236 results about "Sprouting" patented technology

The present invention provides a construction method suitable for vegetation restoration of a bare rock slope, characterized by comprising the following steps: S1, preparation of a treatment area: before actual construction, preparing an area to be treated using a combination of mechanical and manual means; S2: providing a plant vine climbing net; S3: anchor rod construction: implementing on a rock slope surface with an inclination greater than 75°, wherein the slope surface should be drilled from top to bottom, the depth of the drilling is determined according to properties of the rock, a self-spinning resin anchor rod is fixed in a drilled hole on the slope surface with cement slurry, leaving a small part for hanging a galvanized gabion multidimensional mesh cage; S4: building a plant growth chamber, a gabion retaining wall and a construction system apparatus; S5: filling a matrix; S6: vegetation arrangement: selected dominant plant species must be drought-tolerant, barren-tolerant and fast-growing, and have strong sprouting ability and coverage capacity. The present invention integrates slope protection, intelligent water collection, water storage and drip irrigation apparatuses, matrix improvement, and vegetation arrangement, thereby ensuring the effectiveness of the restoration.

The invention discloses a fresh rice seed pre-harvest sprouting resistant OsRDR3 gene and an InDel marker and application thereof, the fresh rice seed pre-harvest sprouting resistant OsRDR3 gene is obtained through a map-based cloning method, and the rice pre-harvest sprouting rate is increased due to deletion of the gene. An inner primer ZIRDR3 of the gene OsRDR3 is designed to be used for rice pre-harvest sprouting resistant molecular marker-assisted selection, the pre-harvest sprouting resistant gene OsRDR3 is successfully introduced into a pre-harvest sprouting susceptible variety wild Xiangxiang B, and the pre-harvest sprouting rate of the variety is extremely remarkably reduced.

The invention discloses a wheat whole genome liquid phase chip and application thereof. The liquid-phase chip has 175 foreground detection sites and 4, 350 background detection sites, the foreground detection sites comprise genes / QTL related to characters such as gibberellic disease resistance, rust disease resistance, powdery mildew resistance, yield, plant height, quality, grain development and pre-harvest sprouting resistance, and genotypes of multiple different functional sites can be subjected to molecular detection at the same time; the background detection site is suitable for genetic background screening and evaluation of wheat germplasm resources, construction of linkage genetic maps, QTL positioning and other researches.

The invention discloses application of an upstream non-coding region uORF of an ABA2 gene in regulation and control of crop agronomic traits, in particular to application in improvement of pre-harvest sprouting resistance of rice and cultivation of pre-harvest sprouting resistant rice strains, and belongs to the technical field of gene engineering. The invention finds that uORF in the upstream non-coding region of the crop ABA2 gene can inhibit the translation level of downstream ABA2 protein on the basis of not influencing the transcriptional level, so that the uORF can participate in regulation and control of crop agronomic traits in which ABA participates in regulation and control, such as improvement of pre-harvest sprouting resistance of rice. Therefore, the upstream non-coding region uORF of the crop ABA2 gene can be modified through a hybridization or gene editing technology, so that the purpose of regulating and controlling crop agronomic traits in which ABA participates in regulation and control is achieved, for example, site-directed mutagenesis is performed on an initiation codon of the upstream non-coding region uORF of the rice ABA2 gene, and the pre-harvest sprouting resistance of rice is improved.

Herein provided is a new potato variety designated ‘UNR-01’ as well as the tubers, seeds, plants, plant parts, and derivatives of the new potato variety ‘UNR-01’. This transgenic variety was generated using CRISPR-Cas9 and deleting a portion of the StMYB93 (PGSC0003DMG400006408) gene. This transgenic variety has a sprout suppressed phenotype that results in a longer storage life in cold storage conditions without the application of sprout-inhibiting chemicals. These potatoes were not impacted in reduced sugar levels, wound healing capacities, and native periderm suberin content. Also provided are tissue cultures of the new potato variety ‘UNR-01’ and the plants regenerated therefrom. Methods for producing potato plants by crossing the new potato variety ‘UNR-01’ with itself or another potato variety and plants produced by such methods are also provided. ‘UNR-01’ potatoes exhibit suppressed sprouting and longer storage life in cold storage conditions without the application of sprout-inhibiting chemicals.

