45 results about "Bract" patented technology

The invention relates to the technical field of natural product extraction, and provides an extraction process for optimizing bougainvillea speetabilis bract total flavonoids by a response surface method.A bougainvillea speetabilis bract raw material is received and pretreated, a constant-temperature reflux and ultrasonic-assisted extraction technology is adopted, and Box-Behnken design in the response surface methodis combined, so that the bougainvillea speetabilis bract total flavonoids are obtained. Multi-factor interaction analysis is carried out on ultrasonic time, ethanol concentration and a material-liquid ratio, and a second-order polynomial regression model is established to predict an optimal extraction condition. According to the optimized extraction parameter combination, the ultrasonic time is 13.7 + / -0.5 min, the ethanol concentration is 60.0 + / -2.0%, the material-liquid ratio is 1: 29.7 + / -1.0, and under the conditions, the total flavone extraction rate can reach 8.48% or above. According to the method, the extraction efficiency of the bougainvillea speetabilis bract total flavonoids is remarkably improved, the process stability and the resource utilization efficiency are enhanced, meanwhile, the method has good industrial production suitability and technical innovation, and a new method is provided for extraction and utilization of the bougainvillea speetabilis bract total flavonoids.

The utility model provides an active cleaning device for bracts and grains, which comprises a shell, an upper cleaning channel, a middle cleaning channel and a lower cleaning channel are arranged in the shell, and sieve pores are arranged at the bottom of the upper cleaning channel, the bottom of the middle cleaning channel and the bottom of the lower cleaning channel. The side face of the inlet end of the middle cleaning channel communicates with the side face of the outlet end of the upper cleaning channel, the side face of the outlet end of the middle cleaning channel communicates with the side face of the inlet end of the lower cleaning channel, and the top of the upper cleaning channel is open. And packing augers are respectively arranged in the upper cleaning channel, the middle cleaning channel and the lower cleaning channel. By the adoption of the grain cleaning and recycling device, the bracts are conveyed and primarily screened in the upper cleaning channel, then conveyed and actively cleaned in the middle cleaning channel and the lower cleaning channel in sequence, the bracts are discharged from the outlet end of the lower cleaning channel, grains carried in the bracts are completely removed, and the grain cleaning and recycling efficiency is effectively improved.

A new and distinct cultivar of Zantedeschia plant named ‘DO21PW104’, characterized by its upright and broadly arching plant habit; high production of cut flowering stems; large white-colored spathes with light purple-colored lower surfaces and strong and erect scapes; good cut flower postproduction longevity; and relative tolerance to Soft Rot (Erwinia carotovora).

A new cultivar of Cornus florida plant named ‘Elsie Red’ that is characterized by its flowers that are bright red-pink in color (bracts) with yellow centers, its rapid growth habit, its good resistance to powdery mildew, and its flowers that are sturdy and have a high tolerance to wind.

A new and distinct Aechmea plant named ‘A4006’ particularly distinguished by leaves entirely lacking marginal spines; a very compact rosette plant habit, upright inflorescence, positioned well above the foliage; a uniform plant form and high stability through asexual propagation; distinctive bright pink bracts with violet-blue flowers.

The application discloses a cultivation method for improving the growth ability of Phoebe bournei seedlings, and comprises the following steps: step one, seed collecting; step two, seedbed arrangement; step three, soaking treatment; step four, regular water spraying; step five, seedling transplanting; and step six, transplanting. In the step one, first, 20-30 years old mother trees which are strong in growth, free from diseases and insect pests, straight in stem shape, beautiful in crown shape and in fruiting peak period are selected for seed collecting treatment; then, the collected fruits are soaked in clean water for 2-4 hours; then, the skin of the fruits is rubbed; and then, the fruits are rinsed in clean water and the empty bracts, the fruits with insect pests and the unripe fruits are selected. The application uses rice straw or wheat straw to wrap the residual soil in the seedlings, changes the existing wrapping mode of using nutrient bags, is beneficial to providing the nutrients required by the seedlings by using the corrosion of the net, is beneficial to the growth of the roots of the seedlings, thereby not only improves the survival rate of the seedlings after transplanting, but also improves the growth ability of the seedlings.

A new dogwood cultivar of Cornus kousa that is clearly distinguished by its floriferous display of symmetrical dark pink colored floral bracts and attractive dark-green foliage.

This study used extracts from three representative bougainvillea varieties—Pink Panther, Red Cardinal, and Red Saffron—to conduct antibacterial tests against anise anise anthracnose, bitter melon wilt, tomato gray mold, and apple rot, respectively. The corresponding pathogens were Colletotrichum gloeosporioides, Fusarium oxysporum (specific for bitter melon), Botrytis cinerea, and Coriolus fusca. The results showed that the bougainvillea flower extract at a concentration of 5 mg / mL had the best inhibitory effect against Coriolus fusca, the pathogen of apple rot, reaching 100%. This study provides a new approach for preventing and controlling apple rot and Coriolus fusca.

