawing, shoots twisting, girdling, PP333 spraying in a single or combined manner when the new shoots of the pear trees stop growing, later, the flower beginning conditions of the plants are surveyed and statistics of the flowering rates is made. The above treatment measures can boost the hybrid seedlings to form flowers 1-2 years ahead of time, thus effectively shortening the juvenile phase of the hybrid progeny. The method has theoretical and practical significance in shortening the breeding period, reducing the land occupation period of the hybrid seedlings and labors for orchard management and improving the selecting and breeding efficiency of the new fruit tree varieties and has broad application prospect in fruit tree breeding.

The invention relates to a loquat tree organic cultivation method. The invention relates to the technical field of agriculture, forestry, husbandry, hunting, trapping and fishing, and especially relates to a loquat tree cultivation method. The invention provides a large-volume, high-yield and high-disease-resistance loquat tree organic cultivation method. The method comprises the following steps: (1) girdling, branch stretching and injured branch bending are carried out, such that flower bud differentiation is promoted and controlled; wherein a main trunk is girdled by 2-3 strips, and the wound is smeared with a 1:50 solution of 50% thiophanate wettable powder for preventing germ infection; (2) reasonable close planting is carried out, wherein a red soil, loess or loam land with deep soil, good drainage and rich humus is selected for planting; (3) a base fertilizer is heavily applied, wherein 0.5-0.75kg of lime, and 1-1.5kg of a calcium, magnesium and phosphorous fertilizer are filled in each pit; (4) flower bud differentiation is promoted and controlled through fertilizer and water management; through June to August, no nitrogen fertilizer is applied, and phosphorous and potassium fertilizes are approximately added; and (5) trimming and pruning are carried out, wherein after field planting of the loquat trees, topping is carried out on a main trunk at a place 50cm from the ground for determining the height of trunk.

The invention relates to a method for preventing citrus gonggan fruits from being cracked. The method comprises the steps that 1, 10-20 g of cytokinin is sprayed on each plant in the bud period and the flowering period; 2, in the full-blossom period and the young fruit period, leaf fertilizer is sprayed 3-5 times, and 30-50 g of leaf fertilizer is sprayed on each plant; 3, 100-200 g of organic fertilizer is applied on each plant when tree vigor is restored in winter; 4, weed or straw is adopted for covering tree disks; 5, 2-4 L of whitewash is sprayed on fruits on each plant in summer and autumn with strong sunlight; 6, girdling is carried out on the plants in the season with much rainwater. According to the method for preventing citrus gonggan fruits from being cracked, the technology for preventing citrus gonggan fruits from being cracked is tested in a large area, a comprehensive citrus gonggan fruit preventing technology is summarized and explored, and therefore the citrus gonggan output, quality and benefits can be improved.

The invention discloses a method for girdling in Broussonetia papyrifera (L.) Vent.. The method comprises the following steps of: cutting branches of Broussonetia papyrifera (L.) Vent., steaming the cut branches of the Broussonetia papyrifera (L.) Vent.within 7 days, and quickly girdling the cut branches after steaming to obtain the bark of the girdling in Broussonetia papyrifera (L.) Vent., wherein the steaming temperature is between 100 and 105 DEG C, and the steaming time is 30 to 40 minutes. The steaming step is carried out in a steaming device which consists of a cooking bench(2) provided with a pan(1), a steaming pool(3) which is built around the pan on the cooking bench by bricks and a cover body(4) of the steaming pool. The method for barking the Broussonetia papyrifera (L.) Vent. has the advantages of simplicity and easy operation, no mechanical equipment, high barking rate(the bark loss is zero), high working efficiency, low barking cost (the barking cost is lowered by 3 to 5 times), and obviously economic benefits and social benefits.