The invention provides a method for mixing germinated Chinese fir forests and broad-leaved trees, and belongs to the technical field of forest management. The invention provides a method for mixing sprouted cedarwood forests and broad-leaved trees, which comprises the following steps: selecting local suitable evergreen broad-leaved trees for complementary planting according to the principle of suitable trees and mutualism of organisms to form mixed forests, improving forest stand structures, restoring biodiversity, promoting and improving ecological system structures and function restoration, promoting sustainable management of forests, and improving the survival rate of the forests. The method has scientificity, operability and demonstratability, and obtains economic benefits which can be accepted by forests and farmers.

The present application discloses a garlic seed sprouting correction method based on a multimodal learning network, which relates to the field of garlic sowing technology, including: capturing dynamic video frames of garlic seeds before sprouting through an image acquisition device; characterizing and identifying the garlic seeds in the dynamic video frames and judging the orientation of the garlic seed bulbs through a multimodal learning fusion network that integrates knowledge graphs and computer vision; controlling a sprout correction device to correct the sprouts of the garlic seeds based on the judged orientation of the garlic seed bulbs, ensuring that the garlic seeds can stand upright in the soil with the bulbs upward when mechanically inserted. The captured dynamic video frames of the garlic seeds are judged through a multimodal learning fusion network to judge the orientation of the garlic seed bulbs, and finally, the orientation of the garlic seeds is adjusted using the sprout correction device based on the judgment result, ensuring that the garlic seeds can stand upright in the soil with the bulbs upward.

The invention discloses a germination accelerating method for improving the germination rate of bottle gourds, which comprises the following steps: seed selection, seed drying treatment, warm soup disinfection, seed soaking and germination accelerating management: putting seeds into a germination accelerating box, reserving a small opening of 3-4cm in the top of the box, taking out the seeds every 8 hours, soaking the seeds into warm water, and gently scrubbing the seeds until the seeds are white. According to the germination accelerating method for improving the bottle gourd germination rate, the germination accelerating time is remarkably shortened, the germination accelerating time is stably controlled to be 50-65 hours when 70-90 hours are needed in the traditional method, the time is saved by about 20%-40%, the sowing time is seized in advance, the growth cycle is prolonged, and the bottle gourds can come into the market to obtain the price advantage or accumulate more photosynthetic products to improve the yield. Through seed drying and fine temperature and humidity management and control, the synchronism of the seed germination process is high, the germination interval is shortened to be within several hours, the seedlings are neat, unified field management is facilitated, the seedlings grow evenly and robustly, the stress resistance is high, and a foundation is laid for high and stable yield.

The invention discloses an agricultural planting seed sprouting device, and relates to the technical field of seed cultivation devices.The agricultural planting seed sprouting device comprises a cultivation box, a lifting assembly is fixedly connected to one side of the interior of the cultivation box, a lifting plate is fixedly connected to the top end of the lifting assembly, and the lifting plate is slidably connected to the interior of the cultivation box; a transmission assembly is arranged between the lifting assembly and the lifting plate. By adopting the structure, the transmission block drives the second connecting block to move, and the second connecting block pushes the transmission rod to rotate in the first connecting block, so that the first connecting block drives the lifting plate to move, and the lifting rod slides in the fixed seat, that is, the lifting plate drives the placing barrel to move upwards, and the distance between seeds in the placing barrel and an illumination lamp and a spraying head is adjusted; the method can ensure that different types of seeds in different growth stages can obtain light intensity and water supply most suitable for the growth of the seeds, so that the healthy development of the seeds is promoted, and the growth speed and the overall health condition of seedlings are improved.

The invention discloses a bud-stage cold resistance evaluation system for japonica rice, which relates to the technical field of plant physiology, and has the technical key points that in recent years, predecessors carry out rice cold resistance identification, but the identification is only limited to variety screening and identification, and a relatively systematic system is lacked; according to the method, 98 parts of Xinjiang bred variety resources and internally introduced varieties are used as test materials, through a weighted membership function method, principal component analysis and clustering analysis, rapid, simple, convenient and efficient Xinjiang japonica rice sprouting period cold tolerance identification and evaluation indexes are constructed, japonica rice germplasm resources with high cold tolerance are screened, and the cold tolerance of the Xinjiang japonica rice sprouting period cold tolerance identification and evaluation indexes is evaluated. A set of rapid and effective bud-stage cold resistance evaluation system is established so as to provide theoretical support for evaluation, utilization and breeding improvement of japonica rice germplasm resources.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker of a rice pre-harvest sprouting related gene SD6 and application of the SNP molecular marker. The polymorphism of the molecular marker is C or T. The molecular marker and the rice pre-harvest sprouting phenotype are co-separated, the rice pre-harvest sprouting gene SD6 can be quickly and accurately classified by utilizing the molecular marker and combining a KASP technology, the pre-harvest sprouting ability of a plant is judged in the rice seedling stage, the breeding cost is reduced, and the breeding efficiency is improved; according to the method, tedious procedures such as enzyme digestion, electrophoresis and sequencing are not needed in the detection process, and efficient and environment-friendly application of the SD6 gene to commercial molecular breeding of rice is facilitated.

