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38 results about "Pineapple (Fruit)" patented technology

Soil improvement method based on multi-season pineapple planting and modifier thereof

The invention relates to the technical field of soil agrochemistry, in particular to a soil improvement method based on multi-season pineapple planting and a modifier thereof. The soil improvement method based on multi-season pineapple planting comprises the following steps: (1) deeply ploughing soil; uniformly mixing coconut shell charcoal and quicklime powder, applying the mixture to the deeply ploughed soil, and continuously applying a soil conditioner after rotary tillage; ridging is performed after rotary tillage is performed for 1-2 times, so that turtle-back-shaped ridge bodies are formed; (2) the surface of the ridge body is covered with a black mulching film in the longitudinal direction of the ridge body, seed holes with the diameter being 3-5 cm are reserved in the black mulching film, pineapple bud seedlings with 2-3 leaves are planted in the seed holes, and root fixing water is thoroughly watered; (3) irrigating with a water dispersible fertilizer solution after field planting of the pineapple bud seedlings; irrigating for 1-2 times by adopting a water dispersible fertilizer solution in a flowering period; (4) performing conventional field management, and harvesting after maturing. The method not only promotes the environment to be stable and nutrients to be sufficient, but also has a remarkable soil improvement effect, remarkably improves the sugar degree of pineapple fruits and greatly improves the yield.
Owner:HAINAN BETTER ECO LEISURE AGRI TECH CO LTD

A pineapple black heart disease grading device and grading method

The present invention discloses a pineapple black heart disease grading equipment and grading method. The grading equipment of the present invention includes a pineapple leaf pre-cutting module, a pineapple slicing module, a detection and transportation module, a visual inspection module, and an intelligent grading system module; the pineapple leaf pre-cutting module can pre-cut and separate the pineapple leaves; the pineapple slicing module can slice the pineapple fruit longitudinally; the detection and transportation module can inspect and transport the sliced ​​pineapple fruit; the visual inspection module can perform visual inspection on both sides of the sliced ​​pineapple fruit being transported online on the detection and transportation module; the intelligent grading system module is connected to the visual inspection module and can grade pineapples for black heart disease based on the visual inspection results. The grading method of the present invention, based on the pineapple black heart disease grading equipment, can fully cover the degree of black heart inside the pineapple, quickly and efficiently perform accurate pineapple black heart disease grading, and provide accurate judgment for pineapple black heart disease grading.
Owner:广东省农业科学院农业质量标准与监测技术研究所

A molecular marker for identifying allelic variations of a soluble acid invertase gene AcoInv-1 in pineapple fruits and application thereof

The present application relates to the field of agricultural biotechnology, and particularly relates to a molecular marker capable of identifying allelic variations of a soluble acid invertase gene AcoInv-1 in pineapple fruits and application thereof. The molecular marker is amplified by using the following primers: forward primer 5-CTGCGAAATGAACTAGTCAACTC-3 and reverse primer 5-TAGAGAACCGTTCTTGG AATGG-3. The primers can identify allelic variations of the soluble acid invertase gene AcoInv-1 in pineapple fruits, i.e. AcoInv-1a and AcoInv-1b. It is found through research that the two allelic variations are extremely significantly related to the total sugar content of the pineapple fruits. It is proved through verification that the pineapple material of the AcoInv-1a type is related to high sugar content, and the pineapple material of the AcoInv-1a and AcoInv-1b types is related to low sugar content. The application of the molecular marker obtained by the present application in selecting pineapple varieties with high sugar content potential will help to accelerate the breeding selection cycle.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI +1

Pineapple picking robot

The invention discloses a pineapple picking robot which comprises a moving trolley and further comprises a cutting mechanism, a guide shifting mechanism, a conveying mechanism, a collecting mechanism, a visual module and a controller. When the pineapple picking robot is used, the robot travels into a pineapple field, and the robot is made to move in the pineapple planting column direction; the position information of the pineapples is recognized and calculated through the visual module, the position information is sent to the controller, the controller sends out a picking instruction and controls the moving trolley to move towards the target to-be-picked pineapples, meanwhile, the pineapples of different heights are guided to the cutting mechanism through the guiding and shifting mechanism, and the pineapples are cut through the cutting mechanism. Pineapple stalks are cut through the cutting mechanism, pineapple fruits are separated out, the cut pineapples are toggled to the conveying mechanism on the rear portion through the guiding and toggling mechanism, then the pineapples are conveyed into the collecting mechanism through the conveying mechanism, picking is completed, and next picking and collecting are conducted.
Owner:GUANGDONG OCEAN UNIVERSITY

