62results about How to "Guarantee the quality of seedlings" patented technology

The invention provides a seedling and seeding machine. The seedling and seeding machine comprises a rack, and a conveying device at the top of the rack, wherein a subsoil filling device, a punching device, a needle type tray seeding device, a soil covering device and a watering device are sequentially arranged on the conveying device along the conveying direction of the conveying device. According to the seedling and seeding machine provided by the invention, the subsoil filling device, the punching device, the needle type tray seeding device, the soil covering device and the watering device which are sequentially arranged on the conveying device are used for conveying trays, filling the subsoil, punching, seeding, filling trays and covering the soil, and watering, so that the whole work of seedling and seeding can be carried out on one production line, and as a result, the working efficiency in seedling and seeding can be effectively improved. The invention also provides a seedling and seeding method. The seedling and seeding method comprises the following steps in sequence: conveying trays, filling the subsoil, punching, seeding, filling trays and covering the soil, and watering; and by adopting the method, the working efficiency in seedling and seeding can be effectively improved.

A sugarcane seed metering device includes a base, a feeding device, a seed metering device, a seed guiding device, a transmission mechanism and a hydraulic motor. A specific structure and a connectingmode are as follows: the feeding device is mounted on the base, the seed metering device is mounted on the base, the seed metering device is located below the feeding device, the seed guiding deviceis mounted on the base, the hydraulic motor is installed on one side of the base, and a feed roller mechanism of the feeding device and the seed metering roller mechanism of the seed metering device are driven by the transmission mechanism to move. The sugarcane seed metering device can achieve automatic metering of precut sugarcane seeds, the seeds can be uniformly metered according to agronomicrequirements, the seed metering efficiency is high, and the sugarcane seed metering device is suitable for being carried on a carrier such as a tractor or a sugarcane planter.

The invention provides a tissue culture method for one-step seedling formation by using with-leaf petioles of Jingzhou pinellia ternate tissue-culture cluster seedlings. The method includes the following steps that 1, explants are selected, wherein Jingzhou pinellia ternate seeds are obtained, after disinfection treatment, germination is accelerated to form cluster buds, and the with-leaf petioles are selected as the explants for tissue culture; 2, the explants are inoculated into a seedling formation medium for culture until the seedlings grow to be 4-10 cm, wherein the seedling formation medium includes 0.5-1.2 mg / L of 1 / 2MS + IBA, 0.2-0.8 mg / L of NAA, 0.15-0.25 mg / L of TDZ, 3% of sucrose and 0.7% of agar. The with-leaf petioles of the Jingzhou pinellia ternate tissue-culture cluster seedlings serve as the explants, the special culture medium is adopted, the seedlings can be rapidly formed in only 45 days, the multiplication coefficient and seedling quality of the Jingzhou pinellia ternate seedlings are ensured (the rooting rate is 95% or more and the transplanting survival rate is 100%), and scale production is achieved.

The invention discloses a tissue culture method of succulent Haworthia emelyae v.comptoniana 'KYODAI AKASEN', comprising the following steps: washing and sterilizing pedicels of Haworthia emelyae v.comptoniana 'KYODAI AKASEN' HO1 growing vigor and free of disease and insect damage, cutting the pedicels into segments, and transversely placing and inoculating the segments to a callus culture medium for inducing calluses; when sterile calluses grow in a cluster form, inoculating small calluses to adventitious buds inducing medium for inducing adventitious buds; when sterile seedlings induced by the above-mentioned calluses grow to 0.6-1.5 cm in diameter, cutting leaves and inoculating the leaves to a multiplication medium for carrying out adventitious bud culture by leaf induction; subjecting adventitious buds induced with the leaves to rooting culture, strong seedling culture and transplanting.A large number of tissue culture seedlings of Haworthia emelyae v.comptoniana 'KYODAI AKASEN' HO1 can be obtained using the method.

