44 results about "Tomato grafting" patented technology

The invention discloses a tomato seedling grafting technology and a management method thereof and belongs to the technical field of crop cultivation. The tomato seedling grafting technology comprises the following steps of: setting a seedling growing green house, selecting seedling substrate, selecting stock, carrying out pretreatment on seeds and sowing, grafting according to operating procedure and managing after grafting. The tomato grafting seedlings provided by the invention adopt 'Qieza No.2' as the stock, so that the seedlings have good disease resistance, and early germination potential is strong; besides, stem of eggplant stock is thick, so that survival rate of grafted seedlings can be beneficially improved; meanwhile, an approach grafting technology and a late optimized and reasonable management method are combined, so that the survival rate is further improved in a practical grafting process, growth vigour of the tomato seedlings after grafting is strong, late fruit setting time is ahead of schedule, fruit yield is high, pulp colour is pure, taste quality is good, and commodity performance is extremely high.

The invention relates to a tomato grafting method, which comprises the following steps of: sowing stock seeds; sowing cions and tomato seeds when the height of stock seedling is 4-6 cm; transversely cutting off top interior leaf at a position 4-5 cm above the lignification position of the root of the stock seedling, vertically cutting downwards from the middle position of the stock stem to a depth of 0.4-0.5 cm, transversely cutting at the depth of 0.5 cm to remove half of the stock stem with an incision angle of 90 degrees; removing root at a position 1.4-1.6 cm below the stem leaf of the cion seedling, vertically cutting upwards from the middle position of the cion stem to a depth of 0.5 cm, transversely cutting at the depth of 0.5 cm to remove half of the cion stem with an incision angle of 90 degrees; butting the incision of the stock and the incision of the cion and fixing with a fixture. Since the incisions of the stock and the cion are right angles, the contact area of the joint is large, the joint can be healed up completely, the incisions of the stock and the cion have strong affinity, and the survival rate reaches more than 93 percent. After grafting, a produced tomato variety has remarkably enhanced root-knot nematode disease resisting capability and TY virus resisting capability, and the yield of tomatoes is obviously improved.

The invention discloses a tomato grafting and seedling-growing method, which includes steps of (1), preparation of substrate; (2), stock scion sowing and management; (3), grafting; (4), grafting seedling management. The method can greatly improve the survival rate of the tomato grafting seedling.

The invention discloses a method of culturing a tomato grafted seedling. The method includes the following steps of conducting cuttage on a lateral branch of a tomato elderly plant, using a new bud obtained through cuttage as a scion, using a wild eggplant as a rootstock, grafting the rootstock and the scion, cultivating the grafted seedlings, selecting good and robust plants without plant diseases and insect pests as stock plants, picking a lateral branch with 3 leaves to 5 leaves and using the lateral branch as a cutting, cutting leaves, budding inflorescence and growing points of the picked cutting, simultaneously cutting 4 centimeters of the lower portion of the cutting, wherein a cutting opening of the lower end needs to be smooth and an angle of the cutting opening is from 30 degrees to 45 degrees, soaking the well cut cutting in 800-time carbendazim solution for 1 minute to disinfect the cutting, and simultaneously preventing the cutting from loosing water and rootage from being influenced. The lower portion of the cutting is soaked in 100 milligrams per kilogram of indolebutyric acid for 10 seconds to 15 seconds, and therefore high rooting percentage can be obtained and rooting time can be shortened. The cutting is inserted into base material with 5cm*5cm density, the inserting depth is from 2 centimeters to 3 centimeters, a root system and a new bud come up after 10 days to 15 days, and the new bud is cut out to be used as the scion when 3 leaves to 4 leaves grow on the new bud. The method of culturing the tomato grafted seedling has the advantages of being high in uniformity, easy to manage after planting, high in harvest and consistent in fructescence.

