83 results about "WATERMELON SEED" patented technology

The invention discloses a molecular marker, a primer pair, a kit and a method for identifying the size character of watermelon seeds and application, and belongs to the technical field of molecular marker-assisted breeding. The invention provides a molecular marker (as shown in SEQ ID NO.1-2), a primer pair (as shown in SEQ ID NO.3-4) and a kit containing the primer pair for identifying the size character of watermelon seeds in order to identify the size character of the watermelon seeds more quickly and more accurately in the watermelon seedling stage and realize watermelon germplasm resource screening and molecular assisted selection breeding. According to the identification method provided by the invention, the to-be-detected watermelon genome DNA is extracted in the seedling stage, so that molecular marker-assisted selection can be performed on the watermelon seed size character, the operation is simple and convenient, the breeding accuracy and efficiency are improved, the variety breeding period is shortened, and the variety breeding process is accelerated.

The invention discloses a watermelon 2.7 K liquid phase breeding chip as well as a special single nucleotide polymorphism variation site and application thereof. The 2.7 K liquid phase breeding chip provided by the invention comprises a probe combination for detecting 2765 single nucleotide polymorphism variation sites in a watermelon genome, and the position information of a probe corresponding to each single nucleotide polymorphism variation site in a watermelon reference genome is shown in a table 3 in the specification. Single nucleotide polymorphism variation sites involved in the liquid phase breeding chip provided by the invention have the advantages of high polymorphism, good repeatability, stable and reliable marking, convenient statistics and the like, and a DNA fingerprint database for identifying the authenticity of watermelon varieties can be established based on the liquid phase breeding chip. The method can be used for authenticity of watermelon varieties, early breeding and identification of the watermelon varieties and identification of watermelon seed resources, provides technical support for enrichment of watermelon germplasm resources, breeding of new varieties and protection of the new varieties, and has a wide application prospect.

The invention discloses a nano mimetic enzyme as well as a preparation method and application thereof. The nano-mimic is of a nano-cloud structure formed by stacking irregular spheres and rods, and the nano-cloud structure is a one-dimensional, two-dimensional or three-dimensional system. The preparation method of the nano mimic enzyme comprises the following steps: 1) dissolving a copper salt and a manganese salt in deionized water to obtain a mixed solution; 2) adding hydrogen peroxide into the mixed solution to obtain a Cu < 2 + > / Mn < 3 + > mixed solution A; 3) adding the alkaline solution B into the Cu < 2 + > / Mn < 3 + > mixed solution A, stirring and mixing to obtain a mixed brown turbid solution, and standing and aging; and (4) precipitating and separating the aged turbid liquid in the step (3), cleaning, drying and grinding to obtain the nano mimic enzyme. The nano mimetic enzyme suspension is applied to watermelon seed priming. The nano enzyme mimetic suspension disclosed by the invention is applied to preparation of antibacterial drugs. The nano mimic enzyme can promote seed germination and growth, and has a remarkable inhibition effect on watermelon bacterial germs, namely fruit blotch germs or watermelon fungal germs, namely wilt germs.

The invention discloses a seed melon dibbler which comprises a dibbler shaft (14) and a seed metering box (18), a shell (16), a seed taking plate and a seed metering cam (9) are arranged on the dibbler shaft (14) in a sleeving mode, the seed taking plate can rotate on the dibbler shaft (14), the shell (16) and the seed metering cam (9) are fixed, a seed discharging pipe (13) is arranged on the shell (16) on one side, the seed taking plate is an annular plate-shaped body, and the seed metering cam (9) is arranged on the other side of the shell (16). A seed chamber (20) is arranged on one side of the seed taking plate, a release plate placing groove is formed in the plate surface of the seed taking plate on the other side of the seed taking plate, a slotted hole (21) is formed in the position, close to the outer edge, of the seed taking plate, a seed taking nest (2) is formed in the position, on the outer edge of the slotted hole (21), of the seed taking plate, the nest core of the seed taking nest (2) faces the circle center direction of the seed taking plate, and a release plate is arranged in the release plate placing groove (6). A seed taking space is formed between the seed taking nest and the release plate (7), and the seed metering box (18) is arranged on one side of the release plate of the slotted hole.