To provide an ornament capable of suppressing a change in time of a shape of a straw flower and a method for producing the ornament.SOLUTION: Strawflower 10 uses the bud-like parts 11 of the involucre leaves, which are cut from the involucre leaves after drying and when they are in an open state. After being picked, the strawflower 10 begins to open from the outer involucre leaves, which dry easily, but the inner involucre leaves continue to dry while still in a bud state. By using the bud-like parts 11 of the involucre leaves, deformation can be suppressed, allowing the beautiful condition to be maintained for a long period.SELECTED DRAWING: Figure 1

The utility model provides a packing auger type bract cleaning device which comprises a shell with an opening in the top, a primary selection conveying groove and a cleaning cavity channel are formed in the shell, a primary selection packing auger is arranged in the primary selection conveying groove, and a cleaning packing auger is arranged in the cleaning cavity channel. The primary selection conveying groove is not lower than the cleaning cavity channel, the outlet end of the primary selection conveying groove is communicated with the inlet end of the cleaning cavity channel, the top of the primary selection conveying groove is communicated with the top opening of the shell, and screen holes are formed in the bottom of the primary selection conveying groove and the bottom of the cleaning cavity channel. According to the utility model, the primary separation auger in the primary separation conveying groove is used for primarily cleaning the bracts, and the cleaning auger in the cleaning cavity channel is used for cleaning the bracts and the residual grains again, so that the grains are fully separated and recycled, and the treatment efficiency is high; when the bracts fall into the cleaning cavity channel from the primary selection conveying groove, the bracts roll and are loosened, the wrapping compactness of the remaining grains is reduced, and the cleaning effect is improved.

The embodiment of the invention discloses a method for screening fluorescent quantitative reference genes of different parts of zingiber mahogany, relates to the technical field of gene detection, and aims to provide effective reference genes for future research on ornamental characters and physiological and biochemical gene functions of zingiber mahogany. The method for screening the fluorescent quantitative reference genes at different parts of zingiber mahogany comprises the following steps: extracting RNA (Ribonucleic Acid) of five parts, namely roots, leaves, lateral buds, bracts and florets of zingiber mahogany 'Bailong' to obtain candidate reference genes; carrying out qRT-PCR (quantitative reverse transcription-polymerase chain reaction) treatment on the candidate reference genes, comprehensively evaluating the expression stability of the candidate reference genes through BestKeeper, NormFinder and geNorm software programs, and screening out target reference genes with stable expression at different parts of the zingiber mairei 'Bailong'; the candidate reference genes comprise at least one of MDH (malondialdehyde), TAP46 (triphosphate synthase 46), EF1 alpha 2, Actin12, 18SrRNA (ribose nucleic acid), GAPDH (glyceraldehyde-phosphate dehydrogenase) and TUB7 (triphosphate synthase 7).

A new cultivar of Euphorbia plant named ‘Miner's Berry Bordeaux’ that is characterized by its new foliage and stems that are very dark burgundy red in color maintaining the color throughout the season with the foliage changing to dark rose pink in the fall before the plant goes dormant, its upright compact plant habit, its clusters of unique dark burgundy involucre bracts surrounding tiny yellow-green floral bracts, its cold hardiness at least to U.S.D.A. Zone 4, and its high resistance to deer.

A new cultivar of Cornus plant named ‘Botfire’ that is characterized by its foliage that is tinged red to bronze with the color persistent throughout fall, its flowers with dark pink to red colored flower bracts, its sturdy trunk, and its viability after chip budding onto Cornus kousa rootstock.

The invention discloses a tissue culture and rapid propagation method of salvia involucrata, and belongs to the technical field of plant rapid propagation. The method provided by the invention comprises the following steps: sterilizing a stem section with a bud point of Salvia involucrata, and then cleaning the stem section with sterile water to serve as an explant; the explants are placed in an axillary bud induction culture medium to be subjected to axillary bud induction multiplication culture, seedlings are obtained, and the axillary bud induction culture medium is a WPM culture medium added with 0.5-1.0 mg / L 6-BA and 0.1-0.2 mg / L NAA; the seedlings are transferred to a rooting culture medium to be cultured, the rooting culture medium is a WPM culture medium added with 0.06-0.08 mg / L of NAA, and rooted tissue culture seedlings are obtained; and hardening the rooted tissue culture seedlings, and transplanting the tissue culture seedlings into a matrix. The method has the advantages of being not limited by environment and seasons, high in propagation speed, large in propagation coefficient, neat and consistent in propagated offspring and high in transplanting survival rate, and has good application prospects.

