Biological and Biotechnological Control of Forest Pests: Proceedings of the Nation Wide Conference with International Participation, September 10-12, 1985, Tabor
Forestry and Game Management Research Institute, 1985 - Forest insects - 280 pages
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achieved active substance aggregation pheromone application attacked attractant average Bacillus thuringiensis bacterial preparations Bakke bark beetle Ips bark beetle wood bassiana beetle populations biological control biopreparations Borregaard buoliana calamity captured catching caterpillars caught chemical Chemika control of forest Czechoslovak Academy damage defoliators Dimilin diniana Dipel dose effect eggs entomophagous evaluation experiments feeding females flight Forest Enterprise forest pests forest protection forest stands fungi fungus galls gypsy moth host important increased individual insect insecticides Ips typographus laeta larch larvae logs mainly males mass outbreak methods monitoring mortality nematoda nests Norway Norway spruce occur parasites period Pheromone baits pheromone dispensers pheromone mixtures pheromone traps Pheroprax pine beauty pine stands plantations plots polyhedra polyhedrosis population density possible predators pupae pyrethroid reduction Research Institute sawflies spores spray spruce bark beetle spruce forest suitable synthetic target species tested tion trap trees treatment tube traps virus willow Zvolen