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51 results about "Laodelphax striatella" patented technology
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Insecticide susceptibility of the small brown planthopper, Laodelphax striatella Fallen, in Nagasaki Prefecture. Proceedings of the Association for Plant Protection of Kyushu, No. 33:94-97. Ohkubo N, 1981. Behavioural and ecological studies on the migratory flight of rice planthoppers. PhD thesis, Kyoto University, Japan.
Applications of guaiacol in rice stripe disease
Owner:ANHUI YANGZI CHEM
Method for preserving rice black-streaked dwarf virus indoor living bodies
ActiveCN102870743ASolve the technical problems that are difficult to maintain in vivo preservationOvercome technical bottlenecks that are difficult to preserve for a long timeHorticulture methodsAnimal husbandryRice black-streaked dwarf virusTriticeae
The invention provides a method for preserving rice black-streaked dwarf virus (RBSDV) indoor living bodies. According to the principle of the method, wheat serves as a virus source host, small brown planthopper imagoes carrying the RBSDV spread the virus on wheat seedlings, a descendant small brown planthopper nymphs obtain the virus from the wheat, and accordingly a large of small brown planthoppers with the virus are obtained at a short period under indoor feeding conditions. The method effectively overcomes the technical bottleneck in preserving a large number of RBSDV indoor living bodies in a long term, and a series of technical problems that an RBSDV virus source is difficult to preserve continuously through the living bodies, the conventional cycle of obtaining the virus source is long, virus feeding plants cannot be provided for a long term, and minimum of the instar of the virus feeding nymphs is difficult to operate, and the like are solved. The obtained small brown planthoppers with the virus can support rice and corn variety resistance identification at any time and can also serve as RBSDV purification and serum preparation materials, and the problems that materials are difficult to obtain and the virus content is low and the like in conventional purification are solved. By application of the method, research, development and utilization of the RBSDV are greatly accelerated.
Owner:JIANGSU ACAD OF AGRI SCI
Laodelphax striatellus lethal gene fragment Ribosomal protein L9-B based on gene-silencing technology and dsRNA thereof
InactiveCN102220339AResistance to degradationLower synthesis costFermentationPlant genotype modificationRibosomal proteinPest control
Belonging to the field of agricultural biotechnology, the invention relates to a laodelphax striatellus lethal gene fragment. By a laboratory improved dsRNA feeding method, the invention, from laodelphax striatellus, screens out the laodelphax striatellus lethal gene fragment Ribosomal protein L9-B which can lead to laodelphax striatellus death and has sequences as shown in SEQ ID No.1. Feeding laodelphax striatellus with the dsRNA of the gene fragment provided in the invention can have good lethal effect, thus providing sequence and data bases for establishing new strategies of pest control with RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Gene silencing technique based Laodelphax striatellus lethal gene fragment Tubulin and dsRNA thereof
InactiveCN102220340AResistance to degradationLower synthesis costFermentationPlant genotype modificationMortality rateGene silencing
The invention belongs to the field of agricultural and biological technology and relates to a Laodelphax striatellus lethal gene fragment thereof. The invention is to screen the Laodelphax striatellus lethal gene fragment Tubulin, which can lead to the death of Laodelphax striatellus after interference and has a sequence represented by SEQ ID No.1, from Laodelphax striatellus by using a laboratory improved dsRNA feeding method. When the dsRNA of the gene fragment is used for feeding Laodelphax striatellus, the maximum adjusted mortality of the Laodelphax striatellus may reach 67.4 percent, and a sequence basis and a data basis are provided for the construction of a new policy of controlling pests by using RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Gene silencing technology-based lethal gene fragment Chitinase 7 of laodelphax striatellus and dsRNA (double-stranded RNA) thereof
InactiveCN102220343AResistance to degradationLower synthesis costFermentationPlant genotype modificationChitinaseGene silencing
