Received for publication March 20, 1974. Paper No. 4617 in the journal series of the Pennsylvania Agriculture Experiment Station.
Professor Emeritus, Assistant Professor and Associate Professor, respectively, Department of Horticulture.
All Time | Past Year | Past 30 Days | |
---|---|---|---|
Abstract Views | 0 | 0 | 0 |
Full Text Views | 9 | 9 | 0 |
PDF Downloads | 10 | 10 | 1 |