206results about How to "High infection rate" patented technology

A surgical anchor is provided with one or more anchor holes distributed around the head of the anchor. Each anchor hole is inclined to allow attachment of one or more sutures to the anchor either before, during or after the anchor is seated in a bone. The upper and lower apertures of each anchor hole are chamfered, and the chamfered areas from the anchor hole to the outside edge shall be polished or somehow smoothed to remove sharp edges and rough areas which may cause friction and abrasion to soft tissue or suture material. The lower surface of the anchor head may be angled to further simplify the task of feeding a surgical needle through the anchor hole after the anchor is seated into the bone.

The invention relates to a Beaueria bassaria(Balsamo)Vuillemin SCWJ-2 strain and a culture method thereof, a spore powder prepared from the strain and application of the spore powder in preparing a biocontrol preparation. The biocontrol preparation can be used for preventing and treating sweetpotato whitefly, Frankliniella occidentalis, Neotoxoptera formosana and / or peach aphid. The biocontrol preparation can be used for preventing and treating insects in a high-temperature environment, and has favorable preventing and treating effects; and the field control effect is higher than 75%.

The invention discloses a mycorrhizomata fostering method of Chinese and Indian mushroom, which comprises the following steps: collecting mushroom bacteria; gathering host plant seed such as Yunnan pine, mountain Hua pine and chestnut; disposing the host plant seed; breeding the host plant; inoculating the bacteria; cultivating the bacteria; detecting. The invention reduces the infectious rate of bacteria, which satisfies the living need with wide market prospect.

The invention discloses a sand seedling planting method. The sand seedling planting method includes the following steps of (1) soaking bare roots of seedlings to be planted in water for 6-12 hours, (2) mixing clayed soil and water according to the volume ratio of 1:3, and adding arbuscular mycorrhizal fungi in the mixture to form a slurry, wherein the mass ratio of the mixture and the arbuscular mycorrhizal fungi is 100:5-10, (3) dipping the bare roots of the seedlings to be planted in the slurry of step (2) for 3-5 minutes after the bare roots are soaked in the step (1), and then planting. Experimental results show that compared with a traditional planting method, the method is used for planting the seedlings in sand soil, the infection rate of mycorrhizae can be improved by 10%, and the surviving rate of the seedlings can be improved by 20-30%. Therefore, the sand seedling water-retaining inoculation planting method has important practical significance in sand ecological restoration.

The invention discloses an improved efficient white muscardine silkworm cultivating method. The method includes the following steps that silkworms are bred, beauveria bassiana spore suspension is sprayed on the surfaces of the silkworms within the 0-2h after the four-instar moulting silkworms molt, the silkworms die due to attack of diseases after five days to six days, the dead silkworms are picked out for further muscardine, and the silkworms are aired or dried to obtain muscardine silkworms. The varieties of the silkworms are Haoyue, Taiyuan and Hang 7. The silkworm varieties poor in tolerance of beauveria bassiana are screened out to serve as the varieties special for white muscardine silkworm production, so that the infection rate of the silkworms is improved. The extreme early stage of the five-instar silkworms newly molting is selected as the optimal period for inoculating the silkworms with the beauveria bassiana, and therefore the infection rate of the silkworms and the yield of the white muscardine silkworms are increased.

The invention refers to the technical field of soil recovery, and particularly relates to a method for repairing soil heavy metal pollution by synergy of plants, mycorrhiza and earthworm. The method comprises the following steps: inoculating mycorrhiza fungi to the soil polluted by heavy metal, and then planting specific plants in the soil; at last, inoculating earthworm in the soil at the seedling stage of the plant, and forming a plants-mycorrhiza-earthworm system; repairing the soil. By adopting the plants-mycorrhiza-earthworm system, the technology of repairing soil heavy metal at an original position and a fixed point is established, and the purpose of repairing the farmland soil heavy metal pollution can be realized. The earthworm can improve the infection rate of the mycorrhiza, so as to enhance the repairing function of the mycorrhiza on the heavy metal polluted soil, lighten soil pollution and protect the farm crops from being polluted; and thereby, human health is protected; besides, the method is low in investment, easy to master the technology, high in product additional value, quick in investment return, and very suitable for our actual condition, and can better promote the soil sustainable use and development.

A vaccine for West Nile virus that protects a subject against West Nile infection comprising an a pharmaceutically acceptable carrier and a therapeutically effective dose of an infectious agent selected from the group consisting of: a live attenuated infectious (+) RNA virus designated as WN1415, a vector comprising infectious DNA encoding an infectious (+) RNA molecule encoding the West Nile virus, and the West Nile (+) RNA virus designated as WN956D117B3 (GenBank #M12294).

The invention discloses a method for cultivating citrus container mycorrhiza seedlings by combined application of AMF and PGPR (Plant Growth Promoting Rhinoacteria) bacterium agents. The method comprises the following steps: preparing an AFM mycorrhiza inoculant, preparing a PGPR bacterium agent, disinfecting seedling culturing soil, accelerating germination of trifoliate orange seeds, sowing the seeds and inoculating. According to the method for cultivating the citrus container mycorrhiza seedlings, designed by the invention, the mycorrhiza infection rate of citrus root systems can be improved, nutrients of nutrient soil mineral substances can be activated very well, and the absorption and utilization of nutrients and moisture by the citrus container seedlings are promoted; the citrus container seedlings which have higher stress resistance and survival rate are cultivated; the ordered and rapid growth of industrialized large-batch container seedlings is facilitated, and the seedling culturing period is shortened; citrus trees can benefit from the mycorrhiza growth promoting effect in the whole life and the application amount of chemical fertilizers in the container seedlings is reduced.

