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Six elements are required in small amounts for the growth and development of plants. These are referred to as micronutrients: iron (Fe), manganese (Mn) copper (Cu), zinc (Zn), molybdenum (Mo), and boron (B).
Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These diseases are usually more severe on young trees or on trees growing outside of their natural range.
Sonic tomography, or the use of sound waves to detect decay in trees, is a relatively new technology available to arborists.
Oak decline is a slow-acting disease complex that involves the interaction of biotic and abiotic factors such as climate, site quality and advancing tree age.
Fall is a beautiful and often very busy season for Gardens and Arboretums, with many guests visiting to enjoy cooler weather, Fall colors, and other seasonal events.