The invention belongs to the field of agricultural machinery and provides a seedling pushing and inclined cutting type pot clamping and seedling picking end actuating device and method. The seedling pushing and inclined cutting type pot clamping and seedling picking end actuating device comprises a seedling pushing and inclined cutting unit and a parallel opening and closing unit, wherein the seedling pushing and inclined cutting unit is obliquely fastened on a bracket; the parallel opening and closing unit is located just below the seedling pushing and inclined cutting unit and is straightlyfastened on the bracket; when seedlings are picked, seedling plants are firstly bent by utilizing a seedling pushing plate of the seedling pushing and inclined cutting unit and a working space of clamping needles is formed; then the clamping needles are used for obliquely inserting and clamping a pot body along the diagonal direction of holes; under the driving a seedling picking mechanism, seedlings are taken out from the holes; when the seedlings are put, the clamping needles are firstly loosened and then the clamping needles are retracted back, so that the pot body of the seedlings are released from a clamping effect; the seedlings and the pot body in which the seedlings grow fall into a planting system through self-weight. The seedling pushing and inclined cutting type pot clamping andseedling picking end actuating device is simple in structure and can be used for effectively preventing the seedlings from being injured when the seedlings are clamped by the needles; two pairs of the clamping needles are obliquely inserted into the pot body along the gradient angle position of the edges of the holes so that the maximum clamping depth can be ensured; the seedling picking qualityis ensured relatively well and the seedling pushing and inclined cutting type pot clamping and seedling picking end actuating device can be used for the field of mechanical transplanting of plug seedlings.

The invention belongs to the field of agricultural machinery and relates to a seedling clamping and digging end executor and method. The end executor comprises a transverse-pushing joint finger, multiple clamping joint fingers and supporting joint fingers; when dug, seedlings are clamped through the clamping joint fingers, clamping needles are pushed out to penetrate cultivation soil of the seedlings obliquely, the clamping joint fingers are pushed to enable the clamping needles to have the cultivation soil clamping the seedlings dug, the seedlings are clamped and dug from a cultivation container under driving of a moving platform, the cultivation soil clamping the seedlings is released when the seedlings are to be released, the clamping needles are retracted, the cultivation soil is enabled to be separated from the clamping function, and finally, the seedlings are released by opening the clamping joint fingers. The end executor is simple in structure and capable of effectively avoiding hurting the seedlings by clamping of the clamping needles, manual digging of the seedlings with shovels is simulated, seedling taking quality is well guaranteed, and the seedling clamping and digging end executor and method is applicable to the field of mechanized transplanting of the container cultivated seedlings such as seed beds, trays or flowerpots.

The invention discloses a method for repairing plants of heavy metal polluted soil. The method comprises the following steps: integrally culturing a heavy metal hyperaccumulator; transplanting to heavy metal polluted soil; dropwise irrigating an activating agent; and removing the hyperaccumulator. The method can be used for effectively improving the effect and efficiency of repairing soil heavy metal plants, reducing the treatment cost and reducing environmental risks including heavy metal percolation and the like.

The invention provides a tissue culture propagation method for Hainan dendrobe. The tissue culture propagation method comprises the following steps: (1) taking newly-sprouted tender buds of healthy plants of the Hainan dendrobe as explants and disinfecting; (2) putting the disinfected explants into an MS basic culture medium to be induced to obtain sterile test tube seedlings; and (3) putting the sterile test tube seedlings into an MS propagation culture medium to perform rapid propagation culture of the test tube seedlings to obtain cluster buds. With the adoption of the culture method provided by the invention, the growth coefficient of the obtained cluster buds of the Hainan dendrobe can be increased by 15-20 times, high-quality Hainan dendrobe germchits with a high survival rate can be provided in short time, and a large-scale seedling growing problem of the Hainan dendrobe is effectively solved.

The invention provides a tissue culture method for one-step seed formation by using Jingzhou pinellia ternate tissue-culture cluster seedlings. The method includes the following steps that 1, with-leaf petioles are taken as explants; 2, the explants are inoculated into a seed formation medium for culture to form bulbils and / or apical buds, and then the buds grow into seedlings after maturation, wherein the seed formation medium includes 1.3-1.7 mg / L of 1 / 2MS + IBA, 0.2-0.8 mg / L of NAA, 0.05-0.15 mg / L of TDZ, 3% of sucrose and 0.7% of agar. The with-leaf petioles of the Jingzhou pinellia ternate tissue-culture cluster seedlings serve as the explants, the special culture medium is adopted, formation of the bulbil and apical bud structures is facilitated, the bulbil and apical bud structures are similar to seed structures, the bulbils and apical buds can grow into the normal seedlings after maturation, the germination rate and the callus rate are high, no seedling exercising is required, seeds can be directly sowed, the survival rate reaches 100%, the quality of the seedlings is guaranteed, and scale production is achieved.