The invention relates to the technical field of agricultural planting, in particular to a tomato grafting culture planting method. The tomato grafting culture planting method specifically comprises the steps of culturing stocks, culturing and selecting scions, carrying out scion processing before grafting, selecting the stocks to carry out grafting, carrying out seedling management after grafting and carrying out field management. By reasonable technical processing, influence of diseases and insect pests can be reduced and cold resistance and drought resistance of tomato plants can be reinforced, so that the fruit setting rate is improved, fruit setting quality is promoted, planting cost is saved and incomes of farmers are increased.

The invention belongs to the technical field of vegetable grafting, especially a grafting method for tomato. The method comprises the steps: selecting stock seedlings with strong appetency and scion for cutting, grafting and management after grafting. The method specifically comprises the following steps: cultivating scion; the stock seedlings and scion sterilization; and the management after grafting. The method is simple, is easy to operate, is high in grafting survival rate, is high in speed of regrowth, and saves labor. The impact on the method from weather is very small, and the performances of water absorption and moisture retention are high. For good seedlings, the cost can be greatly reduced, and the varieties of tomato can be improved. In addition, the resistance is improved, and the yield is improved.

The invention relates to a symbiotic cultivation method of a tomato grafting with a purple spring potato. The method comprises the steps that a tomato seed is sowed, and a purple spring potato is planted; when the height of a tomato grafted seeding ranges from 10 cm to 15 cm or the grafted seeding has six or eight leaves at the last ten-day of February, grafting is conducted; growing point and one cotyledon of the purple potato are cut by a blade, then a peeled bamboo stick is aslant inserted downward about 1 cm from a main vein with a stock and the cotyledon being peeled off in the direction of a cotyledon on the other side, a wedge-shaped plane with the length of the oblique plane about 1 cm is peeled at the position below the a tomato cotyledon 1 cm to 1.5 cm by the blade, and a peeled scion is inserted into a hole. When a graft union is healed, a full and integrated symbiotic plant of the purple potato and the tomato is bred, and the tomato above the ground and the potato below the ground can be harvested at the same time, high yield and funny ornamental value are integrated in one, and the use ratio and disease-resistant ability of the land are improved.

The invention discloses a method for cultivating a grafted tomato seedling with two sprouts. The method mainly includes the steps that a stock species which is resistant to stress and high in water absorption capacity and fertilizer absorption capacity and a scion species which is high in yield and good in quality are selected, the stock and the scion are cultivated to have 2-4 true leaves separately, tube grafting is conducted, after the grafted seedling completely survives, a cutter is used for making a horizontal slash on the embryonal axis portion of the scion of the grafted seedling, the true leaves and an apical growing point are removed, one two cotyledons are maintained, the grafted seedling continues to be cultivated to sprout in the axil, and two side branches are generated. Compared with a traditional grafted tomato seedling, the two side branches which are uniform in growth vigor can be generated, after planting, the two side branches become two fruit bearing main vines, and the good-quality and high-yield cultivation of tomatoes is easily achieved.

The invention discloses a matrimony vine tomato grafting method using inarching, whip grafting and cleft grafting technologies to improve grafting survival rate; matrimony vine root and tomato root can cocuiture tomato branches, so woody matrimony vine can be grafted onto herbal tomato, thus realizing affiliation of various genera plants. The matrimony vine tomato grafting method can improve disease resistance and cold resistance of the grafted tomato, thus increasing yield, improving quality, prolonging survival life stage, and promoting tomato safety overwintering; measured results show that matrimony vine polysaccharide content in every 100g of matrimony vine tomato is 0.73g, calcium content is 8.27mg, vitamin E is 1.113mg, and most outstanding point is that trace element selenium content is 0.197mg, thus improving selenium content by 19.7 times when compared with a normal tomato.