The invention discloses a citrus planting technology. The technology comprises the steps of pesticide spraying on fruit trees, rapeseed cake applying on the fruit trees, pruning and pesticide spraying on the fruit trees, girdling and flower retention on the fruit trees, pruning, pesticide spraying and fruit stabilizing on the fruit tree, insect prevention on the fruit trees, soil moisture promoting on the fruit trees, irrigation and drought resisting on the fruit trees, pesticide spraying and fruit retention on the fruit trees and the like. Reasonable technical processing is performed on all growth stages of the fruit trees all year round, all links such as fertilization, pruning, pesticide spraying, deinsectization and irrigation are reasonably controlled, it can be guaranteed that the fruit trees are large in flowering amount, more in fruit quantity, few in diseases and pests and high in yield and fruit quality, and the defects that in an existing citrus planting technology, the yield is high and the quality is poor are overcome.

An indoor detection method for resistance of peanuts to infection of Aspergillus flavus includes the following steps of: drying the harvested seeds of peanuts to reach the water content of 8-10 percent, blending the bacterial strain of Aspergillus flavus into spore suspension with the concentration of 0.05-1*10 pieces / mL; sterilizing the dried peanut seeds with a regular method and bleaching the seeds with sterile water to recover the water content of the seeds to 15-20 percent; creating a cut ready for the infection of Aspergillus flavus on the peanut seeds by adopting a method of transverse girdling of testa and uniformly drilling a place which has the maximum diameter of kernel and is perpendicular to the section of seed leaf; putting filter paper in a culture dish, adding the spore suspension to moisten the filter paper, soaking the treated peanut seeds in the spore suspension for 3-5min, taking out the seeds, then using sterile filter paper to suck the surfaces of the seeds dry, putting the seeds on the filter paper of the culture dish, subsequently shielding the culture dish with a dish cover, and putting the culture dish in an incubator to cultivate the seeds for 5-6days under the culture conditions including humidity being 80-90 percent and temperature being 28-30 DEG C; and evaluating the resistance according to the result that the kernel surface and hole of peanuts are infected with the Aspergillus flavus.

The invention discloses a winter-date girdling yield increasing technology and is characterized by the following steps: selecting the days in flowering period, in which no rain falls in girdling period or after girdling and the daily mean temperature stands around 25-26 DEG C for over continuous 3-5 days, as the girdling time; selecting the position close to the fruiting part as the girdling part and maintaining auxiliary culture branches of certain number; controlling the diameter of the girdling part at 1 / 10-1 / 8, width of scab mouths not more than 1cm; spraying 10-15ppm of gibberellin 2-3 days after girdling, spraying again every 5-7 days, using 2-3 times continuously, spraying insecticide on the scab mouths once every 4-6 days beginning from 5-7 days after girdling, and smearing the slowly healing scab mouths with high concentration 920 agricultural chemicals 20 days after girdling. The invention solves the problems that leaves fall off untimely, trees are easy to die and the yield increasing effect is unsatisfactory due to over weakened tree vigor by traditional winter-date trunk middle and lower part girdling yield increasing technology, and the invention is suitable for winter-date yield increasing management.

The invention relates to the technical field of agricultural planting and discloses a layering seedling method for sweet osmanthus flowers. According to the method, loam, plant ash and animal manure are wetted with water after being uniformly mixed according to a certain proportion to obtain a matrix; branches of sweet osmanthus flower trees which are good in variety and grow strongly are selected as layering branches, girdling is carried out on roots of the branches, and rooting agents are sprayed on the cut portions; the treated layering branches are pressed into the prepared matrix; after the layering branches grow in the matrix for a period of time, the layering branches are cut off from stock plants, and independent seedlings are transplanted. According to the method, the cost is low, the rooting efficiency is high, the transplanting survival rate is high, and the breeding speed is high.

The invention relates to a root cutting and high-yield method for nutrition control of a winter jujube tree, which comprises the following steps of: (1) controlling the humidity and time; (2) cutting and girdling; (3) controlling the humidity and fertilizer application; and (4) bud picking. The method has the advantages that the excessive growth of the tree is controlled, the operation is simple, and the method is convenient to popularize and apply in the rural areas; the yield is increased by about 30%, the acre yield is increased by about 500 kg according to 110 plants per mu, and the net benefit of yield per mu is increased by over 2000 yuan; and the economic benefit is improved, the industrial scale is broad, the initiative of farmers is improved, and powerful guarantee is provided for eliminating barren for afforestation.