The invention belongs to the technical field of agricultural biology, and in particular relates to a gene silencing technology-based lethal gene fragment Chitinase 7 of laodelphax striatellus and dsRNA (double-stranded RNA) thereof. In the patented invention, a dsRNA feeding method improved in laboratories is used for screening out the lethal gene fragment Chitinase 7 of the laodelphax striatellus as shown in SEQ ID NO. 1 from laodelphax striatellus, wherein the lethal gene fragment Chitinase 7 of the laodelphax striatellus can lead to the death of laodelphax striatellus after being interfered; the dsRNA of the gene fragment is used for feeding the laodelphax striatellus so as to ensure that the corrected death rate of the laodelphax striatellus reaches more than 65%; and the lethal gene fragment Chitinase 7 and the dsRNA thereof provide a sequence and data basis for establishing a new strategy of controlling injurious insects by using a RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Laodelphax striatellus lethal gene fragment
InactiveCN102220340BSignificant lethal effectResistance to degradationFermentationPlant genotype modificationBiotechnologyVermin
The invention belongs to the field of agricultural and biological technology and relates to a Laodelphax striatellus lethal gene fragment thereof. The invention is to screen the Laodelphax striatellus lethal gene fragment Tubulin, which can lead to the death of Laodelphax striatellus after interference and has a sequence represented by SEQ ID No.1, from Laodelphax striatellus by using a laboratory improved dsRNA feeding method. When the dsRNA of the gene fragment is used for feeding Laodelphax striatellus, the maximum adjusted mortality of the Laodelphax striatellus may reach 67.4 percent, and a sequence basis and a data basis are provided for the construction of a new policy of controlling pests by using RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Drug-resistant gene CYP6AY3v2 of small brown planthopper, gene segment for reducing drug resistance of small brown planthopper and application thereof
ActiveCN105969780ADelay drug resistanceAchieving Antimicrobial Resistance GovernanceOxidoreductasesInsecticidesResistant genesBrown planthopper
The invention relates to a drug-resistant gene CYP6AY3v2 of a small brown planthopper, a gene segment for reducing the drug resistance of the small brown planthopper and application thereof. A sequence of the drug-resistant gene CYP6AY3v2 of the small brown planthopper is shown as SEQ ID NO.1. A sequence of the gene segment for reducing the drug resistance of the small brown planthopper is shown as SEQ ID NO.3. The gene segment is used for reducing the drug resistance of the small brown planthopper. The drug-resistant gene CYP6AY3v2 and the gene segment can be used for detecting the drug resistance of the small brown planthopper and achieving the drug resistance management of the small brown planthopper.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Gene silencing technology-based lethal gene fragment Chitinase 7 of laodelphax striatellus and dsRNA (double-stranded RNA) thereof
InactiveCN102220341BSignificant lethal effectResistance to degradationGenetic engineeringFermentationGeneticsChitinase
The invention belongs to the technical field of agricultural biology, and in particular relates to gene silencing technology-based lethal gene fragment Chitinase 7 of laodelphax striatellus and dsRNA (double-stranded RNA) thereof. In the patented invention, a dsRNA feeding method improved in laboratories is used for screening out the lethal gene fragment Chitinase 7 of the laodelphax striatellus as shown in SEQ ID NO. 1 from laodelphax striatellus, wherein the lethal gene fragment Chitinase 7 of the laodelphax striatellus can lead to the death of laodelphax striatellus after being interfered;the dsRNA of the gene fragment is used for feeding the laodelphax striatellus so as to ensure that the death rate of the laodelphax striatellus reaches 70%; and the lethal gene fragment Chitinase 7 and the dsRNA thereof provide a sequence and data basis for establishing a new strategy of controlling injurious insects by using an RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Gene silencing technique based Laodelphax striatellus lethal gene fragment Alpha1-tubulin and dsRNA thereof
InactiveCN102220344BSignificant lethal effectResistance to degradationGenetic engineeringFermentationBiotechnologyGene silencing
The invention belongs to the field of agricultural and biological technology and relates to a gene silencing technique based Laodelphax striatellus lethal gene fragment Alpha1-tubulin and a dsRNA thereof. The invention is to screen the Laodelphax striatellus lethal gene fragment Alpha1-tubulin, which can lead to the death of Laodelphax striatellus after interference and has a sequence representedby SEQ ID No.1, from Laodelphax striatellus by using a laboratory improved dsRNA feeding method. When the dsRNA of the gene fragment is used for feeding Laodelphax striatellus, the adjusted mortalityof the Laodelphax striatellus may reach 70 percent, and a sequence basis and a data basis are provided for the construction of a new policy of controlling pests by using RNA interference technology.