The utility model discloses a watermelon seed cultivation box which comprises a box body, spray pipes distributed up and down are rotatably connected in the box body, the outer walls of the bottoms of the spray pipes are connected with nozzles evenly distributed through threads, a connecting shaft at one end of each spray pipe extends to the outside of the box body and is fixedly provided with a gear, and the outer wall of one side of the box body is slidably connected with a rack. A motor is fixed to the outer wall of the top of the box body, a rotating disc is fixed to an output shaft of the motor, a connecting column is fixed to the outer wall of one side of the rotating disc, and a connecting rope is hinged between the connecting column and the rack. According to the watermelon seed water supplementing device, the motor drives the rotating disc to rotate, the rotating disc pulls the rack through the connecting rope, then the rack drives the gear and the spraying pipe to shake, the area of water mist sprayed by the nozzle is increased, and watermelon seeds in the tray are more uniform during water supplementing.

The invention discloses application of 3-hydroxydecanoic acid in promoting growth of watermelon seedlings and enhancing resistance. According to the method, 3-hydroxydecanoic acid solutions with different concentrations are adopted, and watermelon seeds or watermelon seedlings are treated through seed soaking, root application and foliage spraying methods. Practice shows that after the 3-hydroxydecanoic acid biostimulant is applied, the germination performance of watermelon seeds and the growth and development of watermelon seedlings are remarkably improved, and root development, overground part form construction and physiological function improvement of the watermelon seedlings are promoted. Results show that the method provided by the invention not only effectively promotes the growth of the watermelon seedlings, but also enhances the resistance of the watermelon seedlings, and provides a new thought for developing a novel biostimulant capable of promoting the growth, enhancing the stress resistance and improving the quality.

The utility model relates to the field of seed processing, and discloses a watermelon seed drying device which comprises a drying box, a plurality of supporting rods are fixedly connected to the two inner side walls of the drying box, a supporting plate is connected between every two opposite supporting rods in a clamped mode, and a containing box is fixedly connected to the upper surface of each supporting plate; a plurality of moving plates are slidably connected to the inner wall of the drying box, rotating columns are rotatably connected to the lower surfaces of the moving plates, the moving plates are rotatably connected with turnover devices through the rotating columns, spraying plates are fixedly connected to the inner side wall of the drying box, and an air heater is fixedly connected to the side surface of the drying box. A conveying pipe is fixedly connected to the upper surface of the air heater, and the output end of the conveying pipe penetrates through the drying box and then is fixedly connected to the side surface of a driving spraying plate; according to the watermelon seed drying device, watermelon seed rows can be automatically turned over in the drying process, uneven heating of seeds is avoided, and the drying uniformity is improved.

The utility model belongs to the technical field of watermelon seedling raising, and particularly relates to a watermelon seedling seed soaking box which comprises a seed soaking box body, a heat conduction inner box and a heat preservation outer box, warm water is placed in the heat conduction inner box, and the heat preservation outer box is arranged outside the heat conduction inner box. The heating pipe is arranged between the heat conduction inner box and the heat preservation outer box and located below a bottom plate of the heat conduction inner box; the supporting net comprises a concave net plate and a frame, protrusions are arranged on the inner wall of the heat conduction inner box, the frame is clamped by the protrusions, and watermelon seeds are placed in the concave net plate; the oxygen adding device comprises a fan and a breather pipe, the fan is installed outside the heat preservation outer box, and the breather pipe is inserted into the liquid in the heat conduction inner box; watermelon seeds can be placed through the supporting net which can be arranged in the box in a suspended mode, and the seeds are prevented from making direct contact with the high-temperature box wall or a heater.

This invention provides a traditional Chinese medicine composition and its application, belonging to the field of biomedical technology. The traditional Chinese medicine composition includes chicory, Tian Shan violet, fennel, rhubarb, dodder seed, chicory seed, ox tongue grass, cucumber seed, watermelon seed, rose petals, and mare's milk raisins. This composition is a targeted, dialectical formula for clearing the liver and promoting bile secretion. Its core advantage lies in its precise alignment with the physical characteristics of people in southern Xinjiang. Through the clever combination of four distinctive ingredients—cucumber seed, watermelon seed, rose petals, and mare's milk raisins—it achieves a high degree of compatibility between efficacy and constitution. This composition adheres to the core efficacy of clearing the liver and promoting bile secretion while also addressing the needs of people in southern Xinjiang for moisturizing, regulating qi, and protecting the spleen and stomach. This precise match between efficacy and constitution makes it a high-quality formula suitable for the people of southern Xinjiang and highly practical.