The invention discloses an olive tree girdling method. The olive tree girdling method comprises the following steps of (1) girdling a tree trunk or a main branch base part of an olive tree in rain-free days from the middle of November to late December; (2) girdling the tree trunk or the main branch base part of the olive tree deep to an xylem by adopting a girdling cutter or a saw blade, wherein the girdling width is 1-2 mm; (3) girdling the tree trunk or the main branch base part of the olive tree by adopting a girdling method of rotary cutting, slanted-bar cutting or circular cutting; (4) carrying out after-treatment on a girdling wound of the tree trunk or the main branch base part of the olive tree after girdling. According to the olive tree girdling method disclosed by the invention, an excellent girdling method and technical parameters are provided, the gummosis of the girdling wound can be reduced, the healing of the girdling wound can be quickened, the normal growth of the olive tree cannot be affected, the problem that the olive tree is in bloom without fruit or in bloom with less fruit in current olive tree cultivation is solved, the yield per unit is increased, and high-yield and stable-yield cultivation of the olive tree is realized.

The invention discloses a method for air layering propagation of calotropis gigantea. The method is characterized by comprising the steps of branch selection, substrate preparation and processing, air layering, layering post-management and in-vitro transplanting; upright or inclined robust branches with the diameter being 0.5-1.5 cm are selected on seed trees of the calotropis gigantea, girdling is performed, a prepared substrate A is bound on a girdling opening, layering post-management is performed, and finally in-vitro transplanting culture is performed to obtain high-quality calotropis gigantea calotropis gigantea seedlings. According to the method, layering rooting is rapid, the rooting rate is 100%, the transplanting survival rate reaches up to 92% or above, seedlings are robust and high in quality, and calotropis gigantea seedlings with the good-character female parent can be reserved within a short period of time; meanwhile, seed transplanted seedlings flower and fruit before seed seedlings, high-quality, efficient, large-scale and rapid development of calotropis gigantea can be promoted, and good economic, social and ecological benefits are achieved.

The invention discloses a two-step rooting-promotion method for cultivating saraca asoca greening trees. According to the invention, trunks and large lateral branches of saraca asoca large trees are used as propagation materials. Girdling is carried out first for promoting rooting; and when the root system appears, the trunk is cut and inserted for promoting roots. With the method provided by the invention, saraca asoca greening trees with certain scales can be directly obtained. Compared with sowing, cutting and layering propagation methods, the method can greatly shorten the cultivation period of the saraca asoca greening tree, so that the saraca asoca greening trees with certain scales can be obtained within a relatively short time. The propagation efficiency more than 3 times the original propagation efficiency can be obtained within approximately 6-10 months, and a trunk survival rate can be higher than 95%. The survival rate of newly cultivated greening trees can be effectively ensured. The method has important significance in satisfying market demands and in popularizing the excellent garden greening tree. With the method, significant economic benefit can be obtained.

The invention provides a method for improving the fruit set percentage of pummelo pee plants. By adopting one or more methods of root cutting, girdling, ring-binding, micro-fertilizer spraying to Citrus grandis plants, the flowering of the Citrus grandis plants can be improved, and the fruit set percentage of the Citrus grandis plants can also be improved. In addition, on the basis of the method(s), when the Citrus grandis plants are in blossom and fruit-set period, the solution containing 0.1 to 0.8 percent of carbamide and 0.1 to 0.8 percent of potassium dihydrogen phosphate or the solution containing 0.1 to 0.8 percent of carbamide, 0.1 to 0.8 percent of potassium dihydrogen phosphate and 0.05 to 0.3 percent of borax is used for spraying followers and leaves, so as to improve the fruit set percentage of the pummelo pee plants.