The invention discloses a method of improving and raising quality of rice-transplanting groups for a seed production machine by utilizing wheat packing. The method is characterized in that during the seed-production and sprout cultivation processes of hybrid rice, bonding strength of seedling roots by machine-transplanted seedling is improved by controlling sowing amount of transplanted rice from male and female parents, proportionally adding proper amount of wheat seeds and utilizing bonding strength of wheat seedling roots in order to help interwine rice in plastic plates; therefore, the sowing quantity of rice is reduced and cost is saved; quality of transplanting groups is raised; manual curling, transport, machining and transplanting are conveniently performed in the late period of machine-transplanted seedling in order to satisfy the requirement for machine-transplanted seedling by a machine so that no wheat is forgotten to be transplanted; after transplanting, during early tillering in groups for seed production regeneration, population quality of seedlings on land for growing field crops is easily produced; after transplanting, wheat seedlings cannot take root and grow in paddy fields due to growth characteristics of wheat; no adverse effect is exerted on growth of rice population so that quality of seedling groups is improved; and finally, seed production is improved and the effect of saving cost and enhancing efficiency is significant.

The invention discloses a culture method of cymbidium, aiming at solving the problems that when the cymbidium is bred by a tissue culture technique at present, mutation is inevitably produced, so that the seedling quality is influenced, and the breeding speed of protocorm-like bodies is limited. The culture method comprises the following steps: inducing the protocorm-like bodies by bud apical meristem, carrying out subculture multiplication of the protocorm-like bodies, carrying out differentiation on the protocorm-like bodies to produce adventitious buds, and carrying out strong seedling culture on the adventitious buds to obtain seedlings. After the culture method is used, the problem of mutation in the seedling production of the cymbidium can be effectively solved, the occurrence of mutation is reduced, the value-added ratio is increased, more than half of the subculture multiplication time is shortened, and the multiplication rate of the protocorm-like bodies is improved. The test proves that the value-added rate of the protocorm-like bodies is increased by 80-120%, the mutational rate is reduced by 5-9%, and the problem of contradiction between the value-added rate and the mutational rate of the protocorm-like bodies of the cymbidium can be effectively solved. The culture method has important significance for the rapid breeding and industrial large-scale production of the seedlings of the cymbidium, and has better market prospects and application values.

The invention discloses an efficient virus-free tissue culture method of grosvenor momordica fruit, the method is as follows: explants are sterilized to obtain sterile explants; the sterile explants are inoculated in a MS induction culture medium for induction culture to obtain sterile plantlets; the sterile plantlets are precultured in a MS pre culture medium to obtain pre culture plantlets; the pre cultured plantlets are inoculated to a MS virus-free culture medium for virus-free culture to obtain tube multiple shoots; strong tube multiple shoots are selected and inoculated to a 1 / 2MS rooting medium for rooting culture to obtain plants with roots; and finally the plants with roots are hardened and transplanted, wherein the MS induction culture medium comprises at least 0.5-1.0mg / L of Adamantanone, and the MS pre culture medium contains at least 0.5-1.0mg / L of Adamantanone and 0.1-0.6mg / L of silver nitrate. The proliferation coefficient of the multiple shoots of the grosvenor momordica fruit obtained by the method reaches 20 or 30 times, and the multiple shoots are strong. After inoculation to the rooting medium, the roots are easy to grow, and the rooting rate can reach 95%, and the survival rate is 95%.

The invention discloses an in-vitro culture method for berchemia lineata. The in-vitro culture method for the berchemia lineata comprises the following steps: selecting a new tip sprouted in current year on a berchemia lineata plant; performing disinfection processing, and connecting the new tip into an auxiliary bud germinating culture medium for culturing; when an auxiliary bud extends to 3 to 5 cm, cutting the germinated tender tip, transferring the tender tip to a rooting culture medium and performing rooting culture; performing seedling hardening on a test tube plantlet with good root growth. The method disclosed by the invention is simple, quick and high-efficiency; the reproductive efficiency of berchemia lineata seedlings is effectively improved; the seedling quality is ensured. By adopting the method disclosed by the invention, one small berchemia lineata seedling of the current year can be changed into about 8,000 neat seedlings after one year, i.e., a large amount of high-quality seedlings can be reproduced quickly to meet the requirement on the berchemia lineata seedlings of a medicine market and enterprises of herbal tea production and the like. In addition, the method also has the characteristics that the survival rate after the berchemia lineata is cultured in a large field is high; the seedlings grow quickly; roots (medicinal parts) are thick and strong.

