46 results about "Bark beetle" patented technology

The invention discloses a chitosan-based anti-freezing antibacterial spraying agent for cutting surfaces of rubber trees and a preparation method thereof. The spraying agent contains active ingredients, an additive and a propellant. The active ingredients comprise chitosan, tea-tree essential oil, polyvinyl alcohol, a plant growth regulator and glacial acetic acid. The spraying agent can form a layer of cold-proof antibacterial protective film on cutting surfaces of rubber trees, and not only enables the cutting surfaces of the rubber trees to avoid freezing injury and live through the wintersafely and protects the cutting surfaces from bark cracking and gummosis, but also is capable of protecting the cutting surfaces of the rubber trees from infection of pest and disease damages of strip canker, bark beetle and the like. The spraying agent is mild in preparation conditions and simple in preparation process, industrialized production of the chitosan-based anti-freezing antibacterial spraying agent is easy, and the chitosan-based anti-freezing antibacterial spraying agent is convenient to carry and simple to operate.

The invention provides a pesticide for preventing and controlling Bursaphelenchus xylophilus and an injection method thereof. The pesticide for preventing and controlling Bursaphelenchus xylophilus comprises an effective medicament X, compound auxiliaries Ai-Aj and solvent S which form an X-Ai-Aj-S system; based on preparing 1L of the pesticide, the consumption of the compositions is that: the consumption of the effective medicament X is 5 to 40g, the consumption of the auxiliary Ai is 100 to 150ml, the consumption of the auxiliary Aj is 150 to 200ml, the consumption of the solvent S is 600 to700ml, and the balance is water; and the concentration of the prepared pesticide is 0.5-4g / ml. Through experiments, the pesticide has good effect of preventing and controlling the Bursaphelenchus xylophilus, and also has good effect of preventing and controlling Monochamus alternatus Hope, Atysa marginata cinnamomi Chen, sweetgum palmerworms, Dendrolimus houi Lajonquiere, Hylobius abietis, pine bark beetles and the like; and drilling machinery provided by the invention and the injection method adopting the drilling machinery are simple and practical, do not consume fuel or electricity, and are particularly suitable to meet the requirement of preventing and controlling plant diseases and insect pests in mountain woods and forests.

The invention relates to an oriental arborvitae stem borer attractant, which is formed from the preparation of oriental arborvitae extractive and solvent. The main component weight ratio of the oriental arborvitae stem borer attractant is 40 to 55% thujopsene, 10 to 20% cedrol, 6 to 10 % two-table-Alpha-cedrene, 4 to 6% farnesene, 2 to 4% 3-carene and 15 to 30% ethanol. The attractant has the manufacturing method that the cypress fragment added with the proper solvent either ethanol or absolute ethyl ether is extracted in the 70-110 degree temperature. After 1.5 to 2.5 hours cooking and 0.5 to 1 hour condensing, the condensed cream and the crystal are formed, and a solvent and blended is added until in full dissolution. Thus the saturated liquid is made. The supernatant is taken i.e. the attractant liquid. The application method of the invention is characterized in that a special trap is used for pest trapping. The test result shows that the attractant of the invention has an excellent luring effect for pests such as juniper bark borers, cypress bark beetles and so on. The effective time in which each bottle of medical solution maintains is more than 15 days. Not only with high luring activity, but also the invention is pollution free with low cost and simple manufacturing process, which is cost saving, safe, direct, environment friendly and effective.

The invention provides a pesticide film forming agent used for controlling diseases and insect pests of forest trees, and its preparation method. The pesticide film forming agent comprises 0.5-10% of an active component, 0.5-10% of a film forming aid, 5-15% of a solvent, 5-15% of an aid and 50-80% of water; and the active component is one of or a mixture comprising several of tebuconazole, difenoconazole, propiconazole and emamectin benzoate. The drug film forming agent has a good control effect on the diseases and insect pests of the forest trees, has a low price, is convenient to use, and has a good control effect on the dry rot diseases of hickory trees, the canker of various trees, stalk longhorn beetles and bark beetles, leaf aphids, red spider mites and the like especially; the drug film forming agent reduces the active component volatilization and loss possibility and changes the release performance, so the residual period is prolonged, the drug dose and the dosing frequency are reduced; and the drug film forming agent reduces the toxicity of highly toxic pesticides, reduces the acute toxicity of pesticides, reduces the drift of the pesticides, and mitigates the pollution to the environment and the hazard to crops.

