Search Results - "Michels, G. J"

A Predictive Degree Day Model for the Development of Bactericera cockerelli (Hemiptera: Triozidae) Infesting Solanum tuberosum by Lewis, O. M, Michels, G. J, Pierson, E. A, Heinz, K. M

“…Bactericera cockerelli (Sulc) (Hemiptera: Triozidae) is a pest of potato (Solanum tuberosum L.) that vectors the bacterium that putatively causes zebra chip…”
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Reflectance characteristics of Russian wheat aphid (Hemiptera: Aphididae) stress and abundance in winter wheat by Mirik, M., Michels, G.J., Kassymzhanova-Mirik, S., Elliott, N.C.

“…The Russian wheat aphid ( Diuraphis noxia (Mordvilko)) infests wheat ( Triticum aestivum L.), barley ( Hordeum vulgare L.), and other small grains and grasses…”
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Spectral vegetation indices selected for quantifying Russian wheat aphid (Diuraphis noxia) feeding damage in wheat (Triticum aestivum L.) by Mirik, M, Ansley, R. J, Michels, G. J., Jr, Elliott, N. C

“…The effects of insect infestation in agricultural crops are of major economic interest because of increased cost of pest control and reduced final yield. The…”
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Using digital image analysis and spectral reflectance data to quantify damage by greenbug (Hemitera: Aphididae) in winter wheat by Mirik, M., Michels, G.J., Kassymzhanova-Mirik, S., Elliott, N.C., Catana, V., Jones, D.B., Bowling, R.

“…The usefulness of digital image analysis and spectral reflectance data to quantify damage by greenbugs ( Schizaphis graminum (Rondani)) was evaluated for two…”
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Seasonal Adaptations to Day Length in Ecotypes of Diorhabda spp. (Coleoptera: Chrysomelidae) Inform Selection of Agents Against Saltcedars (Tamarix spp.) by Dalin, Peter, Bean, Daniel W, Dudley, Tom L, Carney, Vanessa A, Eberts, Debra, Gardner, Kevin T, Hebertson, Elizabeth, Jones, Erin N, Kazmer, David J, Michels, G. J, O'meara, Scott A, Thompson, David C

“…Seasonal adaptations to daylength often limit the effective range of insects used in biological control of weeds. The leaf beetle Diorhabda carinulata…”
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Cross-species transferability of microsatellite markers from six aphid (Hemiptera: Aphididae) species and their use for evaluating biotypic diversity in two cereal aphids by Weng, Y, Azhaguvel, P, Michels, G.J. Jr, Rudd, J.C

“…The abundance and distribution of microsatellites, or simple sequence repeats (SSRs) were explored in the expressed sequence tag (EST) and genomic sequences of…”
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Examining the Competitive Advantage of Diuraphis noxia (Hemiptera: Aphididae) Biotype 2 Over Biotype 1 by Merrill, Scott C., Randolph, Terri L., Peairs, Frank B., Michels, G. J., Walker, C. B.

“…The Russian wheat aphid, Diuraphis noxia (Kurdjumov) is a serious pest of small grains, such as wheat and barley. High population growth rates and a broad…”
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Effect of Biotype and Temperature on Fitness of Greenbug (Hemiptera: Aphididae) on Sorghum by Pendleton, Bonnie B, Copeland, Anastasia L. Palousek, Michels, G. J

“…The greenbug, Schizaphis graminum (Rondani) (Hemiptera: Aphididae), is a major aphid pest of small grains and sorghum, Sorghum bicolor (L.) Moench. Greenbugs…”
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Predator Abundance in Alfalfa Fields in Relation to Aphids, Within-Field Vegetation, and Landscape Matrix by Elliott, N. C, Kieckhefer, R. W, Michels Jr, G. J, Giles, K. L

“…We used multiple regression modeling to investigate the numerical response by the predatory insects Hippodamia convergens Guérin-Méneville, H. parenthesis…”
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Species Diversity and Qualitative Assessment of Ground Beetles (Coleoptera: Carabidae) in Three Riparian Habitats by Michels, G. J, Carney, V. A, Jones, E. N, Pollock, D. A