A method for promoting the absorption of calcium elements by pineapple fruits

The application provides a method for promoting the absorption of calcium elements by pineapple fruits, which comprises the following steps: three months after the pineapple plant is induced to bloom and four months after the pineapple plant is induced to bloom, gauze is soaked in an amino oxyacetic acid aqueous solution or a pyrazine amide aqueous solution, the soaked gauze is applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours; the gauze is secondly soaked in an indole-3-acetic acid aqueous solution, an indole-3-butyric acid aqueous solution, a phenylacetic acid aqueous solution or an alpha-naphthylacetic acid aqueous solution, and the soaked gauze is again applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours; the gauze is thirdly soaked in a 6-benzylaminopurine aqueous solution, a kinetin aqueous solution, a thidiazuron aqueous solution or a forchlorfenuron aqueous solution, and the soaked gauze is again applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours. The application can inhibit the formation of the pineapple fruit stem delimitation, promote the absorption of calcium by the fruits, reduce the incidence of pineapple water core disease from about 18% to about 0.6%, and significantly improve the income of fruit farmers.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +1

Soil improvement method based on multi-season planting of pineapple and its improver

ActiveCN120917947BOther chemical processesFertilising methodsPlastic mulchAgricultural chemists
The present application relates to the field of soil agricultural chemistry technology, and more particularly to a soil improvement method and agent for pineapple planting in multiple seasons. The soil improvement method for pineapple planting in multiple seasons comprises the following steps: (1) deep ploughing the soil, uniformly mixing coconut shell charcoal and lime powder, and then applying the mixture to the deep ploughed soil, and continuously applying the soil improvement agent after rotary ploughing; rotary ploughing 1-2 times to form a tortoise-back-shaped ridge; (2) covering the ridge surface with black mulch film along the longitudinal direction of the ridge, reserving a 3-5 cm diameter hole in the black mulch film, planting 2-3 leaf pineapple sprouts in the hole, and pouring root-fixing water; (3) irrigating with water-dispersed fertilizer solution after the pineapple sprouts are planted; then irrigating with water-dispersed fertilizer solution 1-2 times during the flowering period; (4) routine field management, and harvesting after maturity. The present application not only promotes environmental stability and sufficient nutrients, but also has a remarkable soil improvement effect, significantly improves the sugar content of pineapple fruits, and greatly improves the yield.
Owner:HAINAN BETTER ECO LEISURE AGRI TECH CO LTD

Application of pineapple calcium-dependent protein kinase gene in prevention and treatment of pineapple water core disease

ActiveCN120944941BTransferasesFermentationBiotechnologyCalcium-dependent protein kinase
The application relates to the field of molecular biology technology, and particularly relates to application of a pineapple calcium-dependent protein kinase gene in prevention and treatment of pineapple water core disease; the pineapple calcium-dependent protein kinase gene comprises AcCPK4, AcCPK8 and / or AcCPK15 genes, the CDS sequence of which is shown as SEQ ID NO. 1-3; the gene is transiently expressed in pineapple fruits, can significantly inhibit the pineapple water core disease, and provides important theoretical support for analysis of a pineapple water core disease mechanism and cultivation of high-quality pineapple varieties resistant to the water core disease.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

Application of pineapple calcium-dependent protein kinase gene in prevention and treatment of pineapple hydroheart disease

ActiveCN120944941ATransferasesFermentationCalcium-dependent protein kinasePineapple (Fruit)
The invention relates to the technical field of molecular biology, in particular to application of a pineapple calcium-dependent protein kinase gene in prevention and treatment of a pineapple hydroheart disease. The pineapple calcium dependent protein kinase gene comprises an AcCPK4 gene, an AcCPK8 gene and / or an AcCPK15 gene, and the CDS sequence of the AcCPK4 gene, the AcCPK8 gene and / or the AcCPK15 gene is as shown in SEQ ID NO.1-3; the gene is transiently expressed in a pineapple fruit, the pineapple hydroheart disease can be remarkably inhibited, and an important theoretical support is provided for analysis of a pineapple hydroheart disease mechanism and cultivation of a high-quality hydroheart disease-resistant pineapple variety.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

