320 results about "Inflorescence" patented technology

The invention relates to the technical field of pineapple planting, in particular to a management and control method for reducing malformed fruits caused by non-development of pineapple kernels. The management and control method comprises the steps of regulating and controlling nutrition before a flowering period, optimizing a microenvironment in a flowering period, strengthening management in a young fruit period and comprehensively preventing and controlling diseases and insect pests. The operation of regulating and controlling the nutrition before the flowering stage comprises the following steps: supplying a water-dispersible slow-release fertilizer by adopting a drip irrigation system from a seedling stage to a flowering accelerating stage; the mass ratio of nitrogen to phosphorus to potassium in the water dispersible slow-release fertilizer is 1: (1.1-1.3): (1.4-1.6); the operation of optimizing the microenvironment in the flower forcing period comprises the following steps: forcing flowers in cloudy days at the temperature of 18-25 DEG C or at dusk; after the inflorescence develops, a mixed solution of ethephon and gibberellic acid is adopted for core filling; the operation of strengthening young fruit stage management comprises the following steps: in a young fruit stage, spraying a mixed aqueous solution of sugar alcohol calcium and monopotassium phosphate to leaf surfaces; the operation of comprehensively preventing and controlling diseases and insect pests comprises the following steps: covering with breathable insect-preventing fruit bags 20 days after flowers wither, and releasing natural enemies to control the cardinal number of pests.

The invention relates to the field of plant cultivation, and particularly discloses a lifting type high-density strawberry annual production method capable of breeding seedlings in spring and summer and fruiting in autumn and winter, which comprises the following steps: planting strawberry stock plants on a lifting type high rack after cold demand accumulation, and carrying out long-day high-temperature treatment to promote stolons to grow; cutting the seedlings formed on the stolons into a hole tray placed on a high rack in a pressure drawing manner, cultivating until the root system is robust, and cutting off the stolons; the obtained child seedlings are new seedlings, and the mother plants are old seedlings; and processing the new seedlings and the old seedlings at low temperature and short day in autumn and winter so as to enable the new seedlings and the old seedlings to bud and bear fruits in autumn and winter of the current year, and harvesting the strawberries mature in the next year. According to the method, strawberry stock plants are subjected to low-temperature refrigeration treatment before field planting, it is ensured that stolons are bred in spring and summer, plug seedlings needed by production are cultivated, meanwhile, the stock plants are kept to continue to bear fruits, tillering increase, inflorescence increase and fruit increase are promoted due to the fact that a large number of stolons grow, and the high-yield effect is achieved.

The present invention belongs to the technical field of plant pollination devices, and particularly relates to a handheld electric fruit tree pollinator and a pollination method. The handheld electric fruit tree pollinator includes: a depth camera (1), a lateral vibration motor (2), a lateral vibration motor cover (3), a solenoid valve (4), a solenoid valve cover (5), a sealing ring (6), a filter screen (7), a filter screen connecting piece (8), a fluff brush connecting piece (9), a fluff brush (10), a longitudinal vibration motor cover (11), a longitudinal vibration motor (12), a powder chamber cover (13), a powder chamber (14), an elastic rod (15), a screw (16), a multi-joint arm hand rod (17), and an intelligent controller (18); the present invention is convenient to carry and simple to operate; the solenoid valve is closed in the non-working state, reducing pollen waste; based on the pollination principle of insects (bees), the pollen is charged with static electricity through the fluff brush and high-frequency vibration, improving the pollination success rate and reducing the damage to the inflorescence.

The invention discloses a cone inflorescence type fruit tree flower three-dimensional reconstruction male and female flower counting method and system, and the method comprises the steps: S1, collecting an image sequence, shooting an inflorescence video through a camera, and extracting the video into an image frame by frame; s2, image preprocessing and camera parameter estimation: preprocessing the inflorescence image, and acquiring a camera parameter corresponding to each image by using a COLMAP tool; s3, a D-NeRF model is trained, and multi-modal three-dimensional reconstruction of the inflorescence point cloud is carried out by using the D-NeRF model; s4, the three-dimensional point cloud output by the D-NeRF model is optimized and marked; s5, training a PointNet + + model, and performing male and female flower identification and counting by using the PointNet + + model; and S6, dividing a data set, and adopting a Bayesian optimization algorithm to adjust and optimize key hyper-parameters in the training process of the D-NeRF model and the PointNet + + model. According to the invention, through integration of NeRF reconstruction, point cloud processing, deep learning target detection and mobile terminal deployment, three-dimensional reconstruction of fruit tree inflorescence and male and female flower identification and counting are realized.

