Abstract
We recently completed research that showed X-ray analysis was a better predictor of northern red oak (Quercus rubra L. [Fagaceae]) acorn viability and early growth than was moisture content. X-ray image analysis is a rapid and nondestructive test of acorn viability—tissue desiccation can be readily quantified. This article describes how to bring this proposed seed test into practice, with the goal of improving nursery efficiency and quality of oak seedlings.
Footnotes
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Rosa C Goodman, Graduate Student, rosa{at}purdue.edu,
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Douglass F Jacobs, Associate Professor, djacobs{at}purdue.edu
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Hardwood Tree Improvement and Regeneration Center, Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907
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Robert P Karrfalt, Director, National Seed Laboratory, USDA Forest Service, West Lafayette, IN 47907, rkarrfalt{at}fs.fed.us
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