Sugar Pine Seedlings not protected from blister rust by chemotherapeutants

George M. Harvey

Treesearch

Sugar Pine Seedlings not protected from blister rust by chemotherapeutants

Informally Refereed

Authors:

George M. Harvey

Year:

1975

Type:

Research Note

Station:

Pacific Northwest Research Station

Source:

Res. Note. PNW-RN-249. Portland, OR: U.S. Department of Agriculture, Forest Servivce, Pacific Northwest Forest and Range Experiment Station. 4 p.

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Abstract

None of several types of chemotherapeutants applied before inoculation (antibiotics, metallic salts, systemic fungicides) prevented infection of sugar pine seedlings by white pine blister rust. DMSO (dimethyl sulfoxide) did not enhance the action of any material with which it was applied.

Keywords

Sugar pine, Pinus lambertiana, white pine blister rust, Cronartium ribicola, fungicides

Citation

Harvey, George M. 1975. Sugar Pine Seedlings not protected from blister rust by chemotherapeutants. Res. Note. PNW-RN-249. Portland, OR: U.S. Department of Agriculture, Forest Servivce, Pacific Northwest Forest and Range Experiment Station. 4 p.