78 results about "Fast Growth Rate" patented technology

The invention relates to an artificial hybridization fry breeding method for epinephelus fuscoguttatus and pink pink bass, which belongs to the technical field of distant hybridization breeding and comprises the steps of parent selection of epinephelus fuscoguttatus and pink pink bass, parent breeding, parent intensive breeding, gamete collection, artificial insemination, hatching of fertilized eggs and fry breeding. By means of reproductive regulation and distant hybridization technologies, two species belonging to two genera under the grouper family with different geographical distribution and different breeding time are hybridized, namely cross-generic hybridization under the grouper family is achieved, intergeneric reproductive isolation is broken through, and the breeding efficiency is improved. Therefore, new hybridized germplasm with excellent characteristics of high fertilization rate, high hatching rate, high survival rate, high growth speed and the like is cultivated.

The invention belongs to the technical field of rhizosphere microorganisms, and provides a strain of saline-alkali tolerant rhizosphere growth promoting serratia marcescens and application of the strain of saline-alkali tolerant rhizosphere growth promoting serratia marcescens in growth promoting and repairing of saline-alkali soil. The strain not only grows fast, but also has growth promoting functions such as nitrogen fixation, phosphorus solubilization and potassium solubilization. The strain is preserved in the China General Microbiological Culture Collection Center on March 11, 2025, called CGMCC for short, the address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the biological preservation number of the strain is CGMCC NO.33793. The SP-38 strain has multiple growth promoting functions, and through salt stress water culture tests and in-situ saline-alkali soil pot tests of corn, the strain has good effects in the aspects of improving the crop yield and repairing saline-alkali soil.

The invention discloses an Akkermansia massiliensis LTA21F2 strain and an application of the Akkermansia massiliensis LTA21F2 strain, and belongs to the technical field of microorganisms. The strain is preserved in the Guangdong Microbial Culture Collection Center on December 04, 2022, the preservation address is the 5th floor of the building 59, No.100 Courtyard, Xianlie Middle Road, Guangzhou, and the preservation number is GDMCC No: 63035. The Akkermansia massiliensis anaerobic fermentation bacterial liquid provided by the invention is high in viable count and strong in oxygen tolerance, still has a survival rate of more than 90% after being exposed in air for 12 hours, the viable count in a sample is increased by 25.26% after being stressed by 1.5 M H2O2 for 2 hours, and the strain has a section of characteristic sequence which can be used as a specific molecular marker, and has the characteristics of high growth rate, high viable count and the like when being subjected to enlarged culture in a 200L fermentation tank.

The invention relates to the technical field of microorganisms, in particular to pediococcus pentosaceus for degrading silage fumonisins and application of the pediococcus pentosaceus. The pediococcus pentosaceus is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms, and the preservation number of the pediococcus pentosaceus is CGMCC No. 28710. The pediococcus pentosaceus is high in growth rate, high in acid production efficiency, good in acid resistance and salt resistance, capable of well utilizing different types of carbon sources for fermentation, high in adaptive capacity and free of virulence genes commonly having toxic effects on livestock, the pediococcus pentosaceus serves as a pasture silage additive, the fermentation type is homotype fermentation, and the application range is wide. The pH value of the silage can be rapidly reduced, generation of ammoniacal nitrogen is reduced, the content of fumonisins is efficiently reduced, the fermentation quality of the silage is improved, and wide application prospects are achieved.

According to the haematococcus pluvialis strain and the application thereof, cell wall breaking operation can be carried out more easily when astaxanthin is extracted, astaxanthin can be extracted more effectively, and the cost of natural astaxanthin is reduced. The haematococcus pluvialis RMC16 strain provided by the invention has the preservation number of CCTCC (China Center for Type Culture Collection) NO: M 20241404. The haematococcus pluvialis mutant strain obtained by screening has the characteristics of thin wall, no secondary cell wall, high astaxanthin content and the like, the haematococcus pluvialis mutant strain is high in growth speed and can quickly reach a plateau phase, the individual proportion of parental cells in a population bred by the haematococcus pluvialis mutant strain serving as a parent is higher, the cost required by extraction of natural astaxanthin can be remarkably reduced, and the haematococcus pluvialis mutant strain is suitable for industrial production. The method is suitable for large-scale popularization.

