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Showing 1 to 20 of 31 for “"European corn borer"”.

  1. European corn borer resistance in sorghum compared with maize

    Dharmalingam, Sinniah1983

    … for resistance to leaf feeding by 1st-generation European corn borer (ECB), Ostrinia nubilalis Hubner, larvae under heavy infestation conditions (ca. 750 eggs/plant). All sorghum hybrids were resistant. Some sorghum hybrids were not as resistant, however, as a highly resistant inbred line of …

    iastate Repository record

  2. Sperm Passage in the Female European Corn Borer, Ostrinia nubilalis (Hubner)

    Stutzman, Richard W.1972

    Mated and unmated female European corn borers raised in the laboratory were sacrificed and arbitrarily placed into two groups. The abdomens from one group were dissected and observed in saline. The abdomens from the second group were fixed, embedded in paraffin, and sectioned on a microtome. …

    brockport Repository record

  3. Attractiveness of lighted surfaces to European corn borer moths and other insects

    Calderwood, David1951

    iastate Repository record

  4. A Study of Microsporidiosis in the European Corn Borer, Pyrausta Nubilalis (Huebner)

    Kramer, John PaulUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T21:33:58Z (GMT). No. of bitstreams: 1 5805443.pdf: 3354121 bytes, checksum: dad0844d205083d9385960a4718ee8b4 (MD5) Previous issue date: 1958

    uiuc Repository record

  5. A study of concentrate sprays for the control of the European corn borer

    Apple, James WilburUniversity of Illinois Urbana-Champaign1949

    uiuc Repository record

  6. Phenology of the European corn borer, Ostrinia nubilalis (Hubner) (Lepidoptera: Pyralidae) in Virginia

    Despins, Joseph L.Virginia Polytechnic Institute and State University1982

    Flight activity of adult European corn borer field populations was monitored in Bedford County (1980 - 1981), Painter (1958 - 1980), Blacksburg (1971 - 1973, 1975) and Warsaw, Virginia (1971 - 1972, 1981). Peak occurrence of flight activity was accurately estimated by measuring the accumulation of …

    vt Repository record

  7. Assessment of the Impact of the European Corn Borer at Three Locations in South Dakota

    Raemisch, David R.2015

    <p>The European corn borer (Lepidoptera: Pyralidae) varies as an</p> <p>economically significant pest in South Dakota from south to north. In</p> <p>the northern part of the state the European corn borer (ECB) is limited</p> <p>to one generation per year. In contrast, there are localized sites</p> …

    sdstate Repository record

  8. European corn borer: components of plant resistance and concentrations of 1,4-benzoxazin-3-ones in corn

    Robinson, John1974

    iastate Repository record

  9. The Epizootiology of Nosema Pyrausta (Paillot) in The European Corn Borer, Ostrinia Nubilalis, in Central Illinois

    Siegel, Joel PhilipUniversity of Illinois at Urbana-Champaign2014

    … a microsporidium, is a chronic pathogen of the European corn borer, Ostrinia nubilalis (Hubner). A four year study was conducted in Woodford County, Illinois, from 1980 through 1983 in order to elaborate the relationship between corn borer density and the incidence of N. pyrausta. Factors …

    uiuc Repository record

  10. Evaluation of Recurrent Selection in Breeding Corn Resistant to the European Corn Borer (Pyrausta Nubilalis (Hbn.))

    Harrison, Robert LouisUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-04T20:17:07Z (GMT). No. of bitstreams: 1 6104304.pdf: 2125611 bytes, checksum: 6b78d5b1ee7ab33a6e7043f3eaeb7fd0 (MD5) Previous issue date: 1961

    uiuc Repository record

  11. The Effects of European corn borer on whole-plant yieldand root knot nematode fitness in corn

    Tiwari, SiddharthVirginia Tech2007

    … the effect of different levels of third instar European corn borer, Ostrinia nubilalis Hübner (Lepidoptera: Crambidae), on whole-plant dry matter in corn grown for silage. Mean (± SEM) whole-plant dry matter was significantly greater by 18.8% in uninfested control plants than in plants with an …

    vt Repository record

  12. Morphology of the Internal Reproductive System of the Male and Female European Corn Borer Ostrinia Nubilalis (Hubner)