The invention discloses a vibrating sugarcane sowing device, which comprises a substrate, a support frame, an automatic dispersing and sorting device, a vibrating sowing device, a receiving funnel and a DC motor, wherein the automatic dispersing and sorting device is arranged on the support frame; the vibrating sowing device is located at the lower part of the automatic dispersing and sorting device and is connected with the base through a four-bar mechanism and a crank-link mechanism; and the receiving funnel is arranged in front of the base. By adopting the vibrating sugarcane sowing device, the dispersity of sugarcanes before sowing can be ensured; the replanting rate is reduced; the sugarcanes are sorted and branched, so that sowing is more uniform, the injury rate is low and the sowing speed is high. The vibrating sugarcane sowing device is conveniently carried on a sugarcane planter carrier, the labor intensity can be reduced and the operation productivity is improved.

The invention discloses a method for rapidly cultivating rosa chinensis minima potted flowers by pinching for one time. The method comprises the steps of direct cutting in flowerpots and directional seedling growing for one time and pinching and trimming for one time in the seedling stage. Compared with a traditional multi-step potted flower cultivation method that seedlings are first cultivated and then potted, the production steps of seedling potting and transplanting, and combining and molding are reduced, damage and investment which are caused by seedling potting and transplanting are prevented, survival rates of the seedlings are increased, rooting and sprouting are ordered and consistent, and production cost is reduced. The number of flower branches and extension directions of foliage leaves can be directionally cultivated by the technologies of directional cutting and pinching and trimming for one time, the sprouting time of plant buds and consistency of flower branch growth are ensured, the potted flowers are promoted to the molded rapidly and fully, ornamental characteristics are largely improved, insect diseases are prevented, the ratio of high-quality potted flowers is significantly improved, the production cycle is as short as 60-85 days.

The invention discloses a method for tissue culture and rapid propagation of phyllanthus reticulatus poir. The method comprises the following steps: selecting and disinfecting an explant; acquiring asterile test-tube plantlet; carrying out enrichment culture, carrying out strong seedling culture; carrying out rooting culture; and carrying out hardening-seedling and transplanting. The method has the advantages of being simple in culture substrate formula, simple and convenient in culture process, simple in operation, high in propagation coefficient, good in germchit quality and the like, and provides technical support for industrial seedling culture of phyllanthus reticulatus poir.

The invention discloses a tissue culture and rapid propagation method of Jin-mei yangtao actinidia fruits. The method includes the steps: (1) aseptic seedling acquisition; (2) adventitious bud regeneration; (3) adventitious bud proliferation and strong seedling culture; (4) rooting culture; (5) transplanting. The method is characterized by a germination culture medium, a regeneration culture medium, a proliferated strong seedling culture medium, a rooting culture medium and corresponding culture conditions. The four targeted culture media are used for tissue culture of the Jin-mei yangtao actinidia fruits, a large number of Jin-mei yangtao actinidia fruit seeds and seedlings can be rapidly propagated in a short time, seed and seedling quality can be maximally ensured by tissue culture, seed and seedling propagation speed is increased, industrial production of the seeds and seedlings is realized, and the requirements of production for the Jin-mei yangtao actinidia fruit seeds and seedlings are met. Variety seeds and seedlings are directly subjected to tissue culture, a variety cutting orchard is built, the bottleneck of scion grafting in traditional grafting propagation is broken, and production requirements are sufficiently met.

The invention discloses a tissue culture propagation expanding method for dendrobium falconeri. The method comprises the steps of an explant selection step, an explant sterilization step, a sowing step, a secondary culture step, a rooting culture step, and a seedling hardening domestication and transplanting step. According to the preparation method provided by the invention, the stability of germplasm is controlled from a female parent source, the breeding speed and breeding quantity of seedlings of the dendrobium falconeri can be effectively improved, the quality of the seedlings can be guaranteed, industrialized production of the high-quality seeds and seedlings of the dendrobium falconeri can be realized, requirements for production can be met, and a current situation of resource scarcity can be relieved.

A method for inducing vanda subconcolor leaves to obtain protocorm-like bodies comprises the following steps: (1) inoculating an MS propagation culture medium with vanda subconcolor sterile test-tube seedlings for culturing, so as to obtain sterile cluster-bud leaves; (2) scratching the backs of the sterile cluster-bud leaves by using a scalpel, then, placing the scratched leaves in the MS propagation culture medium for culturing, and inducing the leaves to obtain the protocorm-like bodies. The vanda subconcolor protocorm-like bodies obtained by adopting the method are high in propagation coefficient and stout, robust plants are obtained after rejuvenation is carried out, and robust vanda subconcolor high-quality seedlings can be provided in a short period, so that the problem about large-scale seedling culture of the vanda subconcolor is effectively solved.

