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Laboratory Evaluation of Dyes as Ultraviolet Screens for the Gypsy Moth (Lepidoptera: Lymantriidae) Nuclear Polyhedrosis Virus

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Seventy-nine dyes were evaluated as radiation protectants for the gypsy moth, Lymantria dispar (L.), nuclear polyhedrosis virus (NPV). Forty-one dyes (51.9% of total dye population) preserved 11-50% of original activity, and 18 dyes (22.8% of total population) were effective protectants (i.e., >50% original activity remaining). Five dyes (lissamine green, acridine yellow, brilliant yellow, alkali blue, and mercurochrome) were very effective (i.e., >70% original activity remaining), and one (congo red) provided complete protection (i.e., 100% original activity remaining). A high positive correlation (r = +0.845) was found between good protection and absorbance at 320-400 nm, whereas a lower correlation (r = +0.568) was found between protection and absorbance at 280-320 nm.

Document Type: Research Article

Publication date: February 1, 1990

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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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