30 results about "Striped rice borer" patented technology

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I: # imgabs0 #, wherein X represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; q1 and Q2 independently represent O or S respectively; m1, M2, M3, M4 and M5 respectively and independently represent CR9 or N, and at least two of the M1, M2, M3, M4 and M5 are N; r1, R2, R3, R4, R5, R6, R7, R8 and R9 independently represent hydrogen, nitro, amino, cyano, halogen and the like respectively. The compound has excellent prevention and control effects on pests such as chilo suppressalis, spodoptera frugiperda, armyworm, prodenia litura, peanut aphid and rice planthopper, and is safe to bees.

The invention discloses an isoxazoline compound as shown in a formula (I) and application thereof. R1, R2 and R3 can be selected from halogen atoms, cyano groups, nitryl groups, C1-C3 halogenated alkyl groups and the like; q can be independently selected from A1 to A6; l1 and L2 may be selected from a carboxyl group, a C1-C6 alkoxycarbonyl group, a hydroxyl-substituted C1-C8 alkyl group, and the like; z1, Z2 may be selected from a hydrogen atom, a C1-C6 alkyl group, a C3-C5 cycloalkyl group, or C (O) M, wherein M is a C1-C6 alkyl group, a C2-C6 alkenyl group, or the like; the isoxazoline compound provided by the invention has no cross resistance with existing insecticides, has the advantages of quick pesticide effect, low dosage and the like, and particularly has an excellent control effect on rice-resistant chilo suppressalis, plutella xylostella, aphid and the like. The invention also provides an isoxazoline compound as a pesticide acceptable salt, a composition and an application of the isoxazoline compound. # imgabs0 #

The invention discloses application of vanillylamine in preparation of a preparation for preventing and treating rice stem borers, and belongs to the technical field of microbial pesticides. The invention finds that the enterococcus metabolite vanillylamine, namely 4-(aminomethyl)-2-methoxyphenol, has insecticidal activity on rice stem borers, and particularly has excellent insecticidal activity on chilo suppressalis, so that a new biocontrol resource is provided for prevention and treatment of the rice pest chilo suppressalis.

The present invention relates to a pyrido[1,2-a]pyrimidine mesoionic derivative containing a 1,2,4-oxadiazole structure and a preparation method and use thereof. The compound has a structure of formula (I), has excellent insecticidal activity against bean aphids, white-backed plant hoppers, diamondback moths, fall armyworms, striped stem borers, armyworms, etc., and can be used to prepare drugs or medicaments for preventing and controlling pests such as aphids, rice plant hoppers, diamondback moths, fall armyworms, striped stem borers, armyworms, etc. The compound has a simple structure and preparation process, and has low production cost.

This invention discloses a trap for controlling rice stem borers, comprising a cylindrical body, an attractant release mechanism, several conical retaining rings, and several insect-attracting holes. The lower end of the cylindrical body has a detachable bottom cover, on which the attractant release mechanism is located within the cylindrical body. Conical retaining rings, arranged sequentially from top to bottom, are fixedly fitted onto the cylindrical body. Each conical retaining ring contains several insect-attracting holes spaced circumferentially. The attractant release mechanism includes an attractant solution storage tank, an annular body, a liquid absorbent, and a liquid-absorbing cotton thread. The upper end of the attractant solution storage tank has an annular body, which contains a liquid absorbent. The attractant solution storage tank within the annular body has a liquid-absorbing cotton thread, one end of which is connected to the liquid absorbent, and the other end is immersed in the attractant solution within the attractant solution storage tank. Compared with existing technologies, this method improves the trapping effect, reduces manual labor, has low operating costs, and is not subject to any usage restrictions.