Owner:NANJING AGRICULTURAL UNIVERSITY
Reactivating and tillering aqueous agent for stripe disease-infected rice plant
The invention relates to a reactivating and tillering aqueous agent for stripe disease-infected rice plant, which comprises 15-25% of insecticide for eradicating Laodelphax striatellus (Fallen), 30-50% of germicidal agent and 30-50% of liquid fertilizer.
Owner:陈允中
Method for detecting rice stripe virus in single-head laodelphax striatellus through dot-ELISA (dot-enzyme-linked immuno sorbent assay)
InactiveCN104267186AGood for synchronous detectionAvoid cross contaminationMaterial analysisDiseaseAssay
The invention provides a method for detecting rice stripe virus in single-head laodelphax striatellus through dot-ELISA (dot-enzyme-linked immuno sorbent assay), and belongs to the field of plant protection. According to the method, after laodelphax striatellus is collected and ground, and a dot-ELISA system for detecting the rice stripe virus carried by single-head mediator laodelphax striatellus is established by monoclonal antibody of the rice stripe virus. The detection method is high in sensitivity and specificity, is suitable for large-batch single-head laodelphax striatellus sample detection, does not require special instruments and equipment, has the characteristics that the result is simple and easy to determine, the detection result is convenient to store for a long time and the like, can be used for performing large-scale survey and detection on the virus carried rate of the rice stripe virus carried by field laodelphax striatellus, and provides technical support for prediction of outbreaks of the field rice stripe disease and adoption of corresponding prevention and control measures .
Owner:YUNNAN AGRICULTURAL UNIVERSITY
Method for recognizing maize rough dwarf virus resistance by virus transmission inoculation of laodelphax striatellus
InactiveCN112877398AEfficient resultsReliable resultsMicrobiological testing/measurementCereal cultivationGeneticsVirology
The invention discloses a method for recognizing maize rough dwarf disease resistance by virus transmission inoculation of laodelphax striatellus, and belongs to the technical field of plant disease resistance recognition. Through the steps of laodelphax striatellus feeding, maize rough dwarf virus source cultivation, laodelphax striatellus feeding, laodelphax striatellus inoculation and maize rough dwarf virus resistance evaluation, the maize rough dwarf virus resistance can be efficiently, reliably and stably recognized, and a foundation is laid for mining and recognition of maize variety resources, variety resistance evaluation, disease-resistant variety breeding and resistance inheritance.
Owner:INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
Pesticidal composition containing sulfoxaflor and monosultap
ActiveCN102017977ALower resistanceReasonable compositionBiocideAnimal repellantsWater dispersibleLeafhopper
The invention discloses a pesticidal composition containing sulfoxaflor and monosultap, wherein the weight ratio of sulfoxaflor to monosultap is 1:(5-40). The pesticidal composition has reasonable components, good pesticidal effect and low cost; the activity and pesticidal effect are not simply addition of the activities of all components, but an obvious synergic effect is realized; and the pesticidal composition has the advantages of quick action, long-lasting effect and retardance of resistance, and ensures high crop safety and conformation to the safety requirements of pesticide preparation. The pesticidal composition can be prepared into water dispersible granulas, suspension agents, wettable powder, micro emulsions or dispersible oil suspension agents and used for preventing and controlling rice planthopper, stem borer, vegetable whitefly, cotton aphid, stink bug, tea leafhopper and corn plant hopper.
