195 results about "Rootstock" patented technology

This invention relates to the field of bell pepper seedling transplanting technology, specifically a fully automatic mobile tray-type bell pepper seedling transplanting and planting integrated machine, including a trolley, a machine vision module, a tray handling module, a tray storage module, a tray seedling removal module, a seedling picking module, a planting module, and a soil gathering and irrigation module. In most bell pepper planting processes, manual transplanting is primarily used, where seedlings cultivated in trays are manually transported to the field and then transplanted manually. Some machines rely on manual tray handling, using mechanical claws to directly grasp the rootstock, causing damage to the seedling roots. This integrated machine achieves full automation without damaging the seedling roots, using a linkage to press and remove the seedlings, greatly ensuring the integrity of the seedling roots. Multiple trays can be planted simultaneously, and the removed trays can be collected and processed uniformly, significantly improving planting efficiency and accuracy, reducing manual labor input, and increasing seedling survival rate.

The invention discloses a Ilex rotunda grafting method which comprises the following steps: from late February to mid-March, preparing a 3-5-year-old Ilex rotunda rootstock for cultivation, and irrigating the Ilex rotunda rootstock; preparing a scion with double inclined planes; cutting a cut with the depth of 3cm in the rootstock, inserting the scion and aligning to the cambium; and carrying out double-layer binding by using a viscous PVC grafting film and a grafting soft film. The final-period management comprises the steps of sunshelter building, irrigation, bud picking, unbinding, pinching, fertilization and weeding. The problem that Ilex rotunda is difficult to breed is solved, the grafting survival rate is high, and the seedling raising period is short.

The invention discloses an establishment method of a cherry rootstock Gisela 6 leaf in-vitro regeneration system and transgenic application thereof, and belongs to the field of plant biotechnology and genetic engineering. According to the regeneration system established by optimizing the formula of the culture medium, the regeneration frequency of the 'Gisela 6' leaf is stabilized at a relatively high level, and the quality of the regenerated material is remarkably improved. The callus generated by induction of the method provided by the invention is compact and strong in browning resistance, and the transgenic callus capable of stably expressing RUBY is obtained by a leaf disc transformation method; meanwhile, vitrification of regenerated buds is effectively inhibited, robust plants easy to transplant are obtained, and technical support is provided for precise improvement and breeding speed.

The present application relates to a kind of efficient breeding methods of high resistance larch new germplasm of pine moth, including larch high resistance scion collection, rootstock selection and processing, grafting breeding and grafting management etc., in the process of high resistance scion seedling breeding, by scientific seed winter storage, sowing seedling and seedling management etc., to obtain a large number of healthy high resistance scion tender shoot provides guarantee. Scion uses the tender shoot of 10-15 days growth on seedling, and the high adaptability larch seedling of 10-15 days seedling stem straight thick, top bud full, root system developed, no disease and injury is selected as rootstock, so that grafting joint can heal quickly, shorten breeding cycle. After grafting, first grow in the environment very stable plant growth room for about 2 months, etc. Scion survival, transition period is transferred into greenhouse and grows for 1 year to reach healthy seedling, finally, further seedling raising in outdoor open-air test ground, so that seedling is fully lignified, thus a large number of high resistance pine moth larch seedling resources for artificial afforestation are obtained. The present application reduces the probability of occurrence of insect pests from the source, improves the insect resistance of larch itself, and improves the forest quality, growth rate and wood utilization efficiency.

The invention relates to the field of grafting, and discloses a peony grafting device for megaphanerophytes and a grafting technology.The peony grafting device for the megaphanerophytes comprises a mounting frame, a two-way lead screw is rotationally connected to the interior of the mounting frame, a worm gear is fixedly connected to the middle of the two-way lead screw, and the tooth end of the worm gear is connected with a gear ring in an engaged mode; the top of the gear ring is fixedly connected with an annular sliding block, the outer wall of the annular sliding block is slidably connected into the annular sliding groove, the top of the gear ring is fixedly connected with a supporting column, the bottom of the supporting column is rotatably connected with a connecting rod, the interior of the mounting frame is rotatably connected with a rotating shaft, and a grafting film coiled material is arranged on the outer wall of the rotating shaft. The free end of the grafting film coiled material is wound on the outer walls of the scion and the stock, the gear ring drives the grafting film coiled material to rotate around the outer wall of the grafting connector of the megaphanerophyte stock and the peony scion through rotation of the worm wheel, sealing operation of the connector is achieved, and therefore the grafting survival rate is increased.

