39 results about "Vitis riparia" patented technology

The invention discloses a grape cuttage root-forcing growing method, relates to planting of a plant and belongs to the field of agricultural planting. The grape cuttage root-forcing growing method is characterized by comprising the following steps: with an eugenic grape vine as a cutting, stumping and shearing 1cm away from a snip at the upper end of the cutting, shearing 0.5cm close to a knot of the snip at the lower end in an inclined manner, after the cutting is cut, placing the cutting in water formed by diluting fermented glutinous rice for 100-500 times, and soaking for 12-24 hours until the snip is bright green and moisture saturation is achieved; then dipping 1-2cm of the base of the cutting with medicine; and then carrying out cutting seedling outdoors. The grape cuttage root-forcing growing method disclosed by the invention has the beneficial effects that the cutting is soaked by an aqueous solution formed by diluting the fermented glutinous rice for 100-500 times, metabolism of plants can be improved, and synthesis of carbohydrate and growth and development of the plants can be promoted; then 1-2cm of the base of the cutting is dipped with the medicine; and the cutting branch is high in survival rate and takes root quickly. The grape cuttage root-forcing growing method disclosed by the invention is simple in process, low in cost and easy to popularize.

A method and a system for increasing the degree days in the immediate environment of fruit bearing vines for the cultivation of particular fruit bearing vines, such as non-rustic vinifera variety vines, in unfavourable climatic regions where the degree days is insufficient for the full maturity of the fruit, is described. Rows of the vines are protected in removable shelters which have a removable tarp cover disposed over a support frame structure to shield the rows of vines from the harsh, vine damaging, winter month temperatures while keeping the vines in a controlled temperature environment. Heated liquid circulation conduits are supported in the shelters at predetermined locations and provide controlled heat during the winter months to prevent the vines and the cordon bearing spuds of the vines from damaging cold temperatures. In the early spring the roots are activated early and the tarp is removed and a transparent film sheet covering is substituted to admit sunlight to help activate the vine early to gain degree days. The method and system is also applicable to semi-rustic or rustic wine producing grape vines grown in these climatic regions having degree days down to about 1200.

The invention relates to a spiral grape vine burying machine, which belongs to the field of agricultural machinery and comprises a machine frame unit, a spiral rotary cultivation soil conveying unit, an impeller soil throwing unit and a motive power transmission unit, wherein the spiral rotary cultivation soil conveying unit completes the soil rotary cultivation and the right single side conveying work through the simultaneous effect of a right cutter blade, a back baffle plate and a soil guide plate in spiral arrangement, the structure is simplified, the power consumption is also reduced, and in addition, the cultivated earth surface is flat; and the impeller soil throwing unit completes the throwing work of soil conveyed by the spiral rotary cultivation soil conveying unit through the counterclockwise rotation of an impeller, the soil can be accurately and intensively thrown to the grape vine position through regulating the soil throwing and soil lifting angle and a soil throwing baffle plate, and the vine burying effect is reached. Because the modular design is adopted, the machine has the advantages that one machine has multiple purposes, after the whole impeller soil throwing unit and the corresponding motive power transmission system are dismounted, the furrowing and soil cleaning operation can be carried out, the spiral grape vine burying machine can also be used as a rotary cultivator through changing the blade installing mode, and the utilization rate of the machine is improved.

An apparatus and method for training a grape vine. The apparatus is a linear grid composed of transverse and longitudinal elements that are configured to result in a network of spaces that are sized to substantially provide a separate space for each vine shoot. The apparatus is mobile within the vine canopy serving various functions as the growing season progresses. The mobility of the grid apparatus allows repositioning throughout the growing season while still retaining the shoots within the grid openings.

The invention discloses a soilless culture method of grapes. By utilizing coconut dust as a soilless culture substrate, a soil environment can be well simulated, the consumption of water and a fertilizer is reduced, plant diseases and insect pests are restrained, the yield of the grapes can be further increased, and the taste of the artificially cultivated grapes can be further improved. The scheme is as follows: the soilless culture substrate is utilized in the culture operation; the soilless culture substrate comprises coconut dust; the coconut dust needs to be washed and desalted until the EC value is lower than 0.5mS / cm before use. According to the soilless culture method, the coconut dust is utilized as a main component of the soilless culture substrate to artificially create a good root environment which is capable of replacing the soil environment and is suitable for the growth of the grapes, so that the requirements of grape crops on environmental conditions including mineral nutrition, moisture, gas and the like are adequately met. Besides, by virtue of the technical measures, technical effects of restraining the reproduction of germs, promoting the healthy growth of grape vines and increasing the taste of the grasps can be achieved.