A pineapple plant growth regulating composition and its regulator

ActiveCN118892130BBiocidePlant growth regulatorsBiotechnologyPineapple Plant
This invention provides a pineapple plant growth regulator composition and its regulator, relating to the field of plant growth regulators. The pineapple plant growth regulator composition of this invention comprises the following raw materials in parts by weight: 30-50 parts of calcium diphenylureasulfonate, 15-20 parts of titanium citrate, 8-12 parts of N6-isopentenyladenine, 3-5 parts of 4-iodophenoxyacetic acid, and 10-20 parts of jasmonic acid. This invention uses calcium diphenylureasulfonate, titanium citrate, N6-isopentenyladenine, 4-iodophenoxyacetic acid, and jasmonic acid as core components to prepare a pineapple plant growth regulator composition, which not only significantly increases the single fruit weight of pineapple but also improves fruit quality and effectively reduces the incidence of watercore disease. The plant growth regulator of this invention can enhance the pineapple's defense response against watercore disease, while promoting growth, improving its stress resistance, and increasing fruit quality and yield, resulting in significant benefits in production.
Owner:ZHONGJIN GRP (HAINAN) CO LTD

Mycobacterium hydrolase and application thereof in preparation of flavors and fragrances

The invention relates to a mycobacterium hydrolase and application thereof in preparation of flavors and fragrances, and belongs to the fields of enzyme engineering and mining and application of new enzyme resources. The hydrolase comes from mycobacteria, and the amino acid sequence of the hydrolase is shown as SEQ ID No: 2; the hydrolase MdHDL disclosed by the invention has relatively high catalytic activity and substrate concentration tolerance, and can efficiently utilize benzyl alcohol or phenethyl alcohol to react with p-nitrophenyl methyl acetate pNPA, p-nitrophenyl methyl butyrate pNPB or p-nitrophenyl methyl caprylate pNPO to synthesize essence and perfume substances with different flavors; the method is suitable for preparing flower fragrance and fruit fragrance type flavors and fragrances such as jasmine flower fragrance, rose fragrance, pineapple fragrance, banana fragrance and apricot fragrance by an enzyme method, has obvious industrial production potential, and provides technical basis and method guidance for preparing the flower fragrance and fruit fragrance type flavors and fragrances by the enzyme method.
Owner:JIANGSU UNIV

Method for identifying pineapple peel coloring and application

The invention relates to the technical field of genetic engineering, in particular to a method for identifying pineapple peel coloring and application. According to the method disclosed by the invention, the AcGLK gene is used as a candidate gene for determining chlorophyll synthesis of the pineapple, and specific primers are designed through molecular markers in the AcGLK gene, so that genotypes of segregation population single plants under a specific genetic background are accurately distinguished, and leaf color / peel color phenotypes are judged; the method is used in breeding practice of pineapple leaf color diversity, and the improvement process of pineapple leaf color and fruit color characters is accelerated.
Owner:TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI

A method for preparing pineapple fruit powder by boiling granulation

The present application belongs to the technical field of food production and processing, and particularly relates to a method for preparing pineapple fruit powder by boiling granulation, which comprises the following steps: adding γ-cyclodextrin into pineapple juice, stirring and dissolving to obtain an inclusion liquid; subjecting the inclusion liquid to ceramic membrane microfiltration to obtain a dialysate; subjecting the dialysate to vacuum decompression concentration and filtration to obtain a concentrated liquid; weighing auxiliary materials according to the total solid mass of the concentrated liquid, and dividing the auxiliary materials into first auxiliary materials and second auxiliary materials; placing the first auxiliary materials into a boiling granulator, spraying the concentrated liquid to obtain shaped particles; preparing an embedding solution from the second auxiliary materials, and performing spray embedding, drying and sieving on the shaped particles to obtain pineapple fruit powder. The pineapple fruit powder prepared by the method has high solubility, good fluidity, low hygroscopicity, high nutrient retention rate, low processing cost and long product shelf life.
Owner:GUANGDONG YIFANG PHARMA