The invention belongs to the technical field of rape breeding and molecular biology, and discloses a molecular marker related to main inflorescence pod density (SDMI) and application of the molecular marker, the sequence of a forward primer for amplifying the molecular marker is 5 '-CCTAACCACCTACGCTGAG TTATATATAGATT-3', and the sequence of a reverse primer for amplifying the molecular marker is 5 '-TAG TCTGTAAATTTATTATGAGCTTCCTTGTCTT-3'. The total DNA (deoxyribonucleic acid) of a single rape plant is used as a template, and PCR (polymerase chain reaction) amplification is carried out by using the primer sequence, so that two bands of 279-bp and 254-bp can be obtained; the rape single plant only having a 279-bp single band is a sparse fruit individual, and the rape single plant only having a 254-bp specific band is a dense fruit individual. The molecular marker developed by the invention can be used for identifying and predicting the pod density, the operation is simple and convenient, the method is easy to implement, the offspring selection is more targeted, and the selection efficiency is improved.

The invention discloses a China rose inflorescence whole genome SNP molecular marker combination and application thereof. A traditional breeding method for improving China rose inflorescence characters is time-consuming and labor-consuming, and ideal plants are difficult to obtain quickly. The SNP molecular marker technology is utilized, 358 Chinese rose materials and inflorescence phenotype data are analyzed through whole genome association, 1574 SNP loci remarkably related to inflorescence are screened out, a whole genome selection model with the prediction accuracy larger than 0.743 is constructed, and inflorescence characters can be effectively predicted. Meanwhile, a corresponding probe is synthesized to be used for capturing and sequencing, the capturing efficiency is high, the coverage depth is good, the SNP sites related to the rosa chinensis inflorescence can be accurately detected, an efficient technical means is provided for rosa chinensis genetic improvement and new variety cultivation, and the development of the rosa chinensis industry is assisted.

The invention discloses a nondestructive testing method and system for pesticide residues of field drinking chrysanthemum, and the method comprises the steps: obtaining hyperspectral reflectivity data of leaves of the drinking chrysanthemum in a key growth period after pesticide drip irrigation, and carrying out data preprocessing; a quantitative estimation model of the leaf hyperspectral reflectivity and the leaf clothianidin actually measured content is constructed through statistical modeling; determining a regression model equation of the clothianidin content in the leaves and inflorescence by using actually measured data, and calculating the inflorescence residue level according to a leaf detection result; a drinking chrysanthemum clothianidin residue early warning threshold value is set, the hyperspectral reflectivity of drinking chrysanthemum leaves is collected through hyperspectral equipment and input into the model, and drinking chrysanthemum clothianidin residue early warning is achieved; according to the method, early warning of pesticide residues is achieved before chrysanthemum harvesting, especially field rapid screening and quantitative analysis of novel pesticides such as clothianidin are achieved, the technical blank of an existing hyperspectral technology in pesticide residue detection and application of medicinal plants is filled up, and the chrysanthemum quality safety guarantee level is improved.

The invention discloses an inflorescence gene silencing method which comprises the following steps: firstly, synthesizing a specific nucleotide fragment according to a target gene, and constructing the specific nucleotide fragment to a plant virus vector; introducing the constructed plant virus vector and the corresponding helper plasmid into the inflorescence; soaking the inflorescence in a metal chelating agent salt solution; and finally, screening to obtain plants with inflorescences subjected to target gene silencing. The chrysanthemum capitulum is selected as an infection object, the silencing method is optimized, the target gene silencing efficiency is remarkably improved, the phenotype detection period after infection is remarkably shortened, and the method is efficient, convenient and high in operability. Meanwhile, the method can effectively avoid the cross protection phenomenon of plants, overcomes the obstacle of limited transmission range of viral vectors, does not need to consider the problems of death and growth cycle of tissue culture seedlings or seedlings after infection, and provides a feasible means for rapid identification of chrysanthemum gene functions and large-scale development of chrysanthemum gene function research.

