March 2, 2020

The Medeiros Lab Welcomes Randy Long

The Medeiros Lab at Holden Arboretum welcomed new postdoctoral researcher Dr. Randy Long, who will work on a project funded by the National Science Foundation examining the physiology of Eastern Red Cedar (Juniperus virginiana). This interdisciplinary project is being conducted in collaboration with researchers at three local universities, Kent State, Ohio State and Denison, to better understand the relative importance of factors like climate, seed dispersal and fire regime in driving the westward range expansion of this long-lived woody shrub into grassland ecosystems.

The Medeiros Lab Welcomes Randy Long

February 27, 2020

New Study on Planting Order during Restoration published by Katie Stuble

Holden scientist Katie Stuble published a new paper in the journal Diversity, exploring the impacts of planting order on restoration outcomes. Planting species early on in restoration can be used to promote target species. However, Stuble’s research found that, in some cases, planting restoration species at different times, as opposed to all at once, can leave restored areas vulnerable to invasion by non-native species. This suggests that, in some cases, establishment of non-native species may be an unintended consequence of using such staggered plantings of species as a restoration tool. The article is available here.

New Study on Planting Order during Restoration published by Katie Stuble

February 26, 2020

David Burke Gives Webinar on Beech Leaf Disease

David Burke, Holden’s Vice President for Science and Conservation, gave a webinar on his lab’s research on beech leaf disease (BLD). This two-part webinar began with Dan Volk of the Cleveland Metroparks first giving information about BLD. David provided content for the second half and discussed current data from his lab that are helping to find the cause of BLD. The webinar was hosted by the Emerald Ash Borer (EAB) University, which is a collaborative project between Purdue University, Michigan State University, and The Ohio State University that originally distributed information on emerald ash borer. More recently, EAB University has expanded their scope to distribute information on more pests and diseases. Check out the webinar here.

David Burke Gives Webinar on Beech Leaf Disease

January 5, 2020

Research from Holden on Beech Leaf Disease Published in Forest Pathology

Two of Holden’s researchers, David Burke (Vice President for Science and Conservation) and Adam Hoke (Research Specialist), were co-authors on articles about beech leaf disease (BLD) that were published by Forest Pathology. One article (found here) details the leaf microbiome on symptomatic and asymtomatic leaves and buds and identifies bacterial taxa that are more commonly associated with infected leaves. The other article (found here) describes the association of infected beech trees with the nematode species Litylenchus crenatae mccannii, a subspecies of L. crenatae, which were originally described in Japan. This newly described subspecies is currently believed to be necessary for disease symptoms.

Research from Holden on Beech Leaf Disease Published in <em>Forest Pathology</em>

January 1, 2020

Holden Research Welcomes Na Wei

The Research Department is excited to welcome our new staff Scientist, Dr. Na Wei. Wei’s research investigates the ecological and evolutionary mechanisms that confer plant adaptation to the environment and focuses on the interactions between plant phenotype, genotype, and environment. More information about Na’s research can be found here.

Holden Research Welcomes Na Wei

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