The utility model provides a kind of loaded pheromone trapping device. A kind of loaded pheromone trapping device, comprising: mounting plate;Trapping cylinder is set to the top of mounting plate, trapping cylinder includes installation cylinder, opening hole, cone bucket, taper slot and opening slot. The utility model provides a kind of loaded pheromone trapping device, by pushing pull rod to drive slide bar and extrusion plate to move downwards, extrusion plate moves downwards inside trapping cylinder, the two species of rice moth received in trapping cylinder is rolled and crushed, can wait for a long time to disassemble trapping cylinder and extrusion device to clean, the device simple structure, practicality is strong, can effectively reduce the labor intensity of operator, improve the elimination efficiency of two species of rice moth simultaneously, reduce the accumulation of a large number of two species of rice moth in trapping cylinder Influence the volatilization efficiency of induction core, prolong the service life of pheromone in induction core, improve the trapping efficiency of trapping device, fast efficiency capture pest, improve the practicality of device.

The invention discloses an InDel molecular marker FM1 of a rice anti-chilo suppressalis gene SBR11 and application of the InDel molecular marker FM1. The InDel molecular marker FM1 is closely linked with a rice striped rice borer resistant gene SBR11. Experiments prove that the InDel molecular marker FM1 is adopted to carry out PCR amplification on rice genome DNA, and the chilo suppressalis resistance of a rice material (carrying the chilo suppressalis resistant gene SBR11) with a strip with the size of 120 bp in a PCR product is higher than that of a rice material (not carrying the chilo suppressalis resistant gene SBR11) without the strip with the size of 120 bp in the PCR product. The InDel molecular marker FM1 provided by the invention can be used for identifying whether rice carries the chilo suppressalis resistant gene SBR11 or not, chilo suppressalis resistance and molecular marker-assisted selective breeding, especially early identification and screening of the chilo suppressalis resistance of rice, and the breeding efficiency of chilo suppressalis resistant rice breeding is greatly improved.

The application discloses a rice borer peak period detection method based on intelligent forecasting lamp data, comprising the following steps: step 1, pest monitoring time series data acquisition and pretreatment; step 2, abnormal trapping data identification and repair based on the working condition characteristics of the insect trapping device; step 3, multi-peak Gaussian model construction; step 4, model adaptive optimal parameter selection and peak period detection; step 5, peak value merging and ecological generation division; step 6, peak period information extraction and prevention window output. The application utilizes the overall trend and peak value characteristics of the time series curve, can effectively reduce local interference, and improve the accuracy and stability of moth peak identification; and can simultaneously extract multiple moth peak characteristics of multiple sites and multiple years in a region, does not need to separately set a measurement standard for different scenes, and can be applied to large-scale Chilo suppressalis population dynamic monitoring.

The present invention provides a chitin synthesis inhibitor compound-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is buprofezin, lufenuron, cyromazine, diafenthiuron, diflubenzuron, chlorbenzuron, hexaflumuron or chlorfluazuron, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially brown planthopper, beet armyworm or liriomyza sativae. The invention verifies that the binary composition of the inhibitor insecticide synthesized from the flufenutraniliprole and the chitin has a remarkable synergistic effect, effectively improves the control effect, reduces the dosage and expands the insecticidal spectrum. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I).

The invention belongs to the technical field of agricultural biology, and relates to a rice anti-chilo suppressalis induction technology, in particular to application of (E)-2-hexenal in a rice anti-chilo suppressalis inducer and the inducer. The inducer is a solution containing an effective component, the effective component contains (E)-2-hexenal, and a solvent of the solution is a volatile solvent. The rice anti-chilo suppressalis inducer is loaded on a carrier, a release device capable of releasing (E)-2-hexenal is prepared, the release device is placed in a rice field, and the release device is used for releasing volatile matter containing (E)-2-hexenal to induce rice defense and guard. The application of (E)-2-hexenal in the rice anti-chilo suppressalis inducer and the inducer provided by the invention have important significance in effectively preventing and treating chilo suppressalis and ensuring the rice product and quality safety. The invention provides a green and safe solution for preventing and treating chilo suppressalis in rice, and has wide application value and wide ecological benefits.