The invention provides a papaya CpMp gene, a protein, a primer pair, a recombinant expression vector and application, and belongs to the technical field of plant genetic engineering. The nucleotide sequence of the papaya CpMp gene is as shown in SEQ ID No. 1. The papaya CpMp gene has the effect of regulating and controlling the length of inflorescence stalks. According to the present invention, by using the difference of the CpMp gene on the Y chromosome and the Yh chromosome, i.e., the 4691bp transposon insertion exists on the CpMp promoter on the Yh chromosome, and the transposon insertion does not exist on the CpMp on the Y chromosome, the CpMp gene is adopted as the molecular marker to distinguish the male plant from the male-female plant, and the difference can be used in the early sex verification work of the papaya;

The invention discloses a cultivation method for controlling tips and promoting flower bud differentiation of syzygium samarangense, and belongs to the technical field of tip control cultivation of syzygium samarangense. The method comprises the following steps: slightly shearing 70-80 days before flower forcing in the wax apple production period, applying a phosphorus-potassium-silicon mixed fertilizer in holes on the ground, and applying the fertilizer once every 15 days, totally twice; then a mixed aqueous solution of potassium phosphite and paclobutrazol is sprayed to leaf surfaces and drips water, spraying is conducted once every 15 days, and spraying is conducted 2-3 times in total; after spraying is conducted for 5-7 days, closed girdling is conducted, after 40-45 days, a mixed aqueous solution of auxin and a plant nutrition regulator is used for spraying, spraying is conducted once every 15 days, and spraying is conducted 1-2 times in total. The silicon fertilizer is mixed and added in the fertilizer and water management period to assist in increasing the absorption and utilization rate of the phosphorus-potassium fertilizer; besides, through the synergistic effect of tip control, trunk girdling and a mixed aqueous solution of auxin and a plant nutrition regulator, syzygium samarangense plants are stable, flower bud differentiation is promoted, meanwhile, the method has the characteristics of disease resistance, disease prevention, high flower forcing and flowering rate and large inflorescence amount, and the important effects of annual flowering and fruiting and promotion of syzygium samarangense industry synergy can be achieved; the method has the advantages of simple operation process, high efficiency, stability, few use times and labor cost saving.

The new and distinct hardy perennial plant, Heliopsis ‘Touch of Blush’, has dense, rounded, mound habit with extensively-branched, predominately strong upright stems that resist lodging. The foliage is narrowly ovate to broadly lanceolate with green surrounding the veins and near white between the veins and the young foliage shows a reddish-purple blush. Inflorescences have a single layer of overlapping, golden-yellow ray florets and dark-brownish central disk florets. The new plant is freely flowering and begins blooming in early summer and continues for about six weeks. The new plant is useful in the landscape en masse, as an accent, in containers, or as cut flowers.

A new cultivar of Rudbeckia plant named ‘RUDBSS851’ that is characterized by its ng and sturdy stems, its compact plant habit, its flowering that starts early in the season, its inflorescences with numerous ray florets covering the flower, disc florets are present but not visible as they are fully covered by the ray florets, its ray floret colors that are yellow-orange with the lower half greyed-purple and the tip tinged greyed-red, and its large flowers.

This invention relates to a new and distinct variety of strawberry plant named ‘BG-15.490.061’. This new strawberry plant named ‘BG-15.490.061’ is primarily adapted to the growing conditions of the central coast of California, and is primarily characterized by its orange red to red fruit color, medium fruit size, conical fruit shape, with slight differences between primaries and secondaries; fair fruit flavor, with seeds typically held even the surface; medium to large plant size, with medium plant density; medium yellow green foliage color, with slightly concave to flat cross section; and fruiting trusses typically held even to below the plant, with little to no anthocyanins and weak pubescence.

The present invention relates to a method for plant genome modification of at least one plant cell being in the developmental stage of a plant immature inflorescence meristem (IIM) cell, wherein the modification of the specific cell type is achieved by providing a genome modification or editing system, optionally together with at least one regeneration booster, preferably wherein the effector molecules are introduced by particle bombardment. To this end, new artificial and precisely controllable booster genes and proteins are provided. Further, the modified plant cells are regenerated in a direct or an indirect way. Finally, methods, tools, constructs and strategies are provided to effectively modify at least one genomic target site in a plant cell, to obtain the modified plant cell and to regenerate a plant tissue, organ, plant or seed from the modified plant cell.

The present invention provides a mango embryo-promoting agent and an embryo-promoting method, belonging to the field of plant planting technology. The mango embryo-promoting agent includes an inflorescence development stage embryo-promoting solution I; the formula of the inflorescence development stage embryo-promoting solution I includes: MS culture solution, AVG, GA3, imidacloprid, spinetoram, 6-BA, and KH2PO4; the mango embryo-promoting method comprises applying the mango embryo-promoting agent during the mango planting process to promote mango embryo development. The mango embryo-promoting agent and the embryo-promoting method of the present invention can reduce the proportion of mango embryoless fruits to about 80%, a reduction of about 10%.

