Zobrazeno 1 - 10
of 45
pro vyhledávání: '"D. D. Walgenbach"'
Autor:
C. D. Reese, Paul M. Porter, W. C. Stienstra, Senyu Chen, P. J. Schaus, F. R. Breitenbach, Nevin D. Young, T. J. Arlt, D. D. Walgenbach, James H. Orf
Publikováno v:
Plant Disease. 85:760-766
The soybean cyst nematode (SCN), Heterodera glycines, is a major soybean yield-limiting factor, and the use of resistant cultivars is one of the most effective means to manage the nematode. During the past decade, a number of resistant cultivars in m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16eaf17954e6dde63b8f60c0bda9c7ee
https://doi.org/10.1094/pdis.2001.85.7.760
https://doi.org/10.1094/pdis.2001.85.7.760
Autor:
Billy W. Fuller, Kenneth R. Ostlie, J. A. Grundler, Mark A. Boetel, K. J. Jarvi, Gary L. Hein, J. D. Oleson, Jon J. Tollefson, Paul D. Evenson, Armon J. Keaster, John L. Wedberg, Gerald E. Wilde, D. D. Walgenbach, Douglas A. Landis, Lance J. Meinke
Publikováno v:
Journal of Economic Entomology. 90:1332-1340
Optimization of soil-applied granular insecticides for control of northern and western corn rootworms, Diabrotica barberi Smith & Lawrence and D. virgifera virgifera LeConte, respectively, was investigated in 8 states in the north central United Stat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be9a8e40a08b94ce691a08160487e12c
https://doi.org/10.1093/jee/90.5.1332
https://doi.org/10.1093/jee/90.5.1332
Publikováno v:
Environmental Entomology. 22:993-1002
A study was conducted to determine the effects of grasshopper density and plant composition on grass growth and destruction by the mixed grass- and forb-feedinggrasshopper, Melanoplus sanguinipes (F.). Using a completely randomized design, 125l-m2 ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b99d254ec491d6f709ca5270f7dcd4bd
https://doi.org/10.1093/ee/22.5.993
https://doi.org/10.1093/ee/22.5.993
Autor:
R. L. Bohls, A. K. Scott, C. L. Jackson, T. J. Roland, R. D. Houston, D. Colletto, G. D. Rodriguez, J. L. Dines, L. E. Jech, R. N. Foster, D. D. Walgenbach, M. J. Puclik, R. L. Queener, W. K. Meeks
Publikováno v:
Journal of Economic Entomology. 86:557-565
Control of rangeland grasshoppers with flaky wheat bran treated with diflubenzuron and carbaryl was tested in South Dakota during 1988 and 1989. Diflubenzuron (0.75 or 1.0% [AI]/kg) was delivered at 1.1 and 2.2 kg/ha and carbaryl (2.0% [AI]/kg) at 1.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3d3cc1b74d009677f3a95a0a807b3ee
https://doi.org/10.1093/jee/86.2.557
https://doi.org/10.1093/jee/86.2.557
Publikováno v:
Journal of Economic Entomology. 85:246-249
Oviposition habits of adult Diabrotica bar-beri Smith & Lawrence were studied in relation to varying sources of vegetative cover during 1986 and 1987 at three locations in east central South Dakota. Treatments included the following: Corn, Zea mays L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d9f7ca269b32ce30100735e9c952049
https://doi.org/10.1093/jee/85.1.246
https://doi.org/10.1093/jee/85.1.246
Autor:
R. A. Bohls, Mark A. Quinn, K. C. Reuter, P. D. Pooler, R. L. Kepner, J. L. Swain, D. D. Walgenbach, R. Nelson Foster
Publikováno v:
Environmental Entomology. 20:1285-1294
A study was conducted in 1986 and 1987 to determine the relationships between habitat characteristics and perturbation from insecticides on population and community dynamics of ground beetles collected with pitfall traps at 29 mixed-grass rangeland p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d164083eeff501ad053896164ecc84a
https://doi.org/10.1093/ee/20.5.1285
https://doi.org/10.1093/ee/20.5.1285
Publikováno v:
Journal of Economic Entomology. 84:1196-1202
Aerial water pan pheromone traps were used to monitor flights of the European corn borer, Ostrinia nubilalis (Hubner), in two locations in South Dakota during 1987 and at three sites in Illinois in 1988. Our objective was to evaluate the effect of di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98745c8d5c100a84f6ba700ad88cfca8
https://doi.org/10.1093/jee/84.4.1196
https://doi.org/10.1093/jee/84.4.1196
Autor:
Mark A. Quinn, J.L. Swain, R. L. Kepner, K.C. Reuter, R. Nelson Foster, R. A. Bohls, P. D. Pooler, D. D. Walgenbach
Publikováno v:
The Canadian Entomologist. 123:89-105
A study was conducted in Butte County of western South Dakota to determine the relationships between habitat characteristics and spatial and temporal changes in community structure of grasshoppers on mixed-grass rangeland. Detrended correspondence an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a39e8e23c3756c53c5a2328f83066298
https://doi.org/10.4039/ent12389-1
https://doi.org/10.4039/ent12389-1
Autor:
Mark A. Quinn, D. D. Walgenbach
Publikováno v:
Environmental Entomology. 19:1756-1766
A study was conducted to determine if grazing history affected community composition of plants and grasshoppers by comparing communities in an undisturbed grassland that has not been grazed by livestock for approximately 60 yr (Badlands National Park
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f221cd6d1e9a60ca627e069802e0680e
https://doi.org/10.1093/ee/19.6.1756
https://doi.org/10.1093/ee/19.6.1756
Publikováno v:
Journal of Economic Entomology. 83:2434-2442
Our experiments sought to assess the effects of Russian wheat aphid, Diuraphis noxia (Mordvilko), on spring and winter wheat ( Triticum aestivum L.) at different plant growth stages. Four initial aphid densities of 0, 1, 2, and 4 aphids per plant wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a376ec53c3461e3ea6138b2ce7d606e7
https://doi.org/10.1093/jee/83.6.2434
https://doi.org/10.1093/jee/83.6.2434