The invention belongs to the field of application of postharvest preservation of potatoes, and particularly relates to a method for inhibiting greening and germination of postharvest potatoes and application of the postharvest potatoes, and the method comprises the following steps: screening, warming, cleaning, disinfecting, soaking and airing the potatoes, and then carrying out shelf life test; wherein the soaking is performed by adopting a calcium chloride solution; the shelf life test is illumination or non-illumination treatment. Research finds that after the potatoes are harvested, the potatoes in the non-dormancy period are soaked for 20 minutes by adopting a 0.8 wt% calcium chloride solution, and the potatoes in the dormancy period are soaked for 5 minutes by adopting a 0.6 wt% calcium chloride solution, so that the greening inhibition and the bud inhibition of the potatoes after the harvesting can be simply and effectively realized, and important reference is provided for further exploration of a greening inhibitor and a bud inhibitor of the harvested fruits and vegetables.

The invention provides a cultivation method for improving the yield and quality of pea tips by means of photoperiod and boron coordinated regulation and control. The cultivation method comprises the following steps that S1, pea seeds are disinfected and aeroponically cultivated; s2, pea sprouting seeds with the root length of 2-6 cm are selected and further cultured; meanwhile, in the culture process, a basic nutrient solution comprises the following components: 2.5 mM of Ca (NO3) 2.4 H2O, 1 mM of KH2PO4, 1 mM of KCl, 2 mM of MgSO4. 7H2O, 2.0 mM of K2SO4, 50 [mu] M of FeSO4. 7H2O, 50 [mu] M of EDTA.Na2, 2 [mu] M of MnCl2, 4 [mu] M of ZnSO4. 7H2O, 0.5 [mu] M of CuSO4. 5H2O, 1 [mu] M of (NH4) 6Mo7O24. 4H2O, 25-50 [mu] M of H3BO3 and 1 [mu] M of KI; nutrient elements are applied according to the following steps: (1) a first nutrient solution is adopted in 1-3 days, and the concentration of all components in the first nutrient solution is 10-15% of that of a basic nutrient solution; (2) after 4-8 days, adopting a second nutrient solution, wherein the concentration of all components in the second nutrient solution is 28-38% of that of the basic nutrient solution; and (3) adopting a third nutrient solution in 9-15 days, wherein the concentration of all components in the third nutrient solution is 90-100% of that of the basic nutrient solution. The cultivation method can effectively improve the yield and quality of the pea tips.

The invention discloses a planting method for broadcast sowing of sprouting vegetables, which comprises the following steps: (1) removing bad sprouting vegetable seeds, and soaking the seeds; (2) sowing seeds on the seedling raising paper of the seedling raising tray; (3) putting the seeds into a first frame body and then pushing the first frame body into a greenhouse; (4) watering after the seedling raising paper is dried in two consecutive days later, and then putting the watered seedling raising tray into a shading second frame body; and (5) putting water on the fourth day, scooping the water into the second frame body by using a water ladle, paying attention to the water level, putting into a cultivation workshop, and harvesting after 5-6 days. According to the method, the planting technology of the sprouting vegetables is optimized, the hydroponic planting broadcast sowing technology is adopted, the yield and quality of the vegetables can be improved, and healthier, safer and more delicious vegetable products can be provided for consumers.

The invention discloses an effect of OsCPK18 in inhibition of pre-harvest germination of rice. According to the invention, the Zhonghua 11 is taken as the background, and two mutant plants, namely, KO-OsCPK18 # 1 and KO-OsCPK18 # 2, with OsCPK18 gene function defect mutation are obtained through transgenosis; in a seed germination experiment, it is found that seed germination of the OsCPK18 mutant material is delayed, and the final germination rate is not affected; a pre-harvest sprouting simulation experiment is carried out in a high-temperature and high-humidity environment arranged in an incubator, and the pre-harvest sprouting resistance of the OsCPK18 mutant material is found to be remarkably higher than that of a wild type. The results show that the OsCPK18 gene under the background of ZH11 has important significance on crop breeding, the invention provides a method for improving the pre-harvest sprouting resistance of rice, and the cultivation process of a new pre-harvest sprouting resistant rice variety can be accelerated.