The invention provides a method for improving potato and tomato grafting survival rate. The method comprises the following steps: selecting a potato as a rootstock and selecting a tomato as a scion, and cultivating a seedling of the scion 30 to 60 days before that of the rootstock; remaining the stubble of a young seedling of the potato rootstock with the height of 10 cm, and removing all branches, buds and leaves; when the young seedling of the tomato scion grows to 20 to 25 cm, bevelling from the basal part of a stem of the young seedling at 45 degrees, and taking the tomato scion; treating the tomato scion for 30 minutes by using an activated formula, and grafting; transversely cutting the potato rootstock at the position of 10 cm, inserting the tomato scion into a notch of the potato rootstock after the centre of the notch is cut vertically, and fixing by using a grafting clamp to complete grafting; cultivating the grafted tomato seedling at the temperature of 25 to 28 DEG C and the air humidity of 70 to 95 percent. According to the method for improving the potato and tomato grafting survival rate provided by the invention, the stereoscopic cultivation yield benefit of an over-ground vegetable and an underground vegetable can be multiplied; the potato and tomato grafting survival rate is improved from 16.7 percent to 86.0 percent; the production cost is reduced by 68 percent or above; industrialization of a tomato and potato grafting technology is realized.

The invention discloses a method of raising seedlings of tomatoes by grafting, pertaining to the technical field of agriculture. The method comprises the following steps: S1, pre-processing of seedlings: stock preparation and preparation of tomato seedlings; S2, grafting with sleeve pipes; S3, management of seedling raising: temperature and humidity control and illumination control; S4, water and fertilizer management. The method directly utilizes the sleeve pipe instead of grafting clamps during grafting of tomatoes so that operation is easy. Damage of the grafting clamps to grafted seedlings is avoided so that survival rate is increased. Because of proper lengths of the sleeve pipes, the sickness rate of plants is lowered. A multi-layer light-shading net or a white thin film is utilized for management of seedling raising. On one hand, the survival rate of the grafted seedlings is increased. On the other hand, the grafted seedlings grow more robustly and demonstrate higher resistant to diseases. The grafted seedlings grow more uniformly, which provides a guarantee for field planting in the later period.

The invention discloses a tomato grafting seedling growing management method, and belongs to the technical field of crop cultivation. The tomato grafting seedling growing management method comprises the following steps of medium preparation, stock and scion preparation, grafting and grafting seedling management. According to the method, when tomatoes are subjected to grafting, a soft casing pipe is utilized instead of a grafting clamp, the operation is simple, the tomato grafting seedlings can be prevented from being harmed by tomato grafting seedlings, and the survival rate is increased. A seedling growing goods shelf with light supplementing and moving functions can greatly increase the vertical and improve the seedling growing efficiency of the unit area; a plastic thin film is adoptedfor covering, the watering amount in the early stage can be reduced, heat and vapor released by respiration of the tomato grafting seedlings are utilized, and artificial jamming is reduced; non-wovenfabric is utilized for coverage, the moisture preservation can be added, the ventilation function is also achieved, and the situation that seedlings are rotted when the humidity is too large is avoided; in the early using period, weak light is adopted for light supplementing, the healing rate is increased, tomato grafting seedlings grow more robustly, the disease resistance is stronger, the overall growth of the grafting seedlings is more uniform and neater, and guarantee is provided for field planting in the later period.

The invention discloses a grafting and seedling raising method of non-cotyledon tomatoes of small seedling age. The grafting and seedling raising method comprises the steps of breeding stocks and scions, performing management after sowing, performing grafting, performing management after grafting, and performing management after seedlings are survival being grafted. By the method disclosed by theinvention, the regularity of seedlings before being grafted can be improved, grafted seedlings which are consistent in specifications, robust and high in resistance are obtained, the grafting efficiency is improved, the survival rate of the grafted seedlings is increased, the grafted tomato seedlings obtained by the method disclosed by the invention are high in survival rate and excellent in quality; and besides, a seedling raising manner of rockwool plugs / blocks and a unified seedling raising means easy to operate are adopted, so that management after field planting of the grafted seedlings is convenient, and the method is suitable for batch production of grafting and seedling raising of the non-cotyledon tomatoes of small seedling age.