The invention provides a planting method of selenium-rich grapes, and belongs to the technical field of agricultural plantation. The planting method comprises the following steps: pollinating the grapes in an artificial pollination manner, and carrying out primary top-dressing in 5 days after the artificial pollination; integrally sprinkling a primary selenium-rich fungal fertilizer on grape vines on the eighth-twelfth day after the artificial pollination; and sprinkling the primary selenium-rich fungal fertilizer on young fruits with the size of 2-3 mm, wherein the selenium-rich fungal fertilizer is obtained through the following steps: carrying out microbial fermentation on garlic straws, chicken manure, Radix Astragali residues, furfural residues, dried pine needles, eggshells and brown sugar to form a fermented bio-fertilizer and carrying out fungal planting shift on the fermented bio-fertilizer. The applying time of a selenium-rich foliar fertilizer is controlled and the selenium-rich foliar fertilizer is biologically improved to obtain grapes with high selenium content and increase the yield of the grapes.

The invention relates to a vineyard duck goose ecological polyculture plantation method; grapes are planted into a net; cross bars penetrate grapevine gaps, and the grapevines and cross bars can braid a sky net, so the sky net and the ground can form a netted poultry culture loop; the grape fruit bearing height is 1.4-1.6 meters; the netted culture loop is equally divided into culture zones according to the size of the base; each culture zone is provided with channels allowing ducks and gooses to freely pass; the duck and goose stocking density is 20-30 / mu. The plantation zones and culture zones are reasonably managed in the grape production process, thus improving grape output and quality; in addition, pesticide sprinkling is not carried out, thus ensuring duck goose safety, fully utilizing waste resources, and promoting ecology circulation.

The invention discloses a grape planting method. The grape planting method comprises following steps: flattening ground and planting by cuttage manner; watering once after grape vines are planted for 6 to 8 hours and keeping ground moisture; pruning vines according to growing states of grape vines in order to keep uniform growth of grape vines and achieve adequate lighting and spraying a nutrient solution to grape vines; and applying fertilizers to grape vines and dressing agricultural organic fertilizers and supplementing topsoil for grape vines. The grape planting method has following beneficial effects: the grape planting method is especially and suitably used in a novel high-quality vineyard so that the daylighting rate of grape vines can be effectively controlled; high efficiency for solar energy utilization is obtained; and obtained grape fruits are affected by a little impact of environmental pollution and are great in market value.

A method for breeding tomato plants that produce tomatoes with reduced fruit water content including the steps of crossing at least one Lycopersicon esculentum plant with a Lycopersicon spp. to produce hybrid seed, collecting the first generation of hybrid seeds, growing plants from the first generation of hybrid seeds, pollinating the plants of the most recent hybrid generation, collecting the seeds produced by the most recent hybrid generation, growing plants from the seeds of the most recent hybrid generation, allowing plants to remain on the vine past the point of normal ripening, and screening for reduced fruit water content as indicated by extended preservation of the ripe fruit and wrinkling of the fruit skin.

The invention relates to the field of agricultural machinery and provides a grapevine digging machine used for digging grapevines and collecting films for a grape orchard in spring period. According to the invention, grapevine digging and soil cleaning for spring grape is realized by relying on a spiral conveying principle; the grapevine digging machine is composed of a main unit frame, and a conical spiral type soil-cleaning device, a removable type inclined film-collecting roll shaft device, a land-wheel and reversing-gear device and a power transmission device which are mounted on the main unit frame; and the basic working process of the grapevine digging machine comprises the following steps: outputting power to a reversing-gear box via a tractor power output shaft, driving the conical spiral type soil-cleaning device to dig grapevine and cleaning soil via the reversing-gear box, driving the conical spiral type soil-cleaning device to rotarily cut the soil in a counterclockwise direction, allowing the conical spiral type soil-cleaning device to complete rotary cutting and cleaning of the soil for two sides of the grapevine, toppling the rest of the soil covering the grapevine to one side via the removable inclined film-collecting roll shaft device and the land-wheel and reversing-gear device, and recovering plastic films at the same time, therefore realizing grapevine-digging, soil-cleaning and film-collecting operations for the grape orchard in the spring period.