The invention provides a plant regulator for promoting the healing of jujube girdling cut, pertaining to the technical field of plant growth regulator and being to solve the problems of bad and slow healing effect of the prior consolidant for jujube girdling cut and affecting on jujube fruit quality. The invention comprises 6-benzyl aminopurine of 4.0-8.0 percent, alpha-naphthylacetic acid of 4.0-6.6 percent, synergist of 0.2-0.8 percent and proper amount of sodium hydroxide and hydrochloride. The invention has remarkable effect and enables the girdling cut of the jujube to heal in time and promote the growth of the jujube and is applicable as plant regulator for the healing cut as well as regulator and graft promoter for the healing of cut, hurt and damage of fruit trees and other trees.

The invention provides an automatic girdling device for fruit trees, which belongs to the field of agricultural mechanical equipment. A first rack is mounted on a first rail; the first rail is fixedly connected with a clamp casing; a first cutter device is mounted on a cutter device base; the cutter device base is fixedly connected with the first cutter device and the first rack; a second cutter device and a second rack are fixed on the cutter device base; the second rack is mounted on a second rail; the second rail is fixedly with the clamp casing; a gear is connected with a first motor; the first motor is mounted on the first rail; the clamp casing is connected with the first rail and the second rail. The automatic girdling device is fixed by a first fixing device, and a wood depth part is measured, so that the cutter device can automatically complete girdling work of the fruit trees, the manual labor is reduced, and the efficiency is improved.

The invention discloses an early high-yield sweet cherry cultivation method achieving high-density and highly-dwarfed vigorous stocks. The method comprises the steps that field planting is conducted according to the specification of 333 trees per mu in the mode that the plant spacing is 1 m, and the line spacing is 2 m, cutting back is conducted again from the end of June to the beginning of July in the same year of field planting, and branch emerging is promoted; a strong branch is selected, a 40-cm body of the strong branch is retained, 20-cm bodies of other branches are retained, cutting back is conducted to increase the branches, each tree grows out 8-15 branches with the length ranging from 0.5 m to 1.5 m after autumn, the branch quantity per mu reaches 4,000 or above, and then shaping is completed; 150 times of paclobutrazol is sprayed to a whole garden once after autumn equinox, early growth stopping is promoted, and winter freezing injuries are prevented; in spring of the second year, germination of leafage branches is promoted to form flower buds by adopting a multiple girdling method, branch pulling is not needed, the method is simple and easy to operate, and shaping can be completed in the same year of planting.

The invention relates to a method for improving yield of amur corktree barks and belongs to the technical field of improvement of yield of barks of trees with the barks useful. The method comprises the following steps: selecting healthy amur corktree plants free from plant diseases and insect pests, girdling trunks, then binding up the profile with a plastic thin film after the bark is peeled, unbinding the plastic thin film after new bark is grown, removing branches sprouted at the base, and girdling the trunks, which are at least 10cm above the ground base and at least 10cm below trunk bifurcations, in sections, wherein peeling length of each section is 80-100cm, and a bark ring which is 8-10cm long is kept between two adjacent sections; and spraying a new bark regeneration agent to the profiles after the girdling and before binding. The method provided by the invention has the advantages that the barks are peeled in sections, and the new bark regeneration agent is smeared after the barks are peeled and used for growth of the new bark of amur corktree, so that on one hand, survival rate is improved and reaches more than or equal to 80%, on the other hand, new bark growth can be promoted after the amur corktree is peeled, regeneration time is shortened, thickness of the new bark can basically reach the thickness of an old bark, and sustainable regeneration and utilization of the amur corktree are realized.

The invention belongs to the technical field of crop cultivation, and in particular relates to a novel red Fuji apple uniaxial extension fruit-bearing branch group updating technology. The technology comprises the following steps of: frequently removing branches but never cutting off the branch group to reduce fruit quantity and make fruits grow upwards; cultivating a new branch group; girdling, ringing, exciting and pinching a dorsal vegetative shoot at proper time; and retracting and updating at the right time. The technology has the advantages that: a new dorsal vegetative shoot is re-cultivated on the substrate of the uniaxial extension fruit-bearing branch group, and after the branch is cultivated into a new uniaxial extension fruit-bearing branch group, the branch is retracted at the right time to complete updating, so that the fruit-bearing branch can still be rejuvenated after a high quality period to ensure the permanency and high yield stability of the fruit-bearing branch group.

