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Showing 1 to 20 of 40 for “"leafhopper"”.

  1. Leafhopper-Borne Viruses on Vector-Cell Monolayers

    Liu, Ho-YuanUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-09T18:06:32Z (GMT). No. of bitstreams: 1 7013397.pdf: 2252370 bytes, checksum: d282d7fb563d08138fa13487399e9357 (MD5) Previous issue date: 1969

    uiuc Repository record

  2. Control of the potato leafhopper, Empoasca fabae (Harris), and the influence of leafhopper populations on peanut yields in Virginia

    Jenkins, Jack WalterVirginia Polytechnic Institute and State University1977

    … were evaluated for control of the potato leafhopper. Leafhopper populations on test plots were monitored throughout 1975 and 1976 using a 12-inch sweep net. Grade, yield, and value data were collected from all experiments. Significant reductions of leafhopper populations were achieved with …

    vt Repository record

  3. Enhancing biotic mortality of the potato leafhopper, Empoasca fabae

    Weiser, Laura2001

    <p>This dissertation quantified the population dynamics of E. fabae and developed a new management technique for this alfalfa pest. A two-year study monitored the number of E. fabae at 3 locations within alfalfa fields from mid-April to June and from adjacent tree/shrub species until July. Similar …

    iastate Repository record

  4. Systematic Studies on the Leafhopper Subfamily Cicadellinae (Hemiptera: Cicadellidae)

    Takiya, Daniela MaedaUniversity of Illinois at Urbana-Champaign2015

    … Sulcia and on COI, COII, 16SrDNA, and H3 for 29 leafhopper hosts. A congruent evolutionary history of both Baumannia and Sulcia with their sharpshooter hosts is supported based on all (Baumannia) or most (Sulcia ) statistical tests conducted here, suggesting a long-term association of these …

    uiuc Repository record

  5. Applications of Particle Counting to a Leafhopper-Borne Virus

    Gamez-Lobo, RodrigoUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-09T18:06:26Z (GMT). No. of bitstreams: 1 6711853.pdf: 2497982 bytes, checksum: 4198286bce474ce7cf3097adc317d1aa (MD5) Previous issue date: 1967

    uiuc Repository record

  6. The Potato Leafhopper, Empoasca Fabae, Soybean Pubescence, and Hopperburn Resistance

    Lee, Young-inUniversity of Illinois at Urbana-Champaign2014

    … interactions between soybean pubescence, potato leafhopper, and onset of hopperburn, a series of experiments was carried out with using field and laboratory colonies of the PLH, and 4 near isogenic soybean cv. 'Clark' differing in the nature of the trichome cover.

    uiuc Repository record

  7. Assay of Potato Yellow Dwarf Virus on Leafhopper Cell Monolayers

    Hsu, Hei-TiUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-10T23:32:42Z (GMT). No. of bitstreams: 1 7206958.pdf: 2489105 bytes, checksum: 36947b4a77f3a5e3734406c304820ff3 (MD5) Previous issue date: 1971

    uiuc Repository record

  8. A Phylogenetic Study of the Leafhopper Genus Empoasca (Homoptera, Cicadellidae)

    Cunningham, Hugh BensonUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T21:34:06Z (GMT). No. of bitstreams: 1 6206124.pdf: 1986788 bytes, checksum: d655d92711947ad1b40c1888ee5a19ea (MD5) Previous issue date: 1962

    uiuc Repository record

  9. AY-­‐WB phytoplasma manipulations of host and non-­‐host leafhopper interactions

    Kingdom, HeatherUniversity of East Anglia2012

    … strain Witches’ Broom (AY-­‐WB) and vector leafhopper Macrosteles quadrilineatus. I demonstrate possibility to differentiate effects of phytoplasma infection within plant and within insect hosts. To assess root cause of changes, AY-­‐WB secreted effector proteins were examined, their roles …

    east-anglia Repository record

  10. Development of a Medium for the Culture of Agallian Leafhopper Cells

    Martinez-Lopez, GerardoUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-10T23:32:46Z (GMT). No. of bitstreams: 1 7317596.pdf: 3800898 bytes, checksum: bc78b20b9a917674abb15be9be375bdb (MD5) Previous issue date: 1973