The invention relates to a cosmetic or dermatological composition or a means for body care and beauty care, preferably on a pure plant basis, for topical use, containing at least one plant hydrolyzate, in particular selected from the group Althaeae radix (marshmallow root), Angelica(e) dahurica (dahurian angelica), Angelica(e) sinensis (Chinese angelica), Armoracia rusticana (horseradish), Artemisia scoparia (redstem wormwood), Astragalus membranaceus (var. mongolicus) (Chinese milk vetch), Capsicum sp., Capsicum annuum (pepper), Centaurium erythraea (common centaury), Cistus incanus (hairy rockrose), Echinacea angustifolia (narrow-leaved purple coneflower), Echinacea purpurea (eastern purple coneflower), Equiseti herba (horsetail), Galphimia glauca, Gentiana lutea L. (great yellow gentian), Guaiacum officinalis, Hederae folium, Hedera helicis (ivy), Juglandis folium (walnut leaf), Leonurus japonicus (Chinese motherwort), Levesticum radix, Levisticum officinalis (lovage), Matricariae flos (or Flos chamomillae (chamomile flower)), Melia toosendan (chinaberry fruit), Millefolii herba (yarrow), Olea europaea (olive), Pelargonium sp. (geranium), Phytolacca americana (American pokeweed), Primulae flos, Primulae radix, Primula veris L. (cowslip), Quercus cortex (oak bark), Rosmarinus officinalis (rosemary), Rumicis herba (sorrel herb), Salix sp. (willow), Salvia miltiorrhiza (red sage), Sambucus nigra L. (black elder), Saposhnikovia divaricata (siler), Scutellaria baicalensis (Baikal skullcap), Siegesbeckia pubescens (Siegesbeckia), Taraxaci herba (dandelion root herb), Thymus L. (thyme), Verbena officinalis L. (vervain), Vitex agnus castus (monk's pepper), and Vitis vinifera (common grape vine).

The invention discloses a pregnant sow feed capable of preventing anorexia and a preparation method of the pregnant sow feed. The pregnant sow feed is characterized by comprising the following raw materials in parts by weight: 160-180 parts of corn protein powder, 80-120 parts of castor bean meal, 140-160 parts of barley flour, 130-150 parts of green grass powder, 100-140 parts of wheat bran, 50-70 parts of grape vine powder, 20-30 parts of spirulina powder, 50-60 parts of wheat straw powder, 20-30 parts of oat powder, 12-15 parts of dried scallop, 6-8 parts of chicken, 0.5-1 part of cooking wine, 18-22 parts of long-shaped rice, 3-4 parts of water chestnut, 1-2 parts of lard, 0.5-1 part of salt, 0.5-1 part of pepper, 2-3 parts of fructus amomi, 1-3 parts of perilla leaves, 1-2 parts of agastache rugosus, 1-2 parts of scutellaria baicalensis, 1-2 parts of rhizoma atractylodis macrocephalae, 1-2 parts of angelica sinensis, 4-5 parts of sea-foam stone powder, 2-3 parts of medical stone powder, 1-2 parts of radix astragali, 10-15 parts of a phagostimulant and a proper amount of water. The feed is designed aiming at the special nutrition requirement for a pregnant sow, and meanwhile the characteristic of disease prevention and treatment is highlighted; the combination of fructus amomi, perilla leaves, agastache rugosus, scutellaria baicalensis, rhizoma atractylodis macrocephalae and angelica sinensis not only can prevent abortion and fetus death of a sow at the duration of pregnancy, but also can prevent anorexia of a sow; because the feed is formed by processing raw materials with different flavors, the feed is unique in flavor and aromatic in smell, and thus the feed can take a treatment effect on sows with anorexia; loss is reduced for the most farmers, and vital practical benefit is provided for the farmers.