The present application relates to the technical field of micro-grafting, and provides a Xinggongguo seedling micro-grafting device and method, wherein the Xinggongguo seedling micro-grafting device comprises a fixing frame, a supporting plate, a displacement assembly, a top shell, a clamping assembly and a cutting assembly; the supporting plate is fixedly installed on the fixing frame; the displacement assembly is installed inside the fixing frame and is used for adjusting the position of the seedling to be grafted; the top shell is rotatably installed on the top of the fixing frame; the clamping assembly is installed on the supporting plate and the displacement assembly and is used for fixing the positions of the seedling to be grafted and the stock; and the cutting assembly is installed on the supporting plate and is used for cutting grooves in the clamped seedling to be grafted and the stock. Through the above technical scheme, the problem of low grafting success rate caused by the high possibility of infection of pathogenic bacteria due to the phenomenon that the grooves are not flush when cutting the small stock and scion in the prior art is solved.

The application relates to the field of plant molecular breeding and low-temperature stress cultivation technology, and particularly relates to application of a CmoCK1 gene in creating a low-temperature-resistant rootstock of cucumber; through overexpression of the CmoCK1 gene and low-temperature treatment of a wild-type cucumber, the low-temperature resistance of the cucumber with overexpression of the CmoCK1 gene is significantly improved; the wild type and the overexpression plant are grafted as rootstocks to wild-type scions respectively, it is found that the cucumber with overexpression of the CmoCK1 gene as the rootstock can improve the low-temperature resistance of the scion cucumber, and the physiological indexes such as the relative conductivity and the malondialdehyde content of the above plants are determined, which shows that the new function of the CmoCK1 gene has good application potential, provides a gene resource and a new idea for reducing low-temperature stress, delaying the low-temperature response of the cucumber and further cultivating a low-temperature-resistant special rootstock of the cucumber in production, and has a wide application prospect and high use value.

The invention relates to the technical field of fruit tree cultivation, and discloses an apple deep-rooted cultivation method suitable for M9T337 rootstock, the apple deep-rooted cultivation method comprises the steps of nursery stock pretreatment, ditching and field planting, staged soil covering and chemical control management, rootstock cortex rooting is induced by combining layer-by-layer soil covering and chemical control measures, and the problems of shallow root system and poor stress resistance of the M9T337 rootstock are solved. According to the method, a complete technical chain of pretreatment, field planting, root inducing, regulation and maintenance is constructed, a continuous deep root induction environment is created through staged soil covering, and a deep root cultivation mode from passive adaptation to active induction is realized by matching with pretreatment of a composite agent to induce rooting and chemical control management to coordinate nutrient distribution. Practice shows that after M9T337 rootstock apple seedlings cultivated through the method are planted for one year, the proportion of deep root systems below 30 cm is increased to 45-50% from 15-20% of traditional cultivation, the length of main roots can reach 50-60 cm, root system distribution is more reasonable, and the deep water and fertilizer absorption capacity is remarkably improved.

The utility model discloses a plant rootstock sampling device, which comprises a structure main body (1), a lifting mechanism (2) and an electrical control system (3), the structure main body (1) comprises multiple layers of bearing parts, the lifting mechanism (2) and the electrical control system (3) are respectively arranged on the multiple layers of bearing parts of the structure main body (1), the lifting mechanism (2) is arranged at the lower end of the electrical control system (3), and the electrical control system (3) is arranged on the lifting mechanism (2). And the controller is connected with the electrical control system (3). According to the utility model, a mechanical mode is adopted to replace a manual mode, customs personnel lift the sampling device to a position above a sampling point through a crane outside the storage cabin, and the sampling device is provided with a trigger mechanism and can automatically carry out sampling operation, so that not only is the personnel operation convenient, the sampling efficiency is improved, the human resource is saved, but also the occurrence of safety accidents is avoided.

