Tuesday, January 8, 2019

Tim Billo's Presentation to the Washington Native Plant Society, January 3rd 2019

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Tim, assisted by Kramer Canup, gave a masterful and comprehensive report on the regional die-off last Thursday.   Here are his slides - acco...
Monday, December 31, 2018

Overview

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New Posts (please scroll down): December 2018: request for research proposals, site visit by LSU plant pathologist October 2018: tw...
Saturday, December 29, 2018

RFP: time to issue requests for research proposals?

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Research and experimentation on the sword fern die-off has, over the last four years, been  rather unsystematic.  It has taken us a while to...

Site Visit from Rodrigo Valverde

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In early December,  plant pathologist Dr. Rodrigo Valverde visited the sword fern die-off regions at Seward Park.   I first discovered Rodr...
Saturday, October 6, 2018

A small and informal experiment suggests that the agent/s of the die-off can be reproducibly transmitted from an affected frond to a healthy one

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This informal experiment suggests that the agent/s are mobile in water, and will affect healthy fronds sharing water with a diseased frond, ...
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Early data on survival rates of 24 ferns at Seward’s Ground Zero versus 12 at the edge of the active die-off zone

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Hypothesis:  the hypothetical agent of the die-off  does not persist in an affected area. We planted 24 fronds at Ground Zero GZ) at Se...
Sunday, July 1, 2018

10 apparently long-dead ferns with miniscule fronds sprouting

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Following the suggestion of Betsy Dowling of Zanzibar Landscape Design (Betsy contributed the earthworm hypothesis a few months ago) I today...
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