The invention relates to a jujube tree girdling machine, and particularly relates to a simple hand-held jujube tree girdling machine. The jujube tree girdling machine comprises a girdling handle, a hinged rivet, C-shaped clamping openings, rolling bearings and girdling blades. The C-shaped clamping openings are welded with the girdling handle, and the sizes of the two C-shaped clamping openings are adjusted by the handle, so that jujube trees with different diameters can be girdled. Each C-shaped clamping opening is provided with one rolling bearing, one girdling blade and a discharging hole.The girdling handle transmits force to the blades on the C-shaped clamping openings by utilizing the lever principle, the blade peels down the bark of a jujube tree, and the peeled jujube tree bark isdischarged through the discharging holes. When the jujube tree is girdled, the rolling bearings rotate around the tree trunk of the jujube tree, so that the friction force between the C-shaped clamping openings and the jujube tree is reduced; the cutting depth of the cutters can be changed through the regulation of set screws on the cutter set holes; and the arc cutting edge of each blade is adopted for transition, so that the bark cutting at different angles can be adapted, and the subcutaneous tissues are not scratched.

The invention provides an artificial auxiliary handheld bergamot pear tree girdling device achieving variable-diameter branch clamping through push-pull electromagnets. The device comprises a handle, a spring, a rotating shaft, a movable circle, a fixed circle and the push-pull electromagnets; the spring is fixedly installed on the handle and is a tension spring, and when operation is conducted, the movable circle is fixed to a branch of a bergamot pear tree through springs arranged on the push-pull electromagnets to prevent the branch from rotating along with a girdling knife; the handle comprises two parts, the fixed circle is installed on the handle, two parts of the fixed circle are buckled together to form a completer circle, the fixed circle is opened and closed along with opening and closing of the handle, a groove is formed in the fixed circle, and a rolling wheel is embedded into the groove and rolls in the groove; a connecting rod penetrates through center holes of the rolling wheels, the rolling wheels do circular rotation, two bergamot pear tree girdling devices are connected together through the connecting rod, a girdling handle is fixed to the connecting rod, the girdling knife is arranged at one end of the girdling handle, a connecting plate is arranged at the other end of the girdling handle, and by means of artificial auxiliary, the girdling knife does circular motion by taking the handle and connecting rod fixing point as a circle center and taking the distance between the fixing point and the knife tip of the girdling knife as the radius to girdle the bergamot pear tree.

The invention relates to a cultivation method for increasing production of cassava seed stalks through girdling. The effective utilization rate of a plant to land and light heat is improved by increasing the length of the cassava seed stalks and blocking nutrients from the middle, so that tuberization of the plant can be formed at both ends so as to improve the yield of cassava. The yield can be obviously improved by planting the cassava seed stalks through girdling. The cultivation method is simple in technical operation and little in labor force consumption, thus the cultivation method is beneficial to improving economic income of cassava farmers, improving the activeness of farmers for planting cassava, and promoting the healthy development of the cassava industry.

The invention discloses an automatic girdling device for a standing tree. The automatic girdling device comprises a flexible railway which is fastened on a stem of the standing tree in an annular form, wherein one end of the flexible railway is fixedly connected to an inserting button and the other end winds around the stem of the standing tree and runs through the inserting button, and the flexible railway is fixed by virtue of an inserting piece which is arranged on the inserting button; an automatic girdling device body is additionally arranged on the flexible railway; the automatic girdling device body can roll and advance on the flexible railway by virtue of rollers; the automatic girdling device body comprises a power portion, a girdling portion, a peeling portion and a control portion; the power portion is connected to the flexible railway by virtue of the rollers and supporting wheels; the control portion is fixedly arranged at the top of the power portion; the girdling portion is fixedly connected to one side of the power portion; and the peeling portion is fixedly connected to one side of the girdling portion.