“…In a 3-yr study involving saltcedar-free, saltcedar-infested, and burned habitats in a riparian area at Lake Meredith, TX, the number of carabid species…”
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UVCS/SOHO Empirical Determinations of Anisotropic Velocity Distributions in the Solar Corona by Kohl, J. L, Noci, G, Antonucci, E, Tondello, G, Huber, M. C. E, Cranmer, S. R, Strachan, L, Panasyuk, A. V, Gardner, L. D, Romoli, M, Fineschi, S, Dobrzycka, D, Raymond, J. C, Nicolosi, P, Siegmund, O. H. W, Spadaro, D, Benna, C, Ciaravella, A, Giordano, S, Habbal, S. R, Karovska, M, Li, X, Martin, R, Michels, J. G, Modigliani, A, Naletto, G, O'Neal, R. H, Pernechele, C, Poletto, G, Smith, P. L, Suleiman, R. M

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An Empirical Model of a Polar Coronal Hole at Solar Minimum by Cranmer, S. R, Kohl, J. L, Noci, G, Antonucci, E, Tondello, G, Huber, M. C. E, Strachan, L, Panasyuk, A. V, Gardner, L. D, Romoli, M, Fineschi, S, Dobrzycka, D, Raymond, J. C, Nicolosi, P, Siegmund, O. H. W, Spadaro, D, Benna, C, Ciaravella, A, Giordano, S, Habbal, S. R, Karovska, M, Li, X, Martin, R, Michels, J. G, Modigliani, A, Naletto, G, O'Neal, R. H, Pernechele, C, Poletto, G, Smith, P. L, Suleiman, R. M

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The Helium Focusing Cone of the Local Interstellar Medium Close to the Sun by Michels, J. G, Raymond, J. C, Bertaux, J. L, Quémerais, E, Lallement, R, Ko, Y.-K, Spadaro, D, Gardner, L . D, Giordano, S, O’Neal, R, Fineschi, S, Kohl, J. L, Benna, C, Ciaravella, A, Romoli, M, Judge, D

“…The Solar and Heliospheric Observatory (SOHO) Ultraviolet Coronagraph Spectrometer is used to observe the interplanetary He focusing cone within 1 AU. Taken…”
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Sequential sampling for adult coccinellids in wheat by Elliot, N.C, Michels, G.J. Jr, Kieckhefer, R.W, French, B.W

“…Adult aphidophagous coccinellids are important predators of cereal aphids in wheat in the Great Plains of the United States for which sampling methods are…”
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New phases of the 2D electron system in the ultra-quantum limit observed by cyclotron resonances by Summers, GM, Warburton, RJ, Michels, JG, Nicholas, RJ, Harris, JJ, Foxon, CT

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Estimating populations of aphidophagous Coccinellidae (Coleoptera) in winter wheat by Michels, G.J. Jr, Elliott, N.C, Romero, R.L, French, W.B

“…Coccinellids are important natural enemies of aphid pests in wheat, Triticum aestivum em Thell, in the Great Plains of the United States. Coccinellid community…”
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Response of an aphid parasitoid, Aphelinus asychis to its host, plant, host-plant complex, and to malathion by Rao, A. (Texas A and M Univ., College Station, TX (USA). Dept. of Entomology), Vinson, S.B, Gilstrap, F.E, Michels, G.J

“…Aphelinus asychis (Walker) can be valuable as a biocontrol agent of the aphid, Schizaphis graminum (Rondani), a major pest on grain crops in the United States…”
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Estimating Biophysical Characteristics of Musk Thistle (Carduus nutans) With Three Remote Sensing Instruments by Mirik, Mustafa, Steddom, Karl, Michels, Gerald J.

“…Identifying the dynamics and extent of noxious weeds in a spatial and temporal context improves monitoring, planning, and management practices. Musk thistle…”
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Optically detected cyclotron resonance of GaAs quantum wells : effective-mass measurements and offset effects by WARBURTON, R. J, MICHELS, J. G, NICHOLAS, R. J, HARRIS, J. J, FOXON, C. T

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Examining the Competitive Advantage of Diuraphis noxia (Hemiptera: Aphididae) Biotype 2 Over Biotype by Merrill, Scott C, Randolph, Terri L, Peairs, Frank B, Michels, G J, Walker, C B

“…The Russian wheat aphid, Diuraphis noxia (Kurdjumov) is a serious pest of small grains, such as wheat and barley. High population growth rates and a broad…”
Get full text