The invention prelates to a seedling culture method capable of increasing a tomato grafting survival rate. The seedling culture method is characterized by including the steps of seedling culture substrate preparation, scion selection and culture, stock selection and culture, grafting, post-grafting management, seedling management and filed planting, wherein stock selection and culture includes spraying 150 PPM paclobutrazol on stocks after 20-25 days of stock seeding; or post-grafting management includes spraying 150 PPM paclobutrazol on grafted seedlings after 13-15 days of grafting. The seedling culture method has the advantages that the grafting survival rate can be increased, grafted nursery stocks are thick with thick leaves and high in quality, and the seedling age elasticity is changed from 5 days to about 15 days and is increased by about 10 days, so that the number of the seedlings is increased, and the utilization rate of a seedling culture greenhouse and the survival rate after transplanting are increased.

The invention provides a tomato grafting seedling raising temperature control device and method. The tomato grafting seedling raising temperature control device comprises a grafting seedling raising information monitoring module, a temperature adjusting module, a central control module and a seedling raising information monitoring platform, wherein the grafting seedling raising information monitoring module is used for continuously monitoring the temperature of the environment, seedbeds and water required by tomato grafted seedling cultivation and collecting image information of the growth state of the tomato grafted seedlings; the temperature adjusting module is used for increasing and decreasing the temperature of the greenhouse environment, the water temperature for watering the grafted seedlings and the temperature of the seedbed of the grafted seedlings according to the adjusting signal sent by the central control module; the central control module is used for storing and processing the temperature information and the image information sent by the grafting seedling raising information monitoring module; and the seedling raising information monitoring platform is used for visually monitoring the production state of the grafted seedlings and the temperature change information of the growth period. The tomato grafting seedling raising temperature control device can monitor the growth state and the growth temperature of the grafted seedlings continuously, remotely and automatically, and the seedling raising management efficiency of the tomato grafted seedlings is improved.

The invention discloses a method for grafting a tomato casing with stem segments. The method is characterized in that in grafting, apical buds and the stem segments are respectively selected to be used as scions directly according to the height of the scion seedlings and the number of leaves, 1-2 true leaves can be reserved for each stem segment, and 2-3 scions can be taken for each plant; a cutting blade is firstly used to cut the position obliquely upward at an angle of 35-45 degrees at the distance of 6-7cm from the base of hypocotyl of selected rootstock, the cut surface is flat and smooth, and a soft casing is inserted in the top of the cut surface of the rootstock so that the lower portion of the cut surface of the rootstock is at the middle height of the soft casing; scion seedlingswith the same diameter as the rootstock are selected from the scions and are cut obliquely downward in the position of the hypocotyl at the angle of 35-45 degrees, and the cut surfaces of the selected scion seedlings are inserted in the soft casing to make the two oblique sections of the rootstock and the scions meet closely to obtain the tomato grafting seedlings. The method has the advantages that the apical buds of the tomatoes and the cut stem segments are used for casting grafting, 1 seed can form 2-3 scions, breeding cost is low, grafting is fast and the survival rate is high.

The invention belongs to the technical field of biotechnology and genetic improvement, and discloses a movable miRNA for promoting rootstock root development and drought resistance and an identification method. The movable miRNA for promoting rootstock root development and drought resistance is Mdm-miR160 in apple. The identification method of the movable miRNA for promoting rootstock root development and drought resistance comprises the following steps: RNA extraction and reverse transcription; gene cloning; genetic transformation of apples; drought stress treatment; in-situ hybridization; micro-grafting; tomato grafting on the tobaccos; and data analysis. The movable miRNA for promoting rootstock root development and drought resistance provided by the invention is Mdm-miR160 in apples, and can move from scions to rootstocks to promote root development of the rootstocks, so that the drought resistance of the apples is improved. An overexpressed transgenic line is obtained through genetic transformation of apples, and phenotypic analysis finds that Mdm-miR160e OE shows a dwarfing symptom.

The invention provides a tomato grafting seedling culture method and relates to the technical field of tomato grafting. The method includes stock and scion variety sowing, grafting, low-temperature humidification, sterilizing, lateral bud removing, acclimation and field transplanting. The method has the advantages that the tomato grafting seedling culture technical process can be standardized, andthe method is simple to operate and high in survival rate.

