American Horticultural Society Pests and Diseases: The Complete Guide to Preventing, Identifying and Pests and Diseases
Is your garden troubled by cutworms or aphids? Need to know the best method for preventing the spread of viruses among your houseplants? Look no further than Pests and Diseases, the informative guide to the downside of gardening. Sooner or later, everyones roses are troubled by black … | 31.03. 2007
Pests of the Native California Conifers Pests of the Native California Conifers
This guide synthesizes the most current information available on the pests and environmental conditions that can damage Californias conifers, the vast majority of native trees in the state. Authoritative and easy-to-use, it is an essential reference for biologists, arborists, ecologists … | 14.05. 2007