An indoor feeding and life history observation method of a bark beetle belongs to the technical field of insect feeding and control and solves the problem that observers cannot observe life habits such as gallery building, mating, oviposition, feeding and growth of larvas and life history of the bark beetle by means of an existing indoor bark beetle feeding technology. The method comprises the following steps: (1) preparation of a host wood section, (2) preparation of an insect feeding cage, (3) collection of imagoes, (4) insect receiving and feeding, (5) observation of the characteristics of imago intruding holes and mother galleries and observation statistics of oviposition quantity, (6) inoculation of eggs and observation of incubation behaviors, (7) observation of feeding behaviors and characteristics of son galleries, (8) inoculation of pupas and observation of pupation behaviors and (9) inoculation of imago eclosion. The method enables the observers to conveniently track and observe life habits and states of an imago stage, an egg stage, a larva stage and a pupal stage of the bark beetle, and provides scientific evidence for comprehensive control of the bark beetle.

The invention discloses an aggregation pheromone attractant for attracting Ips nitdus Eggers to trap and kill Ips nitdus Egger, composed of following ingredients: 2-methyl-3-buten-2-ol of 65-90%, (+ / -)-ipsdienol of 2-20%, (S)-cis-verbenol of 1-10% and trans-verbenol of 0-5%. The ingredients of the attractant provided by the invention are mixed well, and loaded in delivery carriers (attracting cores) of PE plastic bag type, bottle type, rubber stopper type, etc. to use. The invention belonging to natural volatile organic substance has stable structure, and stable chemical property at normal temperature and pressure, compared with normal chemical control, has the characteristics of no toxicity, no pollution, high efficiency, safety to environment and natural enemies, and is suitable for the monitor of the emergence period, emergence zone, population dynamics of Ips nitdus Eggers and production control of large-area trapping and killing.

The invention provides a primer, a kit and a method for detecting Dendroctonus pseudotsugae Hopkins. The detection method is nested PCR, and the primer used in the invention is represented by SEQ ID NO.1 and SEQ ID NO.2. The invention also provides a Dendroctonus pseudotsugae Hopkins detection kit containing the primer. The detection method and the kit have the advantages of simplicity in operation, good accuracy and reliability, short detection time and good specificity, and can distinguish Dendroctonus pseudotsugae Hopkins and other bark beetles, and the detection limit is 20 pg.

The invention discloses a method for artificially propagating pyemotes bark beetle and the application in biological control of bark beetle pests. The method for artificially propagating pyemotes bark beetle through Callosobruchus chinensis comprises the steps as follows: firstly, a host that is Callosobruchus chinensis is produced; secondly, protospecies of pyemotes bark beetle is prepared; and thirdly, pyemotes bark beetle is propagated. The method and the application have the benefits as follows: the difficult problem of propagating pyemotes bark beetle to replace the host is solved; pyemotes bark beetle can be propagated in large quantities; the method is simple and convenient to operate; large-scale production can be carried out; the method is applicable to control Scolytus seulensis Murayama pests on forests and fruit trees such as apricot trees, peach trees and plum trees; the problem that the forests and the fruit trees such as the apricot trees, the peach trees and the plum trees are damaged by the Scolytus seulensis Murayama pests and whole branches or entire trees die back further because the parasitism rate of pyemotes bark beetle is lower can be solved; therefore, the requirements of forestry and fruit Industry production can be satisfied, pollution on the environment cannot be caused, and the method is an effective technological means for controlling the Scolytus seulensis Murayama pests in an environmental protection manner.

The invention provides a synthesis method of an oxygen-containing derivative bark beetle pheromone verbena ketene of alpha-pinene and verbenol, which is a synthesis method of the verbena ketene and the verbenol with high conversion rate, wherein the conversion rate of the alpha-pinene is nearly 100 percent; the yield of (-) -verbena ketene is 57 percent, the yield of (+)-verbena ketene is 60 percent, the yield of (-)-cis verbenol is 89 percent, the yield of (+)-cis verbenol is 79 percent, the yield of (-) -trans verbenol is 51 percent, and the yield of (+)-trans verbenol is 49 percent. The obtained products oxygen-containing derivative bark beetle pheromone verbena ketene of alpha-pinene and verbenol can be used for preventing pinaceae plant pests.