The invention relates to the propagation production of cane seedlings, and provides a method for removing cane perennial root dwarfing germs and rapidly propagating healthy cane seedlings, which comprises the following steps: little amount of original seeds are treated by hot water, stem tips which are detected to be feminine by the regenerated plantlet by carrying out speckle enzyme marker immune test (DB-EIA) is taken as an explant, healthy seedlings are produced by induction culture, secondary propagation culture, root-promoting culture, temporary planting and second-stage or third-stage nursery propagation-extension; furthermore, the disinfection of seed-cutting tools (cane knives) is paid attention to in the nursery propagation-extension, before the seedlings are used as seeds for large field production after coming out from nursery, cane stem juice is extracted by sampling, and RSD virus is detected by using the DB-EIA, thus guaranteeing the providing of qualified seedlings. Themethod has the advantages that: dwarfing disease pathogenic bacteria of the perennial root of the cane seedling can be thoroughly removed, annually propagation coefficient can reach as high as more than 10 thousand times, furthermore, the seedling has no variation, has the advantages of being fast, high-efficient and safe, and is suitable for the industrialized and standardized production of the cane healthy seedlings on scale.

The invention discloses a tissue culture and rapid propagation method of Donghong actinidia fruits, and relates to a actinidia fruit variety tissue culture and rapid propagation method. The method includes the steps: (1) aseptic seedling acquisition; (2) adventitious bud regeneration induction; (3) adventitious bud proliferation and strong seedling culture; (4) rooting culture; (5) transplanting.The method is characterized by a germination culture medium, a regeneration culture medium, a proliferated strong seedling culture medium and a rooting culture medium. The four targeted culture mediaare used for tissue culture of the Donghong actinidia fruits, a large number of Donghong actinidia fruit seeds and seedlings can be rapidly propagated in a short time, seed and seedling quality can bemaximally ensured by tissue culture, seed and seedling propagation speed is increased, industrial production of the seeds and seedlings is realized, and the requirements of production for the Donghong actinidia fruit seeds and seedlings are met. Variety seeds and seedlings are directly subjected to tissue culture, a variety cutting orchard is built, the bottleneck of scion grafting in traditionalgrafting propagation is broken, and production requirements are sufficiently met.

The invention relates to the field of agricultural automation and discloses fully-automatic cultivating and harvesting integrated equipment for culture of seedlings. The equipment comprises a seedling cultivating carrier and cultivating containers. An optical scanning system comprises a left side light-emitting light source and a right side light sensor which form the correlation layout. The height of the right side light sensor and the left side light-emitting light source is equal to the set growth height of seedlings. The equipment further comprises a mini-type processor system connected with the right side light sensor. The grown seedlings are automatically harvested, seedlings needing to be continuously cultivated can be automatically placed, and manual participation is basically not needed. A large amount of labor cost is reduced, and possibility of bacterial infection of the seedlings is reduced at the same time. In addition, the seedling cultivating carrier is densely arranged, and the space is saved conveniently or an existing space is allowed to be more efficiently utilized. The cost can be lowered, the quality of the seedlings is ensured, and the yield is effectively improved.

The invention discloses a method for strawberry seedling breeding, which is characterized by comprising the following steps: step 1, breeding original seedlings in nutrition pots until the original seedlings enter into a reproduction and growth stage; step 2, arranging seedling-breeding ridges according to a propagation coefficient for the nutrition pots filled with the original seedlings and a breeding hole tray, i.e. placing the nutrition pots into the breeding hole tray, then filling nutrition soil, compacting the nutrition soil and leveling with the breeding hole tray surface to grow the seedlings; and step 3, after sprouts at the top end of the original seedling stolon begin to root, carrying out fixing treatment so that the sprouts at the top end of the stolon grow in the nutrition pots in breeding hole tray meshes to form the independent seedlings finally. The seedlings can be grown in a greenhouse according to the mode in prior art, therefore, the time and labor are saved and the seedlings are convenient to manage and classify; and the high-quality nutrition pot breeding seedlings can be grown outdoors by breaking through the conventional method, therefore, the investment is saved, the breeding number of the high-quality seedlings is increased, the seedling cost of planters is lowered and the high-quality seedling rate can reach more than 95%.

The invention discloses a tissue culture seedling raising method for dendrobium transparens. The method comprises the following steps: an explant selection step, a capsule disinfection step, a sowingstep, a secondary culture step, a rooting culture step, a seedling hardening domestication step and a transplanting step. The tissue culture seedling raising method for the dendrobium transparens provided by the invention can effectively increase the breeding speed and breeding quantity of seedlings of the dendrobium transparens, control the stability of germplasm from a female parent source, ensure the quality of the seedlings, realize industrialized production of high-quality seeds and seedlings of the dendrobium transparens, meet production needs, and relieve a current situation of resourcescarcity.