This invention relates to the field of rubber tree cultivation technology and discloses a method for cultivating rubber tree buds based on scale buds. The method includes: planting rubber tree bud-grafted seedlings in a propagation nursery, controlling soil moisture and applying compound fertilizer to the roots to cultivate them into single-stem buds; when the top leaves are stable and mature but the leaflets at the growing point have not yet unfolded, removing the top of the second leaf foliage below the top leaves; after removing the top, using a shade net to provide shade during specific periods on sunny days; regularly spraying a bud-promoting fertilizer containing potassium dihydrogen phosphate and urea during the aging period of the top leaves; stopping the application of compound fertilizer to the roots and spraying a bud-strengthening fertilizer containing potassium dihydrogen phosphate before cutting the buds; after sawing the trunk and cutting the buds, applying a base fertilizer containing well-rotted organic fertilizer and calcium magnesium phosphate, and repeating the topping process. By removing the top at specific times, combined with shading and phased nutrient regulation, this invention promotes uniform bud sprouting, improves the lignification of the buds, and replenishes the tree's nutrient consumption in a timely manner, ensuring the continuous propagation capacity of the propagation nursery.

The invention discloses an application of a rice B3 transcription factor family gene LOCOs01g67830 and an encoding protein thereof in regulation and control of pre-harvest germination of rice. The invention further discloses a method for regulating and controlling pre-harvest germination of rice. The invention finds that the editing of the gene affects the pre-harvest germination condition of rice by evaluating the agronomic traits of the rice for editing LOCOs01g67830 created by a CRISPR / Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats / Cas9) technology. The gene and the operation technology provided by the invention have an obvious effect in the aspect of regulating and controlling rice pre-harvest sprouting, and have extremely high application value. Experiments prove that the mutation of the LOCOs01g67830 can cause increase of the pre-harvest germination phenomenon, so that the gene LOCOs01g67830 is a rice pre-harvest germination regulation gene, a new candidate gene is provided for research on rice pre-harvest germination, and the gene has very important application value in the aspects of improving the rice yield and promoting agricultural production.

A method for rapidly restoring Phragmites australis population in degraded land through stolon domestication is provided, including the following steps: at the beginning of the Phragmites australis growing season from May to June every year, the Phragmites australis is made to crawl by draining water and artificially crushing the aboveground stems, and then the sprouting of stolon internode buds or root buds is promoted by continuously controlling water; in mid-July, suitable stolons containing internode buds or root buds are selected, and the root segments are dug from the base, and the stolons are wound in a circle in the extension direction and fixed, and sprayed with water to keep moisture; the fixed stolons are unfolded and transplanted into degraded land for daily water and fertilizer management.

The invention relates to a composition and a medicament for inhibiting sprouting of wheat ears and application of the composition and the medicament, and belongs to the technical field of plant growth regulators. Experiments prove that when prohexadione calcium or ethephon is combined with S-abscisic acid for use, the effect of the composition is obviously superior to that of single use of S-abscisic acid, and the drug effect lasts for a longer time. It is proved for the first time that a synergistic effect exists between prohexadione calcium or ethephon and S-abscisic acid, the drug effect can be better achieved, and meanwhile the use amount of S-abscisic acid is remarkably reduced. The composition for inhibiting wheat pre-harvest germination provided by the invention effectively overcomes the defects of unstable effect, pesticide residue and the like in the prior art, can improve the effect of singly using S-abscisic acid, and achieves the purposes of controlling pre-harvest germination and not influencing wheat yield.

