Is the Oscilloscope Technique Suitable for Predicting Survival of Planting Stock?
The oscilloscope technique offers little promise as a tool for predicting survival potential of bareroot seedlings of Douglas-fir and, probably, other western coniferous species. Although a peaked trace in fall or spring indicates poor survival for stored planting stock, a square signal does not guarantee survival of stored seedlings on severe sites. Conversely, a peaked signal does not imply that seedlings planted shortly after lifting will do poorly.
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Author(s): Catherine A. Askren, Richard K. Hermann
Publication: Tree Planters' Notes - Volume 30, Number 4 (1979)
Section: general
Volume: 30
Number: 4