59results about How to "Control population" patented technology

This disclosure concerns nucleic acid molecules and methods of use thereof for control of coleopteran pests through RNA interference-mediated inhibition of target coding and transcribed non-coding sequences in coleopteran pests. The disclosure also concerns methods for making transgenic plants that express nucleic acid molecules useful for the control of coleopteran pests, and the plant cells and plants obtained thereby.

This disclosure concerns nucleic acid molecules and methods of use thereof for control of coleopteran pests through RNA interference-mediated inhibition of target coding and transcribed non-coding sequences in coleopteran pests. The disclosure also concerns methods for making transgenic plants that express nucleic acid molecules useful for the control of coleopteran pests, and the plant cells and plants obtained thereby.

A mixture of probiotics effective to reduce the contamination of enteric bacteria in humans and other monogastric animals. The mixture of probiotics includes one or more acid-producing bacteria strains and one or more yeast strains, and may advantageously be supplemented with a source of nutrients, such as prebiotics including fructo-oligosaccharides. In a preferred embodiment, said one or more bacteria strains contain Enterococcus faecium strain NCIMB #10415, and said one or more yeast strains contain NCYC #47 and CNCM I-1079.

This disclosure concerns nucleic acid molecules and methods of use thereof for control of coleopteran pests through RNA interference-mediated inhibition of target coding and transcribed non-coding sequences in coleopteran pests. The disclosure also concerns methods for making transgenic plants that express nucleic acid molecules useful for the control of coleopteran pests, and the plant cells and plants obtained thereby.

The invention discloses Metarhizium anisopliae and application of Metarhizium anisopliae. The Metarhizium anisopliae provided by the invention is Metarhizium anisopliae JF-6213 with CGMCC No. 5952 registered in China General Microbiological Culture Collection Center. The strain (Metarhizium anisopliae) has good production traits and strong spore production capacity, strong insecticidal activity to sugarcane moth borer, good secondary infection to sugarcane moth borer, has 7.44 days LT50 (lethal time of 50%) to 3-4 years sugarcane moth borer; the strain is used for preparing insect killing fungus preparation which can effectively control population quantity of sugarcane moth borer; moreover, Metarhizium anisopliae JF-6213 has strong pathogenicity to brontispa longissima, asiatic migratory locust, leechee stinkbug and Dysmicoccus neobrevipes Beardsley, strong secondary infection capability and high stability and is quite applicable to tropical and subtropical areas.

The described invention provides a gel formulation of a composition comprising at least one insecticide in an amount effective to control an insect larval population, an apparatus for autodissmenination of an insecticide for insect management containing (1) a reservoir (2) a transfer plate and cover, and (3) a mesh component, a method and a system for autodissemination for effectively controlling an insect larval population. Also disclosed is an improvided biphasic autodissemination station for control of undesirable insect populations.

A semiconductor optical device such as a laser or semiconductor optical amplifier (SOA) based on an indium phosphide substrate or equivalent buffer layer. The active layer of the device is based on conventional InGaAs(P) alloy, but additionally includes N in order to increase the operating wavelength to greater than 1.5 μm, preferably to a wavelength lying in the C- or L-band. The active layer composition may thus be denoted In_1-xGa_xAs_yN_zP_p with x≧0.48, y≦1-z-p, z≦0.05, p≧0. The active layer may include a quantum well or multi-quantum wells in which case its thickness is preferably less than the critical thickness for lattice relaxation. In other embodiments the active layer is a “massive” layer with quasi-bulk properties. The active layer may advantageously be under tensile stress, preferably roughly between 1% and 2.2%, to manipulate the light and heavy hole bands. The active layer is typically bounded by barrier layers made of a suitable semiconductor alloy, such as AlInAs or InGaAs(P).

