Add Yahoo as a preferred source to see more of our stories on Google. From British Columbia to California, volunteers are collecting ash seeds to help researchers at Oregon State University find ...

PORTLAND, Ore. (KOIN) – The Oregon Department of Forestry spent three years collecting more than 900,000 seeds from populations of Oregon ash trees throughout the state. The ODF employees completed ...

Estimates say more than 70 million ash trees have been destroyed nationally by the emerald ash borer insect. An Iowa researcher is racing the clock to collect seeds from different ash species ...

Emerald ash borer, an invasive species, threatens to kill Minnesota’s ash trees. In response, Andrew David, a University of Minnesota forest genetics researcher, and Mike Reichenbach, forestry ...

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A fast-track method of breeding disease-resistant ash trees has been developed by researchers leading efforts to conserve the ...

LAKE PLACID – Ash trees are in the midst of a three-year mast cycle, and the Mid Atlantic Regional Seed Bank is hoping that can help protect the species from a devastating invasive insect. Molly ...

DES MOINES, Iowa — Mark Widrlechner is out to save a species from extinction. It’s the native ash tree, and although it provides $25 billion worth of timber and decorates backyards across North ...

Somewhere in Oregon — it's hoped — there is an ash tree genetically inclined to survive a looming existential threat. It would look just like any other Oregon ash, a species now at risk of functional ...

Leaves – compound; usually with 7 more or less elliptical, entire-serrate, petioled leaflets that turn purple in fall. Twigs – stout and glabrous. Buds – broadly ovoid with 4-6 brownish scales; first ...

From British Columbia to California, volunteers are collecting ash seeds to help researchers at Oregon State University find genetic resistance to the invasive emerald ash borer. The emerald ash borer ...