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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Issue 35 (1959) → A Simplified Germination Test for American Sycamore

A Simplified Germination Test for American Sycamore

As recently as 1951 Putnam (3 p. 37) stated that no seed of bottom land hardwood tree species would germinate under water. A year earlier Baker (1, p.237) had made a similar statement concerning all forest tree seed. In 1957, however, Hosner (2) reported the underwater germination of cottonwood (Populus deltoides and black willow (Salix nigra); the senior author has since confirmed Hosner's work. During recent studies of presowing soaking of sycamore seeds at room temperature (70°-75°F.) underwater germination began after 10 days. Thus another species was added to the list of riverfront species capable of germinating under water when conditions are


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Author(s): Charles B. Briscoe, Adrian P. DuBarry, Jr.

Publication: Tree Planters' Notes - Issue 35 (1959)