The invention belongs to the technical field of plant molecular biology and gene engineering, and particularly discloses a Bg.MEW33083 gene for regulating and controlling the flowering phase of a plant and application of the Bg.MEW33083 gene, the Bg.MEW33083 gene for regulating and controlling the flowering phase of the plant is derived from a bougainvillea speetabilis bract, and the gene sequence of the Bg.MEW33083 gene is shown as SEQ ID NO.1. The gene belongs to MADS-box gene family members and has a complete coding region and a conservative structural domain, the high expression of Bg.MEW33083 in bracts is 6.72, the expression of Bg.MEW33083 in flower buds is 2.76, the expression of Bg.MEW33083 in flowers is 0.63, and the expression quantity of Bg.MEW33083 in leaves and stalks is almost 0, which proves that the Bg.MEW33083 gene is specifically expressed in reproductive organs. The method has the functions of promoting precocious flowering of plants and bract development of bract plants, and can be used for regulating and controlling the flowering phase and bract development of the bract plants.

This invention relates to the Bg.MEW_38304 gene regulating plant growth and flowering, its encoded protein, and its applications, belonging to the fields of plant molecular biotechnology and genetic engineering. This gene is derived from *Prunus glabra*, with a full-length CDS sequence of 378 bp. The encoded protein contains a conserved SBP domain, and its nucleotide sequence is shown in SEQ ID NO.1. It was cloned from the bracts of the 'Snow White' variety at the BR3 stage. Bioinformatics analysis, subcellular localization, virus-induced gene silencing, and heterologous overexpression experiments verified that the protein encoded by this gene is located in the cell nucleus and cell membrane. Silencing this gene leads to bract and stem / leaf abortion in *Prunus glabra*, while overexpression promotes growth and earlier flowering in *Arabidopsis thaliana*. This application identifies a key gene for *Prunus glabra* bract development, which can be used to promote plant growth and flowering, and has important application value in the molecular breeding of ornamental plants.

This invention discloses a plant stress-resistance composition and its application, wherein the composition uses calcium chloride and / or betaine as active ingredients. After application, this plant stress-resistance composition can effectively alleviate high-temperature distortion in chrysanthemums, preventing the formation of ectopic bracts under high-temperature stress and reducing the loss of commercial value of cut flowers. Simultaneously, this composition has wide varietal adaptability, low raw material costs, and allows for flexible formulation adjustments for different chrysanthemum varieties, significantly improving economic efficiency compared to physical cooling methods.

A new and distinct cultivar of Euphorbia plant named ‘BONPRI 16P5’, characterized by its relatively compact, upright and mounded plant habit; vigorous growth habit; freely branching habit; relatively early flowering habit; inflorescences with purplish pink-colored flower bracts with lighter purplish pink-colored marginal edges; inflorescences with tight cyathia clusters; and good post-production longevity.

A new and distinct cultivar of Curcuma plant named ‘Maejo Pink Pearl’ is described, characterized by light-yellow flowers with a light-purple stomata and pink lower bracts with a brown stripe. The new variety is a Curcuma, normally used as an ornamental garden or landscape plant.

The invention relates to the technical field of plant extraction, in particular to a device for centrifugally extracting supernatant of rattan bractes.The device comprises a smashing box, two sets of self-cleaning smashing mechanisms are arranged in the smashing box, and each set of self-cleaning smashing mechanism comprises a hollow rotating roller, an air supply pipe and a plurality of sawtooth blades; each group of hollow rollers comprises an air spraying pipe and two end pipes, the air spraying pipe comprises a plurality of air spraying rings, a connecting piece is arranged between every two adjacent air spraying rings, a plurality of air holes are formed in each air spraying ring, a plurality of vent grooves are formed in the outer wall of the air feeding pipe, and an arc-shaped air blocking cover is arranged between each vent groove and the corresponding air spraying ring; in the rotating process of the sawtooth blade, each air spraying ring can generate air flowing towards the side wall of the sawtooth blade, so that crushed aggregates and cell liquid attached to the side wall of the sawtooth blade are promoted to fall down to a discharging opening in an air washing mode, and therefore the raw material amount of the crushed aggregates and the cell liquid entering the centrifugal device is increased; further, the final extracting solution amount is relatively increased.

A new and distinct Aechmea plant named ‘A4005’ particularly distinguished by a compact plant habit with a tightly formed rosette; inflorescence with shorter and denser spikes; a unique blue inflorescence coloration, including bluish bracts and violet-blue flowers; moderate vigor and a uniform growth habit; and an excellent presentation and stability in commercial potted plant production.

A new and distinct Hosta plant named ‘Leaving Me Breathless’ produces medium-sized low mounds. The foliage is in basal rosettes, broadly ovate, leaves with long narrowly acute apices, cordate bases and slightly wavy margins. The leaves are variegated having bluish-green margins and pale-yellow to creamy white centers with intermediate color separation between the margin and center of variably large segments of several shades of chartreuse. The medium-sized leaves have a glaucous matte top and bottom. The broadly campanulate flowers are pale purple with white edges appearing beginning in mid-July. Each flower is attractively subtended by a floral bract that mimics the leaf variegation making the scape showy for long periods. ‘Leaving Me Breathless’ is useful in the landscape, as a container plant, a specimen or en masse.