This invention discloses a method for simultaneous flowering and fruiting of macadamia nuts. First, in September of the current year, pre-harvest fertilizer is applied to the 695 macadamia nut variety before fruit harvest. In October, when the fruit matures, 1 / 5 to 1 / 3 is harvested, with the remaining fruit left on the branches. Post-harvest pruning is carried out in October and November, leaving branches that did not bear fruit unpruned; harvested branches are lightly pruned. From November to March of the following year, the remaining fruit is harvested in batches, leaving no more than 1 / 4 of the fruit, with branch pruning performed simultaneously during harvest. Before flower bud differentiation in November, a flower-promoting fertilizer is sprayed to encourage flower bud differentiation. Around March of the following year, the 695 macadamia nut variety flowers, achieving simultaneous flowering and fruiting, with all remaining fruit harvested. This invention addresses the low natural fruit drop rate of the 695 macadamia nut variety by harvesting a portion of the fruit during the October ripening period, leaving the rest on the branches, and then harvesting in batches according to market conditions to stagger market entry. Simultaneously, the fruit is used to suppress the sprouting of autumn / winter and spring shoots, promote flower bud differentiation, and reduce the workload of post-harvest pruning.

This invention relates to the field of potato sprouting technology, specifically to a potato sprouting planter and planting method. The planter includes: a frame; a potato tuber seed box mounted on the frame; a seed dispensing disc located below the outlet of the potato tuber seed box to receive the tubers inside; the seed dispensing disc intermittently dispensing tubers during its rotational motion; a tilting bucket capable of tilting and tilting, containing a rotating disc and a lifting seed guard bucket located outside the rotating disc; and a planting channel located to the side and below the tilting bucket. This invention achieves automatic adjustment of the bud orientation of the potato tubers during the process of falling from the seed box until planting is completed in the planting channel, through the coordinated operation of the rotating disc and the lifting seed guard bucket. Furthermore, the tilting bucket and planting channel maintain the adjusted posture of the tubers as they fall into the pre-drilled trench, ensuring stable bud orientation.

The application provides a method for creating a strawberry germplasm for controlling weeds and application thereof, and belongs to the technical field of biological breeding. Forest strawberry 'Ruegen' is used as a female parent, and yellow hair strawberry is used as a male parent, F1 generation is obtained by hybridization, F2 generation is obtained by screening selfing of the F1 generation, and the F2 generation is screened to obtain a strain with less flowering, no fruiting, easy to sprout stolon and easy to tiller, which is the strawberry for controlling weeds. The forest strawberry 'Ruegen' with strong resistance and not sprouting stolon is crossbred with the yellow hair strawberry with easy sprouting stolon, the offspring is selected to have easy sprouting stolon, easy tillering and only flowering, and the strain is transplanted and applied to orchards and woodland, so that the growth of weeds can be inhibited.

A bottom sand layer, a seed layer and an upper sand layer are stored through a bottom sand plate, a temperature sensor detects the temperature in a germination promoting chamber in real time, and when the temperature in the germination promoting chamber is abnormal, the temperature in the germination promoting chamber is adjusted through an electric heating plate so that the temperature in the germination promoting chamber can meet the germination promoting standard. The humidity sensor detects the humidity in the sprouting promoting chamber in real time, and when the humidity in the sprouting promoting chamber is abnormal, the humidity of the sand layer is adjusted from the upper portion and the lower portion through the first water spraying part and the second water spraying part respectively, so that the humidity of the sprouting promoting chamber and the humidity of the sand layer meet the sprouting promoting standard. Therefore, the germination promoting efficiency is improved.

The application discloses a kind of planting management methods for improving the yield of machine harvesting and rolling cane field ratoon cane, and relates to the technical field of sugarcane planting.The planting management method comprises the following steps: interplanting leguminous grass, applying microbial inoculant, timely ploughing and interplanting fat field radish.The planting management method can improve the physical and chemical structure of soil.Under the condition of mechanical high pressure, it can increase the ratoon cane sprouting rate, increase the number of effective stems and increase the plant height, thereby achieving the purpose of high yield and stable yield of ratoon cane for many years in succession.Meanwhile, the method is simple to operate, the effect is obvious, and is suitable for promotion.

The invention relates to a method for prolonging the ornamental period of a new shoot of cinnamomum camphora and increasing the linalool content. The method comprises the following steps: after a forest for cinnamomum camphora oil is put into production, spraying 0.50-1.85 mmol.L <-1 > methyl jasmonate once after the overground part of a plant is harvested every year and before shoot extraction in spring; or spraying 0.50-1.85 mmol.L <-1 > methyl jasmonate twice before sprouting in spring in a cinnamomum camphora ornamental forest, a leisure forest or a healthy forest; the method provided by the invention can promote sprouting and leaf expansion, prolong the ornamental period of new shoots of cinnamomum camphora, and improve the relative content of linalool in mature leaves. The spraying amount is 50-100 mL for each plant each time. The growth rate of the yield of branches and leaves of the cinnamomum camphora plants is 13-23%, the relative content of linalool in the branches and leaves of the cinnamomum camphora is increased by 11-22.3%, the sprouting time is advanced by 5-10 days, and the coloring and viewing time of new shoots is prolonged by 5-10 days; not only can the yield of branches and leaves of cinnamomum camphora be increased, but also the coloring viewing period of new shoots is greatly prolonged, and benefits can be improved by attracting and renewing people to keep healthy and leisure.