The invention relates to the technical field of tomato grafting, and discloses a tomato grafting method for a plant factory, which is characterized in that each stage in the whole cycle process of tomato scion and stock growth and each link after grafting are accurately controlled; comprising the steps of seed treatment, sowing and germination acceleration, seedling raising light environment management, nutrient solution management, irrigation frequency management and seedling raising environment temperature control, scion seeds are sown 2-4 days earlier than stock seeds during tomato sowing, grafting is conducted when tomato scions are sown for 22-24 days, namely, when stocks are sown for 18-22 days, the grafting node reaches 3.0 mm, at the moment, 2-3 leaves of the scions are grafted, and the seedling raising light environment and nutrient solution management are conducted. And after 10-13 days of seedling recovery, the tomato grafted seedlings can emerge within 30-39 days by adopting the method. According to the method, the seedling emergence time of grafted seedlings is shortened, the rate is greatly increased, and benefits are increased.

The invention discloses a cherry tomato grafting method and belongs to the field of plant propagation. The method includes: cultivation of a rootstock; cultivation of a scion; grafting operation; management after grafting, wherein the rootstock is preferably selected from philodendron congo rootstock, mandala and solanum torvum, and the cherry tomato is preferably selected from Huangfei, Hongfei and Xiariyangguang. Red light capable of promoting wound healing is adopted for irradiation in the process of grafting. The grafting mode can effectively solve successive cropping obstacle of cherry tomato and can prevent and control insect disease; plants after grafting are high in yield, fruits are good in quality, and market needs can be better met.

The invention discloses a compound cultivation method for grafting tomato on potato. According to the compound cultivation method for grafting the tomato on the potato, soil preparation, bedding and deep tillage are carried out, base fertilizer is applied enough; tomato seeds are sowed on every other bed, disinfected potato seeds are sowed onto the other beds 12-15 days after the tomato seeds are sowed, when the height of each tomato grafting seedling reaches 8-10cm after 40-55 days, or when each tomato grafting seedling has four leaves, grafting is carried out; the top stem section, with a length of 1.5-2.5cm, of each tomato grafting seedling is taken, and the tip of each top stem section is sharpened to be wedged, a grafting knife is used for carrying out downwards deep cutting from the top of each potato rootstock seedling, each tomato grafting seedling is inserted into each cut, soil preparation and deep tillage are carried out on the field beds planted with the tomato grafting seedlings again, and disinfected potato seeds are sowed again on the field beds. The compound cultivation method for grafting the tomato on the potato combines cultivation of the potatoes and cultivation of the tomatoes into a whole, and economic value of the tomatoes are improved through effective use of potato resources. As certified, the compound cultivation method for grafting the tomato on the potato improves economic benefit, the output value, per mu, of the potato is larger than two thousand yuan, the output value, per mu, of the tomato is more than fifteen thousand yuan, and the economic character of the tomato is effectively improved.

The invention discloses a method for reducing burley tobacco nicotine, which comprises the following steps: selecting a tomato seedling as a stock and a burley tobacco seedling as a cion, grafting by adopting a cleft graft method, horizontally cutting off the upper half part of the stock that is 8 cm to 10 cm from the soil surface, and vertically downwards cutting a cut with the length of 1 cm; cutting off the upper half part of the cion from a parent, grinding two sides of a stem into wedge-shaped structures with the length of 1 cm, vertically inserting the wedge-shaped structure into the stock, fixing by a grafting clip, and moving into a coalescence curing chamber. The synthesis of the burley tobacco rooted nicotine is controlled manually through a grafting manner, the burley tobacco nicotine is reduced remarkably, and the problem that the content of the burley tobacco nicotine is too high is solved effectively. As burley tobacco and tomatoes are classified as solanaceae, the burley tobacco and the tomato have good affinities, and the grafting success rate reaches more than 70%. The content of nicotine of the burley tobacco and tomato combination is reduced remarkably, the field growth condition is basically consistent with the cion own-rooted seedling, and the acre yield remains almost the same.