The invention belongs to the field of chemical ecology of agricultural pests and pesticide science, and relates to an insecticide composition for improving the sensitivity of agricultural pests to insecticides and application of the insecticide composition. Folic acid is applied to a pest feeding substrate, a host plant or a feed, so that the sensitivity of pests to various insecticides (including neonicotinoids, pyrimidines, pyrethroids, organophosphorus and the like) can be remarkably enhanced. It is found that folic acid can regulate and control a carbon metabolism network in pests and inhibit cytochrome P450 and other detoxification enzyme related pathways, and then the endurance capacity of the pests to insecticides is reduced. The composition and the method are verified in seven important pests such as brown planthopper, sogatella furcifera, spodoptera frugiperda, cotton aphid, chilo suppressalis, panonychus citri and thrips, have the advantages of improving the pesticide effect, reducing the pesticide application amount and delaying the resistance evolution, and can be widely applied to comprehensive treatment of agricultural pests.

This invention belongs to the field of agricultural nanoparticle formulations and green pest control technology, specifically relating to an insecticide nano-synergist Cu-TA, its preparation method, and its application. The Cu-TA consists of nanoparticles formed by the coordination assembly of copper ions and tannic acid. The Cu-TA can be used in combination with various insecticides to increase the sensitivity of brown planthoppers, white-backed planthoppers, cotton aphids, rice stem borers, and common thrips to pesticides, and to improve the field control effect on brown planthoppers. Furthermore, the combined use of Cu-TA and acetamiprid can reduce the actual heritability of resistance to acetamiprid in brown planthoppers, thereby delaying the development of resistance.

The invention relates to an unmanned aerial vehicle hyperspectral image-based rice-stem borer pest stress identification method, which comprises the following steps of: screening out wave bands sensitive to rice and pest rice by adopting an unmanned aerial vehicle hyperspectral image and a continuous projection algorithm, and constructing a rice index RI and a rice-stem borer pest index RBPI; thresholds of rice and non-rice are determined by analyzing a box plot of the RI index, thresholds of healthy rice and rice stressed by chilo suppressalis are determined by analyzing a box plot of the RBPI index, and an effective basis is provided for distinguishing sample types; according to the method, the decision tree algorithm is adopted to effectively identify the distribution of the rice stressed by the striped rice borer pests, the efficiency and accuracy of striped rice borer pest monitoring are improved, rapid monitoring of the striped rice borer pests is realized, an important scientific basis is provided for agricultural management and decision making, and green and sustainable development of agriculture is promoted.

This application discloses an indoor artificial rearing method for the rice stem borer, belonging to the field of insect rearing technology. This method addresses the problems of drowning in young larvae and frequent disease outbreaks in older larvae caused by homogeneous rearing across all generations. It constructs a constant-temperature environment and prepares granular dry feed for young larvae and slightly dehydrated flake feed for older larvae based on differences in larval mouthparts. A heterogeneous three-dimensional rearing device is used. In the young larvae stage, a slow-release substrate at the bottom maintains a vertical humidity gradient, and layered feeding prevents mechanical damage to the larvae. In the older larvae stage, substrate-free bare-bottom rearing and full-volume replacement feeding are employed. Timely removal of filamentous netting blocks the breeding environment for soft rot. Furthermore, the method combines pupation induction with corrugated paper induction and non-contact moisturizing, humidification during the adult dark period to delay gelatinous hardening, and overall substrate replacement during the light period to achieve damage-free egg mass harvesting. This application, through precise age-based management, significantly improves the survival rate and population propagation efficiency of the rice stem borer across all generations.

The invention discloses a rice stem borer peak period detection method based on intelligent forecasting lamp data. The method comprises the following steps: step 1, acquiring and preprocessing insect pest monitoring time sequence data; 2, identifying and repairing abnormal trapping data based on the working condition characteristics of the insect trapping device; step 3, constructing a multi-peak Gaussian model; step 4, model adaptive optimal parameter selection and peak period detection; step 5, peak value merging and ecological generation division; and step 6, peak period information extraction and prevention and control window output. According to the method, the overall trend and peak value characteristics of the time sequence curve are utilized, local interference can be effectively reduced, and the accuracy and stability of moth peak recognition are improved; and multiple moth peak characteristics of multiple sites and multiple years in the region can be synchronously extracted, measurement standards do not need to be independently set for different scenes, and the method can be applied to large-range chilo suppressalis population dynamic monitoring.