The invention relates to a preparing method for slow release pill grain agent of porous farina bristletail attractant. The method includes the steps of: (1) making the porous farina adsorbing bristletail attractant into different sized pill grains; (2) putting the prepared pill grains into high molecular compound solution of which the weight percentage is 5-10 percent and which can form polymer membrane, and soaking the pill grains in the cross linking agent saturated solution for 0-12 minutes to ensure that the polymer membrane is solidified fully, then taking the grains out for airing naturally. The method is easy to produce with low cost, and is applicable for industrially producing the bristletail attractant slow release agent which can effectively control the release speed.

The invention provides an aggregated pheromone attractant for trapping oriental Ips, which is used to monitor and trap the oriental Ips and composed of 46%-85% of (plus / minus) bark beetle-enol or (minus)-bark beetle-enol, 10%-30% of cis-verbena enol, 5%-20% of trans-verbena enol, and 0%-4% of bark beetle-dienol. The components of the attractant are evenly mixed and cased into the polyethylene plastic bag-type, bottle-type, rubber-plug-type and other release carriers (induced core) for use. The invention belongs to the natural volatile organic substances and has stable structure and stable chemical properties of atmospheric pressure and ambient temperature; compared with conventional chemical control, the aggregated pheromone attractant is non-toxic, non-polluting and highly efficient, which is safe for the environment and the natural enemies; moreover, the invention can be used for species dynamic monitoring and production prevention and control of large-scale trapping in the oriental Ips emergence period and emergence areas.

The invention discloses a pinus yunnanensis bark beetle-resisting mingled forest mode rapid screening method, and relates to a combined method for intergrowth of various forests. The method comprises the following steps of: selecting a mingled proportion by using a Y-shaped olfactometer, setting a replacement corresponding set of pinus yunnanensis needles and non-host leaves on a reaction arm (n is not greater than 10) of the Y-shaped olfactometer, and then selecting different mingled modes by using branch frames, wherein Cupressus torulosa, camphor trees and Cyclobalanopsis glaucoides are used as the non-host leaves and branches for testing. As a result, the inter-plant mingled forest culture of the pinus yunnanensis and the non-host leaves is better, and the non-host leaves appropriately account for 30%-50%. The method has the advantage of less material consumption and can rapidly and conveniently forecast the disease and inset-resisting mingled forest modes.

The invention relates to the field of identifying walnut bark beetles, and in particular relates to a primer, a kit and a method for identifying the walnut bark beetles. The primer for identifying the walnut bark beetles consists of a first primer pair, a second primer pair, a third primer pair and a fourth primer pair; and the base sequences of four pairs of primers are shown by SEQ ID No.1-8. The primers are obtained by virtue of multiple times of verification of standard substances according to systematic biology in combination with known sequences of close species of the walnut bark beetles, are strong in specificity, high in sensitivity and good in repeatability, and can be used for identifying the walnut bark beetles very stably and quickly. The kit for identifying the walnut bark beetles, provided by the invention, is convenient and quick, and the method for identifying the walnut bark beetles takes the first primer pair, the second primer pair, the third primer pair and the fourth primer pair as primers to perform PCR (polymerase chain reaction) amplification on a genome extract of a to-be-detected sample, and then detect PCR amplification products, is convenient and quick and is high in reliability.

The invention provides a method for controlling Yunnan tip cutting bark beetles through alnus ferdinandi-coburgii. According to the method, the alnus ferdinandi-coburgii is planted at the edge and the forest gap of Yunnan pinewoods where Yunnan tip cutting bark beetles exist and open space with damaged wilting Yunnan pines and Yunnan pines at the death-hour according to the planting space of 1.5-3 m*1.5-3 m, the method is suitable for areas where the alnus ferdinandi-coburgii grows, and after the alnus ferdinandi-coburgii is nurtured for four years to five years, the Yunnan tip cutting bark beetle disease can be gradually controlled till the Yunnan tip cutting bark beetle disease is completely restrained. According to the method for controlling the Yunnan tip cutting bark beetles through the alnus ferdinandi-coburgii, the Yunnan tip cutting bark beetle disease can be gradually controlled till the Yunnan tip cutting bark beetle disease is completely restrained, the stand structure can be improved, the forest stock is increased, the diversities of species are improved, the method has the advantages of being environmentally friendly, small in investment, large in benefits, simple and easy to implement, learn, grasp and popularize, production and yield can be improved, and the land utilization rate can be increased.

A controlled pesticide delivery system includes a film-forming alkanol solution of at least one amphiphilic polymer and at least one pesticide composition for the treatment of at least one pest in gardens, landscapes, forests, and wooden structures, targeting at least one pest selected from fire ants, tent caterpillars, gypsy moths, wood-boring beetles, and bark beetles during at least one phase of their life cycles.

