159 results about "Spodoptera litura" patented technology

The invention belongs to the field of pesticide, which mainly relates to an ultralow-volume solvent containing pleocidin or spinetoram. The ultralow-volume solvent is an active component I or an active ingredient compounded by the active component I or an active component II, and the balance is solvent and accessory ingredient, wherein the active component I is pleocidin or spinetoram; and the active component II is insecticide of the other type of action mechanism. The ultralow volume solvent is simple to process and has the advantages of water conservation, high work efficiency, long efficacy continuing period, small possibility of generating resistance to drug for a target, small environment pollution, synergy and the like. Ultralow volume spraying, low-volume spraying or low-volume electrostatic spraying is applied to effectively prevent and control various pests, such as Cnaphalocrocis medinalis, Chilo suppressalis, rice planthopper, Ostrinia nubilalis, plutella xylostella, cabbage caterpillar, Spodoptera litura, Spodoptera exigua, aphids, Lesser green leaf hopper, Icerya purchase, aleyrodid, Thrip, stinkbug, acridid, flea beetle, leafminer, looper and the like.

The invention relates to a method for controlling spodoptera litura. The method for controlling the spodoptera litura comprises the step that the spodoptera litura is made to make contact with CrylA protein. According to the method for controlling the spodoptera litura, the spodoptera litura is controlled through the CrylA protein which is generated by bodies of plants and is capable of killing the spodoptera litura. Compared with an agricultural control method, a chemical control method and a physical control method adopted in the prior art, the method for controlling the spodoptera litura carries out protection on all growth periods and all plants to control the infringement of the spodoptera litura, and is free of pollution and residues, stable and thorough in effect, simple, convenient to implement and economical.

The invention discloses an insect-fusion-resistant gene, coding protein, a carrier and application thereof. The insect-fusion-resistant gene is formed by using a connecting peptide coding gene to connect a nucleotide sequence of coding BT insecticidal crystal protein Cry1Ab with coding BT trophophase insecticidal protein Vip3A, the connecting peptide amino acid sequence is shown as SEQ ID NO:1. Insecticidal activity of the insect-fusion-resistant gene is improved, and insecticidal spectrum is wider. The insect-fusion-resistant gene can kill main lepidopterous insects like armyworm, Spodoptera litura, Ostrinia furnacalis, cotton bollworm and Spodoptera exigua of paddy and maize. In addition, the insect-fusion-resistant gene can effectively slow down insect resistance.

The invention discloses a Bacillus thuringiensis MB-15 strain which has a broad spectrum and high virulence on vegetable lepidoptera pests, and the preservation number of the strain is CGMCC No. 5255. The strain can form a diamond insecticidal crystal protein, contains cry1I, cry1Ac, cry2Ac and vip3Aa genes, and has high-efficiency insecticidal activity on plutella xylostella, Pieris brassicae, beet armyworm, Spodoptera litura, Helicoverpa armigera and other lepidoptera pests. The invention also relates to a preparation method of the wettable powder of strain. The wettable powder comprises the following content of main components: 40.0-50.0% of Bacillus thuringiensis MB-15 strain powder, 5.0-10.0% of a dispersant, 5.0-10.0% of a wetting agent, 0.5-1.0% of a stabilizer, 0.5-1.0% of an ultraviolet light protection agent, and 28.0-49.0% of a carrier. The wettable powder can be used to control a plurality of lepidoptera pests on vegetables, and has the characteristics of broad spectrum, high efficiency, and safety, etc.

The invention relates to a new camptothecin compound, and a preparation method and an application in pesticides of the compound. The preparation method of the compound comprises the following steps: allowing N-(1'-oxyl-2',2',5',5'-tetramethyl pyrrole-amide)-3'-L-amino acid and 5-hydroxyethyl oxyl camptothecin to react under the action of a proper amount of catalysts and dehydrants, and performing purification and separation. Insecticidal, antibacterial and herbicidal activity testing of the compound demonstrates that when compared with camptothecin and DRF-1042, the compound has good poison activity on agricultural pests (such as brontispa longissima, spodoptera litura), and has good inhibition effect on plant germs (such as mango anthracnose and botryodiplodia theobromae) and farmland weeds (such as crabgrass, mustard, and amaranth).

The present invention provides an application of a protein in preventing and treating spodoptera frugiperda and/or spodoptera litura. The amino acid sequence of the protein is shown in SEQ ID No.4.