The present invention discloses the role and application of the ClAIP1 gene in regulating male sterility in watermelon, belonging to the technical field of watermelon molecular breeding. This invention discloses for the first time the function of the ClAIP1 gene in regulating male sterility in watermelon. Transgenic plants were obtained by knocking out the gene using the CRISPR / Cas9 method. The anthers of the male flowers of the transgenic plants were significantly degenerated, with no visible pollen production or shedding. The female flowers and vegetative organs showed no significant changes compared to wild-type plants, resulting in completely male-sterile germplasm. The provided ClAIP1-knockout transgenic plants / mutants are novel male-sterile watermelon mutants, with normal female flowers and vegetative organs. These mutants can be used as new male-sterile watermelon germplasm, contributing to simplifying the watermelon seed production / variety selection process, shortening the seed production / breeding period, improving hybrid purity, and reducing seed production / breeding costs. The invention has significant production and application potential.

The invention provides a high-throughput sorting system for watermelon seed purity. The high-throughput sorting system comprises a rack, an analysis control mechanism, a feeding mechanism, a near-infrared spectrum collecting mechanism and a sorting and seed collecting mechanism, wherein the feeding mechanism, the near-infrared spectrum collecting mechanism and the sorting and seed collecting mechanism are arranged on the rack; the feeding mechanism is used for conveying to-be-detected seeds to the near-infrared spectrum acquisition mechanism in a branching manner, the near-infrared spectrum acquisition mechanism is used for acquiring diffuse reflection spectrum data of the seeds in a full-surrounding light environment and transmitting the diffuse reflection spectrum data to the analysis control mechanism, and the analysis control mechanism analyzes information of single seeds according to the received data and classifies the single seeds; the sorting and seed collecting mechanism sorts the seeds according to the classification of the analysis control mechanism and collects the seeds into corresponding seed collecting trays; the invention provides a watermelon seed genotype sorting scheme which is nondestructive, high in throughput and high in precision, the seeds conforming to the target genotype are sorted out by automatically collecting and extracting phenotype data and characteristics of watermelon seeds and constructing a model to analyze the genotype, and the seed purity detection and sorting precision and efficiency are high.

The utility model relates to the technical field of food processing, in particular to a storage device for watermelon seed kernel production, which comprises a box body and further comprises a mounting frame arranged on the inner wall of the box body, the inner wall of the mounting frame is connected with a supporting plate in a sliding manner, and a storage box for storing watermelon seed kernels is arranged at the top of the supporting plate; the guide block is pulled to slide in the guide rail through movement of the guide rail, the connecting plate and the mounting frame are driven to rotate, watermelon seeds in the storage box can be conveniently poured out subsequently, the watermelon seeds can be conveniently taken out for processing subsequently, and the problem that subsequent processing efficiency is affected by pipeline discharging is solved; the inside of the box body is refrigerated through the air outlet pipe and the air outlet covers, the problem that the watermelon seed kernels go bad or generate bad flavor due to the high temperature is solved, the multiple sets of air outlet covers are arranged, the effect of refrigerating the inside of the box body at different heights is achieved, and the temperature uniformity in the box body is guaranteed.

The utility model relates to the technical field of food processing, in particular to a dust removal feeding device of a color sorter for watermelon seed kernels, which comprises a support and further comprises a support frame arranged on one side of the support, the top of the support frame is fixedly connected with a storage box, a blanking frame is mounted on the top of the storage box, a guide frame is mounted on the top of the blanking frame, and a dust removal device is mounted on the guide frame. The filter screen can be conveniently detached by arranging the detaching mechanism, dust and impurities can be gradually accumulated in the use process of the filter screen, the filter screen can be ensured to continuously and efficiently operate by regularly detaching and cleaning the filter screen, blockage and reduction of dust removal efficiency are prevented, meanwhile, the filter screen convenient to detach is also convenient to carry out necessary inspection and maintenance, and the service life of the filter screen is prolonged. The service life of the equipment is prolonged, and the filter screens of different specifications or materials can be replaced by a user according to actual requirements through the filter screens convenient to disassemble so as to adapt to changes of different materials or production requirements.