The invention provides metarhizium ledebusii GZFW2211 and an application of the metarhizium ledebusii GZFW2211. The green muscardine fungus GZFW2211 is preserved in Guangdong Microbial Culture Collection Center on February 13, 2025, and the preservation number is GDMCC No: 65784. The spodoptera frugiperda spore suspension is a strain separated from spodoptera frugiperda larvae, the strain is high in growth speed, short in conidium production time and large in spore production quantity, and the prepared spore emulsion suspension is high and stable in pathogenicity to important pests such as spodoptera frugiperda, prodenia litura and agrotis ypsilon. The insecticidal composition can be widely used for preventing and treating pests such as spodoptera litura, prodenia litura and agrotis ypsilon.

A Schizochytrium algae strain rich in n-3 fatty acid and a screening and culture method therefor. Compared with a conventional strain, the content of EPA and the content of n-3 DPA in the provided strain are greatly improved, and the strain has good genetic stability, fast growth rate and good industrialization prospects. Also provided are a culture medium for mutagenesis of Schizochytrium sp., a culture medium for screening Schizochytrium sp., and a suitable mutagenesis method and screening method.

The invention discloses a recombinant escherichia coli strain, a preparation method and application thereof, and a synthesis method of oryzanol A, and relates to the technical field of bioengineering. The recombinant escherichia coli strain takes E.coli BL21 (DE3) as a chassis cell, and is modified as follows: (a) knockout of a gene pfkA; or, the gene pfkA is knocked out, and an untranslated region of the 5'end of the gltA gene is mutated from the sequence as shown in SEQ ID NO: 1 to the sequence as shown in SEQ ID NO: 2; and (b) inserting exogenous genes agmA, agmB, agmC, agmE and agmF, so as to obtain the gene. The recombinant Escherichia coli strain is high in growth speed and short in fermentation period (within 72 hours), a culture medium which is cheap and easy to obtain can be adopted, and compared with an existing Escherichia coli system, the fermentation yield of oryzanol A is obviously increased.

The invention discloses aspergillus niger and application thereof and a preparation method of chitosan. The Aspergillus niger is Aspergillus niger WL08, the preservation number of the Aspergillus niger is CCTCC (China Center for Type Culture Collection) NO: M2025459, and the Aspergillus niger is preserved in the China Center for Type Culture Collection on March 13, 2025. The preparation method comprises the following steps: fermenting the aspergillus niger, extracting the chitin, and deacetylating the obtained chitin to obtain the chitosan. The aspergillus niger provided by the invention has the characteristics of fast thallus growth and high biomass, and further has the characteristics of fast growth speed, low fermentation cost and high chitin content in cell walls in combination with the culture medium and the culture mode provided by the invention. Meanwhile, the chitosan is produced by further combining with a fermentation mode disclosed by the invention, the extraction of the chitosan is greatly facilitated by optimizing a culture medium and fermentation conditions, and the chitosan is high in extraction rate and stable in quality, so that low-cost and efficient chitosan production is realized.

The invention provides a Coxsackie cocori qzb219 strain and application thereof, the Coxsackie cocori qzb219 strain is named as Kosakonia cowaniiqzb219 in taxonomy, and the preservation number of the Coxsackie cocori qzb219 strain is CGMCC (China General Microbiological Culture Collection Center) NO.31519. The coxakella cocori has a good disease prevention effect on tobacco bacterial wilt and tobacco fusarium root rot, and can promote the growth of tobacco seedlings. The coxakella cocori qzb219 disclosed by the invention can be used for efficiently inhibiting the growth of ralstonia solanacearum and fusarium root rot of tobacco, has the activity of amylase and protease, and has the effect of promoting the growth of tobacco seedlings. The strain grows fast, is easy to ferment, and has good compatibility with current main bactericides thiediazole copper and zinc thiazole for preventing and controlling ralstonia solanacearum. The strain can effectively prevent and control tobacco bacterial wilt and tobacco fusarium root rot, has a certain growth promoting effect on tobacco seedlings, and is a biocontrol strain with great market potential.

