3 edition of Log bioassay of residual effectiveness of insecticides against bark beetles found in the catalog.
Log bioassay of residual effectiveness of insecticides against bark beetles
Richard H. Smith
by U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station in Berkeley, Calif
Written in English
|Statement||Richard H. Smith.|
|Series||Research paper PSW -- 168.|
|Contributions||Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)|
|The Physical Object|
|Pagination||8 p. :|
Richter, D. Control of bark beetles in the five new states of the Federal Republic of Germany, In. A. Wulf and R. Kehr (Eds.). Bark Beetle Hazards Following Storm Damage: Possibilities and Limits of Integrated Control. Colloquium, Braunschweig, Germany. more effective insecticides and their subsequent lost in usefulness due to development of resistance in the target pest species (Talekar and Shelton, ). In India, the patterns of use of insecticides vary significant between locations to location. The insecticide use is .
Tim-bor Professional is an insecticide, fungicide and wood preservative for the protection and treatment of lumber against fungal decay and wood destroying insects. Tim-bor is a water soluble, inorganic borate salt with insecticidal and fungicidal properties. Insecticides currently registered for red clover are not effective against the pest (Rao et al. ). In Chile, new cultivars are being evaluated against the pest (Alarcón et al. ), but in the U.S., no efforts are being directed towards examination of host plant resistance.
Insecticide resistance in a vector population is initially detected and characterized by using some sort of bioassay to determine whether a particular insecticide is able to control a vector at a given time. Ideally, this fundamental question should be answered before a particular insecticide . The detection of insecticide resistance in natural populations of Anopheles vectors is absolutely necessary for malaria control. In the African region, the WHO insecticide susceptibility test is the most common method for assessing resistance status. In order to search for a simple, rapid and more reliable technique in the assessment of insecticide resistance in malaria vectors, we compared.
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Get this from a library. Log bioassay of residual effectiveness of insecticides against bark beetles. [Richard H Smith; Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)] -- Residual effectiveness of nine insecticides applied to bark was tested against western, mountain, and Jeffrey pine beetles.
Ponderosa and Jeffrey pine trees were treated and logs cut from them 2 to. log Bioassay of Residual Effectiveness of Insecticides Against Bark Beetles Richard H. Smith. The Author: RICHARD H. SMITH is a research entomologist with the Station'sresearch unit that is studying improved technology for integrated management ofwestern forest insects, with.
Key Words: Western pine beetle, mountain pine beetle, Jeffrey pine beetle, lindane, Sevin, Reldan, Dursban, Sumithion, Imidan, malathion, permethrin, decamethrin. View and Print this Publication ( KB) Citation. Smith, Richard H.
Log bioassay of residual effectiveness of insecticides against bark beetles Res. Paper PSW-RP Log bioassay of residual effectiveness of insecticides against bark beetles / Richard H.
Smith. By Richard H. (Richard Harrison) Smith. Abstract. 8 p. Topics: Bark beetles--Control--California., Insecticides--Research., Biological assay Author: Richard H.
(Richard Harrison) Smith. Several studies have evaluated the efficacy of trunk-injected insecticides against nematodes, bark and ambrosia beetles, and other pests, in commodity and landscape trees, including avocado (Peña. In an effective bioassay, the indicator species should be sufficiently sensitive to detect even small amounts of insecticides and should express the response with increasing concentrations .
The toxic interactions of an insecticide with a biological system are dose dependent. The toxicity of an insecticide to an organism is usually expressed. Trapping western pine beetles with baited toxic trees [microform] / Richard H.
Smith U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station Berkeley, Calif Australian/Harvard Citation. Smith, Richard H. & Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.).
Log bioassay of residual effectiveness of. insecticides against bark beetles. PaciÞc Southwest Forest Bifenthrin was the most effective insecticide for reducing beetle attacks and gallery.