The present invention relates to the field of biotechnology and relates to a kind of alfalfa MsCAL Gene, and its application, MsCAL The nucleotide sequence of the gene is shown in SEQ ID No.29. MsCAL The gene is specifically expressed in the plant stem apex, with the highest expression level in the floral organs during the reproductive growth stage, indicating that it is specifically involved in the plant flowering process. MsCAL Gene overexpression caused transgenic Arabidopsis to flower early, become dwarfed, and have fewer rosette leaves. In addition, the transgenic Arabidopsis changed from an indeterminate inflorescence to a finite inflorescence. Quantitative results of known genes regulating flowering time and floral organ development in Arabidopsis showed that MsCAL It can regulate the expression of downstream flowering and flower organ development related genes. MsCAL The expression delayed flowering, reduced crude fiber and lignin content, and increased forage digestibility and crude protein content.

This invention relates to the field of fruit tree pollination equipment, specifically to an integrated device for precise pollination of pear tree inflorescences and constant temperature maintenance of pollen activity. The device includes a guide tube, with a constant temperature tube sleeved outside the guide tube and fixedly connected to it. One end of the guide tube has a gas path switching component for switching gas flow direction. The gas path switching component includes a switching cavity fixedly connected to one end of the guide tube, with several air inlets on the sidewall of the switching cavity. The end of the switching cavity away from the guide tube is fixedly connected to the inner sidewall of the constant temperature tube, and the end of the constant temperature tube away from the switching cavity has several exhaust holes. A T-shaped slider is slidably fitted onto the inner sidewall of the switching cavity. This invention, through the gas path switching component and the telescopic guide hood assembly, solves the problems of poor pollen activity maintenance due to large temperature fluctuations before spraying and during transport in existing pear tree inflorescence pollination processes, as well as inaccurate pollination caused by external wind disturbances during pollination.

A new and distinct cultivar of Bidens plant named ‘DPWBIDCAPR’, characterized by its upright to outwardly spreading and uniformly mounding to semi-trailing plant habit; moderately vigorous to vigorous growth habit; freely branching habit; dense and bushy plant form; freely flowering habit; long flowering period; single-type inflorescences; inflorescences with solid dark red-colored ray florets that with subsequent development become dark reddish orange (distally) and yellow (proximally) bi-colored; and good garden performance.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of a PoPILS1a gene in regulation and control of plant seed development. The coding sequence of the PoPILS1a gene is as shown in SEQ ID NO: 1. According to the invention, the specific expression of the peony PoPILS1a in seed tissues is found for the first time, the expression levels are greatly different in different development stages, and the PoPILS1a protein is positioned on a cell endoplasmic reticulum. In an arabidopsis thaliana positive strain with over-expression of PILS1a, the epiphytic point between pods is obviously shortened, the number of pods with limited inflorescence length distribution is larger, meanwhile, the lengths and the weights of the pods at the corresponding positions are obviously different compared with those of a contrast, and it is clear that PILS1a can promote development of fruits and has good practical application value.

The new and distinct hardy perennial Heliopsis plant named ‘Rays for Days’ with dense, rounded, extensively-branched habit, strong, tall, upright stems that resist lodging. The foliage is medium green and broadly ovate to narrowly deltoid. Freely-flowering double inflorescences in a capitulum with multiple rows of golden-yellow, overlapping, ray florets beginning in early July and continuing for about 6 weeks. The new plant is useful in the landscape en masse, as an accent, in containers or as cut flowers.

The invention relates to the technical field of sugarcane spica monitoring, and discloses a sugarcane spica flowering intelligent monitoring system, which is characterized in that a hyperspectral image and an infrared image are acquired, the hyperspectral image and the infrared image are acquired and registered into a multi-source image data set, and a spica area binary mask image is segmented; extracting morphological structure characteristics, spectral reflection characteristics and thermal radiation characteristics, calculating a visibility index KJ, a wave band reflectivity BS and a radiation temperature value FP based on the extracted characteristics, calculating a determination value P, and comparing the determination value P with a hybridization threshold ZY; according to the method, the hyperspectral image and the infrared image of the sugarcane spica are collected, the hyperspectral image obtains the fine spectral reflection characteristics of the sugarcane spica so as to analyze the physiological state of the sugarcane spica, and the infrared image is used for assisting in obtaining the overall shape, contour and thermal radiation information of the spica, and especially, the image characteristics are enhanced in a weak light environment; therefore, the sugarcane spica area can be accurately identified, and the effective distinguishing between the spica and the background can be realized.