The utility model relates to a special culture device for watermelon planting, which is characterized in that hollow frames are vertically and fixedly mounted in the middles of the two ends of the outer side of a box body, sliding plates are slidably mounted on the surfaces of the two ends of the outer side of each hollow frame, a containing frame is slidably mounted in the box body, a lifting mechanism is arranged in each hollow frame, and the lifting mechanisms are in transmission connection with the sliding plates; driven mechanisms are arranged on the two sides of the interior of the box body, a transmission frame is fixedly installed on the outer side of each sliding plate, a connecting plate is fixedly installed between the bottoms of every two sets of transmission frames, a transmission mechanism is arranged on the side edge of each connecting plate, and the transmission mechanisms are in transmission connection with the outer side of the containing frame; according to the watermelon seed collecting device, watermelon seeds in the containing frame can roll and gather together under the action of the gravity of the watermelon seeds, so that an operator can conveniently move and collect the watermelon seeds, and meanwhile, damage to the skin of the watermelon seeds caused by excessive contact between the watermelon seeds and a germination accelerating agent when the watermelon seeds are moved is avoided.

This invention provides a method and apparatus for extracting watermelon seeds, relating to the field of agricultural technology. The watermelon seed extraction apparatus includes a peeling box, a first conveyor belt assembly, a first centrifuge, a second conveyor belt assembly, a second centrifuge, a third conveyor belt assembly, and a fourth conveyor belt assembly. In this invention, the watermelon is enveloped by two sets of relatively rotating segments within the peeling box, causing the watermelon to rotate randomly. During this rotation, the watermelon continuously contacts the inner wall of the segments, allowing the peel to be quickly removed by the peeling blade. This avoids the problem of watermelon peel mixing in and being difficult to separate during the subsequent seed extraction process. The peeled pulp is then cut by a cutting blade during transport and further centrifuged and pressed by the first centrifuge, avoiding the presence of large pieces of pulp and greatly improving the separation efficiency of the second centrifuge. The pulp, juice, and seeds are thoroughly separated, resulting in excellent separation performance.

The utility model belongs to the technical field of watermelon cultivation, and particularly relates to a watermelon seed germination device which comprises a device body, the device body comprises a controller and a germination box, a partition plate is arranged in the germination box, a germination accelerating cavity is formed in the upper portion of the partition plate, and a soaking cavity is formed in the lower portion of the partition plate; a temperature control unit, a humidity control unit and an illumination unit are arranged in the germination accelerating cavity, a supporting column is arranged in the middle of the germination accelerating cavity, fixing substrates are arranged on the two sides of the supporting column, a germination accelerating assembly is arranged above the fixing substrates, and the germination accelerating assembly comprises a germination accelerating disc, a first felt pad and a second felt pad; a soaking tank and a soaking disc are arranged in the soaking cavity, the soaking disc is connected with the lifting assembly, and a stirring assembly is arranged at the bottom of the soaking tank; the watermelon seed germination device is simple in structure, seed soaking and germination accelerating of seeds are integrated in one device, intelligent operation of seed soaking, constant temperature and humidity, liquid medicine mixing and germination accelerating is achieved under the control of the controller, the working intensity is greatly reduced, and the germination efficiency of the seeds is effectively improved.

1. Name of the product in this design: Watermelon Spoon (Duck). 2. Purpose of this design: for scooping out watermelons and picking out watermelon seeds. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a liver-protecting traditional Chinese medicine composition as well as a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines. The liver-protecting traditional Chinese medicine composition comprises a traditional Chinese medicine aqueous extract and fruit vinegar, and the traditional Chinese medicine comprises the following components in parts by weight: 2-10 parts of cichorium glandulosum seeds, 10-20 parts of fennel, 2-10 parts of celery seeds, 2-10 parts of white rapeseeds, 2-10 parts of melon seeds, 2-10 parts of watermelon seeds, 2-10 parts of cucumber seeds, 2-10 parts of purslane seeds and 10-20 parts of cichorium glandulosum roots. The traditional Chinese medicine composition disclosed by the invention can intervene in liver injury through a multi-target and multi-channel synergistic effect, and has good anti-hepatitis and anti-hepatic fibrosis effects.

The utility model discloses a watermelon seed cleaning device which comprises a fixed plate, a movable plate and an up-down air cylinder. The fixed plate is of a plate-shaped structure, a plurality of vertical up-and-down air cylinders are fixed below the fixed plate, a moving plate of a plate-shaped structure is fixed below the telescopic ends of the up-and-down air cylinders, the two sides of the moving plate are each fixedly provided with a set of clamping air cylinders through a clamping frame, and the end of a telescopic rod of each clamping air cylinder is fixedly provided with a clamping block; a clamping block is arranged in the clamping cylinder, a convex clamping edge is arranged on the upper edge of the clamping cylinder, a clamping groove for embedding the clamping edge is formed in the clamping block, an outer embedded block of a block structure is fixedly embedded in a telescopic rod of each group of clamping cylinder, and a vibration motor is fixed below the outer embedded block; the watermelon seed cleaning device has the beneficial effects that cleaning is performed without depending on stirring blades, and damage to watermelon seed epidermis can be greatly reduced.