Bark beetles (Coleoptera: Curculionidae, Scolytinae) are important disturbance agents in conifer forests. The genera Dendroctonus, Ips, and Scolytus are well recognized in this regard ().For example, in western North America, the mountain pine beetle (Dendroctonus ponderosae Hopkins) colonizes several tree species, most notably lodgepole pine (Pinus contorta Dougl.
ex Loud.). A modified residual contact vial bioassay (RCV) in which a small aliquot (1 μl) of water was supplemented to minimize control mortality was established as a rapid insecticide resistance monitoring tool for the western flower thrips, Frankliniella on the RCV scheme, diagnostic doses for seven insecticides that are widely used for F.
occidentalis control were. Insecticide bioassay with insects or other arthropods often is used to estimate the median lethal dose (LD 50) or concentration (LC 50) and its associated 95% confidence intervals (95% CI) from a dose-response LD 50 or LC 50 is the dose or concentration of an insecticide required to kill 50% of a given population or strain under the specified conditions.
Log bioassay of residual effectiveness of insecticides against bark beetles Pacific Southwest Forest and Range Experiment Station, Forest Service, U. Department of Agriculture. Log Bioassay of Residual Effectiveness of Insecticides Against Bark Beetles.
Richard Harrison Smith. Residual effectiveness of nine insecticides applied to bark was tested against western, mountain, and Jeffrey pine beetles. Ponderosa and Jeffrey pine trees were treated and logs cut from them 2 to 13 months later, and bioassayed with the three.
Log bioassay of residual effectiveness of insecticides against bark beetles / (Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, ), by Richard H. Smith and Calif.) Pacific Southwest Forest and Range Experiment Station (Berkeley (page images at HathiTrust).
Permethrin SFR is a broad spectrum insecticide that offers a quick knockdown of target pests like ants, fleas, ticks, flies, and more, as well as a long-lasting residual that lasts for about 90 days indoors and 30 days outdoors. Permethrin SFR product may be used indoors and.
Among phenyl-pyrazole family of insecticides, fipronil is a relatively new insecticide that is found to be very effective against cockroaches and other household pests. Previous studies have also explained the strong neurotoxic effects of fipronil, which demonstrate that even a very low dose of it is suitable enough to attain desirable results.
insecticides was tagged for investigation on residual toxicity of insecticides. The number of test insects used for the bioassay studies was ten for each treatment in each replication. The treated part of head were brought in to the laboratory at specified intervals.
The treated part of head were kept in to the plastic container separately. residual toxicity and non-target effects of these synthetic insecticides should also be determined under field conditions.
References 1. Abbott WS. A method for computing the effectiveness of an insecticide. Journal of Economic Entomology. ; 2. Ackonor JB.
3 Guideline for Evaluating Insecticide Resistance in Vectors Using the CDC Bottle Bioassay PREFACE Insecticide resistance in a vector population is initially detected and characterized by using some sort of bioassay to determine whether a particular insecticide is able to control a vector at a given time.
Florida Entomologist 94(2) June LABORATORY TOXICITY AND FIELD EFFICACY OF SELECTED INSECTICIDES AGAINST FALL ARMYWORM (LEPIDOPTERA: NOCTUIDAE) 1 JARROD T.
HARDKE2, JOSHUA H. TEMPLE2, B. ROGERS LEONARD2 AND RYAN E. JACKSON3 2LSU AgCenter, Louisiana State University, Baton Rouge, LA 3USDA-ARS, Southern Insect Management.
The residual activity of WG formulation of deltamethrin at 25 mg/m 2 was effective for six weeks after treatment on Aedes vectors in Kuala Lumpur, based on biweekly bioassay.
In Iran, deltamethrin WG 25% 25 mg/m 2 was reported to remain effective against a lab-bred Anopheles stephensi strain for three months on plaster surfaces, two-two-and.Analyze data using Log Dose probit to determine the lethal concentration required to kill 50% of a population (LC 50) and establish 95% confidence intervals (CL).
Multiple software programs are available to determine the LC 50 (SAS: PROC PRO Polo-Plus 32). 3. Notes. Work with acetone and insecticides under a negative-flow air hood. One approach could be the use of insecticides applied to the surface of logs.
Insecticides are a commonly used management technique for protecting individual trees from bark beetle attack (Fettig et al. ) and have been shown to be effective against attack on cut logs and lumber (Strom and RotonFettig et al.