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The Protection of Forest Nurseries from Whitepine Blister-Rust Infection

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Abstract:

White pine nursery stock can be, and in many cases is being, protected from blister rust by a Ribes-free zone around the premises. Consistent intensive effort is required and the costs range from less than one hundred dollars to a thousand dollars or more for a single nursery. An annual follow-up is necessary. Only five-leafed pines so protected are allowed to be shipped out of infected States except where the shipment is consigned to a point in one of the several northeastern generally infected States.

All white pine nursery stock should be produced under protected conditions, not only to avoid the danger of introducing the blister rust into uninfected localities, but to avoid loss and disappointment on the part of the purchaser.

Document Type: Research Article

Publication date: June 1, 1933

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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