The invention relates to the technical field of fruit tree cross breeding, and discloses a method for obtaining seeds through artificial pollination of figs. The method comprises the following steps: treating Caprifig type figs by using a plant growth regulator to obtain pollen, and transferring the pollen into fig stigmas by using an artificial pollination dry powder method to obtain seeds. The method comprises the following steps: applying a cytokinin plant growth regulator at the stage that the fruit diameter of the Caprifig type figs is less than 3cm for treatment; harvesting mature Caprifig type fruits, separating anther, drying in the shade, and sieving to obtain pollen; fully mixing pollen and starch to form a pollen working agent in a dry powder state; at the stage that the diameter of the pollinated fig fruit is 1-3 cm, a pollen working agent is sprayed into a fruit cavity through a bract opening, so that the pollen working agent is attached to the stigma of a female flower; after the fruits are ripe, harvesting and water-selecting to obtain seeds. By means of the method, pollen with vitality can be obtained, artificial pollination and fruiting of the figs can be achieved, and the method is suitable for fig cross breeding and fruit improvement.

A new and distinct cultivar of Tillandsia plant named PREZIOSA is disclosed, characterized by solid growth habit, funnel-form rosette plant, measuring about 30 cm in height (above the pot when flowering); numerous green colored foliage, measuring about 40 cm in length and about 3 cm in width; superior floral bract production; bracts have unique red-purple inflorescence; and long-lasting habit. The new variety is a Tillandsia, typically produced as an ornamental plant.

A new and distinct cultivar of Curcuma plant named ‘Maejo Green Pearl’ is described, characterized by slender foliage, pale-green upper bracts with dark-green margins, and green lower bracts with a red-brown stripe. The new variety is a Curcuma, normally used as an ornamental garden or landscape plant.

A kind of cultivation method for preventing and treating the tip-burning of summer flower bracts of Amaryllis, wherein when the flower sword of Amaryllis is about 14-18 cm long, the whole plant is sprayed with mixed agent I of nano-kaolin, nano-montmorillonite and polyalkylene modified heptamethyltrisiloxane, and after 3-4 days, the whole plant is sprayed with mixed agent II of 25% double acylic acid amide, 5% emamectin benzoate and kaolin; one day before harvesting, the whole plant is sprayed with mixed agent III of 25% double acylic acid amide, 5% emamectin benzoate and polyalkylene modified heptamethyltrisiloxane.The present application improves the resistance of flower bracts of Amaryllis to high temperature and strong light, reduces the occurrence of tip-burning of flower bracts, and improves the quality of cut flowers of Amaryllis in summer cultivation.

This invention relates to the field of plant genetic engineering, specifically providing a method for regulating the synthesis of betaine in bougainvillea bracts. BbMYB69 Genes and their encoded proteins and their applications. This invention constructs a gene based on VIGS technology. BbMYB69 Gene-specific silencing vector pTRV2- BbMYB69 After Agrobacterium-mediated infection of bougainvillea bracts, the incidence of disease can be significantly reduced. BbMYB69 The expression level of the gene caused a significant fading of the red bracts of bougainvillea, and the betalain content in the bracts was significantly lower than that in the control group. This invention clarifies for the first time that... BbMYB69 BbMYB69 The gene's core regulatory function in betalain synthesis in bougainvillea bracts provides a novel gene target and technical means for molecular breeding of bougainvillea flower color. At the same time, it provides important evidence for the study of transcriptional regulation mechanism of betalain synthesis in caryophyllales plants, and has significant scientific research value and industrial application prospects.

A new and distinct cultivar of Lavandula plant named ‘IB510-17’, characterized by its relatively compact and upright to somewhat outwardly plant habit; freely branching growth habit, dense and bushy appearance; freely flowering habit; violet-colored flowers with large light purple-colored sterile flower bracts arranged on short terminal spikes; relatively short peduncles; and good garden performance.

A new and distinct cultivar of Lavandula plant named ‘Anouk Deluxe 201909’, characterized by its compact, broadly upright and uniformly mounded plant habit; freely branching growth habit; dense and bushy appearance; freely flowering habit; purple-colored flowers with showy light purple-colored terminal flower bracts positioned on short, strong and erect peduncles; and suitable for outdoor garden use.

A new and distinct cultivar of Curcuma plant named ‘Maejo White Pearl’ is described, characterized by light-yellow flowers with a light-purple stomata, and green lower bracts. The new variety is a Curcuma, normally used as an ornamental garden or landscape plant.