Owner:SHAANXI SUNGER ROAD BIO SCI
Method and artificial feed for enabling laodelphax striatellus to obtain rice stripe viruses
ActiveCN105746439AConvenient researchPoison rate increasedAnimal feeding stuffAccessory food factorsRice plantsSaccharum
The invention discloses a method and an artificial feed for enabling laodelphax striatellus to obtain rice stripe viruses. The method for enabling rice stripe viruses to obtain laodelphax striatellus comprises the following step: feeding the laodelphax striatellus with the artificial feed containing rice stripe viruses, thereby enabling the laodelphax striatellus to obtain rice stripe viruses. The composition of the artificial feed is that every 1 muL of the artificial feed contains the rice stripe viruses greater than or equal to 300ng, the balance being a sucrose aqueous solution with concentration being 50g / L. According to the method, the rice stripe virus acquiring rate is higher than 90% which is greatly increased in comparison with that of a conventional method of feeding non-toxic ash-free plant hoppers by toxic rice plants. According to the method, an experimental platform for enabling the laodelphax striatellus to obtain toxin efficiently is established, and the research on the transmission mechanism of rice stripe viruses in the laodelphax striatellus is strongly promoted, and the effective progress of the novel disease-resistant strategy of removing virus in insects is promoted.
Owner:INST OF MICROBIOLOGY - CHINESE ACAD OF SCI
Granules for controlling Laodelphax striatella in wheat fields
InactiveCN101032253AEffective penetrationImprove the effect of prevention and controlBiocideAnimal repellantsPropiolactoneDichlorvos
The granular pesticide preparation for preventing and controlling smaller brown planthopper in wheat field consists of chlorpyrifos, DDVP, stabilizer A, stabilizer B, colorizing agent and carrier in certain weight proportion. The stabilizer A is butyrolactone, gamma-propiolactone or delta-propiolactone; the stabilizer B is 1, 2-butanediol, 2-methyl-2, 4-pentanediol or [1, 5]-pentanediol; the colorizing agent is red powder, phthalocyanine red or acid scarlet; and the carrier is coal slack, perlite or vermiculite. The granular pesticide preparation as re-compounded pesticide has synergistic effect of killing smaller brown planthopper and other effect.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Laodelphax striatellus lethal gene fragment ATPase and application thereof
ActiveCN109234249AResistance to degradationLower synthesis costBiocideHydrolasesATPaseBrown planthopper
The invention discloses a laodelphax striatellus lethal gene fragment ATPase and application thereof. The invention screens out the lethal gene fragment ATPase of the grey planthopper which can causethe death of the grey planthopper after interference as shown in SEQ ID NO. 1, The dsRNA of the gene fragment is used for feeding the grey planthopper and the brown planthopper, which can effectivelykill the grey planthopper and the brown planthopper. The invention is safe for the environment, ecology and food, and provides a new way for establishing the RNA interference technology for controlling pests.
Owner:CHANGSHA AGREEN BIO TECH LTD CO
Yeast-like symbiote and use thereof
InactiveCN104630081AReduce usageImprove the effect of prevention and controlBiocideFungiBiotechnologySaccharomycodes
The invention discloses a yeast-like symbiote and use thereof. The yeast-like symbiote is obtained through being separated from a fat body of laodelphax striatellus by an in-vitro culture technology, is named Pichia anomala SP2014 through microbial taxonomic identification, has the collection number of CCTCC No: M 2014534, and is collected at the CCTCC (China Center for Type Culture Collection) at Oct. 17, 2014. Shown by research and analysis on the sensitivity of the yeast-like symbiote to different microbicides, two kinds of microbicides, namely Antracol and Nativo, with obvious inhibitory effects to P. anomala SP2014 are sprayed to wheat seedlings at the concentration of 800mg / L, the death rate reaches 46.7% and 63.3% respectively after the wheat seedlings are eaten by laodelphax striatellus, the death rate is remarkably higher than that of control, and the weight is remarkably lower than that of a control group. Proven by fluorescent quantitative detection results, the amount of yeast-like symbiotes in laodelphax striatellus bodies is remarkably reduced after the microbicides are used. The yeast-like symbiote can serve as an indication marker for monitoring vitality of laodelphax striatellus or be used for screening or producing pesticides for preventing and treating laodelphax striatellus.
