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Editor's Picks

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The Global Conservation Consortium for Oak (GCCO) has...
Amy Byrne | Feb 17, 2020
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Hayrettin Karaca, an IOS member and one of Turkey's best-...
Roderick Cameron | Feb 10, 2020
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There are a growing number of unique hybrid selections that...
Ryan Russell | Feb 10, 2020

Plant Focus

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Quercus tarokoensis (local name 太鲁阁栎 tai lu ge li, "oak of Taroko") is a fairly unknown oak species, restricted to eastern Taiwan.

Dendrology

A Global Conservation Consortium for Oak

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GCCO logoThe Global Conservation Consortium for Oak (GCCO) has launched! Developing the GCCO was a collaborative effort—and involvement from passionate IOS members was an integral component. Sharing your expertise, knowledge, and experience with oaks at the last Triennial Conference workshop at UC Davis was vital to successfully launching the GCCO. Thank you for your contributions. 

In Search of an Endangered Species: Quercus acerifolia

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Quercus acerifolia (maple-leaf oak) is an endangered species in the wild (IUCN Red List)and a highly sought-after species in cultivation.

Burr Oak Canyon Symposium 2019

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On October 17, 2019, 80 participants gathered in McCook, Nebraska for a two-day conference and field trip, titled “Growing Better Trees Across the Great Plains”.

A-Sharnu: Restoring Oaks to the Sharon Region

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Ofri Bar's graduate thesis, A-Sharnu, is a program to regenerate Mt. Tabor oaks (Quercus ithaburensis) in the Sharon region.

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Acorns can be a source of cheap plant material, in part due to underutilization, so from an economical perspective they have a high potential for the processing industry.

Hybrid Oaks Under Evaluation

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For nearly 15 years, Nina Bassuk and her grad students at the Cornell Urban Horticulture Institute (UHI) have been developing hybrid oaks for exceptional tolerance of urban conditions (drought, alkaline soil, etc.)

Saving the Keirunga Oaks

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An admirable community effort in the town of Havelock North in New Zealand’s Hawke’s Bay has saved dozens of 80-year-old oaks that had been slated for removal by the local city council.

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The Morton Arboretum is pleased to announce the release of the Conservation Gap Analysis of Native U.S. Oaks.

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The Morton Arboretum, in collaboration with Botanic Gardens Conservation International U.S., are conducting a global ex-situ collections survey of six priority tree genera.

Cloning Old Oaks in Poland

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Scientists in Poland have successfully micropropagated 500- to 800-year-old oaks and two of the saplings were planted in April.

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