The fruit tree grafting assistor with the automatic positioning function comprises an outer lantern ring, a position adjusting sliding groove is formed in the inner wall of the outer lantern ring, the front end of the outer lantern ring is connected with an inner lantern ring in an inserted mode through the position adjusting sliding groove, and the outer lantern ring and the inner lantern ring form a plurality of fixing sleeve pieces. The upper side of the center of the rear end of the outer lantern ring and the upper side of the center of the front end of the inner lantern ring are both connected with angle adjusting bases, angle adjusting insertion holes vertically penetrate through the interiors of the two angle adjusting bases, the lower ends of the two angle adjusting bases are both connected with angle adjusting pull belts, and the two angle adjusting pull belts are located between the two angle adjusting insertion holes. The telescopic nested lantern ring design is adopted, diameter adjustment is achieved through sliding fit of the inner lantern ring and the outer lantern ring, scions and rootstocks of different thicknesses can be tightly attached, and the adaptive capacity is improved. The telescopic nested type lantern ring has the advantages that the telescopic nested type lantern ring design is adopted, the diameter adjustment is achieved through sliding fit of the inner lantern ring and the outer lantern ring, and the telescopic nested type lantern ring can be tightly attached to the scions and the rootstocks of different thicknesses. The anti-skid latch structure on the inner wall of the lantern ring ensures firm fixation, avoids displacement, and improves the fixing stability.

The invention belongs to the field of tomato seedling cultivation, and particularly relates to a method for accurately evaluating the level of tomato rootstock resistance to elephantopus scaber root-knot nematode. On the basis of testing indexes such as a disease index, a root knot index, an egg index, a propagation coefficient and a soil microorganism species number of tomato rootstocks, a rootstock growth index is combined, an index (Simpson index) algorithm of species diversity in a soil microorganism community is creatively utilized, evaluation parameters are optimized, and the evaluation accuracy is improved. The measured indexes are adopted to calculate membership functions and soil microbial diversity indexes to evaluate the resistance of the tomato rootstock to be detected to the root-knot nematode, so that the rootstock variety for resisting the tomato rootstock to the root-knot nematode can be better and comprehensively clustered and analyzed, and the resistance of the tomato rootstock to the tomato rootstock to the root-knot nematode can be accurately evaluated; and a novel method is provided for screening the tomato rootstock for resisting the rhus chinensis root-knot nematode.

The application relates to the technical field of plant grafting, and particularly discloses a grafting method capable of improving disease resistance of eggplants, which comprises the following steps: Solanum nigrum seedling, eggplant seedling, seedling period management and grafting; in the application, the wild Solanum nigrum is selected as the stock, has the advantages of fast growth speed and good disease resistance, and can greatly improve the disease resistance and yield of the plant as the stock; the eggplant has a high incidence rate during the growth process, especially the occurrence of the yellow wilt disease is serious, and the yield is completely lost in serious cases; the grafting can solve the fundamental problem; the Solanum nigrum seed has a large amount, is easy to breed, and has a high germination rate; the special nutrient solution is sprayed, the wound healing speed of the grafting is greatly accelerated, and the healing effect is good; the grafting method of the sleeve pipe is adopted, the grafting speed is improved, the wound is protected, and the bacteria are prevented from invading the wound.

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.

The invention discloses a cultivation method for promoting growth of watermelon grafted seedlings through composite multispectral light supplementation. The method comprises the steps that firstly, after light supplementation treatment is conducted on stocks, sampling is conducted, and the antioxidant capacity of the stocks is analyzed; secondly, after grafting culture is conducted on the rootstock after light supplementing treatment, optimal rootstock light supplementing treatment is determined, and meanwhile the grafting survival rate of the rootstock after grafting is measured; thirdly, performing grouped light supplementing treatment on the watermelon grafted survival seedlings, performing destructive sampling every 7 days after light supplementing is started, and recording sampling results; and finally, obtaining growth characteristic indexes of the watermelon grafted seedlings according to a sampling result, so that the optimal light supplementing intensity of the watermelon grafted seedlings is obtained through the growth characteristic indexes. According to the optimal light supplementing intensity, the growth of scions and stocks is remarkably promoted, the disease index is reduced, the growth of tendrils is inhibited, and the net photosynthetic rate, the total chlorophyll amount and the activity of antioxidant enzymes such as SOD and CAT are remarkably improved.