The invention belongs to the technical field of biological manufacturing, and relates to an Euglena gracilis algal strain ZC-1007 with high yield of beta-1, 3-glucan and a preparation method of the Euglena gracilis algal strain ZC-1007. The preservation number of the algal strain ZC-1007 is GDMCC (China General Microbiological Culture Collection Center) No.66479. The algal strain is high in biomass density, high in growth speed and high in beta-1, 3-glucan yield under the light polyculture condition. The preparation method of the euglena strain comprises the steps of optimizing culture conditions and efficiently screening, and obtaining the euglena strain ZC-1007 with high yield of beta-1, 3-glucan through a specific culture medium and environment control. The strain has a good application prospect in the aspect of efficiently preparing a functional component beta-1, 3-glucan.

The present invention discloses a preparation method of a filtrate of fermentation products of Bifidobacterium longum and its lysate, which relates to the technical field of microorganisms. A strain of Bifidobacterium longum CGMCC No. 31133 with fast growth rate, high cell density, rich and high-content metabolites is obtained through strain mutagenesis and breeding. The strain is used for fermenting to prepare a filtrate of fermentation products and a lysate. The filtrate is rich in acetic acid, lactic acid, amino acids, proteins and Bifidobacterium longum polysaccharides, and has remarkable skin brightening and moisturizing effects. The alkali lysis method is used for cell wall breaking, which not only makes the release of intracellular active substances more complete, but also effectively utilizes the active components of cell walls and cell membranes. The prepared lysate has richer active components and is easy to absorb, further enhancing the antioxidant, anti-aging, skin brightening and repair performance of the lysate. The filtrate of fermentation products and the lysate prepared by the present invention not only have rich active components and excellent performance, but also have a simple process and a short production cycle, and have significant cost advantages in production.

The invention discloses a molecular marker, detection primer and application of a fast-growing trait of Litopenaeus vannamei. The SNP molecular marker significantly associated with the fast-growing trait is located at the 308bp site of the nucleotide sequence shown in SEQ ID NO.1 (i.e., the P2638 site inside the DAN4-like cell wall protein encoding gene dan4), and the genotype of the site includes G / G, A / A, and G / A types. The prawn individuals with the A / A homozygous genotype of the SNP site have a significantly fast growth rate, the prawn individuals with the G / G homozygous genotype of the SNP site have a relatively slow growth rate, and the prawn individuals with the G / A heterozygous genotype of the SNP site have a medium growth rate. The SNP molecular marker and the molecular marker detection primer of the invention can be used for the evaluation of the characteristics of the growth trait of the population, and can also be used for the selection of prawn individuals with potential growth advantage traits.

The present invention relates to the technical field of aquaculture and breeding of seawater fishes, in particular to an industrialized cultivation method for cephalopholis sonnerati fry, comprising the steps of successively subjecting parent fishes of cephalopholis sonnerati to feed domestication and nutrient enrichment at a water temperature of 25-29°C and under a flowing water condition, so as to obtain parent fishes with fully developed gonads, etc. The present invention takes strict measures for fry quality control and infectious disease prevention and control during industrialized workshop cultivation, so as to effectively optimize the growth conditions of fry, thus increasing the growth rate and improves the health conditions and adaptability of fry while reducing the risk of diseases. By means of standardized breeding management and technical means, the growth environment and feeding management of fry can be controlled, thus effectively improving production efficiency. The cultivated cephalopholis sonnerati has the advantages of fast growth rate, high disease resistance, strong vigor, tender and delicious flesh and good market prospects.

The present invention discloses Trichoderma asperellum ZC3 and its application in the degradation of Zanthoxylum bungeanum branches. This strain has a fast growth rate and strong degradation ability. In a liquid filter paper strip culture medium, after culturing at 28 °C for 7 days, the filter paper strip completely disintegrates; in a solid culture medium of Zanthoxylum bungeanum branch powder, after culturing at 28 °C for 40 days, its lignin degradation rate for Zanthoxylum bungeanum branches reaches 78.11%, and the degradation rates of cellulose and hemicellulose reach 82.58% and 75.84% respectively. Under a scanning electron microscope, obvious fiber breakage and structural disintegration phenomena can be seen in the Zanthoxylum bungeanum branches, showing a high degradation ability. In addition, the lignin-degrading bacterium ZC3 has good tolerance to the leaching solution of Zanthoxylum bungeanum branches.