The invention discloses a grape vine planting method which includes the steps of (1) building grape vine supports: sequentially burying bamboo poles 1.5 m-1.6 m in length into the ground, wherein the lengths of the portion, inserted into the ground, of the bamboo poles range from 0.2 m to 0.3 m, the line distances between the bamboo poles range from 2 m to 2.1 m, the row distances between the bamboo poles range from 1 m to 1.5 m, and criss-cross hemp ropes are tied between the bamboo poles in each line; (2) planting seedlings: selecting the grape vine seedlings with two to three buds and the lengths ranging from 6 cm to 10 cm, planting the seedlings at the positions 7 cm-9 cm away from the bamboo poles, thoroughly watering the seedlings, and distributing organic fertilizers after five to six days, wherein the planting depths range from 2 cm to 3 cm; (3) carrying out daily management: when vines are grown out from the seedlings, pulling the vines to the hemp ropes, watering the vines every other day, semimonthly weeding, and timely removing ill and old leaves; (4) carrying out harvesting: removing tender tips and tender leaves after fruits are grown out, sleeving the fruits with paper bags, and taking down the paper bags two weeks before harvesting to carry out harvesting. By means of the grape vine planting method, the hemp ropes are adopted for manufacturing the supports, the planting method is simplified, and the production cost can be saved.

The invention discloses a method for soilless culture of grapes. By selecting suitable grape varieties, suitable substrates for the soilless culture of the grapes are configured under the condition that suitable culturing devices are determined; after a series of processing of deserted and pulverized grape branches together with corncobs, flax shells, oxytetracycline drug residues and the like, the deserted and pulverized grape branches, the corncobs, the flax shells, and the oxytetracycline drug residues are compounded with perlite, therefore costs are reduced, wastes can be made profitable to provide a good growing foundation for the grapes, meanwhile, water and air absorption rates of grape roots and root permeability are enhanced, and water and nutrient preserving capabilities are obtained to prevent too much waste of water and nutrients; finally nutrient solutions of different nutritional ingredients are prepared aiming at different growing periods of the grapes and basic materials used for culture can be recycled. According to the method for the soilless culture of the grapes, the substrates are created artificially to replace soil environments for the growing of the grapes,not only are demands of the grapes met, but also pathogenic bacteria reproduction can be inhibited to promote healthy growing of grapevines, and taste and appearance of the grapes.

The invention discloses a grape cultivation process, which comprises the following steps: S1, robust and disease-free grape seedlings with complete main and lateral roots and fine roots are selected,the grape seedlings are planted in a nutrient matrix, the spacing between the grape seedlings is 80 cm, and the thickness of the nutrient matrix is 25 to 29 cm; S2, planting is carried out: fertile sandy loam soil is selected as a planting ground, a support is built on the planting ground, climbing of the grape seedlings is facilitated, a planting hole corresponding to the support is deeply dug beside the support, the root of the grape seedling is treated, and the treated grape seedling is planted in the planting hole; and S3, watering and fertilization are carried out: watering and fertilization are needed in the growing period of grape vines. The cost is saved while the grape output is ensured, manpower is reduced, human resources are saved, the fruit setting rate is improved, the fruitcracking rate is reduced, losses caused by diseases, insect pests and birds are lightened, cleanliness of the fruit surface is ensured, and functions of increasing the yield, improving the quality andincreasing the benefits are realized.

The invention discloses a grape planting method. The method is characterized by comprising the following steps: (1) carrying out planting address selection; (2) shelving grape vine supports; (3) cultivating seedling beds; (4) mounting an automatic irrigation system; (5) carrying out root-culture seedling raising; (6) planting grape plants in the seedling beds, and carrying out fixation; (7) carrying out management: setting working time of the automatic irrigation system, and carrying out fixation and traction on major shoots of seedlings by hollow stone pillars through guiding when vines grow out from the seedlings; and adding a herbicide into a water-storage tank once every half a month for weeding operation; and (8) carrying out picking: picking off tender tips and young leaves when grape fruits grow out, bagging the fruits with paper bags, taking off the paper bags two weeks before picking, and carrying out harvesting. By adopting the technical scheme, the problem that the existing planting methods cannot be accurately applied in a grape growth process is solved.

An apparatus and method for training a grape vine. The apparatus is a linear grid composed of transverse and longitudinal elements that are configured to result in a network of spaces that are sized to substantially provide a separate space for each vine shoot. The apparatus is mobile within the vine canopy serving various functions as the growing season progresses. The mobility of the grid apparatus allows repositioning throughout the growing season while still retaining the shoots within the grid openings.

A method of growing grapes comprising fitting a plurality of longitudinal sleeves to posts, respectively, each sleeve having at least one retainer; attaching at least two lines so that they are held by the retainers in an elevated disposition so that the lines at least partially support a grape vine; mechanically removing the lines from the retainers after harvesting grapes, each sleeve being secured to its respective post by fixing means so that the sleeves remain fitted to the posts when the line is being mechanically removed; pruning parts of the grape vine that remain with the lines when they are removed; and reattaching the lines so that they are again held by the retainers in an elevated disposition for further use.