The invention discloses an agricultural insecticidal composition containing two active ingredients, namely chlorfluazuron and 3-chloro-N1-(2-methyl-4-heptafluoroisopropyl phenyl)-N2-(1-methyl-1-cyanoethyl)phthalimide which are in the weight ratio of (1-20): (30-1). The insecticidal composition disclosed by the invention is suitable for preventing and treating destructive insects, such as spodoptera litura, beet armyworm, cabbage caterpillar, diamondback moth and cotton bollworm, of crops. According to the agricultural insecticidal composition, the quick acting performance and effect lasting performance are better than those of single agents, and the dosage and medicating cost of insecticide are reduced, so that the environmental protection and comprehensive treatment on agricultural insects are facilitated.

The invention relates to an insecticidal compound containing methoxyfenozide and metaflumizone, and the weight ratio of the methoxyfenozide to the metaflumizone is 16:1 to 1:16 and preferred to be 4:1 to 1:8. The insecticidal compound can be prepared into water dispersible granule, wettable powder, suspension and dispersible suspension, has the advantages of reasonable components, good insecticidal effect and low medicine use cost, and the activity and the insecticidal effect thereof are not simply the sum of the activity of all the components; and the insecticidal compound has significant synergy function, can reduce the generation of resistance, is safe to crops and meets the safety requirements of pesticide preparations, and can be used for preventing rice stem borer, leaf roller, cotton bollworm, apple leaf roller, vegetable and beet armyworm, spodoptera litura and plutella xylostella lepidoptera pests.

The invention discloses an insecticidal composition containing metaflumizone, which comprises effective constituents of a component A and a component B, wherein the component A is the metaflumizone, and the component B is any one of chlorphrifos, phoxim, triazophos, profenofos, diazinon, cidial and pyridaphethione; the component A and the component B have the weight ratio of 80:1-1:80; and the accumulated weight percent of the effective constituents is 1-80 percent. The insecticidal composition has the advantages of synergistic effect and obviously improved pest control effect and can reduce drug amount and delay the development of the drug resistance of pests. The insecticidal composition can control the pests on crops and particularly be applied to control cnaphalocrocis medinalis, riceborer, cotton bollworms, spodoptera litura and spodoptera exigua.

The invention provides a method for rapidly and stably producing fruiting body of insect parasite. The method comprises the following steps of: injuring epidermis of an insect, inoculating an insect parasite at the injured section, and culturing the insect parasite in the insect body to obtain the fruiting body of the insect parasite. The insect parasite can be selected from, such as, Cordyceps sinensis, and the insect is selected from Lepidopteran insect such as Spodoptera litura. Preferably, the insect parasite is cultured in an agar culture medium or a grain culture medium to generate mycelia of the insect parasite and is inoculated by disposing the insect with injured epidermis on the insect parasite. Additionally, the insect parasite can propagate in the insect body, so that the insect is hardened and the fruiting body is generated using the portion of the epidermis where a fruiting body primodium is generated as the seed.

The invention discloses an efficient environmentally friendly ecological insecticide for a garden. The insecticide is prepared from, by weight, 40-50 parts of plant dry powder, 3-6 parts of inorganic bases, 14-18 parts of binder, 15-19 parts of insecticide synergist, 7-9 parts of surfactant, 2-4 parts of realgar, 4-6 parts of penetrant, 8-10 parts of stabilizer, 8-14 parts of propylene glycol and 120-160 parts of water. The efficient environmentally friendly ecological insecticide for the garden is harmless to plants, the insecticidal effect is good, the insecticide is unlikely to dry and volatilize, the efficacy time is long, and the control efficiency of garden plant pests such as red spider, aphid, whitefly, scale insect, pseudaulacaspis pentagona, Aromia bungii, Spodoptera litura, tortrix, loopworm, Arge pagana and the like is good; a number of plant insecticidal components which are nontoxic and harmless to environment are used in the raw materials; meanwhile, according to the preparation method provided, the production cost is low, the process is concise, and the preparation method has high practical value and good application prospects.

The invention discloses application of miR-71-5p in pest control, and belongs to the field of pest control. In the invention, an agricultural pest Spodoptera litura is used to carry out experiments toconfirm that miR-71-5p affects the Spodoptera litura to eat a culture medium for mustard-containing secondary compounds, and the mechanism of action is to inhibit the expression of SlNrf2, thereby affecting a series of Nrf2-regulated downstream genes for secondary compounds in plants. Based on the above experimental results, miR-71-5p can be directly used to control pests that eat plants, or transgenic plants for pest control.