A pineapple maturity target detection method based on a YOLOv10 model

The present application relates to a kind of pineapple ripeness target detection method based on YOLOv10 model, belong to fruit and vegetable ripeness detection technical field, including: obtaining the pineapple image to be detected;The pineapple image to be detected is input into pineapple ripeness detection model, outputs the fruit eye ripeness score in the pineapple image to be detected, obtains the ripening grade of pineapple in the pineapple image to be detected, wherein the pineapple ripeness detection model is based on the improved YOLOv10 model is constructed and is obtained by training set training, the improved YOLOv10 model is obtained by improving the feature extraction network structure of traditional YOLOv10 model, and the training set is the pineapple image containing pineapple fruit eye ripeness annotation.This application can detect the pineapple fruit eye that existing detection model cannot detect, and can effectively solve the problem of leaf blade shielding pineapple fruit eye.
Owner:GUANGDONG OCEAN UNIVERSITY

High-precision nondestructive testing method and device for sugar degree of pineapple sorting

The invention discloses a sugar degree high-precision nondestructive testing method and device for pineapple sorting, and the method comprises the steps: for a certain pineapple variety, obtaining a corresponding pineapple subinterval spectral data sample set and a pineapple subinterval local sugar degree value sample set according to different pineapple fruit measurement subintervals; giving an interval fuzzy preference relationship of different prediction models to pineapple fruit measurement subintervals, and aggregating the interval fuzzy preference relationship into an accurate value by using an importance weight continuous generalized ordered weighted average operator; determining a pineapple fruit recommendation subinterval and a recommendation prediction model for pineapple sorting; according to the sugar degree high-precision nondestructive testing method and device for pineapple sorting, the near infrared spectrum data in the pineapple fruit recommendation subintervals in the sorting process are processed by constructing the global sugar degree prediction model, and therefore sugar degree high-precision nondestructive testing is provided for detected pineapples.
Owner:REEMOON TECH CO LTD

Magnetic type intelligent pineapple harvesting test platform and test method

PendingCN121420770APicking devicesPineapple PlantAgricultural engineering
The invention discloses a magnetic type intelligent pineapple harvesting test platform and a test method, and belongs to the technical field of pineapple harvesting tests. The pineapple harvesting test device solves the problems that an existing pineapple harvesting test device can only realize a separation action test on a fruit-stem joint, and does not carry out a simulation test on a pineapple plant spacing, a pineapple plant row spacing and a pineapple plant inclination angle in a pineapple fruit surface clamping or collision and harvesting process. Comprising a data acquisition system and at least one harvesting test unit, each harvesting test unit comprises a rack and at least one pineapple model installed on the rack, and when the number of the pineapple models is larger than one, the multiple pineapple models are arranged in the length direction of the rack, and the distance between every two adjacent pineapple models is adjustable. The device is used for pineapple harvesting tests.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

Pineapple shape accurate high-throughput discrimination method

The invention discloses a pineapple fruit shape high-throughput discrimination method. The method comprises the following steps: S1, obtaining a pineapple fruit shape image data set with large genetic background difference; s2, preprocessing the pineapple fruit shape image data set with large genetic background difference; s3, training a YOLOv5s network by using the preprocessed pineapple fruit shape data set with large genetic background difference to obtain a high-throughput automatic identification model; and S4, inputting the to-be-processed pineapple fruit shape image into the high-throughput automatic identification model for pineapple fruit shape identification. According to the technical scheme, the shapes of the pineapple fruits can be quickly and accurately judged.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

Pineapple cultivation method based on complex mountainous terrain no-tillage and continuous multi-season high yield

The present application relates to pineapple cultivation technical field, especially based on mountainous complex topography no-tillage and continuous multi-season high yield pineapple cultivation method. The pineapple cultivation method, including the following steps: along the contour line excavate drainage ditch and ridge; select strong seedling, and plant in ridge wide and narrow row mode; apply enough base fertilizer, and normally manage in the field until the first season pineapple is harvested; when the first season pineapple fruit is harvested, the bud retention operation is simultaneously carried out; after harvesting, the old leaves of the mother plant are retained for 25-30 cm, the withered leaves are cut down, and are laid on the ridge surface, the absorbed buds, sprouts and weeds removed during harvesting are covered in the row; through no-tillage field management, the retained absorbed buds will directly grow and develop into the next season fruiting mother plant, enough base fertilizer is applied, and normal field management is carried out, and the above steps are repeated when the next season is harvested; after continuous production for 2-3 seasons, the old plant root system is completely removed, and new seedlings are replanted, and a new multi-season cycle is started.
Owner:HAINAN BETTER ECO LEISURE AGRI TECH CO LTD

