Basal Branches No Symptom of Fusiform Rust on Slash Pine Seedlings
A test established in 1937 by Howard Lambi 1/appears to demonstrate definitely that basal branching of slash pine 2/ nursery seedlings is not in itself a symptom of infection by the southern fusiform rust.3/ The test clears up a point that has sometimes troubled southern nurserymen. Five hundred slash pine seedlings in each of the following 3 categories were obtained from the W. W. Ashe Nursery, Brooklyn, Mississippi: diseased, i.e., with a pronounced swelling of the stem; doubtful, i. e. , with basal branches but no pronounced swelling; and healthy, i.e., with no pronounced swelling or basal branches.
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Author(s): Berch W. Henry
Publication: Tree Planters' Notes - Issue 24 (1956)