This invention relates to the field of vegetable cultivation technology and discloses a soilless vegetable cultivation device, including a tank, a straight pipe disposed on top of the tank, a support plate disposed on the side of the straight pipe, and a spraying mechanism disposed inside the tank. The spraying mechanism includes a vertical shaft, a first gear, a telescopic rod, an annular water tank, an electric nozzle, and a lead screw. This invention achieves the core effect of upgrading hydroponics to aeroponics through the spraying mechanism. A motor drives the lead screw to move the annular water tank up and down, while gear meshing drives the annular water tank to rotate around the winter melon rootstock. Under the dual action of up-and-down movement and rotation, the electric nozzle atomizes the nutrient solution and sprays it evenly onto all parts of the root system. This completely solves the problems of root hypoxia in traditional hydroponics and uneven spraying in ordinary aeroponics, further improving the absorption efficiency of nutrient solution and the uniformity of growth of the winter melon roots.

This invention discloses a harvesting and collection device for Salvia miltiorrhiza rhizomes in heavy clay soil, relating to the technical field of Salvia miltiorrhiza harvesting devices. It includes a soil separation module, a machine vision module, and a control module. The soil separation module comprises a primary soil separation unit and a secondary soil separation unit. The secondary soil separation unit includes an elastic clamping conveying mechanism and a sliding table module. The sliding table module is positioned above the clamping conveying mechanism and is equipped with an elastic hammering mechanism. The machine vision module identifies the position of the central area of ​​the Salvia miltiorrhiza root system. The control module adjusts the position of the elastic hammering mechanism on the sliding table module according to the identified position, causing the elastic hammering mechanism to hammer the soil in the center of the Salvia miltiorrhiza root system. This solves the problem of difficult soil removal in the central area of ​​the Salvia miltiorrhiza root system. This invention can separate the soil in the central area of ​​the root system while having advantages such as low root damage rate and high soil removal efficiency, significantly improving the harvesting efficiency and quality of Salvia miltiorrhiza.

This invention discloses a method for virus-free tissue culture using terminal buds of *Prunus armeniaca* rootstock, belonging to the field of plant tissue culture technology. The method includes: selecting terminal buds of *Prunus armeniaca* rootstock for pretreatment, sterilizing them with ethanol and mercuric chloride, and then immersing them in a virus-free pretreatment solution containing ribavirin and triazole nucleoside for virus removal; inoculating the virus-free terminal buds into WPM-based differentiation induction medium to obtain clustered buds; culturing the clustered buds in 1 / 2 MS-based proliferation subculture medium to obtain proliferating buds; inoculating the proliferating buds into 1 / 3 MS-based rooting medium to induce rooting; and finally, after hardening off and transplanting into a vermiculite-garden soil-humus substrate for acclimatization. This invention optimizes the virus removal and tissue culture system based on the characteristics of *Prunus armeniaca* rootstock, achieving a virus removal rate ≥95%, a terminal bud differentiation survival rate ≥85%, a rooting rate ≥90%, and a transplant survival rate ≥88%. This enables rapid and large-scale propagation of virus-free *Prunus armeniaca* rootstock seedlings, solving the problem of low propagation efficiency in traditional methods and providing high-quality rootstock support for the *Prunus armeniaca* industry.

This invention discloses a grafting method for small-leaved red bean branches. It uses small-leaved red bean (… Ormosia microphylla ) as the scion, with red bean tree ( Ormosia hosiei This invention uses a grafting method that successfully expands the population size of *Ormosia henryi*, promoting its regeneration and rejuvenation. This invention is of great significance for the artificial assistance in de-emerging endangered plants.

The application relates to the technical field of agricultural seedling raising, and specifically discloses a seedling raising method for double-head tomato grafted on rootstock. The seedling raising method for double-head tomato grafted on rootstock comprises the following steps: S1, substrate preparation: mixing peat soil, vermiculite, perlite and coconut husk in a weight ratio of 5: (2-2.5):2: (3-4), then blending with an antibacterial liquid until the humidity of the solid-liquid blend reaches 80-85%, obtaining a substrate material, laying, hole pressing, and obtaining a substrate; S2, sowing and germination; S3, removing growth points to form double heads; S4, grafting and healing; S5, transplanting and growing: obtaining double-head grafted tomato seedlings. The seedling raising method not only reduces planting cost and improves yield in the planting season, but also improves the survival rate of double-head grafted tomato seedlings to the same level as that of single-head grafted tomato seedlings.