The invention relates to a special matrix formula suitable for culturing mycorrhizal tobacco seedling in the condition of flue-cured tobacco seedling by floating system; all the constituents and the volume thereof are as follows: 60 percent of peat, 20 percent of perlite and 20 percent of vermiculite. The formula can improve the comprehensive quality of the tobacco seedling, cultures sound seedlings and has the advantages of wide material sources, easy acquisition, easy matrix preparation, simple production, simple inoculating operation, little fungicide dosage and easy promotion, etc. The culture medium, the inoculating technique and the corresponding Glomus intraradices Smith and Schenck are combined together, infection rate of mycorrhiza is up to over 40 percent and the effect of the mycorrhiza is good.

The present invention provides, among other things, implants including a biocompatible substrate, wherein the substrate includes a plurality of pores, such as trabecular and / or dodecahedral pores, and wherein said implant is configured as a transcutaneous implant. In some embodiments, provided implants may comprise multiple layers with differing pore densities, geometries, and / or distributions.

The invention provides a herpes simplex virus carrier which is separated from the yellow race and lacks one or more than one gene of the gene of coded infection cell multi-peptide 34.5, the gene of coded infection cell multi-peptide 6 and the gene of coded infection cell multi-peptide 47; the virus carrier has high specificity infection rate to the host cells of the yellow race with high reproduction speed and low toxicity, so the virus carrier can be directly used for injecting and dissolving the tumor cells of the yellow race, and carry genomic medicine into the cells of the yellow race to have gene therapy.

The invention discloses a seedling culture device and method for culturing mycorrhizal seedlings. The device comprises an upper layer and a lower layer, a seedling culture chamber is formed in the upper layer, and an inoculant chamber is formed in the lower layer. An opening is formed in the upper portion of the seedling culture chamber, the bottom of the seedling culture chamber is in a screen shape, and a PVC screen or an iron wire screen with the hole diameter being 2 mm is arranged at the bottom of the seedling culture chamber. An opening is formed in the upper portion of the inoculant chamber, the bottom of the inoculant chamber is sealed, and an arbuscular mycorrhizal fungal inoculant is put in the inoculant chamber. During seedling culture, the surfaces of seeds are disinfected with10% sodium hypochlorite or other disinfectants, and the surfaces of the seeds are completely washed with sterile water. A culture matrix or soil is subjected to hot-pressing sterilization, and then sowing and seedling culturing are carried out. The mycorrhizal seedlings are cultured through the seedling culture device, the seedling culture matrix is not mixed with the arbuscular mycorrhizal fungal inoculant, the inoculant only makes contact with root systems of the seedlings, the density of the inoculant around the root systems is increased, the root systems fully make contact with the inoculant, the infection rate of mycorhiza is increased, infection of other infectious microbes is reduced, the use quantity of the seedling culture matrix can be reduced, and the cost can be reduced.

The invention relates to a system and a method for cultivating caterpillar fungus, and specifically provides a system for cultivating caterpillar fungus. The system comprises a Hepialus armoricanus capture device, a Hepialus armoricanus egg screening device connected with the Hepialus armoricanus capture device, an ascospore collection device, a mycelium preparation device, a conidium preparation device, an infection device connected with the ascospore collection device, the mycelium preparation device and the conidium preparation device, and a feeding device connected with the Hepialus armoricanus egg screening device and the infection device. Moreover, the invention provides a method for cultivating caterpillar fungus by virtue of the system. The system and the method for cultivating caterpillar fungus have the advantages that manual operation is reduced, the system and the method are suitable for industrialized production for caterpillar fungus, and caterpillar fungus obtained through the cultivation have a stable yield and high quality.

The invention provides a method for preparing AMF (Arbuscular Mycorrhizal Fungus) capsule fungicide. The method is characterized in that sodium alga acid is used as a basic carrier, a mixture is obtained by matching and mixing multiple fillers such as chitosan, gelatin, glycerol, rice, peat, coal cinder and malt sprout in the basic carrier, a fungicide mixture can be obtained by embedding the fungicide in the mixture after the mixture is sterilized, a spherical object can be prepared by dripping the fungicide mixture into calcium chloride solution in a physical extrusion way, and the AMF capsule fungicide can be obtained after the spherical object is solidified and cleaned. According to the method disclosed by the invention, spores, mycorrhiza and hypha of inner glomus intraradices fungus are embedded in the sodium alga acid, a complete infection process can be completed when the spores, the mycorrhiza and the hypha are seeded in unpasteurized soil, and the infection rate can be increased with the prolonging of the infection time. The method disclosed by the invention has the advantages of simpleness, low cost and low toxicity; an embedding material of the AMF capsule fungicide prepared by the invention can be easily decomposed by microorganism, the preservation time is longer, and the AMF capsule fungicide can be simultaneously and directly seeded in a big field.