    Shapiro, Miriam F.1973

    … reproductive organs of the adult male and female European corn borer is described. The adults were laboratory reared progeny and descended from wild specimens collected in the Rochester area, Western N.Y. The male system displayed 2 major variations in the paired vasa deferentia. In 8% of 75 …

    brockport Repository record

  13. Optimizing Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) releases to control European corn borer, Ostrinia nubilalis (Lepidoptera: Crambidae) in bell pepper

    Chapman, Anna VirginiaVirginia Tech2007

    … was monitored using yellow sticky card traps and European corn borer, Ostrinia nubilalis Hübner, egg mass sentinels. Adult T. ostriniae dispersed quickly throughout the 0.4 ha (1 acre) sampling area. Parasitism and sticky card captures were highest close to the release point and decreased with …

    vt Repository record

  14. Gas Exchange and Yields of Bt Resistant Maize (Zea mays L.) with European Corn Borer (Ostrinia nubilalis, Hubner) Infestation

    Mallady, Shad

    eiu Repository record

  15. A comparison of the pathological effects on the midgut of the European corn borer treated with Bacillus thuringiensis and Bacillus subtilis

    Eichman, Phillip L.1982

    … Bacillus subtilis and Bacillus thuringiensis, in European corn borer larvae. The study consisted of: (1) a determination of the mortality of larvae that had ingested various concentrations of bacterial spores; (2) light microscopic examination of midgut tissues of larvae treated with various …

    ballstate-thes Repository record

  16. Impact of Natural Mortality Factors on Populations of the European Corn Borer in Bt- and Non-Bt-Corn Fields in Illinois

    Venditti, Maria Eugenia Del ValleUniversity of Illinois at Urbana-Champaign2015

    … to evaluate the incidence of natural enemies of European corn borer in Bt cornfields. The findings were compared with assessments of the effects of natural enemies in non-Bt cornfields. In my study, corn type did not seem to affect the percentage of eggs parasitized by Trichogramma, the …

    uiuc Repository record

  17. The Effect of The Morphology and Physiology of The Corn Plant on The Survival and Control of The European Corn Borer

    Luckmann, William HenryUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T21:33:54Z (GMT). No. of bitstreams: 1 0016410.pdf: 2856786 bytes, checksum: 2fbedb0f241400bd52e3d5aad8df4b4f (MD5) Previous issue date: 1956

    uiuc Repository record

  18. The Relation of Physical and Chemical Properties of Petroleum Oils to Insecticidal Efficiency in The Control of The European Corn Borer and Thecorn Earworm

    Gannon, NormanUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T21:33:48Z (GMT). No. of bitstreams: 1 0005964.pdf: 2910245 bytes, checksum: a2639d7702015980d7dd08b4ef8cddb1 (MD5) Previous issue date: 1953

    uiuc Repository record

  19. Fusarium stalk rot incidence in maize, Zea mays L., in relation to the European corn borer, Ostrinia nubilalis (Hubner) infestation, genotype maturity and eastern Ontario climatic gradient.

    Meloche, François.University of Ottawa (Canada)2009

    … maize, Zea mays L., germplasm resistant to the European corn borer, Ostrinia nubilalis (Hubner) and Fusarium fungal pests has been in progress for more than three decades as a worldwide cooperative effort. Some of the host plant resistance to the European corn borer and Fusarium has been …

    ottawa-retro Repository record

  20. The behavioral, ecological, and chemical association of Orius insidiosus (Say) with corn silks

    Reid, Craig DerekUniversity of Illinois at Urbana-Champaign2011

    … relationship between Orius insidiosus (Say) and corn silk was investigated and an attempt was made to determine the possibility of using O. insidiosus as an augmentative biological control agent against the European corn borer, Ostrinia nubilalis (Hubner) and corn earworm, Heliothis zea (Boddie) …

    uiuc Repository record

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