The invention provides a continuously tomato-grafting method for offspring cadmium pollution remediation, and belongs to the technical field of heavy metal pollution remediation of plants. The methodincludes the following steps that (1) tree tomato seedlings are selected as stocks, and tomato seedlings are selected as scions for first grafting to obtain first-grafted offsprings of tomatoes; (2) after the first-grafted tomatoes grow for one month, tender shoots on the top are secondly-grafted to other tree tomatoes as the scions, and secondly-grafted offsprings of the tomatoes are obtained; and (3) after one month growth of the secondly-grafted tomatoes, the tender shoots are thirdly-grafted to other tree tomatoes as the scions to obtain thirdly-grafted offsprings of the tomatoes. The cadmium content of the continuously grafted offsprings of the tomatoes treated in accordance with the above-mentioned method is significantly reduced compared with the ungrafted tomatoes, and the biomassof the continuously grafted offsprings of the tomatoes is significantly increased; and the method can be well used for the remediation of the cadmium pollution of the tomatoes and can achieve safe andhigh quality production of the tomato offsprings.

The invention discloses a tomato planting method, and belongs to the technical field of tomato planting. The method includes the following steps of firstly, conducting land preparing and planting andmaking high ridges; secondly, conducting vein leading and rope hanging, wherein a rack is established above the high ridges, a hanging rope is arranged above each tomato plant, when seedlings are ledonto the rack for the first time, the tomato seedlings and the hanging ropes are clamped by vein binding clips, and the ends, away from the root parts, of the tomato seedlings are wound on the hangingropes; thirdly, conducting fruiting management, wherein each time after the tomato seedlings bear a string of fruits, the tomato seedlings are lowered, so other lateral buds can continue to bear fruits, and when the tomato fruiting number reaches 4-6 strings, the tomato seedlings are subjected to topping; fourthly, conducting field management, wherein weeding, pest removing and fertilizer applying are conducted. By means of the method, the tomato yield can be increased, and the problems that in the tomato production process, labor efficiency is low, cost is high and yield is not stable are solved.

The invention relates to a grafting device, in particular to a tomato grafting device. The tomato grafting device comprises a fixing device, the fixing device comprises an inner fixing pipe and an outer fixing pipe, the outer fixing pipe slidably sleeves the inner fixing pipe, the inner surface of the inner fixing pipe is provided with an arc groove, and the bottom of the arc groove is provided with a mounting hole communicated with the outer surface of the inner fixing pipe. A clamping part comprises a clamping arc plate, a push rod and an elastic part, the clamping arc plate is embedded in the arc groove, the push rod is rotationally mounted in the mounting hole in a threaded manner and is rotationally connected with the clamping arc plate, the elastic part sleeves the outer surface of the push rod, and two ends of the elastic part are fixedly connected with the clamping arc plate and the bottom of the arc groove. By the tomato grafting device, the problem of low grafted tomato plantsurvival rate caused by shedding of grafted tomato branches due to infirm grafting in a tomato grafting process is solved.

The invention discloses a double-broken-root double-stem tomato grafting method. The double-broken-root double-stem tomato grafting method comprises the following steps of S1, enabling stocks to havebroken roots and anew take roots: enabling stock seedlings to have broken roots when having two leaves and one bud to three leaves and one bud, and performing cuttage into substrates so that the stockseedlings having broken roots to anew take roots; S2, promoting double-end scions uniform: topping off scion seedlings having two leaves and one bud to three leaves and one bud so that two growing points anew begin to grow at positions of cotyledons, and after topping off the scion seedlings, performing intervention of promoting double stems and promoting double stems uniform in the specific steps of when new growing points begin to grow, using balanced type fertilizers once, and then supplementing fertilizers once every three days so as to promote double stems to grow uniformly; S3, performing step S1 and step S2 at the same time, and after 8-12 days, removing unqualified stocks and scions; and S4, grafting qualified stocks and scions. The grafting process of double-end seedlings is divided into three nodes, and flow standardization management is performed, so that the survival rate of grafted seedlings is 80% or above, the cost can be saved by 25%, and the tomato yield can be increased.