Owner:CHINA JILIANG UNIV
Application of protein WRKY78 to regulation of biological stress resistance of plants
ActiveCN111826390ACan regulate the synthesisCan regulate biotic stress resistanceVector-based foreign material introductionAngiosperms/flowering plantsBiotechnologyGenetically modified rice
The invention discloses application of protein WRKY78 to regulation of the biological stress resistance of plants. An amino acid sequence of the protein WRKY78 is as shown in sequence 2 in a sequencetable. The expression quantity and / or activity of the protein WRKY78 in oryza sativa L. spp. japonica are improved to obtain transgenic rice A; compared with the oryza sativa L. spp. japonica, the transgenic rice A is significantly improved both in rice stripe disease resistance and rice blast resistance; the expression quantity and / or activity of the protein WRKY78 in the oryza sativa L. spp. japonica are inhibited to obtain transgenic rice B; and compared with the oryza sativa L. spp. japonica, the transgenic rice B is significantly reduced in the aspects of rice stripe disease resistance, rice blast resistance and laodelphax striatellus resistance. Thus it can be seen that the protein WRKY78 can regulate the biological stress resistance of the plants. The protein WRKY78 has important application value.
Owner:INST OF MICROBIOLOGY - CHINESE ACAD OF SCI
Planthopper lethal gene segment
ActiveCN109321579AResistance to degradationLower synthesis costBiocidePeptidesBrown planthopperPlanthopper
The invention discloses a planthopper lethal gene segment. The planthopper lethal gene segment ubiquitin-conjugating enzyme morgue capable of leading to planthopper death after interference and with the sequence shown as SEQ ID NO.1 is screened out. When dsRNA of the gene segment is utilized and fed to small brown rice planthoppers and brown planthoppers, the death of the small brown rice planthoppers and brown planthoppers can be effectively caused. The planthopper lethal gene segment disclosed by the invention is safety to environment, ecology and food, and a novel path is provided for utilizing an RNA interference technology to control injurious insects.
Owner:ZHEJIANG UNIV
Planthopper lethal gene fragment and application thereof
InactiveCN109295064AResistance to degradationLower synthesis costBiocideAnimal repellantsBrown planthopperPlanthopper
The invention discloses a planthopper lethal gene fragment and an application thereof. The planthopper lethal gene fragment beta-tubulin causing death of planthopper after interference and having thesequence shown in SEQ ID NO.1 is screened out; laodelphax striatellus and brown planthopper are fed with dsRNA of the gene fragment and can be effectively killed; the gene fragment is safe to both theenvironment ecology and food and provides a new way to control pests by using the RNA interference technology.
Owner:ZHEJIANG UNIV
Application of xanthoxylin as rice planthopper repellent
ActiveCN111084184AStrong repellent effectEasy to prepareBiocidePest repellentsBrown planthopperXanthoxylin
The invention discloses an application of xanthoxylin as a rice planthopper repellent. The field use concentration of the xanthoxylin in prevention and treatment of rice planthoppers is 10-1000 ppm ofeffective components. Under a use concentration of 1000 ppm, the xanthoxylin can reach repelling rates of 81.21%, 77.50% and 65.23% to three kinds of female adult rice planthoppers, i.e., brown planthoppers, sogatella furcifera and laodelphax striatellus respectively after the xanthoxylin is sprayed for 24 hours; and the xanthoxylin has a strong repelling effect. The rice planthopper repellent compound, namely the xanthoxylin provided by the invention is an extraction component of natural plants; and a rice planthopper repellent prepared from the xanthoxylin has the advantages of good prevention and treatment effects, simple preparation, greenness, safety, effectiveness, environmental friendliness and the like.
Owner:湖北双水双绿生物科技有限公司
Method for rapid evaluation of variety resistance to bushy stunt of wheat by detecting proliferation rate of virus in coleoptiles
The invention discloses a method for rapid evaluation of variety resistance to bushy stunt of wheat by detecting proliferation rate of virus in coleoptiles. The method comprises the following steps: 1) selecting identification scale; 2) performing hypoxia induction on wheat to be detected and identifying the coleoptiles of scale variety; 3) inoculating viruliferous laodelphax striatellus into the coleoptiles and then performing dark culture; 4) performing fluorescence quantitative PCR (polymerase chain reaction) to obtain relative expression (RQ value) of RBSDV (rice black streaked dwarf virus) virus S7 and an internal control gene of various wheat varieties at period time points; 5) drawing an RBSDV proliferation index trend line; and 6) evaluating the resistance level and the resistance grade of the wheat variety to be detected to the bushy stunt of the wheat according to the RBSDV proliferation index trend line formula. According to the method disclosed by the invention, the variety resistance to the bushy stunt of the wheat is rapidly evaluated by detecting the proliferation rate of the virus in the coleoptiles, the resistance level and the resistance grade of the wheat variety to the bushy stunt of the wheat can be rapidly determined on molecular scale, the identification period is short and the reliability is high, thereby having relatively great breeding application value.
