Canadian Forest Service Publications

Control of needle cast of Douglas-fir by antibiotics. 1963. Weir, L.C. The Forestry Chronicle 39(2): 205-211.

Year: 1963

Issued by: Pacific Forestry Centre

Catalog ID: 23880

Language: English

Availability: PDF (download)

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Abstract

Phyto-actin, Actidione, and chemical derivatives of Actidione were applied as stem sprays and as foliar sprays to Douglas fir trees infected by Rhabdocline pseudotsugae Syd. All materials provided a reduction in infection level although some trees exhibited little response. Phytotoxicity was evidenced by tree mortality and needle loss. Actidione was shown to move systematically in stem-treated Douglas fir.

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