The invention relates to the technical field of agricultural production, in particular to a tomato grafting cultivation method, comprising the following steps: (1) selecting wild tomato with high disease resistance from rootstock; (2) 50 55 DEG C warm wat immersion 20 30 min, followed by 28 30 DEG C wat is soaked again for a period of time, and then place on a clean towel to squeeze out moisture; (3) accelerating sprouting and sowing when the sprouting rate reaches 85%; (4) 3 5 day of sowing, irrigate foot water, sprinkling medicinal soil on that bed surface, and sprinkling seed on the seedbed; (5) The seedbed temperature was maintained at 20 DEG C during the daytime 30 DEG C, night 15 18 DEG C, the temperature remained constant in daytime and 15 DEG C in nighttime after emergence; (6) 3 5 true leaves, with a knife blade in the distance between two true leaves 1 cm between a bevel knife, incision 0.6 0.7 cm, scion; (7) During the first three days after grafting, the daytime temperature remained at 25 27 DEG C, nighttime temperature 18 20 DEG C, constant humidity, shade; The tomato grafting method provided by the invention can effectively improve the survival rate and disease resistance of tomato grafting.

The invention relates to a tomato grafting method, which comprises the following steps of: sowing stock seeds; sowing cions and tomato seeds when the height of stock seedling is 4-6 cm; transversely cutting off top interior leaf at a position 4-5 cm above the lignification position of the root of the stock seedling, vertically cutting downwards from the middle position of the stock stem to a depth of 0.4-0.5 cm, transversely cutting at the depth of 0.5 cm to remove half of the stock stem with an incision angle of 90 degrees; removing root at a position 1.4-1.6 cm below the stem leaf of the cion seedling, vertically cutting upwards from the middle position of the cion stem to a depth of 0.5 cm, transversely cutting at the depth of 0.5 cm to remove half of the cion stem with an incision angle of 90 degrees; butting the incision of the stock and the incision of the cion and fixing with a fixture. Since the incisions of the stock and the cion are right angles, the contact area of the joint is large, the joint can be healed up completely, the incisions of the stock and the cion have strong affinity, and the survival rate reaches more than 93 percent. After grafting, a produced tomato variety has remarkably enhanced root-knot nematode disease resisting capability and TY virus resisting capability, and the yield of tomatoes is obviously improved.

The invention relates to a tomato grafting method, in particular to a tomato grafting method through double root stocks. Tomato seedlings are used as scions, two kinds of root stocks are used and arerespectively solanum torvum swartz seedlings and wild tomato seedlings, firstly the tomato seedlings and the solanum torvum swartz seedlings are grafted, and then the wild tomato seedlings are graftedto bitter gourd seedlings, so that bacterial wilt and root-knot nematodes of tomatoes can be resisted. After tomato grafting with double root stocks, different resistance of the root stocks is used after grafting, so that the disease resistance of plants for resisting bacterial wilt is strengthened, invasion of soil-borne diseases can be effectively prevented, harm of the root-knot nematodes is resisted, and the purposes of resisting diseases, increasing yield and improving commodity are achieved.

The invention relates to the technical field of tomato grafting, and discloses a cultivation method for cyclic balanced production of multiple tomato grafted seedlings from one seed in multiple batches. The cultivation method comprises the steps of precision seeding of scions in advance, cutting of terminal buds, cuttage of the terminal buds to form seedlings, germination promotion of lateral buds and sleeve grafting. Through multi-batch cyclic balanced production of one seed, 3-4 tomato grafted seedlings can be produced at the same time in each batch. According to the method, the scion variety and the stock seed number can be effectively reduced, and the seed and production management cost is greatly reduced; and moreover, the construction method effectively solves the problems that the existing lateral bud grafting seedling raising technology has few seedlings in the early stage and more seedlings in the later stage, the supply is unbalanced, the management cost of stock staging sowing is high and the like.