Search Results - "Alstad, D"

Managing the evolution of insect resistance to transgenic plants by Alstad, D.N. (University of Minnesota, St. Paul, MN.), Andow, D.A

“…The evolution of resistance in pests such as the European corn borer will imperil transgenic maize varieties that express insecticidal crystal proteins of…”
Get full text

Frequency of Resistance to Bacillus thuringiensis Toxin Cry1Ab in an Iowa Population of European Corn Borer (Lepidoptera: Crambidae) by Andow, D. A., Olson, D. M., Hellmich, R. L., Alstad, D. N., Hutchison, W. D.

“…The refuge plus high-dose strategy for resistance management assumes that the frequency of resistance alleles is low. We used an F2 screen to estimate the…”
Get full text

F2 screen for rare resistance alleles by Andow, D.A. (University of Minnesota, St. Paul, MN.), Alstad, D.N

“…The refuge plus high-dose resistance management strategy for transgenic crops producing Bacillus thuringiensis Berliner crystal protein toxins (Bt crops)…”
Get full text

Using an F2 screen to search for resistance alleles to Bacillus thuringiensis toxin in European corn borer (Lepidoptera: Crambidae) by Andow, D.A. (University of Minnesota, St. Paul, MN.), Alstad, D.N, Pang, Y.H, Bolin, P.C, Hutchison, W.D

“…We present an application of an F2 screening method for recovering and estimating the frequencies of rare alleles that confer insect resistance to a transgenic…”
Get full text

Sensitive identification of bluetongue virus serogroup by a colorimetric dual oligonucleotide sorbent assay of amplified viral nucleic acid by Katz, J.B, Alstad, A.D, Gustafson, G.A, Moser, K.M

“…A polymerase chain reaction (PCR) procedure coupled to an enzyme-linked oligonucleotide sorbent assay (ELOSA; a PCR-ELOSA) identified all 24 serotypic variants…”
Get full text

Evolution of Insect Resistance to Bacillus thuringiensis-Transformed Plants by Ives, Anthony R., Alstad, D. N., Andow, D. A.

“…A model for combatting the evolution of corn borer resistance to Bacillus thuringiensis toxins engineered into crops is criticized. The efficacy of altering…”
Get full text

Pathogenicity of a Venezuelan equine encephalomyelitis serotype IE virus isolate for ponies by Sahu, Sudhir P, Pedersen, Douglas D, Jenny, Allen L, Schmitt, Beverly J, Alstad, Arnold D

“…The enzootic or endemic strains of Venezuelan equine encephalomyelitis (VEE) virus (ID, IE, IF, and II-VI) are considered avirulent. In 1993 and 1996,…”
Get more information

Diagnostic analysis of the prolonged bluetongue virus RNA presence found in the blood of naturally infected cattle and experimentally infected sheep by Katz, J, Alstad, D, Gustafson, G, Evermann, J

“…Bluetongue virus (BTV) RNA was detected by the polymerase chain reaction (PCR) in the blood of 24 naturally infected cattle as long as 160 days after the…”
Get more information

Response: Evolution of Insect Resistance to Bacillus thuringiensis--Transformed Plants by Alstad, D N, Andow, D A

Get full text

Interpreting population differentiation in terms of drift and selection by Cabe, P. R., Alstad, D. N.

“…Many empirical studies demonstrate some degree of genetic differentiation among populations of the same species. Understanding the relative importance of the…”
Get full text

Particle size, resource concentration, and the distribution of net-spinning caddisflies by Alstad, D.N

“…The dimensions of net meshes constructed by hydropsychid Trichoptera vary both within and between species. Despite these catchnet differences, the diets of…”
Get full text

Theoretical mechanics of particle capture: predictions for hydropsychid caddisfly distributional ecology by Loudon, C. (Ithaca College, Ithaca, NY), Alstad, D.N

“…Computer simulations based on equations developed earlier were used to analyze theoretically the effects of six parameters on particle capture by hydropsychid…”
Get full text

capture-rate model of net-spinning caddisfly communities by Alstad, D.N

“…Empirical research suggests that net-spinning caddisflies require two basic resources, suspended particulate foods, and the currents which deliver them. I…”
Get full text

Current speed and filtration rate link caddisfly phylogeny and distributional patterns on a stream gradient by Alstad, D.N

“…Patterns of body size and net construction suggest that current speed and food-particle concentration (not size) influence the distribution of…”
Get full text

Scale insect allozyme differentiation within and between host trees by Alstad, D. N., Corbin, K. W.

“…Allelic frequencies and genotypic distributions in three polymorphic enzyme systems demonstrated genetic differentiation over extraordinarily short distances…”
Get full text

Dietary Overlap and Net-Spinning Caddisfly Distributions by Alstad, Donald N.

Get full text

Arboviral Disease—United States, 1994

“…Information about arboviral disease in the US during 1994 is presented, and a CDC editorial note is included. Arboviruses are mosquitoborne and tickborne…”
Get full text

Selection, outbreeding depression, and the sex ratio of scale insects [Nuculaspis californica] by Alstad, D. N., Edmunds, G. F.

“…The black pineleaf scale insect has haploid males and diploid females. Ratios of males to females late in development ranged from 0.005 to 0.320 among insect…”
Get full text

Colorimetric diagnosis of prolonged bluetongue viremia in sheep, using an enzyme-linked oligonucleotide sorbent assay of amplified viral nucleic acids by Katz, J B, Gustafson, G A, Alstad, A D, Adler, K A, Moser, K M

“…Each of 5 US-origin serotypes of bluetongue virus (BTV) was inoculated into a separate pair of sheep. The duration of each animal's ensuing viremia was…”
Get more information

Diagnosis of eastern equine encephalomyelitis virus infection in horses by immunoglobulin M and G capture enzyme-linked immunosorbent assay by Sahu, S P, Alstad, A D, Pedersen, D D, Pearson, J E

“…Immunoglobulin M (IgM) and G (IgG) capture enzyme-linked immunosorbent assays (ELISAs) were used as possible adjuncts to hemagglutination inhibition (HI) and…”
Get more information