Owner:江苏省金地种业科技有限公司
Rice suspension seed coating agent containing imidaclothiz and chlorantraniliprole and application of rice suspension seed coating agent
InactiveCN106106496AGood control effectReduce the use effectBiocideDead animal preservationImidaclothizAgricultural science
The invention discloses a rice suspension seed coating agent containing imidaclothiz and chlorantraniliprole. The rice suspension seed coating agent is characterized by mainly comprising main components, auxiliary agents and distilled water; the main components comprise the imidaclothiz and the chlorantraniliprole, wherein the imidaclothiz accounts for 10 to 40 mass percent of the rice suspension seed coating agent, and the chlorantraniliprole accounts for 2 to 10 mass percent of the rice suspension seed coating agent; the invention also discloses application of the rice suspension seed coating agent containing the imidaclothiz and the chlorantraniliprole; the rice suspension seed coating agent disclosed by the invention can effectively control the outbreak of laodelphax striatellus through one-time seed treatment in a seedling stage, and has a good prevention and control effect on stenchaetothrips biformis; through one-time seed treatment, cnaphalocrocis medinalis guenee in the early and medium stages of rice can be controlled basically, and the cnaphalocrocis medinalis guenee is basically not required to be prevented and controlled until the rupturing stage of the rice; the using amount and the using frequency of pesticides are obviously reduced, so that the prevention and control cost is reduced, much labour is saved, meanwhile, the environmental pollution is reduced, and pesticide residues of agricultural products are reduced; therefore, the rice suspension seed coating agent containing the imidaclothiz and the chlorantraniliprole can be widely applied to the field of rice seed treatment.
Owner:JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
Method for preserving rice black-streaked dwarf virus indoor living bodies
ActiveCN102870743BSolve the technical problems that are difficult to maintain in vivo preservationOvercome technical bottlenecks that are difficult to preserve for a long timeHorticulture methodsAnimal husbandryBiotechnologyNymph
Owner:JIANGSU ACAD OF AGRI SCI
The invention also discloses application of GrpE protein and coding gene thereof as molecular targets in cultivation of resistant plants
The invention discloses application of GrpE protein and a coding gene thereof as molecular targets in cultivation of resistant plants. The invention provides an application of a nucleic acid moleculeor a recombinant vector for inhibiting GrpE gene expression in preparation of a transgenic plant for resisting piercing-sucking pests. The invention also provides an application of the nucleic acid molecule or recombinant vector for inhibiting GrpE gene expression in preparation of stripe disease resistant plants. The application is achieved by inhibiting piercing-sucking pests as a propagation medium. In the process of researching the interaction of the rice laodelphax striatellus-RSV, a new gene GrpE is explored from the rice laodelphax striatellus, the rice laodelphax striatellus GrpE or the homologous gene thereof can be used as a molecular target for resistance breeding of crops for resisting piercing-sucking pests, and the expression of the GrpE or the homologous gene thereof in insects is inhibited through RNAi technology; therefore, transgenic plants with resistance to piercing-sucking pests such as laodelphax striatellus are obtained.
Owner:INST OF MICROBIOLOGY - CHINESE ACAD OF SCI
Ribosomal protein L9e, a lethal gene fragment of SBPH and its application
InactiveCN109337910BSignificant lethal effectResistance to degradationBiocidePeptidesBiotechnologyEcological environment
The invention discloses a lethal gene segment Ribosomal protein L9e of small brown planthopper and an application of the lethal gene segment. The lethal gene segment Ribosomal protein L9e, capable ofresulting in small brown planthopper death after interference and has the sequence represented as SEQ ID NO.1, of small brown planthopper is screened out, when dsRNA of the gene segment is utilized for feeding small brown planthopper and brown planthopper, the small brown planthopper and the brown planthopper can be effectively killed, the lethal gene segment is safe to ecological environment andfood, and a new way is provided for pest control with the RNA interference technology.