The invention discloses a special attractant for trapping and killing adults of Chestnut beetle, the attractant and its application method in the forest. The special attractant includes sugars:acids:related compounds:purified water=30:10:1:59 mass ratio The mixture of related compounds is formulated according to the nutrients in the bark sap of the species of Chestnut longhorn beetle. The special attractant is to add 1% mass ratio deltamethrin stock solution to the above special attractant. Applying this method in the forests of Mongolian oak forest, Liaodong oak forest or other tree species endangered by Chestnut beetle can not only attract a large number of Chestnut beetle adults, but also effectively kill them. It has low cost, easy to use, and is environmentally safe. The advantages.

This application reveals a methodology for making a preserved composite wood product from wood infested with a fungus associated with a bark beetle, and the preserved composite wood product produced thereby. In one embodiment, the method involves profiling lumber to remove a portion of fungus infested wood or bark, leaving a profiled board having a bonding surface comprising a remaining portion of fungus infested wood, treating the profiled board with a liquid comprising a lumber additive, so that the board absorbs the liquid and the remaining portion of the fungus infested wood on the bonding surface acquires a retained concentration of the lumber additive, to form a treated board, and joining the bonding surface to one or more pieces of wood along a longitudinal junction, to form a composite wood product that has an interior and an exterior, so that an interior segment of the longitudinal junction is formed by the remaining portion of the fungus infested wood on the bonding surface located in the interior of the composite wood product, wherein the retained concentration of the lumber additive in the interior segment is at least as high as the concentration of the lumber additive at any point on the exterior of the composite wood product.

The invention discloses a chitosan-based anti-freezing antibacterial spraying agent for cutting surfaces of rubber trees and a preparation method thereof. The spraying agent contains active ingredients, an additive and a propellant. The active ingredients comprise chitosan, tea-tree essential oil, polyvinyl alcohol, a plant growth regulator and glacial acetic acid. The spraying agent can form a layer of cold-proof antibacterial protective film on cutting surfaces of rubber trees, and not only enables the cutting surfaces of the rubber trees to avoid freezing injury and live through the winter safely and protects the cutting surfaces from bark cracking and gummosis, but also is capable of protecting the cutting surfaces of the rubber trees from infection of pest and disease damages of strip canker, bark beetle and the like. The spraying agent is mild in preparation conditions and simple in preparation process, industrialized production of the chitosan-based anti-freezing antibacterial spraying agent is easy, and the chitosan-based anti-freezing antibacterial spraying agent is convenient to carry and simple to operate.

The invention provides a method for controlling Yunnan tip-cut bark beetles. The method comprises the steps that in the last ten days of February to the last ten days of April every year, victim wilting wood and dying wood of pinus yunnanensis, which are suffered from invasion of the eggs and larvas of the Yunnan tip-cut bark beetles are cut down; in the last ten days of May to the middle ten days of July in the same year, the victim wilting wood and the dying wood of pinus yunnanensis, which are suffered from invasion of the eggs and larvas of the Yunnan tip-cut bark beetles in the first cutting-down area in the A step are cut down for the second time. Accordingly, the harm, diffusion and spreading of the Yunnan tip-cut bark beetles can be effectively restrained. The method for controlling the Yunnan tip-cut bark beetles is simplest, most convenient and most obvious in effect.

The invention discloses a mosquito-preventing and insect-expelling sachet and a preparation method thereof. The sachet comprises the following medicinal components: 10-15 parts of rhizoma cyperi; 7-10parts of piper sarmentosum; 4-6 parts of daphne odera; 4-6 parts of galangal and 3-5 parts of castor leaves; and 3-5 parts of sapium sebiferum. The medicinal materials in the sachet disclosed by theinvention have the effects of expelling mosquitoes and flies, preventing insects and preventing moths, and particularly have extremely strong expelling and killing effects on mosquitoes, bark beetles,mites, costumes, moths and the like; and the sachet is fragrant in smell, and can purify indoor air, so that people feel relaxed and happy.

The invention relates to a bark beetle special-purpose formula, belongs to the subject field of agricultural science and belongs to the niche area of plant protection. The invention relates to a two-component compounded pesticide composite containing imidacloprid and a high-efficiency synergist, wherein the content of imidacloprid is 0.2-2% by weight and the content of the synergist is 1-3% by weight. The dosage form of the pesticide composite is pulvis, is a special effective formula for killing bark beetle and has a good effect of killing adult bark beetle. The drug applying dose is 2-4 g / mu (converted to 100 wt% of imidacloprid). The bark beetle special-purpose formula has characteristics of high efficiency, low toxicity, low residue, wide insecticidal spectrum and substantial synergism, and can remarkably reduce use cost. Simultaneously, the formula also can be used to control larva of sawfly, pine caterpillar, pine tussock moth, pine trip moth and the like.