The described invention provides a gel formulation of a composition comprising at least one insecticide in an amount effective to control an insect larval population, an apparatus for autodissmenination of an insecticide for insect management containing (1) a cap component, (2) a cup component, and (3) a mesh component, a method and a system for autodissemination for effectively controlling an insect larval population. Also disclosed is an improvided biphasic autodissemination station for control of undesirable insect populations.

The invention discloses a beauveria bassiana DSXJ-07, which has been preserved with the accession number being CGMCC No.7192. The sequence of an internal trasicribed spacer of the beauveria bassiana DSXJ-07 is represented as the Seq ID No.7192. The invention also provides the application of the strain in prevention and treatment on pests on graminaceous crops, wherein the application is used for preparing a drug for preventing and treating the pests on graminaceous crops. The graminaceous crops include paddy rice, corn, sugarcanes, wheat, barley or forage grass. The pests comprise lissorhoptrus oryzophilus kuschel and asiatic corn borer. A pest killing fungus preparation prepared from the strain can effectively control the population quantity of the lissorhoptrus oryzophilus kuschel and asiatic corn borer.

The invention discloses an artificial breeding method of a Taiwan abdominal cocoon bee. The artificial breeding method of the Taiwan abdominal cocoon bee comprises the following steps: A1, establishing a bee multiplying chamber; A2, acquiring a bee seeding; A3, bee receiving method; A4, rejuvenating bee species; A5, rejuvenating a host. By indoor breeding prodenia litura as expanding propagating host of the Taiwan abdominal cocoon bee, artificial regulating and controlling temperature and humidity and the like, bee adult periods of the prodenia litura and the Taiwan abdominal cocoon bee are identical. A prodenia litura egg mass is utilized to parasitize for the Taiwan abdominal cocoon adult bee to breed the Taiwan abdominal cocoon bee, wherein rejuvenating technology of the bee seeding and host species, breed conservation technology and the like. The artificial breeding method of the Taiwan abdominal cocoon bee aims to artificially breed abundant parasite natural enemy, namely, the Taiwan abdominal cocoon bee and then conducts field release in target pest spawning period and has the advantages of improving field parasitism rate of the target pest, controlling the population quantity of the target pest, reducing crop damage degree, reducing chemical pesticide usage amount, improving yield and quality of agricultural output, and protecting life safety of people and ecological environment safety.

The invention relates to Metarhizium rileyi and application thereof, and belongs to the technical field of microorganisms. The preservation number of the Metarhizium rileyi FJMR1 strain disclosed by the invention is CGMCC (China General Microbiological Culture Collection Center) No. 18552. The Metarhizium rileyi not only has strong pathogenicity on Spodoptera frugiperda larvae, but also has an ovicidal effect, can effectively control the population quantity of Spodoptera frugiperda, and can solve the technical problems that in the prior art, chemical pesticides are adopted for preventing and treating Spodoptera frugiperda in corn to pollute the environment and easily generate drug resistance.

A method of controlling target aquatic microorganism pest populations by exposing the target population to an effective amount of an aquacidal compound. The aquacidal compounds are selected from the group consisting of quinones, anthraquinones, naphthalenediones, quinine, warfarin, coumarins, amphotalide, cyclohexadiene-1,4-dione, phenidione, pirdone, sodium rhodizonate, apirulosin and thymoquinone. The method is particularly effective for treating ballast water of ships or other enclosed volumes of water subject to transport between or among geographic areas to control the relocation of plants, toxic bacteria, and animals contained in the water.

The invention relates to metarrhizum anisopliae for preventing and controlling palm insect rhynchophorus ferrugineus and application thereof. The strain is named metarrhizum anisopliae WENCHANG-LV2 is preserved in the China General Microbiological Culture Collection Center on June 9th, 2013 with the preservation number of CGMCC NO.7692. The metarrhizum anisopliae WENCHANG-LV2 provided by the invention can be applied to rhynchophorus ferrugineus prevention and control. Direct application testing indicates that the metarrhizum anisopliae WENCHANG-LV2 has a good insecticide effect, can be used for effectively controlling the number of species of rhynchophorus ferrugineus, is a biocontrol strain which has a potential meaning in preventing and treating rhynchophorus ferrugineus, and favors the development of palm industry in China.