A soil clearing machine for grape vines, including a frame, a gearbox, a hydraulic pump, a multi-way distributor, a hydraulic oil tank, a support wheel, an auger shaft, a soil collection wheel, a sliding track, and a planer brush mechanism, and the frame is connected to the traction frame, the traction frame is connected to the tripod; the frame is equipped with a gearbox, a sliding track and a digging brush mechanism; the power input shaft of the gearbox is connected to the engine, and its power output shaft is connected to the driving sprocket; the driving sprocket is connected to the driven sprocket through a chain Sprocket; the driven sprocket is connected to the auger shaft; the auger shaft is provided with spiral blades; the multi-way distributor is equipped with hydraulic control handle Ⅰ and hydraulic control handle Ⅱ; the hydraulic pump, multi-way distributor and hydraulic oil tank are connected to each other , forming a control system. The present invention adds a digging brush mechanism to the existing mechanical equipment, which greatly improves the soil removal efficiency of grape vines, and the soil removal rate reaches 80%. Dust raising, environmental protection, high soil cleaning rate.

Provided is a grape vine soil removing machine which is connected to a power traction device in a hanged mode. The soil removing machine comprises a rack, a supporting mechanism, a pendulum-arm mechanism and soil removing mechanism. One end of the rack is connected to the power traction device; the supporting mechanism is arranged on the other end of the rack; one end of the pendulum-arm mechanism is connected to the supporting mechanism in a hinged mode; the soil removing mechanism is connected to the other end of the pendulum-arm mechanism, and is used for conducting shaving and transporting on the soil on the upper portion of the grape vine. The grape vine soil removing machine solves the problems of low labor soil removing efficiency, large labor strength, high cost and the like for grape vines in spring.

The invention belongs to the technical field of poultry farming, and particularly relates to a method of duck breeding in a vineyard. The method comprises the steps that the vineyard with the plant age being two years old or above is used as an underforest breeding land parcel, and in early May, newly-hatched ducklings of one week old are bred in the vineyard; after being pushed back to a duck shed every day, the newly-hatched ducklings are gathered and fed with daily rations once; after the newly-hatched ducklings are bred outside, apart from rainy days, leave surfaces are sprayed with a 0.4-0.5 g / L ammonium glycyrrhetate aqueous solution and a 0.1-0.13 g / L tannic acid aqueous solution once every three days, and after being insolated and dried out sufficiently every day, collected duck manure is gathered and processed once a month and evenly applied and sprinkled under grapevines. According to the method of duck breeding in the vineyard, in the context that daily gain of ducks is guaranteed, the feeding cost of the ducks can be remarkably lowered; meanwhile, high yield can be achieved without the need of applying other fertilizers during grape planting, and the aim of planting and breeding double-harvest can be achieved ultimately.

A new and distinct grapevine variety characterized by medium-sized round, green-yellowish seedless grapes with mild muscat flavor and a crisp texture. The new variety is a mid-season variety, ripening before any other muscat flavored, seedless grape cultivars grown in California. The grapes of the new variety have medium sugar content and excellent eating quality.

An apparatus and method for training a grape vine. The apparatus is a linear grid composed of transverse and longitudinal elements that are configured to result in a network of spaces that are sized to substantially provide a separate space for each vine shoot. The apparatus is mobile within the vine canopy serving various functions as the growing season progresses. The mobility of the grid apparatus allows repositioning throughout the growing season while still retaining the shoots within the grid openings.

This invention is a new and distinct grapevine variety denominated ‘IFG Twenty’. The new grapevine is characterized by producing naturally large seedless blue-black berries having a narrow ellipsoidal to cylindrical shape with a strong fruity labrusca flavor. Fruits normally ripen mid to late season about early to mid-September near Delano Calif. Fruits are fairly low in acidity, with medium dense firm texture, occasionally noticeable seed trace. Vines are productive and can be spur pruned.