A watermelon seed stirring and cleaning device comprises a cleaning barrel fixedly arranged on a platform, the bottom of the cleaning barrel is communicated with a discharging pipe and a water discharging pipe, the upper end of the discharging pipe is connected with a cleaning basket arranged in the cleaning barrel, a discharging valve is installed at the bottom of the discharging pipe, a stirring shaft is arranged in the cleaning basket, a stirring paddle is fixedly connected to the stirring shaft, and the stirring paddle is connected with the discharging pipe. And the upper end of the stirring shaft is in transmission connection with a fixedly arranged gear motor. The watermelon seed cleaning device is used for solving the problem that the cleaning efficiency is influenced as a cleaning basket and a stirrer need to be lifted in and out in the existing watermelon seed cleaning process.

The invention relates to a watermelon seed vigor grade classification method based on terahertz transmission and reflection imaging data fusion. The method comprises the following steps: firstly, performing artificial accelerated aging treatment on watermelon seeds under high-temperature and high-humidity conditions to obtain samples with different activity grades; then, a terahertz time-domain spectral imaging system is used for collecting transmission and reflection signals respectively, the transmission signals are subjected to color threshold segmentation to extract an embryo region, and the reflection signals are subjected to Canny edge detection and contour screening to extract a surface region; and after the obtained signal is subjected to smooth filtering and deconvolution processing, first-order derivative difference enhancement is further introduced, and a fusion spectrum is constructed by adopting a weighted fusion strategy. The fusion spectrum is subjected to weight distribution through a frequency attention mechanism and then input to a feature perception convolutional neural network, the network comprises two layers of one-dimensional convolution and nonlinear activation functions and is provided with high, medium and low activity branch classification paths, and finally a classification result of seed activity levels is output.

The utility model relates to the technical field of watermelon seed kernel production and processing, in particular to a watermelon seed kernel cleaning and drying all-in-one machine which comprises a processing shell and a feeding opening formed in the top of the processing shell, and further comprises a cleaning assembly arranged on one side of the processing shell, a heating assembly is installed on the top of the processing shell, and an inner cavity of the processing shell is rotationally connected with a spraying pipe. A material guide plate is mounted in an inner cavity of the processing shell; under the cooperation of the stepping motor and the vibration mechanism, the moving rod can drive watermelon seed kernel materials to vibrate through the material guide plate, the situation that the materials are distributed unevenly due to accumulation of the cleaned materials is effectively reduced, and therefore the drying effect of the spray head on the materials is improved; and meanwhile, under cooperation of a rotating rod, a bevel gear set and a swing mechanism, a third spur gear can drive a spray pipe to swing in an inner cavity of the machining shell in a reciprocating mode, the hot air spraying area of the spray pipe is increased, and therefore the drying effect of the spray pipe is improved.

The present invention relates to an herbal composition and method for a treatment and management of at least one of hypertension, hyperlipidemia, diabetes mellitus, and associated cardiovascular risk factors. The composition comprises standardized plant extracts derived from Rauvolfia serpentina, Hippophae rhamnoides seed, Citrullus lanatus seed, and Phyllanthus emblica fruit, in approximate weight proportions ranging from 20-40% for Rauvolfia serpentina, 20-40% for Hippophae rhamnoides, 10-30% for Citrullus lanatus, and 10-30% for Phyllanthus emblica. The invention also provides a method of preparing the composition involving harvesting, drying, grinding, extracting with selected solvents, concentrating, optionally fractionating, and formulating into oral dosage forms such as one of capsules, tablets, and powder sachets. The invention further includes methods for administering the composition to a subject in need thereof, optionally as an adjunct to conventional therapy.

The present invention discloses a method for reducing the incidence rate of watermelons under high humidity and high temperature conditions, belonging to the technical field of watermelon cultivation. Before planting watermelons, while applying basal fertilizer, a composite soil conditioner is used to improve the soil; before sowing watermelons, the seeds are first coated and then sown in the improved soil; the composite soil conditioner, by mass fraction, comprises the following components: 100 parts of calcined diatomite, 10-15 parts of perlite, 10-13 parts of bentonite, 8-10 parts of biomass charcoal, 5-8 parts of dried coconut coir, 20-30 parts of decomposed organic matter, and 5-8 parts of a composite microbial inoculum. The present invention effectively improves the adverse effects brought by high humidity and high temperature conditions during the growth process of watermelons and reduces the incidence rate by simultaneously coating watermelon seeds and applying a soil conditioner to the soil, thereby ensuring the yield of watermelons.