The invention belongs to the technical field of fruit cultivation, and particularly relates to an avocado rootstock asexual propagation method which comprises the following specific steps: material preparation, grafting and yellowing treatment, cup sleeving of a micro container and rooting promotion, rooting inspection, scion grafting, cutting and independent seedling hardening, and outplanting and transplanting. Compared with vegetative propagation, seedling propagation and tissue culture, the method has the advantages of high efficiency, multi-bud synchronization, high sapling consistency, root system and crown balance, full play of genetic potential, low transportation cost, high quarantine safety, good root system quality, high field planting survival rate and no rejuvenation period, and is suitable for large-scale, commercial, long-distance transportation and facility cultivation.

The application discloses a method for grafting magnolia denudata with magnolia grandiflora, and belongs to the technical field of plant grafting and maintenance. The method for grafting magnolia denudata with magnolia grandiflora is characterized by using magnolia denudata as a stock, using a branch of magnolia grandiflora as a scion, adopting the bud-embedding grafting method, and combining with field water and fertilizer management in the later period to obtain the grafted plant. In the second year after grafting, a special spraying agent for magnolia grandiflora is sprayed. The grafting method is simple in process, and the survival rate of grafting is above 70% by selecting a suitable magnolia denudata stock, a suitable magnolia grandiflora scion, a suitable grafting time and a correct grafting mode, so that the propagation efficiency of magnolia grandiflora seedlings is greatly improved, and large-scale seedling raising of magnolia grandiflora can be realized, with low cost and high benefit. After the spraying agent is used, the number of flowers and the quality of flowers of magnolia grandiflora can be effectively improved, the spraying agent is convenient to use, is mild and safe, and the flowering ornamental property of magnolia grandiflora is improved.

The invention discloses screening and application of a fluorescent quantitative reference gene in a root and stem development process of iris vetiveria, and belongs to the technical field of plant genetic engineering. By constructing a strict reference gene evaluation and screening system, the reference gene with the most stable expression in different stages of root and stem development of iris vetiveria is screened out from eight candidate genes for the first time, errors in samples and between samples caused by internal reference selection are remarkably reduced, accurate correction and standardization of the expression level of a target gene are achieved, and the accuracy of the reference gene is improved. And reliable technical guarantee is provided for subsequent large-scale accurate quantitative analysis of irisone synthesis related functional genes.

The invention belongs to the technical field of rubber tree seedling raising, and particularly relates to a rubber tree full-period seedling raising method. The full-period seedling raising method for the rubber trees comprises the following steps: S1, nutrient soil preparation and bagging; s2, accelerating germination of the seeds and transplanting the seedlings; s3, rootstock selection: selecting a seedling bud grafting rootstock; seedling bud grafting rootstock selection; s4, managing a proliferation nursery; s5, grading bud slices; s6, budding: budding the seedlings; budding the plantlets; s7, unbinding is carried out; s8, trunk cutting and topping; s9, bud picking; and S10, outplanting. The rubber tree seedling raising method has the advantages of being short in seedling raising period, rapid in budding propagation, short in nursery stock reserving time, high in budding survival rate and the like, green rootstocks are cultivated by integrating small budding cultivation and other technologies in combination with facility greenhouses, the proper green rootstocks are selected, the budding time is adjusted, and the survival rate of budding is increased. The defect that seedling budding seedling raising cannot be carried out in winter and spring low-temperature periods in China is overcome, and full-period seedling raising of rubber trees is achieved.

The invention discloses a method for cultivating high-starch potatoes through grafting, and relates to the technical field of potato cultivation. The method comprises the following specific steps: (1) cultivating a high-starch potato stock and a common potato scion; (2) grafting the rootstock and the scion; (3) grafted plant treatment; (4) domestication treatment: carrying out stress treatment on the grafted seedlings for 10-15 days, then transferring the grafted seedlings outdoors for culture, and harvesting tubers; and (5) screening of high-starch germplasm: selecting tubers with high starch content for planting, repeatedly domesticating for 2-3 generations, and harvesting tubers to obtain the high-starch potato germplasm. According to the method, the high-starch potato seedlings and the common potato seedlings are grafted, aeroponic culture management is performed after grafting, domestication treatment is performed, the starch content of the grafted potatoes can be increased, and after multi-generation domestication, the high-starch potato germplasm is obtained through breeding. According to the method, the variety breeding process is shortened, and the problem that the high-starch potato germplasm is not created by adopting a grafting method at present is solved.