Owner:ZHEJIANG UNIV
Synergistic insecticide composition containing trifluoropyrim and its application
The invention discloses a trifluoropyrim-containing synergistic insecticide composition and an application thereof, belonging to the technical field of pesticides. The insecticide composition of the present invention comprises two active components A and B, wherein the active component A is trifluoropyrim, and the active component B is one of the botanical pesticides matrine, azadirachtin and pyrethrin. In the insecticide composition of the present invention, the action mechanism of the active ingredient A and the active ingredient B are completely different, and the combination can synergize the pests, improve the control effect, reduce the amount of pesticide use, delay the generation of drug resistance, and reduce the risk of drug resistance. It can be used for the control of piercing-sucking mouthparts such as wheat aphid, cotton aphid, corn aphid, bean aphid, potato aphid, apple cotton aphid, tomato whitefly, brown planthopper, brown planthopper, and green leafhopper.
Owner:TAIAN ACAD OF AGRI SCI
Application of Zanthoxylum oil as rice planthopper repellant
ActiveCN111084184BStrong repellent effectEasy to prepareBiocidePest repellentsBrown planthopperXanthoxylin
Owner:湖北双水双绿生物科技有限公司
Cell apoptosis gene segment for reducing egg laying amount of small brown rice planthopper and application thereof
ActiveCN110938634AReduce spawningResistance to degradationBiocideMicrobiological testing/measurementBiotechnologyPlanthopper
The invention discloses a cell apoptosis gene segment for reducing the egg laying amount of the small brown rice planthopper and application thereof. The gene sequence is shown as SEQ ID NO.1 and theamino acid sequence is shown as SEQ ID NO.2. According to the invention, dsRNA of a small brown rice planthopper cell apoptosis gene segment is synthesized through a molecular biological technique; and the egg laying amount is reduced obviously by using an egg laying amount and a gene capable of serving as an effective target for biological control of the small brown rice planthopper is found. ThedsRNA sequence for synthesizing the small brown rice planthopper cell apoptosis gene segment is shown as SEQ ID NO.5, so that the gene is effectively silenced and the degradation of RNA enzyme can bewell resisted. Meanwhile, the synthesis cost is low and thus the cell apoptosis gene segment is suitable for large-scale application and popularization; the dsRNA of the cell apoptosis gene of the small brown rice planthopper has a significant reduction effect on the egg laying amount of the small brown rice planthopper by the RNAi technology; and thus a novel path is provided for controlling pests through the RNAi technology and the use of chemical pesticides is reduced.
Owner:SUN YAT SEN UNIV
Method for creating rice material capable of blocking rice stripe virus transmission of laodelphax striatellus
PendingCN113846118AReduce the rate of poisoningAchieve blockingSsRNA viruses negative-senseVirus peptidesBiotechnologyGenetically modified rice
The invention provides a method for creating a rice material capable of blocking rice stripe virus transmission of laodelphax striatellus, and belongs to the technical field of agricultural science. According to the characteristic that rice stripe virus (RSV) glycoprotein NSvc2-N-mediated virus infects mediator laodelphax striatellus midguts, NSvc2-NS segments (720bp, soluble segments encoding NSvc2-N, namely 30-268 amino acids) are selected as exogenous genes, and are integrated into rice genomes through a transgenic technology, an obtained transgenic rice plant can significantly reduce the virus obtaining rate of the laodelphax striatellus, the virus content in the laodelphax striatellus and the virus transmission rate, and proves that the NSvc2-NS protein expressed in the transgenic plant can be competitively combined with a virus infection site located in the midgut of the mediator laodelphax striatellus, so that the virus transmission of the laodelphax striatellus is blocked. The method fills up the blank of the technology of blocking the virus transmission of the laodelphax striatellus by using the plant itself, and compared with a traditional insect control and disease prevention method, the method is simple, convenient, economical, green and efficient, and can be applied to the fields of antiviral breeding work, disease prevention and control research, insect virus transmission mechanism research and the like.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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