The utility model relates to the technical field of seed processing, and discloses watermelon seed continuous kneading equipment which comprises a bottom plate, and a damping mechanism used for damping is installed at the top of the bottom plate; a working mechanism used for working is installed at the top of the damping mechanism and comprises a working box body, a filtering frame is fixedly connected into an inner cavity of the working box body, a filtering plate is slidably connected to the top of the filtering frame, filtering holes are formed in an inner cavity of the filtering plate, and a handle is fixedly connected to the top of the filtering plate. According to the continuous rubbing equipment for the watermelon seeds, through cooperation of the filtering frame and the filtering plate, the filtering plate can block impurities in sewage, and the problem that a drainage pipeline is blocked is avoided. And after sewage is discharged, the handle is held to move, the filter plate can be dragged out of the inner cavity of the filter frame, a worker can conveniently clean the filter plate, and the situation that the conveying pipe is blocked due to gathering of impurities and sludge is prevented.

The utility model provides watermelon seed cleaning and sorting equipment, and relates to the technical field of seed cleaning, the watermelon seed cleaning and sorting equipment comprises a placing table, a soaking tank is fixed on the surface of the placing table in a penetrating manner, the lower end of the soaking tank is provided with a liquid discharge pipe orifice, and the surface of the liquid discharge pipe orifice is fixedly provided with a valve; a first electric telescopic rod is fixed to the outer surface of the soaking tank, and after watermelon seeds in the sorting frame are soaked and cleaned in saline water in the soaking tank, the first electric telescopic rod extends to move the sorting frame upwards, so that the watermelon seeds are not soaked in the saline water; and then two second electric telescopic rods are controlled to stretch and retract back and forth to drive a connecting arm and a sorting frame to shake left and right, the wizened and fine inferior seeds are screened out and fall off from the sorting frame, and therefore the high-quality seeds with full particles are sorted out from the sorting frame, manual screening is not needed, and simplicity and rapidness are achieved.

The invention relates to the technical field of agricultural application, in particular to a method for promoting watermelon seed germination under a high-temperature stress condition. The invention discloses a method for promoting germination of watermelon seeds under a high-temperature stress condition. The method comprises the following steps: (1) soaking disinfected watermelon seeds in a nanoscale magnesium oxide solution; (2) wrapping the soaked watermelon seeds with wet cloth, and then accelerating germination. The invention provides an effective technical means for solving the problems of low seed germination rate, uneven seedling emergence and the like in watermelon seedling culture in the high-temperature area, is beneficial to guaranteeing the stability and economic benefit of watermelon production, and has positive significance for promoting agricultural sustainable development.

The invention belongs to the technical field of vegetable cultivation, and particularly relates to a sulfur-based fertilization method for promoting watermelon growth and improving quality and application. The fertilization method comprises the following steps: mixing peat, vermiculite and perlite according to a volume ratio of 3: 1: 1 to prepare a seedling culture substrate, adding sulfur powder, uniformly mixing, adjusting the water content to 55-65%, using the substrate as a base fertilizer, standing for 10 days, sowing watermelon seeds after germination acceleration, and carrying out seedling culture; when the watermelon seedlings grow to a one-leaf and one-core period, topdressing is started; the topdressing is a normal-sulfur Hoagland nutrient solution or a low-sulfur Hoagland nutrient solution, the topdressing is applied once every two days, the dosage of each time is 50 mL / plant, and the topdressing is continuously applied to the early stage of watermelon vine growing; and performing conventional pruning, pollination and fruit thinning management in and after the watermelon vine growing period until fruits are mature. The fertilizing method can promote plant growth, enhance oxidation resistance, and significantly improve watermelon fruit quality.

The present invention provides novel watermelon line 54WA028 and plant parts, seed, and tissue culture therefrom. The invention also provides methods for producing a watermelon plant by crossing the watermelon plants of the invention with themselves or another watermelon plant. The invention also provides watermelon plants produced from such a crossing as well as plant parts, seed, and tissue culture therefrom. Further provided are methods of producing triploid watermelon seed and plants and seedless watermelon fruit produced therefrom as well as the triploid watermelon seed and plants and the seedless fruits produced by such methods.