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Excerpt from Translocation of Dye in Grand and Subalpine Firs Infested by the Balsam Woolly AphidTraumatic wood, called rotholz in the literature, is produced in the area where the aphids have settled. The affected rings are generally quite wide and composed of an abnormally dense, reddish wood.Dye was injected into the trees through a hole made with an increment borer.

Title : Translocation of Dye in Grand and Subalpine Firs Infested by the Balsam Woolly Aphid (Classic Reprint)
Author : Russel G Mitchell
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 05, 2021

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