How do the approved preventative treatments, phosphonate application, for oaks and tanoaks impact acorn nutrition and properties?
Tanoaks and some oak species have been heavily impacted by P. ramorum, raising concerns about future collection and use of acorns. While many tribes would like to protect the oaks and tanoaks that they traditionally use for acorn gathering from P. ramorum, they are also concerned that application of potassium phosphonate to tanoak trees may detrimentally affect the nutrient composition of the acorns produced by the trees. One research study on tanoak acorns provided results that suggest that the variation in acorn composition between individual trees and between years appears to be greater than variation associated with phosphonate application (Meyer, Swecki, and Mitchell 2007). Back to topOutreach for TribesTo address the needs of California Tribes in dealing with P. ramorum, the COMTF has worked in cooperation with tribal members on outreach efforts. We continue to seek opportunities to address tribal educational needs concerning P. ramorum. Resources such as the Sudden Oak Death Inf
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