The invention relates to a Huashan pine bark beetle attractant, whose active ingredients are aggregation pheromone and host kaimonin. Each component and its release rate in the Huashan pine beetle attractant of the present invention are trans-verbenol (tV) 0-10 mg / d, 3-methyl-2-cyclohexen-1-ol (SD), 7 -Ethyl-5-methyl-6,8-dioxobicyclo[3,2,1]octane (EBV) and 1-methyl-2-cyclohexen-1-ol (MCOL) 0-3mg / d, α-pinene 0-500 mg / d, Δ3-carene, β-pinene, limonene, β-myrcene and (+)-longifolene 0-100 mg / d. The invention can effectively lure the Huashan pine beetle, has a strong ability to lure adult hermaphrodites, has a simple preparation process and is convenient to use.

The invention discloses an LAMP (loop-mediated isothermal amplification) primer group for identifying bark beetles and application of the LAMP primer group. The LAMP primer group is composed of a prime-F3, a prime-B3, a primer-FIP and a primer-BIP, and nucleotide sequences of the LAMP primer group are sequentially shown as a sequence 1 to a sequence 4 in a sequence table. The LAMP primer group provided by the invention can be used for identifying whether the to-be-detected bark beetles are or are candidate bark beetles, and can also be used for detecting whether a to-be-detected sample contains or is candidate to contain the bark beetles, and distinguishing the bark beetles from other bark beetles. Experiments prove that when the LAMP primer group is used for identifying the bark beetles, high specificity and high sensitivity are achieved, and simple, convenient, rapid and accurate detection can be achieved. The method has great application value.

The invention discloses a GC-IMS (Gas Chromatography-IP Multimedia Subsystem)-based early prediction method for the invasion quantity of oriental arborvitae bark beetles. Healthy and damage-free platycladus orientalis plants are selected, different quantities of adult platycladus orientalis are inoculated to different platycladus orientalis samples, and volatile matter collection and GC-IMS detection are performed after a period of time. A multi-linear principal component analysis method is adopted to carry out characteristic parameter extraction on GC-IMS data, the number of characteristics is optimized through cross validation, and finally a partial least square model of the platycladus orientalis GC-IMS characteristic parameters and the invasion number of the platycladus orientalis bark beetles is established. The partial least squares regression model is applied to early prediction. By means of the method, early prediction of the number of the platycladus orientalis invaded by the platycladus orientalis can be achieved, complex pretreatment operation is not needed, repeatability is good, the platycladus orientalis plants are not damaged in the detection process, and a new method is provided for early warning of forest trunk borers.

The invention provides a formula for a trapping agent of bark beetles in rubber and discloses a drug formula for trapping and killing the bark beetles in a natural rubber forest. The formula comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is ethanol with a concentration of 75%; the active ingredient B is cis-verbenol; and the volume mass ratio of the active ingredient A and the active ingredient B is 6000: 1. The formula provided by the invention is an aqueous solution, can trap numerous bark beetle pests in the natural rubber forest, can significantly improve the prevention and control effects of the bark beetles and has great popularization and application values.

The invention relates to the field of biological attractants, in particular to a broad-spectrum attractant for bark beetles as well as a preparation method and application of the broad-spectrum attractant. The broad-spectrum attractant for the bark beetles comprises Ipsdienol (Id), (S)-cis-verbenol (cV), exo-Brevicomin (xB), ethanol (E) and alpha-pinene (P), has a very strong trapping effect on multiple Genuses of insect adults in the bark beetles, is low in cost and high in broad-spectrum property, can play a role in efficiently trapping multiple bark beetles in different working environments at the same time, wherein pheromones of part of the trapped small beetles are even not clear. Meanwhile, the attractant has a relatively strong attraction effect on multiple insects such as longhorn beetles, weevils and paillettes, so that the attractant is more beneficial to popularization and application.

A composition which causes adult boring bark beetles to discontinue boring, discontinue laying eggs and become disoriented and bore out of the tree or cease boring altogether and die is described. Additional tests have shown that beetles will not infest a tree which has been treated with the compositon. Furthermore, the composition also causes beetle larvae to cease boring and die and also causes egg sacks to shrivel and die.