Rooting of large-flowered hybrid clematis cuttings was the subject of research in the two studies discussed by the Oregon State University affiliated author. The studies tested four rooting treatments on different varieties of clematis with varying results.
The results of a 1958 marketing survey to determine the nursery buying habits of homeowners in the Portland, OR area. The survey included questions about the influence of home value, age, length of residence, and family income on buying habits.
The study was carried out by the author based on a French method of propagating tree peonies using leaf-bud cuttings. Propagation of tree peonies had previously been done generally by grafting as propagation by cutting was considered very difficult to impossible.
An overview of a Willamette Valley research field trial conducted with tall bearded irises. The study evaluated six pre-emergent herbicides for phytotoxic effects and for their effectiveness in controlling indigenous weeds.
Includes identification and management information for eight weeds commonly found in Oregon container nurseries. Color photos and descriptions of weeds throughout their life cycle aid in identification. Presents control strategies for each weed.