The utility model relates to the technical field of horticulture cultivation, disclose a kind of garden flower grafting device, including winding drum, the right side surface of the winding drum is fixedly connected with arc plate, the right side surface of the arc plate is fixedly connected with elastic pad, the upper surface of the winding drum is movably penetrated and is connected with winding rod, the outside of the winding rod is wound with binding stock belt in the inside of winding drum, and one end of the binding stock belt located outside winding drum is provided with connecting mechanism;The utility model is closely combined with stock by the cooperation of arc plate and elastic pad, is connected with the quick closed loop after being hung by hook and ring after being wound clockwise in combination with binding stock belt, and one-way tightening binding stock belt is realized using ratchet pawl mechanism winding rod, forms stable binding force to fix scion;After grafting is completed, push L type push rod to release pawl limit, winding rod can be rotated counterclockwise instantaneously release binding stock belt, realize zero damage disassembly, significantly improve grafting operation efficiency and survival rate.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker primer for identifying male and female plants of actinidia valvata and application of the SNP molecular marker primer. The nucleotide sequences of the marker primer are shown as SEQ ID NO. 1 and SEQ ID NO. 2. The primer provided by the invention solves the problem that the male parent and male parent selection time is relatively long in the new variety cultivation and improved hybrid combination configuration process. The method can be used for identifying the sex of the actinidia valvata at the seedling stage; the method can be applied to molecular marker assisted breeding, it can be ensured that stocks with good affinity with scion varieties can be selected through identification, the grafting success rate is increased, the breeding cost is saved, and the stress resistance and adaptability of the scion varieties are improved. By identifying the hybrid combination of different male and female individuals in the early breeding stage, the male and male parent family is constructed, and the method has important significance in improving the grafting advantage and breeding efficiency and shortening the breeding process. Compared with polyacrylamide gel electrophoresis, the electrophoresis technology for detection is rapid, simple and convenient, and is safer to the environment and human bodies.

This invention relates to a root and tuber separation device and a root and tuber harvester, the root and tuber separation device, particularly a thin stem and leaf elevator, for separating material into stems and leaves and root and tuber parts. It includes a first conveyor belt, particularly configured as a screen belt, supported at the frame of the root and tuber separation device, and forming a first conveying section between a first steering unit and a second steering unit. During operation, the harvested material on the first conveyor belt is conveyed on the first conveying section toward a second conveyor belt of the root and tuber separation device, particularly a spiky belt, which is pivotally supported at the frame. The second conveyor belt, particularly a spiked belt, is located between the upper steering unit and the lower steering unit. A second conveyor section is formed at an angle, wherein, during operation, a portion of the harvest, particularly in the form of stems and leaves, is conveyed upward on the second conveyor section against gravity by the operating second conveyor belt, and another portion of the harvest, particularly in the form of root tubers, moves downward against the movement of the second conveyor belt under the action of gravity. At least one of the two conveyor belts is provided with at least one adjusting mechanism, by which at least one guide unit of the conveyor belt can be adjusted relative to the frame, such that by manipulating the adjusting mechanism, the orientation of the two sub-sections of the conveyor section relative to each other changes, and the orientation of the sub-section closer to the other conveyor belt changes.

A new and distinct variety of interspecific tree. The following features of the tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, California, with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consists of the following combination of desirable features:1. Tree having a vigorous, upright growth habit.2. Tree being a regular and productive bearer of medium size fruit.3. Fruit with very good flavor and eating quality.4. Fruit with a high degree of red skin color.5. Clingstone fruit with firm, red flesh.

This invention belongs to the field of avocado disease resistance screening technology, specifically relating to a method for screening rootstocks resistant to avocado root rot, comprising the following steps: S1. Selecting plump, disease-free avocado seeds to be screened, disinfecting them, and then hydroponically cultivating them to obtain avocado hydroponic seedlings; S2. Activating and propagating the avocado root rot pathogen and preparing a mycelial suspension; S3. Rinsing the roots of the avocado hydroponic seedlings with distilled water and placing them in sterile hydroponic cups containing the mycelial suspension for cultivation and observation; S4. Grading and investigating the disease incidence of the avocado hydroponic seedlings and calculating the disease index (DI); S5. Classifying the resistance level according to the disease index (DI). This invention, by establishing a standardized hydroponic inoculation identification method, successfully overcomes the inherent defects of traditional methods, achieving significant progress in screening efficiency, result accuracy, and operational feasibility, providing efficient, reliable, and strong support for avocado root rot resistance breeding.