The present invention provides a method for planting cauliflower on a coastal tidal flat with high salt content, and the method for planting cauliflower on a coastal tidal flat with high salt content comprises the following steps: (1) cultivating seedlings: preparing a seedling culture medium and cultivating cauliflower seedlings; (2) leveling the land: turning the soil of the field and applying compound fertilizer; (3) transplanting seedlings: transplanting the obtained cauliflower seedlings to the field and watering and irrigating; (4) field management: applying a crop salt-resistance agent to the cauliflower, and performing weeding and pest control; (5) picking the cauliflower: picking by staged harvesting, and applying a crop salt-resistance agent after each harvest. The planting process of the method for planting cauliflower on a coastal tidal flat with high salt content of the present invention is simple and convenient, the cauliflower grows fast, has a long picking cycle and high yield. The planting method provided by the present invention can fully and effectively utilize the coastal tidal flat, improve the soil of the coastal tidal flat, and improve the economic benefits of cauliflower planting.

The application of Aida gene in the tolerance of Chlamydomonas reinhardtii to copper ion stress, the nucleotide sequence of Aida gene is shown as SEQ ID No 1, the nucleotide sequence of its coding region is shown as SEQ ID No 2; the amino acid sequence of Aida protein encoded by Aida gene is shown as SEQ ID No 3. The Chlamydomonas reinhardtii cell strain obtained after the mutation of Aida gene in the present invention, through the determination of copper ion growth curve and adsorption efficiency, found that the mutant algae strain has faster growth rate, higher adsorption efficiency, and higher copper ion tolerance. The present invention provides convenience for the subsequent in-depth study of how Aida gene affects various oxidative stress reactions and metal transport, the expression and activity of metabolism-related proteins and related stress organelle functions in Chlamydomonas reinhardtii, and will later lay a solid foundation for the theoretical study of the heavy metal copper metabolism mechanism of Chlamydomonas reinhardtii and the application research of heavy metal bioremediation.

The present invention relates to the technical field of ganoderma lucidum, and in particular to a ganoderma lucidum and its specific molecular marker and application. The present invention provides a hybrid strain ganoderma lucidum GZJ10, which has a sterile pore structure on the lower surface of the pileus, does not produce spore powder, has different properties from both parents, has a fast growth rate, high fresh weight of fruiting bodies, high biological conversion rate of fruiting bodies, and large flower shape. No spore powder is produced during the growth process, and it can be used as an excellent variety for cultivating ganoderma lucidum fruiting bodies. The present invention also provides an identification and verification method for hybrid strain specific molecular markers, and the identification and verification method is accurate.

A new and distinct cultivar of Chionanthus retusus tree named ‘CRMTF’ is disclosed, characterized by a fast growth rate, prolific white flowers and dark green foliage. The new variety is easily propagated by softwood cuttings. The new variety is a Chionanthus tree, typically used for landscapes and gardens.

The application belongs to the technical field of biological manufacturing, and relates to a kind of high-yield beta-1,3-glucan fine euglena (Euglena gracilis) strain ZC-1007 and its preparation method. Euglena gracilis ​ The preservation number of the strain ZC-1007 is GDMCC No.66479. The strain has high biomass density, fast growth rate and high yield of beta-1,3-glucan under light mixed culture conditions. The preparation method of the strain includes optimization of culture conditions and high-efficiency screening. Through specific culture medium and environmental control, the high-yield beta-1,3-glucan euglena strain ZC-1007 is obtained. The strain has good application prospect in the efficient preparation of functional component beta-1,3-glucan.

The present invention discloses the application of the PdAKR2A gene in improving the photosynthetic rate and biomass of poplar, belonging to the technical field of poplar genetic engineering breeding. The present invention for the first time discloses that overexpression of the PdAKR2A gene can significantly increase the number of cambium cell layers and the width of xylem in poplar, thereby increasing the plant height and ground diameter of poplar, and thus improving the growth rate and biological yield of poplar; it can significantly increase the net photosynthetic rate, stomatal conductance, transpiration rate and chlorophyll content of poplar; it can significantly increase the lignin and cellulose contents of poplar; the provided PdAKR2A gene can be used as a candidate gene for cultivating new poplar varieties with faster growth rate and better quality, which is of great significance for promoting the sustainable development of forestry in China and alleviating the supply-demand tension in the wood market.