A new and distinct Rudbeckia hirta plant named ‘Summer Sienna’ characterized by its semi double inflorescence with deep orange yellow and dark red ray florets, medium rounded upright growth habit, and excellent vigor from spring through fall.

The invention discloses an application of a related gene Zm00001eb129860 in the flowering period of corn in regulation and control of flowering transformation. According to the invention, a high-expression gene Zm00001eb129860 related to the flowering period of corn is screened from transcriptome data of inflorescence meristem in a key period of flowering transformation of corn, the gene affects the change process of the flowering transformation of corn, and a gene knockout mutant plant has a late flowering phenotype; when the gene is over-expressed in a corn plant, a transgenic plant with early flowering transformation can be obtained, so that the flowering period of the corn is shortened, genetic improvement and breeding of the plant are facilitated, and the gene has important significance for promoting early flowering of the corn. It is indicated that Zm00001eb129860 plays an important role in advancing corn flowering transformation, can be used for regulating and controlling the flowering period of plants through a transgenic technology, facilitates cultivation of early flowering plants and facilitates genetic improvement of the plants.

A new and distinct cultivar of Phalaenopsis plant named ‘Helix Bridge’, characterized by its upright plant habit; moderately vigorous growth habit; strong flowering stems; healthy and sturdy leaves; freely flowering habit with typically two inflorescences developing per plant, each inflorescence with numerous flowers; flower petals and sepals that are reddish purple in color; and good postproduction longevity.

A new cultivar of Leucanthemum plant named ‘Real Jewel’ that is distinguishable by its dense clumping basal-branching and upright plant habit and numerous long and narrow dark green leaves.A fully expanded inflorescence of ‘Real Jewel’ is shallow cylindrical in shape and consists of approximately 60 ray florets borne in three concentric whorls surrounding approximately 400 yellow disc florets massed in a receptacle. Flowering of ‘Real Jewel’ commences in April and continues until October. The ray florets of ‘Real Jewel’ are lightly quilled towards the receptacle and then free and held slightly above the horizontal as they emerge from the perimeter of the disc and expand.‘Real Jewel’ is hardy in USDA Zone 5 to (−20° F. or −28° C.). The foliage of ‘Real Jewel’ does not wilt in dry conditions.

A new and distinct cultivar of Phalaenopsis plant named ‘PHA379819’, characterized by its compact and upright plant habit; moderately vigorous growth habit and moderate growth rate; strong flowering stems; freely flowering habit with typically two inflorescences developing per plant, each inflorescence with numerous flowers; narrow to medium white-colored flowers; and good postproduction longevity.

A new and distinct cultivar of Sanvitalia plant named ‘Dosansusugo24’, characterized by its relatively compact, semi-upright and mounding plant habit; relatively moderately vigorous growth habit; freely branching habit; early and freely flowering habit; inflorescences with bright yellow-colored ray florets and yellowish green-colored disc florets; and good container and garden performance.

This invention belongs to the field of agricultural biotechnology, specifically relating to a strain of Pseudomonas sp. R10 and its applications. The Pseudomonas sp. R10 provided by this invention is deposited at the China Center for Type Culture Collection (CCTCC), accession number CCTCC M 2024850. This strain exhibits significant control effects against clubroot disease, particularly in rapeseed. Verification through examples shows that Pseudomonas sp. R10 inhibits the germination rate of dormant spores of Pseudomonas by 35.14%. In pot experiments, it reduced the clubroot disease severity index by 53.06%. In field trials, treatment of rapeseed with R10 solution reduced the clubroot disease severity index by 39.45%, and significantly increased plant height, rootstock diameter, fresh weight, number of effective branches, and number of effective siliques in the main inflorescence compared to the control plot. R10 solution treatment also increased rapeseed yield by 59.86% and thousand-grain weight by 7.25%.

A new and distinct cultivar of Catharanthus plant named ‘Suncath 842, characterized by its upright to outwardly spreading and uniformly mounding plant habit; vigorous growth habit; freely basal and lateral branching habit; freely flowering habit; long flowering period; double-type flowers with purple-colored petals and petaloids; and good garden performance.

A new Pentas plant named ‘PEZZ0023’ particularly distinguished by the large sized inflorescences and flowers, with pink flowers, dark-green foliage, semi-trailing, sturdy and vigorous growth habit, thick stems and branches on a well-branched plant, tolerates hot summer conditions with continuous summer flowering.