The invention discloses a method for breeding earthworms in a grape garden and an earthworm separation device. The method comprises the following steps that 1, a grape vine frame is constructed; 2, grape vines are planted; 3, an earthworm bed is prepared; 4, earthworms are inoculated; 5, the earthworms are harvested. The earthworms are bred under the grape vines, so that the problem that idle landbetween grape trees is wasted in the prior art is solved, the grape trees can be used for shading the earthworms, the cost for manual shading is reduced, the economic value is improved, excrement generated by the earthworms can be used for improving fertile soil for the grape trees, and then the yield of the grape trees is improved.

The invention provides a method for planting grapes balanced in nutrition in order to solve problems in the prior art. The method comprises the steps that S1, N sequences of grape are planted under the conditions that the preset spacing distance is x meters, the preset interval time is t years and grape trunks are arranged side by side or in parallel; S2, after planting of the second sequence of grape is completed a years, the vines of the second sequence of grape are grafted to the trunks of the first sequence of grape, the rest can be done in the same manner, and after planting of the Nth sequence of grape is completed a years, the vines of the Nth sequence of grape are grafted to the trunks of the (N-1)th sequence of grape; S3, the trunks of the grape with the preset life time T are removed, new grape is planted, and after new grape vines grow up, the vines are grafted to the trunks of the grape in the adjacent sequence. By means of the grape planting method, it is ensured that sufficient nutrition is supplied to the grape vines, but fruits are not affected; planting is circulated by means of the method, roots are quickly replaced, no adverse influence on the grown developed branches is generated, and stable output of the fruits is ensured.

The invention provides a grape planting method comprising the steps of loosening soil, improving soil, setting up grape vine supports, planting seedlings, applying fertilizer and picking fruit. Through soil improvement, the survival rate of grape plants is increased; during fruit bearing, fertilizer can be added timely according to growth requirements, so that supply of nutrients is guaranteed; pesticide is sprayed regularly, so that disease and pest damage can be reduced; grapes are characterized by big fruit, high yield and sweet taste; fertilizer and pesticide are free of chemical products, so that the grapes can be eaten safely.

The invention discloses a three-dimensional cultivation method for tea garden interplanting. In a tea garden, tea trees are planted in rows, lucid ganoderma is dug and transplanted between tea rows, grape vines are planted around the tea garden, a grape trellis is erected above the tea trees, and three-dimensional interplanting is formed. According to the biologic characteristics of vine grapes, shrub tea and polyporaceae lucid ganoderma, the growth potential difference and season differences of grapes, tea and lucid ganoderma are utilized, the grape, tea tree and lucid ganoderma three-dimensional interplanting cultivation technology is carried out, horizontal shed frame cultivation is adopted for grapes, land and light temperature resources under the grape horizontal shed frame are utilized, interplanting of a certain number of tea trees is achieved, lucid ganoderma is interplanted between tea rows, mutual promotion of growth of grapes, tea and lucid ganoderma is achieved, the concentrate in-seasons of tea trees and grapes are staggered, meanwhile, the quality of grapes, tea and lucid ganoderma is improved, and economic benefits of the whole tea garden are greatly improved.

The invention discloses a cultivation method of radix tetrastigme. The cultivation method comprises the steps of seedling selection and transplantation, namely selecting radix tetrastigme seedlings, trimming and transplanting the trimmed seedlings to a hilly land northward all year around, dwarf treatment, namely spraying a cycocel to plants every 5-9 days after the germinating shoots of radix tetrastigme grow to the range of 5-6cm and continuously spraying three to four times, pruning, namely immediately removing flower buds and twining spindling branches in the plant growth period, when the diameter of the trunks of the plants is 0.25-0.5cm, the trunks are 0.8-1.0m long and the side branches are 0.3-0.4m long, cutting of the tops of the trunks, pinching the side branches, leaving 2-3 leafs of the pinched side branches and repeatedly pinching, in winter and before plant germination in next year, pruning the plants and leaving 3-5 main branches and 2-3 buds on each branch, and then repeating for 3-4 years, and finally, harvesting. The radix tetrastigme obtained by the cultivation method has a crown type like a grape wine, grows slenderly in a semi-upright and non-climbing manner, and is high in yield.

This invention is a new and distinct grapevine variety denominated ‘IFG Twenty’. The new grapevine is characterized by producing naturally large seedless blue-black berries having a narrow ellipsoidal to cylindrical shape with a strong fruity labrusca flavor. Fruits normally ripen mid to late season about early to mid-September near Delano Calif. Fruits are fairly low in acidity, with medium dense firm texture, occasionally noticeable seed trace. Vines are productive and can be spur pruned.