    uiuc Repository record

  11. White apple leafhopper affects apple fruit quality and leaf gas exchange

    Welker, Robert M.Virginia Tech1992

    … damage to apple leaves caused by the white apple leafhopper (WALH), Typhlocyba pomaria McAtee. Feeding holes created by WALH were found in the lower epidermis, with no visual exterior evidence of cell injury to the upper epidermis. The feeding holes were located in areas of the leaf with high …

    vt Repository record

  12. Management of Potato Leafhopper and Maple Spider Mite on Nursery Grown Maples

    Prado Beltran, Julia

    <p>Potato leafhopper <em>Empoasca fabae</em> (Harris) (Homoptera: Cicadellidae) and maple spider mite <em>Oligonychus aceris</em> (Shimer) (Acarina: Tetranychidae) are important pests of maple trees. Investigations determined how insecticide use and fertilization impacted the abundance of <em>E. …

    purdue-thes Repository record

  13. Biological Studies on the Potato Leafhopper, Empoasca Fabae (Harris), as an Alfalfa Pest

    Kouskolekas, Costas AlexanderUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-09T20:27:12Z (GMT). No. of bitstreams: 1 6408403.pdf: 4651873 bytes, checksum: 4c3e65f920bde020f8f0947775ba6566 (MD5) Previous issue date: 1964

    uiuc Repository record

  14. Hereditary Variation in the Ability of a Leafhopper to Transmit Two Unrelated Plant Viruses

    Nagaraj, Akkihebbal N.University of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T20:30:10Z (GMT). No. of bitstreams: 1 6001672.pdf: 1994703 bytes, checksum: 89e9549afca55d5eff86da256c614e8c (MD5) Previous issue date: 1960

    uiuc Repository record

  15. Population studies of the potato leafhopper, Empoasca fabae (Harris), on alfalfa, Medicago sativa L.

    Simonet, Donald EdwardVirginia Tech1978

    The potato leafhopper, Empoasca fabae (Harris), is a primary pest of alfalfa grown in Virginia. Sampling techniques and sampling programs for each growth stage (egg, nymph, and adult) were developed to study the population dynamics of this insect. Distribution patterns exhibited by each stage have …

    vt Repository record

  16. Mechanisms by Which Grass Reduces Potato Leafhopper, Empoasca Fabae (Harris) (Homoptera: Cicadellidae), Abundance in Alfalfa

    Smith, Lane Martin, IIUniversity of Illinois at Urbana-Champaign2014

    … in order to determine the means by which potato leafhoppers perceive the presence of grass, to determine the behavioral changes caused by grass which lower abundance in alfalfa, and to test the resource concentration hypothesis for the potato leafhopper in alfalfa.

    uiuc Repository record

  17. Systematics of the Leafhopper Subfamily Deltocephalinae (Hemiptera: Cicadellidae) and the Tribe Chiasmini: Phylogeny, Classification, and Biogeography

    Zahniser, James NormanUniversity of Illinois at Urbana-Champaign2015

    Based on the number of described species, the leafhopper subfamily Deltocephalinae is the largest subfamily of Cicadellidae, containing &sim;850 genera and over 6200 described species. Chapter 1 provides a detailed introduction to this subfamily and to the tribe Chiasmini. Chapter 2 presents a …

    uiuc Repository record

  18. Environmental Influences on Changes of Populations of the Potato Leafhopper, Empoasca Fabae, in Relation to Alfalfa

    Noon, Zenas Barnard, Jr.University of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T21:34:05Z (GMT). No. of bitstreams: 1 6202944.pdf: 5103848 bytes, checksum: bda992453320a1bdaf7c76928dac8ee7 (MD5) Previous issue date: 1962

    uiuc Repository record

  19. Effects of insecticides on potato leafhoppers Empoasca fabae (Harris) and its predators

    Martinez, Danilo G.Virginia Tech1979

    … evaluated to determine effects on the potato leafhopper and its predators. Three types of tests were conducted. First, the common predators of the potato leafhopper in alfalfa were examined to determine their response to the stages of the leafhopper. Second, under field conditions, …

    vt Repository record

  20. Induction of maize wallaby ear disease by Cicadulina bimaculata and its incidental infection by leafhopper A virus

    Ofori, Felix1984

    Bibliography: leaves 62-64

    adelaide Repository record

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