The present application relates to the field of microbial technology, and discloses a spore-producing Metarhizium anisopliae strain and its application in the prevention and treatment of western flower thrips. The Metarhizium anisopliae provided by the present application has a preservation number of CCTCC No. M 20252118, a fast growth rate, a large spore yield, a high spore germination rate, and is easy to be cultured and multiplied in large quantities indoors. The present application can be used as a biocontrol fungus for preventing and treating the invasive agricultural pest western flower thrips, has strong pathogenicity to the western flower thrips nymphs, is safe to the environment, is not easy to make the pests resistant, and has application value.

This invention relates to the field of edible fungi technology, providing a method for breeding enoki mushrooms. The method includes: collecting enoki mushroom strain samples from different regions; conducting morphological observations on the collected strains; culturing the strains on standard culture media; testing the strains' resistance to diseases and pests; selecting strains with fast growth rates, high bioconversion rates, and strong resistance to diseases and pests for hybridization; screening the hybrid offspring to select individuals with round caps, straight stems, and pure white color; purifying the selected individuals through self-pollination; and expanding the cultivation of the finally selected superior strains for wider application and promotion. Through precise control of environmental parameters and strict selection criteria, enoki mushroom varieties with superior traits can be bred more efficiently and accurately, resulting in significant improvements in growth rate, morphological quality, and stress resistance.

The present invention relates to the field of laying hen breeding, and specifically to a green-shell laying hen antibiotic-free composite breeding method, and an antibiotic-free composite prescription composition for breeding green-shell laying hen. There is a synergistic effect between the components of the composition, and compared with other components, the green-shell laying hen fed under the ratio grows faster, has stronger disease and cold resistance, lays eggs earlier, and has a higher egg production.

A new and distinct cultivar of Caladium plant named ‘RSB Rd (BOM) 2319-279’, characterized by its upright plant habit and intermediate to tall in height; moderately dense, leafy and bushy appearance; vigorous growth habit and rapid growth rate; fancy-type leaves with dark red-colored centers and venation surrounded by dark green-colored marginal areas with variable and random yellowish white-colored speckles; and petioles that are tannish pink in color with dark greenish brown-colored markings.

A new and distinct cultivar of Lantana plant named ‘Dolantralapi’, characterized by its initially upright to outwardly spreading and trailing plant habit; vigorous growth habit and rapid growth rate; freely branching growth habit; dense and bushy plant form; dark green-colored leaves; early and freely flowering habit; long flowering period; flowers that are purple to light purple in color with white-colored centers; and good garden performance.

A new and distinct cultivar of Coleus plant named ‘Docoldotomima’, characterized by its compact, upright to somewhat outwardly spreading plant habit; vigorous growth habit and rapid growth rate; freely branching habit; relatively small variegated leaves that are medium green in color with yellow and purplish red-colored centers; and good garden performance.

A new and distinct cultivar of Caladium plant named ‘FRH OF13-246’, characterized by its upright plant habit and tall in height; dense, leafy and bushy appearance; moderately vigorous growth habit and rapid growth rate; fancy-type leaves that have deep red-colored centers surrounded by dark green flushed with dark red-colored marginal areas and dark red-colored venation; and petioles that are close to black in color.

The invention relates to a three-way hybrid grouper new germplasm cultivation method, and belongs to the technical field of grouper genetic breeding. According to the method, epinephelus moara and golden tiger hybridized fries (female epinephelus fuscoguttatus * male epinephelus coioides) are used as breeding materials, three-way hybridization is carried out in a matching mode of female epinephelus moara * male epinephelus coioides, and breeding of three epinephelus genetic species and fry with excellent characteristics is achieved. The method comprises the steps of parent selection, parent fish reproduction regulation and control, parent fish spawning induction, gamete collection, artificial insemination, incubation and fry rearing. According to the method, on the basis of reproductive regulation and crossbreeding technologies, time and space reproductive isolation of the groupers is broken through, and the new grouper germplasm which is high in survival rate, low in malformation rate and high in growth speed is cultivated.

A new and distinct cultivar of Caladium plant named ‘CST OF14-255’, characterized by its upright plant habit and intermediate in height; dense, leafy and bushy appearance; vigorous growth habit and rapid growth rate; fancy-type leaves that are white to greenish white in color with random and numerous dark red-colored spots and flecks with dark green-colored margins and venation; and petioles that are green to tannish green in color with brown-colored stippling and streaks.