Výsledky vyhľadávania
- Differential mortality between male and female Choristoneura occidentalis (Lepidoptera: Tortricidae) larvae exposed to a baculovirus with or without optical brighteners
Li S. Y.
Otvos Imre S.
The canadian entomologist. Vol. 131, (1999), s. 65-70
xcla - ČLÁNKY
kniha
- Optical brighteners enhance activity of a nuclear polyhedrosis virus against western spruce budworm (Lepidoptera: Tortricidae)
Li S. Y.
Otvos Imre S.
Journal of Economic Entomology. Vol. 92, No. 2 (1999), s. 335-339
xcla - ČLÁNKYkniha
- Effects of cold storage on adult emergence and fecundity of Choristoneura occidentalis (Lepidoptera: Tortricidae)
Li S. Y.
Otvos Imre S.
Journal of the entomological society of British Columbia. Vol. 95 (1998), s. 3-7
xcla - ČLÁNKYkniha
- A Pilot Experiment of Forest Fertilization During an Outbreak of the Western Spruce Budworm in Northeastern Oregon
Mason Richard R.
Portland : USDA Forest Service , 1998. - 25 s. : 15 obr., 6 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1kniha
- Case history of population change in a Bacillus thuringiensis-treated vs. an untreated outbreak of the western spruce budworm
Mason Richard R.
Paul H. Gene
Portland : USDA Forest Service , 1996. - 11 s. : 3 obr., 1 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1kniha
- Effects of insecticide treatments on subsequent defoliation by western spruce budworm in Oregon and Washington : 1982-92
Sheehan Katharine A.
Portland : USDA Forest Service , 1996. - 54 s. : 11 obr., tab., graf., príl., 28 cm
xkni - KNIHY
1, z toho voľných 1kniha
- Historical patterns of western spruce budworm and Douglas-fir tussock moth outbreaks in the northern Blue Mountains, Oregon, since A.D. 1700
Swetnam Thomas W.
Wickman Boyd E.
Paul H. Gene
Portland : USDA Forest Service , 1995. - 27 s. : 7 obr., 4 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1kniha