The present application relates to a kind of rice Chilo suppressalis pest stress identification method based on unmanned aerial vehicle hyperspectral image, adopt unmanned aerial vehicle hyperspectral image, using continuous projection algorithm filters out the band sensitive to rice and pest rice, constructs rice index RI and rice Chilo suppressalis pest index RBPI, by analyzing the threshold of the box plot of RI index to determine rice and non-rice, analyze the threshold of the box plot of RBPI index to determine healthy rice and the rice stressed by Chilo suppressalis, and then provide effective basis for the distinction of sample type;Using decision tree algorithm effectively identifies the distribution of rice stressed by Chilo suppressalis, improves the efficiency and accuracy of Chilo suppressalis pest monitoring, realizes the rapid monitoring of rice Chilo suppressalis pest, provides important scientific basis for agricultural management and decision-making, and helps to promote the green and sustainable development of agriculture.

The utility model discloses a catching device for rice-stem borers, which comprises a support component, the support component consists of a fixed rod and an adjusting rod, and the adjusting rod is movably mounted in a moving groove on the fixed rod and used for adjusting the trapping height of a trap fixedly mounted on the support component. A height-adjustable catching device is arranged in a rice seedling bed, so that an adjusting rod on a supporting assembly on the catching device moves along a moving groove of a fixed rod and is rotationally connected with a plurality of L-shaped clamping grooves formed in the moving groove from top to bottom, and therefore the supporting height of the adjusting rod is adjusted; the height of the trapper fixedly installed on the adjusting rod to the rice seedlings is adjusted, so that the trapper captures the rice-stem borer moths after eclosion in the rice seedlings, and the control efficiency of the capturing device on the rice-stem borers is improved.

The present application relates to the technical field of breeding, in particular to an indoor breeding of the formula feed of the chemi-smithia brycei and the breeding method of the chemi-smithia brycei, the formula feed is added with the compound essential oil of eugenol, citral and cinnamic acid (mass ratio 0.8:0.5:0.3), the formula feed is low in mouldy rate and zero in formaldehyde residue. The breeding method comprises the following steps: directly feeding the fermented feed to the newly hatched larvae (without the transition of rice stems), feeding the low-density 3rd instar larvae in different pipes (10 larvae per dish), and replacing the feed only once in the whole process. The application of the present application completely eliminates the reproductive toxicity of chemical preservatives and is suitable for large-scale year-round breeding of standard insect sources.

This invention discloses the application of interfering with the expression of the conserved lepidopteran gene LSCG6 in the control of lepidopteran pests. The study found that interfering with LSCG6 in the early stages of silkworm egg development significantly reduces the egg turning rate and affects hatching. Feeding Asian corn borer larvae with LSCG6 dsRNA during their larval stage affects their development, with a 24-hour mortality rate exceeding 90%. Feeding rice stem borer larvae with LSCG6 dsRNA also affects their development, with a 24-hour mortality rate exceeding 40%. The LSCG6 gene of this invention, substances that promote the degradation of the gene transcript, substances that inhibit the synthesis of the gene transcript, or techniques that disrupt the expression of the gene can all be used for the control of lepidopteran pests. This invention provides a new target for the control of lepidopteran pests and provides a theoretical basis for the subsequent development of insecticides targeting this gene.

The utility model discloses an efficient separation device for larvae and prepupae of rice-stem borers. The efficient separation device comprises a bottom plate, an annular baffle, a separation blocking piece and a rotating disc. The annular baffle is fixedly arranged in the middle of the upper end of the bottom plate. The separation blocking piece is of an annular structure; the separation blocking piece is arranged on the annular baffle; the rotating disc is arranged at the upper end of the inner ring of the annular baffle, and the lower end of the rotating disc is connected with a driving motor. The device has the advantages that the device is easy to operate, and chilo suppressalis larvae and prepupae of different ages can be well separated out through the separation blocking piece and collected in the corresponding containing boxes.