Pineapple wine brewing process

The invention discloses a pineapple fruit wine brewing process, which belongs to the field of fruit wine brewing, and is characterized in that peeled pineapples are used as raw materials, and the influence of four factors, namely pre-fermentation sugar degree, yeast inoculum size, pectinase addition amount and pre-fermentation days, on the quality of the pineapple fruit wine is explored in a mode of combining a single factor test and an orthogonal test. By measuring relevant indexes such as sensory scores, alcoholic strength and total sugar, the brewing process conditions of the pineapple fruit wine are optimized. The pineapple fruit wine brewed by the pineapple fruit wine brewing process provided by the invention presents a harmonious aroma state and a proper sour and sweet taste, the sensory score can reach 87.1, the alcoholic strength reaches 11.4% vol, the total sugar content is 3.2 g / L, the total acid content is 7.2 g / L, and the pineapple fruit wine conforms to the stipulation of dry wine. And the problems of unstable quality and large taste difference of pineapple wine products can be solved.
Owner:ZHAOQING UNIV

A method for quickly and massively cultivating seedlings in a field by using pineapple waste stem stalks

PendingCN122439537AAsexual reproductionButyric acid
The present application relates to the field of asexual reproduction technology, and more particularly to a method for large-scale cultivation of seedlings by using pineapple waste stem in field. The method comprises the following steps: after harvesting of pineapple fruits, collecting healthy above-ground stems of pineapple, removing leaves and residual fruit stalks, and soaking the base of the stems in a composite pretreatment solution for 25-35 minutes; immersing the pretreated stems in an indole butyric acid solution for 8-15 seconds; ridging, ditching on the ridge surface, and inserting the stems into the ditch at an angle of 35-45 degrees with the bud eye facing upwards, with 2 / 3 of the length of the stems being buried in the soil and the remaining part being exposed to the ground; pouring water thoroughly after insertion, controlling the light intensity, maintaining the soil temperature at 20-30 DEG C, and culturing for 45-60 days; when the newly grown seedlings grow to 15-25 cm, gradually increasing the light intensity for 7-10 days of seedling hardening, and taking out the stems together with the base when the seedlings are transplanted, and obtaining the seedlings after separation. The present application converts waste stems into seedlings, and realizes in-situ resource utilization of waste.
Owner:HAINAN BETTER ECO LEISURE AGRI TECH CO LTD

A pineapple combined harvester with a directional flexible fruit picker and a vibrating conveying mechanism

The application discloses a pineapple combined harvester with a directional flexible fruit poking device and a vibrating conveying mechanism, which comprises a vehicle body, a picking device and a conveying device. The picking device comprises a frame and a picking mechanism. The picking mechanism comprises a fruit receiving plate and a directional flexible fruit poking device arranged on the frame. The directional flexible fruit poking device comprises a plurality of groups of flexible fruit poking rods and a fruit poking driving mechanism for driving the flexible fruit poking rods to keep a vertical posture and perform a fruit poking movement. The conveying device comprises a conveying belt and a vibrating conveying mechanism. The vibrating conveying mechanism comprises two rows of alternately arranged toothed screen groups and a vibrating conveying driving mechanism for driving the two rows of toothed screen groups to perform forward and backward alternating reciprocating movements. The pineapple combined harvester can push pineapple fruits backward for fruit poking, is suitable for the picking of pineapple fruits in various postures, and can realize low-loss conveying of the pineapple fruits. In the conveying process, no blockage occurs, so that the efficiency of batch fruit picking is increased.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

An organic cultivation and fertilization method for increasing the number of eyes of pineapple fruits

PendingCN122623564ABiotechnologyVermicompost
This invention discloses an organic cultivation and fertilization method for increasing the number of fruit eyes in pineapples, relating to the field of organic pineapple cultivation technology. The specific steps of this method are as follows: before planting, mix well-rotted cow manure with coconut coir and apply it deeply and water it; after planting, irrigate with EM bacteria-activated biogas slurry to regulate the rhizosphere; during the flower bud differentiation period, apply earthworm castings in furrows according to SPAD and soil nutrients; during the budding period, apply seaweed extract to the surface and water it; during the small fruit stage, foliar spray with amino acid compound fertilizer, forming a complete system from soil improvement to precise fertilization during key periods. This invention optimizes the soil environment through deep application of base fertilizer and rhizosphere microecological regulation, combined with stratified topdressing during flower bud differentiation and special topdressing during the budding and small fruit stages, precisely matching the nutrient requirements of each growth stage, forming a coherent system from soil improvement to nutrient supply during key periods, effectively increasing the number and uniformity of fruit eyes, solving problems such as poor soil environment, nutrient imbalance, and poor fruit eye development in traditional organic cultivation, and taking into account both ecological protection and cultivation benefits.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