The invention discloses an environment-friendly high-efficiency quality-stable broad-spectrum plant-derived insecticide and a preparation method thereof, the environment-friendly high-efficiency quality-stable broad-spectrum plant-derived insecticide comprises the following raw materials by weight: 20-30 parts of a mixed traditional Chinese medicine, 15-25 parts of a bactericidal traditional Chinese medicine, 1-2 parts of nicotine, 1-2 parts of matrine, 0.5-1 part of azadirachtin, 0.5-0.7 part of toosendanin, 1-2 parts of alkaloids, 0.4-0.6 part of xanthoxylin, 0.5-0.9 part of celastrus angulatus, 20-30 parts of a slow-release filler, 0.6-0.8 part of a penetrant, 1-2 parts of a stabilizer, 0.05-0.09 part of a growth regulator and 6 to 8 parts of water. The environment-friendly high-efficiency quality-stable broad-spectrum plant-derived insecticide has the excellent effects of killing pests and inhibiting the growth of pest eggs, has good control effects on pests such as aphids, trialeurodes vaporariorum, Spodoptera litura and leaf folder, has certain sterilization functions, is harmless to plants, and has no toxic and side effects on the human body, and the product has good sustained release effect and long acting time, and the preparation method provided by the invention has low production cost, simple process, high practical value and good application prospects.

The invention discloses a method for biological treatment of unavailable fresh tobacco leaves by utilizing spodoptera litura, and a material formula. According to the method disclosed by the invention, the unavailable fresh tobacco leaves are creatively utilized for appropriate treatment, then appropriate compatible components are added to prepare a semi-artificial feed for feeding the spodoptera litura till the the larval development stage is completed, then the unavailable fresh tobacco leaves are completely treated, output products are mature larvae and frass of the spodoptera litura, the mature larvae of the spodoptera litura can be used as a high-quality insect protein feed after drying, and the frass can be used as a high-quality organic fertilizer after aerobic composting. The method disclosed by the invention has the advantages that the treatment capacity of the unavailable fresh tobacco leaves is great, the treatment cost is low, the period is short, the treatment of the unavailable fresh tobacco leaves is complete, the reduction effect is obvious, and the production of waste residue, waste gas, waste liquid and other secondary pollution in treatment process is avoided; products after the treatment are insect protein powder and the frass organic fertilizer of the spodoptera litura, and the economic benefits of a treatment plant can be increased.

The invention discloses an agricultural insecticidal composition containing active ingredients, namely indoxacarb and 3-chloro-N1-(2-methyl-4-heptafluoroisopropyl phenyl)-N2-(1-methyl-1-cyanoethyl)phthalimide which are in the weight ratio of (1-50): (20-1). The insecticidal composition disclosed by the invention is suitable for preventing and treating destructive insects, such as spodoptera litura, beet armyworm, diamondback moth, cnaphalocrocis medinalis and cotton bollworm, of crops. According to the agricultural insecticidal composition, the quick acting performance and effect lasting performance are better than those of single agents, and the dosage and medicating cost of insecticide are reduced, so that the environmental protection and comprehensive treatment on agricultural insects are facilitated.

The invention relates to an insecticidal composition containing tenvermectin. In the composition, tenvermectin and a component B are compounded according to a specific ratio, wherein the component B is selected from a group consisting of phenylpyrazoles, pyrethroids, anabasines, diamides, macrolides and organophosphoruses. The composition has excellent synergistic effect on prevention and treatment of a plurality of insects such as Tetranychus cinnabarinu, Tetrangchus urticae Koc, Plutella xylostella, Laphygma exigua, Spodoptera litura, Laodelphax striatellus, red spiders, Agrotis ipsilon, wireworms, armyworms, pine caterpillars, pine wilt diseases or rice stem borers.

The invention relates to a pesticide composition, and the effective components thereof are lufenuron and diafenthiuron, wherein the mass ratio of the lufenuron to the diafenthiuron is 5:1-1:40. The pesticide composition of the invention has obvious synergy to diamond back moth, spodoptera litura and cabbage caterpillar and the like, and also has favorable effect on preventing and treating other pests and mites on crops such as vegetable, fruit trees, cotton, soybean and tobacco. In comparison with single preparation, the dosage is reduced and the effect is improved, and the composition is helpful for the development of delaying the drug resistance of pests.

The invention belongs to the field of toxicological activity of pest prevention and control, and particularly relates to a new drug for preventing and controlling Spodoptera litura, and a use method thereof, wherein the new drug is cyclosporin A, and the Spodoptera litura refers to second-instar and third-instar Spodoptera litura larvae. According to the invention, with the application of the newdrug in prevention and control of Spodoptera litura, the lethal concentration of the cyclosporin eaten by Spodoptera litura larvae is 100-150 [mu]M; the test results show that the biological source agent has good insecticidal activity on agricultural pests Spodoptera litura; cyclosporin A acts on Spodoptera litura, so that the activity of dephosphorylase is possibly inhibited so as to affect the expression and the activity of the antibacterial peptide and the detoxification enzyme in insects; and cyclosporin A or the compound with the similar chemical structure can possibly be the novel insecticide or can be used as a novel insecticidal functional group to be applied to development and utilization of novel pesticides.