The invention discloses a biological organic fertilizer prepared from pig-raising blowdown liquid manure. The biological organic fertilizer is characterized by comprising a liquid fertilizer and a granular fertilizer. The biological organic fertilizer disclosed by the invention is in solid-liquid separation, thereby being very convenient all in use, transportation and storage, can be used alone and can further be used in combination of solid and liquid states and can improve the growth of roots and seedlings, thereby having obvious effects on stimulating the rapid growth of crops, enhancing the yield and quality of agricultural products and increasing both yield and incomes. The biological organic fertilizer can effectively control the population quantity of soil-borne pathogenic bacteria and has a strong ability to resist soil-borne diseases, thereby being the high-quality fertilizer for producing green agricultural products.

The invention discloses apolygus lucorum G protein coupled receptor kinase. The amino acid sequence of the apolygus lucorum G protein coupled receptor kinase is shown as SEQ ID NO: 2. The invention also discloses a gene for encoding the apolygus lucorum G protein coupled receptor kinase as well as an acquisition method and application thereof. The invention further discloses dsRNA of the apolygus lucorum GRK gene and application thereof. The dsRNA of the synthesized GRK gene has a remarkable lethal effect on the apolygus lucorum, the population number of the apolygus lucorum is effectively controlled, and a new way is provided for pest control. Meanwhile, the dsRNA is synthesized by using escherichia coli, so that a product can be synthesized in a large scale within a short time, and the defect that a kit cannot synthesize a large amount of dsRNA is overcome. Meanwhile, the apolygus lucorum G protein coupled receptor kinase is low in cost, wide in application range, easy to operate, capable of being repeatedly used and free of limitation.

The invention relates to a control method of potato field weed. The method comprises the following steps: S1, before potato planting: S11, deep ploughing to turn up the soil and S12, applying fertilizer; S2, during potato planting: S21, carrying out sealing treatment on the soil; S22, mulching with a film, and S3, after potato planting: S31, carrying out stem and leave treatment after seedling emergence; S32, carrying out cultivation and earthing up; S33, artificial weeding, and S34, carrying out cultivation and earthing up, and S4, carrying crop rotation. The control method of potato field weed has the advantages of high weed control rate, high potato quality, non-pollution and high safety.

The invention relates to an application of a CTBS (Di-N-acetylchitobiase) protein serving as a target spot of a sperm-egg binding acceptor to screening of a sperm-egg binding inhibitor. According to the application, CTBS is a special sperm-egg binding acceptor on rodent sperm; the CTBS protein only has the specific expression on the sperms of rodents and the protein is not expressed on sperms of human beings; a CTBS antibody can inhibit the sperm-egg binding of mice. The screened sperm-egg binding acceptor is dequalinium chloride and the semi-inhibition constant is less than 100nM. The dequalinium chloride serves as fertility regulation medicine of the mice and the sperm-egg binding of the rodents can be effectively controlled, thus controlling the population quantity of the mice; the aim of controlling mouse damages without pesticides is realized; the damages are not caused when natural enemies of the mice eat the medicine.

The invention relates to an application of rotenone in inhibition of rotifer spawning, and provides a method for preventing and controlling rotifers in microalgae culture. According to the method, the rotifers are monitored and the rotenone is added to a microalgae culture system one time before large-scale spawning of the rotifers, so that the concentration of the rotenone in the microalgae culture system reaches 0.5-2ppm. An experiment proves that the quantity of rotifer eggs (especially fertilized eggs capable of developing into adults) is reduced by 70.1%-91.9% within 24 hours, and the quantity of living rotifers in the microalgae culture system is reduced by 37.0%-75.6% within 96 hours due to the fact that the quantity of the rotifer eggs is inhibited.