The present invention belongs to the field of pesticide insecticide technology and discloses an insecticidal composition and its use. The active ingredients of the insecticidal composition include active ingredient A and active ingredient B. Active ingredient A is a compound of formula I: #imgabs0#, and active ingredient B is a diamide compound, including any one of flubendiamide, flubendiamide, thiobencarb, chlorocyanamide, and tetrachlorfenapyr. The mass ratio of active ingredient A to active ingredient B is 1:40 to 40:1. The insecticidal composition of the present invention can effectively control lepidopteran pests such as diamondback moth, cabbage looper, and rice stem borer, and has the advantages of significant synergistic effect, expanded insecticide spectrum, reduced application amount, and crop safety.

This invention discloses a rice-wheat rotation farmland ecosystem based on an intercropping natural enemy conservation zone of Angelica sinensis and Osmanthus fragrans, and a cross-seasonal pest control method. The method involves planting Osmanthus fragrans trees at 3-5 meter intervals along field ridges, with Angelica sinensis interspersed among them, thus constructing a perennial natural enemy conservation zone. During the flowering periods of Angelica sinensis (May-June) and Osmanthus fragrans (September-October), volatile compounds are released, providing nectar and pollen to attract natural enemies such as ladybugs, lacewings, hoverflies, and parasitic wasps to colonize and proliferate. These natural enemy populations naturally migrate into the farmland during the wheat and rice seasons to control pests such as wheat aphids, rice planthoppers, and rice stem borers, with significant control effects and reducing pesticide application by 1-2 times. This perennial system is easy to manage and can generate economic benefits from the harvest of Angelica sinensis and Osmanthus fragrans, providing a technical approach for green agriculture in rice-wheat rotation areas.

The invention discloses a method for measuring the resistance of rice-stem borers, and belongs to the technical field of resistance identification. The invention discloses a method for indoor determination of Chilo suppressalis resistance, which comprises the following steps: selecting 10-14-day-old rice seedlings, wrapping the roots of the seedlings, and fixing the seedlings in a culture container; inoculating weighed chilo suppressalis larvae into each container, sealing the opening of the container, and culturing under the condition of a lower light source. And observing and recording the death conditions of the rice and the chilo suppressalis larvae, when the death rate of the to-be-controlled variety is higher than 80%, counting the survival rate of the rice of each tested material, the chilo suppressalis weight growth inhibition rate and the chilo suppressalis larva correction death rate, and evaluating the resistance level of the tested rice material. According to the method, resistance determination is carried out by taking seedling-stage rice as an object indoors, rice-stem borer resistance determination can be rapidly and efficiently carried out, the period of rice-stem borer resistance determination in the past is greatly shortened, and manpower and material resources are saved.

The utility model discloses a rice-stem borer adult trapping device, and relates to the technical field of pest control, the rice-stem borer adult trapping device comprises a stand column, connecting rods are symmetrically and fixedly installed on the outer wall of the stand column, a trapping mechanism is arranged between the outer walls of the two connecting rods and used for trapping pests, and the trapping mechanism comprises a shell assembly and a trapping assembly, and the shell assembly comprises a shell, the outer wall of the shell is fixedly connected with the connecting rod, and a rotating bottom plate is rotationally arranged at the bottom end of the shell. According to the rice-stem borer adult trapping device, volatilization of attractants distributed on the rotating bottom plate is accelerated, volatilized smell overflows outwards from the top end of the shell, so that pests are attracted into the power grid, when the pests make contact with the power grid, the pests can be killed in the daytime, and the pest trapping effect is good. And the device can trap pests through the trap lamp at night, so that the pests can be effectively killed in the daytime and at night, and the practicability of the device is improved.

The invention provides a chilo suppressalis insect source detection method which comprises the following steps: (a) horizontally placing rice straws to be detected in a detection space which is formed between a first loading base and a second loading base of an objective table, the two ends of the to-be-detected rice straw are fixed to the first carrying base and the second carrying base respectively, (b) vibrating the first carrying base of the carrying table so that the to-be-detected rice straw can vibrate, the vibration duration time is not shorter than 15 seconds, and (c) after vibration is completed, the to-be-detected rice straw is separated from the to-be-detected rice straw. The method comprises the following steps: (a) emitting X-light rays to rice straws to be detected through a plurality of X-light ray sources arranged along the horizontal direction of an X-light ray source array, (d) receiving the X-light rays passing through the rice straws to be detected through a photosensitive plate, and (e) imaging the rice straws to be detected according to data generated by sensing the X-light rays through the photosensitive plate, and counting the number of the detected chilo suppressalis according to the imaging.