The invention discloses a medicament composition for preventing and treating grassland spodoptera litura. The medicament composition comprises auxiliary materials, an effective component A and an effective component B, wherein the effective component A is tea saponin, the effective component B is chlorantraniliprole or tolfenpyrad, and the mass ratio of the effective component A to the effective component B is (1-20): (20-1). The tea saponin and the chlorantraniliprole or tolfenpyrad are mixed to prepare an insecticide with a certain proportion, the insecticide is used for preventing and treating the grassland spodoptera litura, the effect is good, the dosage is low, and the resistance of the grassland spodoptera litura to the insecticide can be well delayed.

The invention relates to a pesticide for preventing and treating grassland spodoptera litura, and relates to a pesticide. The pesticide comprises an attractant, an adjuvant, beer yeast powder, composite vitamin powder, glucose and active metarhizium anisopliae. The pesticide is prepared from the following components in parts by weight: 1-10 parts of an attractant, 2-30 parts of an adjuvant, 1-10 parts of beer yeast powder, 1-15 parts of compound vitamin powder, 1-5 parts of glucose and 40-70 parts of active metarhizium anisopliae. The pesticide has the advantages that the resistance development of the grassland spodoptera litura can be effectively slowed down, the effect of the cyantraniliprole in seed treatment is achieved quickly, the pesticide effect is stable, an excellent prevention and control effect on pests is achieved, and the pest resistance of crops is improved.

The invention relates to an application of DMNT in preparation of a lepidoptera pest insecticide, which belongs to the technical field of pesticide preparation. DMNT is a natural secondary metaboliteof plants and has no damage to the plants. The prior art shows that DMNT has volatility and can attract natural enemies of pests to prey the pests. According to the invention, the DMNT is found to have a poisoning effect on three lepidoptera pests including plutella xylostella, ostrinia nubilalis and grassland spodoptera litura for the first time, the pupation rate and eclosion rate of the pests can be remarkably reduced, and the propagation quantity of the pests is reduced. The substance is easy to volatilize and metabolize and does not pollute soil and a water source, so that development ofa novel efficient pollution-free natural insecticide by taking the substance as a research object has important significance on prevention and control of crop pests.

The invention discloses an annular pesticide slow-release agent which comprises an elastic ring, and the elastic ring comprises the following raw material components in percentage by weight: 0.1-2.0%of a pesticide active agent, 1-10.0% of an organic solvent, 2.15-6.7% of a slow-release material, 5-20.0% of plant essential oil, 0.1-0.5% of an emulsifier, 0.01-0.05% of an organic acid and the balance of water. Wherein the slow-release material comprises chitosan, sodium alginate, carboxymethyl chitosan, sodium tripolyphosphate and calcium chloride. The annular pesticide slow-release agent slowly releases pesticide active ingredients in a humid environment or under a rainwater leaching condition, has a good prevention and control effect on diseases such as corncob rot and pests such as grassland spodoptera litura, and can remarkably improve the insecticidal prevention and control effect, reduce the pesticide dosage and prolong the pesticide prevention and control time, so that the grainproduction safety is guaranteed.

The invention belongs to the technical field of microbial insecticides and particularly relates to bacillus thuringiensis YN108 with high toxicity to lepidopteran pests, a culture method and application of the bacillus thuringiensis YN108. The bacillus thuringiensis YN108 is bacillus thuringiensis subsp.aizawai and has a preservation number of CGMCC No. 15140 in the China General Microbiological Culture Collection Center (CGMCC) on January 02, 2018. The bacillus thuringiensis YN108 dislcosed by the invention has high toxicity to the lepidopteran pests, and particularly has a median lethal concentration (LC500) of only 3.25*105 cfu/ml for the 3<rd> instar larva of spodoptera litura, which is smaller than a published YN1-1 bacterial strain and a published CAB109 bacterial strain. Meanwhile,the bacillus thuringiensis YN108 is also better than a commercial bacillus thuringiensis catfish subspecies I product, an SB product and a bacillus thuringiensis catfish subspecies SL product in indoor drug efficacy and field control effect and shows excellent insecticidal activity. In addition, the bacillus thuringiensis YN108 disclosed by the invention has no residue after use, avoids drug resistance and is green and environmentally-friendly.