The invention provides a seedling and seeding machine. The seedling and seeding machine comprises a rack, and a conveying device at the top of the rack, wherein a subsoil filling device, a punching device, a needle type tray seeding device, a soil covering device and a watering device are sequentially arranged on the conveying device along the conveying direction of the conveying device. According to the seedling and seeding machine provided by the invention, the subsoil filling device, the punching device, the needle type tray seeding device, the soil covering device and the watering device which are sequentially arranged on the conveying device are used for conveying trays, filling the subsoil, punching, seeding, filling trays and covering the soil, and watering, so that the whole work of seedling and seeding can be carried out on one production line, and as a result, the working efficiency in seedling and seeding can be effectively improved. The invention also provides a seedling and seeding method. The seedling and seeding method comprises the following steps in sequence: conveying trays, filling the subsoil, punching, seeding, filling trays and covering the soil, and watering; and by adopting the method, the working efficiency in seedling and seeding can be effectively improved.

The invention discloses an arbor seedling raising device for greening. The arbor seedling raising device comprises a base, a clamping cylinder and a culture cylinder; the base is cylindrical; the clamping cylinder is fixed to the center of the top face of the base; the top of the clamping cylinder is open; the interior of the clamping cylinder is hollow; the culture cylinder is inserted into the clamping cylinder and is slidably connected with the clamping cylinder; a plurality of rollers are arranged at the bottom of the base; the rollers are arranged at equal intervals in the circumferential direction; a driving groove which is sunken upwards is formed in the center of the bottom of the base; and a driving motor is arranged below the driving groove. During seedling raising, the device is placed outdoors, and the driving motor works to drive the base to rotate, so that seedlings can obtain sufficient illumination conditions at different time; the seedlings are fixed through the arrangement of a deviation corrector, and growth deviation caused by uneven illumination and uneven water absorption in the seedling growing process is avoided; and through the arrangement of the driving motor and the deviation corrector, adaptive adjustment of illumination and the like is carried out on trees in the growth process, and the seedling raising quality is guaranteed.

The invention relates to a tobacco floating seedling raising method capable of reducing disease spread of a seedbed. The method comprises the following steps: A, forcedly disinfecting a tobacco nursery; B, filling a floating plate with a seedling raising matrix; C, performing single-hole monoseeding accurately; D, performing leaf cutting in combination with a residue receiving plate; E, performing ventilation and lighting as early as possible and performing transplantation. Compared with the prior art, the method is low in cost and convenient to operate, the effect of reducing the disease spread is remarkable, the tobacco seedling emergence rate can be increased due to accurate seeding, the thinning and replanting operations are reduced, and the disease spread probability is reduced; the seeding time is accurately determined through actual temperature measurement, so that the situation of too late seedling emergence can be avoided; the leaf cutting frequency is reduced, so that the disease spread probability of the leaf cutting link can be reduced; the residue receiving plate can avoid contact between residue juice and tobacco seedling wounds during leaf cutting to reduce the disease spread probability, and the disinfected residue receiving plate further can disinfect the tobacco seedling wounds; the ventilation and lighting are carried out as early as possible, so that the defect of excessively fast tobacco seedling growth caused by reducing leaf cutting operations can be made up for and the adaptability of tobacco seedlings to the outside can be improved as early as possible.

The invention discloses a method for rapidly cultivating rosa chinensis minima potted flowers by pinching for one time. The method comprises the steps of direct cutting in flowerpots and directional seedling growing for one time and pinching and trimming for one time in the seedling stage. Compared with a traditional multi-step potted flower cultivation method that seedlings are first cultivated and then potted, the production steps of seedling potting and transplanting, and combining and molding are reduced, damage and investment which are caused by seedling potting and transplanting are prevented, survival rates of the seedlings are increased, rooting and sprouting are ordered and consistent, and production cost is reduced. The number of flower branches and extension directions of foliage leaves can be directionally cultivated by the technologies of directional cutting and pinching and trimming for one time, the sprouting time of plant buds and consistency of flower branch growth are ensured, the potted flowers are promoted to the molded rapidly and fully, ornamental characteristics are largely improved, insect diseases are prevented, the ratio of high-quality potted flowers is significantly improved, the production cycle is as short as 60-85 days.