Molecular marker for identifying pineapple peel coloring and application

The invention relates to the technical field of genetic engineering, in particular to a molecular marker for identifying pineapple peel coloring and application. The AcGLK gene is determined as a candidate gene for determining pineapple chlorophyll synthesis, a specific primer group is designed through molecular markers in the AcGLK gene, and the primer group can accurately distinguish genotypes of segregation population single plants under a specific genetic background, so that leaf color / peel color phenotypes are judged; the method is used in breeding practice of pineapple leaf color diversity, and the improvement process of pineapple leaf color and fruit color characters is accelerated.
Owner:TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI

A molecular marker for identifying allelic variations in the AcoInv-2 gene, a soluble acid invertase gene in pineapple fruit, and its application.

This invention relates to the field of agricultural biotechnology, specifically to a molecular marker and its application for identifying allelic variations of the soluble acid invertase gene AcoInv-2 in pineapple fruit. This molecular marker is amplified using the following primers: forward primer: 5-AGCGAGCACGCCGACATCC-3, reverse primer: 5-CGTCTATATTTGAGGACGACTAGT-3. These primers can identify the allelic variation types of the soluble acid invertase gene AcoInv-2 in pineapple fruit: AcoInv-2a and AcoInv-2b. Studies have shown that both allelic variation types are significantly correlated with the total sugar content of pineapple fruit. Verification has demonstrated that pineapple materials with the AcoInv-2a type are associated with high sugar content, while pineapple materials with both AcoInv-2a and AcoInv-2b types are associated with low sugar content. The application of the molecular marker obtained in this invention in selecting pineapple varieties with high sugar content potential will help accelerate the breeding selection cycle.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI +1

A three-dimensional point cloud RANSAC pose estimation method and system fusing two-dimensional radius prior

The application discloses a three-dimensional point cloud RANSAC pose estimation method and system fusing a two-dimensional radius prior, and the method is as follows: inputting a collected RGB image into an instance segmentation network model after pretreatment to obtain a binary mask image, combining a depth image to generate an original pineapple fruit color point cloud and performing noise reduction processing on the original pineapple fruit color point cloud; performing fitting processing on the binary mask image to obtain core parameters of a rectangle; determining a representative depth value in combination with the depth image, converting pixel length of the rectangle into physical length to preliminarily estimate a fruit radius, introducing a scale calibration coefficient to correct the radius prior interval; taking the radius prior interval as a constraint to improve the RANSAC algorithm, randomly sampling the pineapple fruit color point cloud to generate a candidate cylindrical model and eliminate invalid models; performing consistency inspection on the candidate cylindrical model meeting the radius prior interval constraint, selecting an optimal cylindrical model, and extracting a direction vector of the cylindrical axis and an arbitrary point on the axis as three-dimensional pose information of the pineapple fruit.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Pineapple picking robot and picking device

The present application relates to the technical field of crop picking device, especially to a pineapple picking execution manipulator and picking device, the pineapple picking execution manipulator comprises: a rack, the rack is fixedly connected to a pineapple picking vehicle, the pineapple picking vehicle is provided with a pineapple frame; a detection assembly, the detection assembly is used for detecting the position of the pineapple; a picking assembly, the picking assembly comprises a turnover mechanism, a mounting frame, a position adjusting mechanism, a driving mechanism and a gripper; an energy storage assembly, the energy storage assembly is used for compressing and storing air when the turnover mechanism moves; a cutting assembly, the cutting assembly comprises a pneumatic driving mechanism and a cutting knife; the present application is suitable for picking pineapple fruits with lower maturity, the air bag self-adaptive wrapping characteristic can effectively reduce the mechanical damage caused by the gripper when picking the pineapple, greatly improves the picking effect, and the self-cleaning of the gripper and the cutting knife can effectively reduce the maintenance cost.
Owner:TIANJIN AGRICULTURE COLLEGE +1

