Canadian Forest Service Publications

A review of damping-off of Douglas-fir seedlings in British Columbia. 1954. Salisbury, P.J. Forestry Chronicle 30(4): 407-410.

Year: 1954

Issued by: Pacific Forestry Centre

Catalog ID: 20739

Language: English

Availability: PDF (download)

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Abstract

Except in new nurseries, damping-off in British Columbia forest nurseries has remained below serious levels. Modification of nursery practices has served to reduce losses. The use of a suitable, sandy cover soil has been effective. Lowered fertility of the soil, though a problem in itself, appears to decrease incidence of damping-off. The acidity of the soil in coast nurseries may have afforded some natural control of the disease. From investigations on the control of damping-off, there appears to be promise in the use of peat as a planting medium for stratified seed, and, based on experiments with unstratified seed, in the application of fungicides to cover soil. In view of the present low degree of the disease, there would appear to be an opportunity for research directed to the biology and control of fungi known to be capable of causing sudden outbreaks, without the urgent need of finding immediately effective control measures.

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