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Charles Bier, Senior Director of Conservation Science at the Western presented an overview of Pennsylvania's Landscapes and Biodiversity. In addition to an overview of biodiversity, examples of Pennsylvania's globally significant role in conservation is
Ash tree species in North America are under mortal threat from the Emerald Ash Borer (EAB), now in 35 states and five Canadian provinces.
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).
In this webinar, originally held on February 12, 2020, project leads from the Public Gardens as Sentinels against Invasive Plants working group introduce and demonstrate the features of an online database to be used to share information about plants esc
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.
Mycorrhizal fungi, of all types, hold huge significance for our planet and society. By forming mutualistic symbioses with the vast majority of land plants, mycorrhizas play an essential role
This webinar, originally held on January 22, 2020, describes the background of Public Gardens as Sentinels against Invasive Plants and describes recommended guidelines to help gardens develop and categorize lists of taxa escaping cultivation using a sta
Public botanical gardens and arboreta are living museums and as such, their core missions
include the collection and display of herbaceous and woody plants from their local region or
The purpose of these guidelines is to provide a consistent methodology for public garden staff to develop and categorize a list of cultivated taxa observed escaping from their locations of cultivation.
Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).