A method for preventing the increase of water core disease in mature pineapple fruits

The present invention discloses a method for preventing the increase of water core disease in mature pineapple fruits, belonging to the field of fruit tree cultivation technology. The method comprises: during the pineapple fruit harvest period from April to September, sampling and harvesting fruits of different maturity levels according to weather changes, first dividing the orchard into multiple areas, randomly sampling fruits of different maturity levels in each area, judging the occurrence of water core disease, and then determining the incidence of water core disease in the pineapple fruits in the area. Prioritizing harvesting of pineapple fruits that have reached 60% or 70% maturity and have a water core disease incidence rate of more than 20%, the fruit stalks of all fruits in this area are directly cut off, effectively preventing the incidence of water core disease. The remaining areas in the orchard are then gradually harvested in batches. This method solves the problem of increased water core disease in large-scale pineapple production orchards due to untimely harvesting in a short period of time. It is simple, safe, and efficient, and has important significance for the sustainable development of the pineapple industry.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI +2

High-throughput counting method for small pineapple fruits

The invention discloses a high-throughput counting method for small pineapple fruits, and relates to the technical field of agronomy. The method comprises the following steps: acquiring a pineapple fruit image to be detected; constructing a high-throughput counting model based on a YOLOv5s network; a compensation equation is introduced into the high-throughput counting model, and optimization training is carried out by adopting a least square method; and inputting the to-be-detected pineapple fruit image into the high-throughput counting model for detection to obtain a small pineapple fruit counting result. According to the method, a new tool is provided for high-throughput accurate evaluation of the number of small fruits of germplasm resources by establishing the automatic small pineapple fruit counting method fused with the YOLOv5s model, and meanwhile, accurate data support is provided for genetic analysis and gene mining of the quantitative character of the small pineapple fruits.
Owner:SOUTH SUBTROPICAL CROP RES INST CHINA ACAD OF TROPICAL AGRI SCI

Pineapple impact damage testing machine with partition contrast function

The application discloses a pineapple collision damage testing machine with a separation comparison function, relates to the pineapple collision damage testing technical field, and comprises a testing box and a clamping assembly. The inside of the testing box is sequentially provided with a first simulation compartment, a second simulation compartment and a third simulation compartment from left to right. The clamping assembly is fixed to the inner wall bottom of the first simulation compartment. The inside front end of the testing box is sequentially fixed with a display platform and a transverse sliding rail from back to front. The pineapple collision damage testing machine with the separation comparison function is provided with a picking mechanism, a cleaning mechanism and a conveying mechanism, which are used for simulating the working conditions of pineapples in picking, cleaning and conveying processes respectively, so that the random collision of pineapple fruits in the above working processes is simulated. Then, an external high-definition camera is used to shoot the images of the pineapple fruits after each working process, so that the maximum preservation period of the pineapple fruits after different picking working processes and working processes is determined, and the pineapple fruits after working processes are conveniently and timely treated.
Owner:AGRI MACHINERY INST CHINESE TROPICAL ACAD OF SCI

Pineapple ripening process

The invention relates to the technical field of fruit ripening acceleration, in particular to a pineapple ripening acceleration process which comprises the following steps: refrigerating pineapples of which the ripening grade is grade 1 in an environment of which the temperature is 7-10 DEG C and the relative humidity is 85-90%; taking out the pineapples from the refrigeration environment, raising the temperature of the pulp to 25-30 DEG C at the temperature raising speed of 1-2 DEG C / h, and keeping the constant temperature for 5-8 hours; the processed pineapples are placed in a relatively closed environment, and environment parameters are regulated and controlled according to the target maturity grade; placing the ripened pineapple pulp in an environment with the temperature of 10-12 DEG C, the carbon dioxide concentration of 3000ppm and the humidity of 85%-90%, and keeping the constant temperature for 7-8 hours; and refrigerating the treated pineapples at the temperature of 10 DEG C. Through multi-parameter quantitative control, staged ripening acceleration, a pressure difference circulation system and low-temperature gas cooperative regulation and control, multi-factor precise ripening acceleration, controllable maturity, large-scale efficient production and quality preservation of pineapples are achieved, and various requirements are met.
Owner:XIAMEN SILK WOVEN FLAG TEXTILE COMPANY LIMITED FUJIAN