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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Issue 24 (1956) → Nursery Control of Fusiform Rust Demands Careful Spraying

Nursery Control of Fusiform Rust Demands Careful Spraying

Fusiform rust in southern pine nurseries is caused by a highly specialized organism which demands a set of exact conditions before it can infect pines. In the absence of these conditions some nurseries escape serious infection every year and all nurseries may escape serious infection some years. Consequently, many nurserymen who spray carelessly appear to get satisfactory disease control much of the time. However, if they are in the range of potentially heavy rust occurrence, they are taking a gamble they are certain to lose with disastrous results in the occasional severe rust years.


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Publication: Tree Planters' Notes - Issue 24 (1956)