The present application relates to the technical field of plant tissue culture, and specifically discloses a method for establishing a tissue culture sterile system of peach rootstock dormancy material, which comprises the following steps: S1, selecting one-year-old branches with leaf buds in the dormancy period, removing flower buds and cleaning; S2, performing low-temperature treatment on the branches, then performing water culture and bud breaking to obtain sprouting branches; S3, performing surface sterilization treatment on the sprouting branches, and then washing with sterile water; S4, peeling the sprouting buds from the branches under sterile conditions, removing the external wrapping tissues of the bud bodies, and exposing the internal tender tissues; S5, performing secondary sterilization treatment on the exposed tender tissues, and then washing with sterile water; and S6, inoculating the bud bodies subjected to the secondary sterilization treatment into a culture medium for culture, and establishing a sterile system; according to the above method, in the process of establishing the sterile system of Zhongtao Kangzhen No. 1 material, the sterilization survival rate of 100 bud heads is as high as 80% or more, and the work efficiency and the utilization efficiency of the material are greatly improved.

1. Name of the designed product: sprouting cover. 2. Use of the designed product: cover for seed sprouting and bean sprouting. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The present application relates to the technical field of forest seedling and intelligent agriculture, and specifically discloses an intelligent monitoring and nutrient regulation system for sprouting seedlings of fragrant fruit trees, which calculates the red edge position blue shift deviation by collecting the multispectral image of the crown layer of the sprouting seedlings to identify the phosphorus deficiency phenotype; determines the spatial phosphorus deficiency and obtains the root zone reference conductance value by combining the root zone and surface layer phosphorus concentration spatial comparison detection; determines the irrigation interval according to the difference between the reference conductance value and the critical value of fertilizer damage, and precisely applies high-phosphorus water-soluble fertilizer by using pressure-compensating drippers with low flow; after irrigation, the irrigation time is dynamically shortened and the target conductance value is reduced according to the root zone conductance rise amplitude, and after continuous execution for three days, the irrigation is terminated when the blue shift deviation and the color of the newly grown leaves both meet the recovery conditions; the present application realizes early identification and closed-loop feedback regulation of the spatial phosphorus deficiency of the sprouting seedlings of fragrant fruit trees, avoids fertilizer damage and root rot, and improves the accuracy and safety of nutrient regulation.

The invention provides application of a rice JAZ protein gene OsJAZ12 in pre-harvest sprouting resistance, a nucleotide sequence of the rice JAZ protein gene OsJAZ12 is shown in a sequence table SEQ ID NO.1, an amino acid sequence of the rice JAZ protein gene OsJAZ12 is shown in a sequence table SEQ ID NO.2, the rice JAZ protein gene OsJAZ12 mutant can be applied to rice pre-harvest sprouting resistance, and the possibility of sprouting in the rice seed dormancy period is reduced.

The invention discloses a high-yield cultivation method for northern greenhouse syzygium samarangense, which comprises the following steps: (1) pre-flowering shoot strengthening fertilizer: in the early stage of bud germination of syzygium samarangense, digging a shallow ditch with the depth of 10-15cm in the range of a crown water drip and applying shoot strengthening and flower promoting fertilizer once; (2) accurate nutrition supply in a young fruit period: when young fruits are 2-3mm in size, carrying out first root topdressing; when young fruits are 5-7 mm in size, secondary root topdressing is carried out; (3) regulating and controlling water and nitrogen in a fruit expanding period: when the diameter of the fruit is about 2 / 3 of the size of a mature fruit, stopping supplying the nitrogen fertilizer in all forms; the water content of the soil is controlled to be 50%-60% of the field moisture capacity until one week before harvesting. According to the method, three key links of tip strengthening before flowering, accurate nutrition supply of young fruits and later-stage water and nitrogen regulation and control are organically combined, a complete nutrition management chain is formed, the problem of space-time mismatching of nutrition supply is solved, and collaborative improvement of improving sweetness of the wax apple fruits and reducing cavities is achieved.