Zobrazeno 1 - 10
of 30
pro vyhledávání: '"G. W. Zehnder"'
Autor:
R. J. Cook, J. Katan, I. Chet, R. Rodriguez-Kabana, C. R. Taylor, J. W. Kloepper, M. M. Satour, G. L. Lazarovits, K. L. Conn, M. Tenuta, G. Kritzman, M. Besri, B. Sneh, J. M. Duniway, M. E. Stanghellini, H. A. J. Hoitink, Y. Hadar, R. Cohen, B. Chefetz, Y. Chen, A. Gamliel, Y. Spiegel, Meira Bar-Eyal, Y. Oka, Edna Sharon, G. E. Harman, D. M. Weller, L. S. Thomashow, S. Tuzun, G. W. Zehnder, J. F. Murphy, M. Wilson, E. Sikora, K. S. Park, H. D. Rabinowitch, J. M. Kraft, Claire Coyne, W. J. Blok, C. P. Slomp, A. J. Termorshuizen, J. G. Lamers, L. Chemin, Z. Ismailov, B. Fridlender, A. Brown, E. W. Mutitu, S. Murtiungi, E. C. Tjamos, RJ. Cook, M. L. Gullino, A. Garibaldi, S. C. Lamprecht, F. Martin, M. Mazzola, Z. R. Frank, J. Krikun, A. Ashri, Y. Ben-Yephet, J. L. Hill, S. K. Hobbs, P. Di Primo, G. Cartia, Y. Peretz, E. Becker, A. Grinstein, Michal Reuven, I. Mor, J. G. White, G. M. Petch, P. -H. Wang, Nadia Korolev
Publikováno v:
Phytoparasitica. 26:241-267
Publikováno v:
African Journal of Microbiology Research. 5
The use of microbes in pest control is an important aspect of integrated pest management (IPM). A Zimbabwean isolate of the fungal entomopathogen Zoophthora radicans was tested for efficacy in the control of Brassica infesting lepidopteran larvae. Z.
Publikováno v:
Environmental Entomology. 22:693-698
Field surveys and field-cage studies were conducted to evaluate the parasitoid Microplitis croceipes (Cresson) as a biological control candidate for release against corn earworm, Helicoverpa zea (Boddie), in Virginia soybeans, and to gain knowledge o
Autor:
G. W. Zehnder, A. M. Vencill
Publikováno v:
Journal of Economic Entomology. 86:283-288
Filter-paper bioassays were performed on Colorado potato beetles, Leptinotarsa Decemlineata (Say), collected from three commercial potato fields to determine the most cost-effective number of sample units (filter-paper disks, 10 larvae per disk). Rel
Autor:
G. W. Zehnder, A. M. Vencill
Publikováno v:
Journal of Economic Entomology. 86:289-293
Within-field variation in mortality of Colorado potato beetle, Leptinotarsa Decemlineata (Say), in a filter-paper insecticide bioassay was determined in three Virginia potato fields in 1989 and five fields in 1990. Bioassays were done for each of thr
Publikováno v:
Journal of Economic Entomology. 85:281-288
Two field experiments were done to evaluate spray timing relative to peak egg hatch, of Bacillus thuringiensis var. san diego (M-One Insecticide, Mycogen Corp., San Diego, Calif.) for control of Colorado potato beetle, Leptinotarsa decemlineata (Say)
Autor:
John Speese, G. W. Zehnder
Publikováno v:
Journal of Economic Entomology. 84:1842-1849
Field experiments were done in potatoes, Solanum tuberosum L., to evaluate various spray nozzle and volume combinations for control of Colorado potato beetle, Leptinotarsa Decemlineata (Say), with synthetic insecticides and Bacillus thuringiensis . C
Publikováno v:
Journal of Economic Entomology. 84:515-519
Larval surveys of second-generation corn earworm, Heliothis zea (Boddie). taken in field corn in mid-July from 1976 to 1989 were used in a pest advisory program to predict potential for later infestations in Virginia soybeans. Estimates of statewide
Publikováno v:
Journal of Economic Entomology. 84:87-93
Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae and adults were not behaviorally deterred from, and in some cases may have been stimulated to increase, feeding initially by the presence of M-One ( Bacillus thuringiensis var. san diego
Autor:
G. W. Zehnder, Judith Hough-Goldstein
Publikováno v:
Journal of Economic Entomology. 83:1982-1987
Colorado potato beetle, Leptinotarsa decemlineata (Say), population trends were monitored in potatoes, Solanum tuberosum L., grown in plots with and without straw mulch during 1988 and 1989 growing seasons in Virginia. An insecticide treatment was in