The invention relates to high-stability profenofos and thiamethoxam compound synergistic missible oil, and relates to the technical field of pesticides, and the high-stability profenofos and thiamethoxam compound synergistic missible oil is prepared from the following raw materials in parts by mass: 20-50% of profenofos technical, 5-20% of thiamethoxam technical, 1-5% of an epoxy aid, 0.5-1% of an ether aid, 0.2-1.0% of a synergist, 3-6% of an emulsifier A, 8-10% of an emulsifier B, 1-5% of an emulsifier C and the balance of a solvent, totaling 100%. The profenofos-thiamethoxam compound missible oil has the effect of improving the control performance of the compound missible oil, the problem that profenofos in a profenofos and thiamethoxam system is decomposed too fast can be solved, rice planthoppers, chilo suppressalis and rice leaf folders are controlled at the same time, and the control effect is remarkably improved.

The present invention relates to the technical field of pest control, and in particular to a method for "three-state control" of rice pests. The present invention sprays insect pathogenic nematodes and releases trichogrammatids during the rice growth period, combines insect trap lamp technology, and simultaneously controls three insect states, effectively solving the problem of rice borers being difficult to prevent and treat due to overlapping generations, and at the same time, can effectively reduce the insect population base of local pests such as rice stem borer, greatly reducing the degree of damage to rice; the control means of the three insect states are all green biological means, will not produce drug resistance, and can effectively solve the problem of difficulty in prevention and treatment caused by enhanced drug resistance of rice pests; the control means of the three insect states are all green biological means, and there will be no pesticide residues in rice plants and grains.

This application provides a detection primer, method, and application for the Y4667D / C mutation of the nicotine receptor in the rice stem borer, belonging to the field of agricultural pest resistance detection technology. The detection primer set is designed for the Y4667D / C mutation site, a target receptor for the rice stem borer's high resistance to diamide insecticides. It includes a first primer set for simultaneous detection of Y4667D and Y4667C, a second primer set for genotypic specific detection of Y4667D, and a third primer set for genotypic specific detection of Y4667C; each primer set contains 6-8 primers (outer, inner, and loop primers). The detection method primarily relies on visual interpretation of genotypes through color changes in the reaction solution, eliminating the need for a thermal cycler. It offers advantages such as multiple tests per tube, flexible splitting, and high sensitivity. This invention is suitable for rapid field detection of mutant genotypes and frequencies in the rice stem borer, providing technical support for diamide insecticide resistance monitoring and scientific management.

The invention provides a spinetoram microemulsion as well as a preparation method and application thereof. The microemulsion belongs to a thermodynamic stable system, the effective components stably exist in the form of nanoscale particles, the microemulsion is stable and not layered after being stored for a long time, the pesticide effect exertion is not affected, and when the microemulsion is used in a spraying mode, the leaf surface wetting performance is excellent, and the leaf surface spreading capacity is high. The microemulsion disclosed by the invention can give full play to the pesticide effect, obviously improve the prevention and treatment effect of chemical agents, ensure the safety of crops, and effectively prevent and treat thrips, chilo suppressalis, red spiders, aphids and other resistant bugs.

This invention relates to a detection device and method for overwintering and pupating rice stem borers. The detection device includes a box, a box cover, a rice stem borer cultivation mechanism, a rice stem borer growth monitoring mechanism, and a fixing mechanism. Different overwintering rice stem borer species are placed into corresponding rice plants and covered with porous plastic bags. The sound vibrations caused by the rice stem borers feeding and touching the rice plants and plastic bags are used by the rice stem borer growth monitoring mechanism to determine their growth stage. In conjunction with an environmental noise identification device and an environmental noise treatment device, the influence of external noise on the detection is minimized. A two-level early warning system is also included. The device infers the state of rice stem borers in the external field based on the environmental system within it. This allows for rapid assessment of the actual situation in the rice field through simple operation, and has significant practical implications.