• Follett Peter A

Journal of economic entomology

• Publish Date: Dec 2006
• ISSN: 0022-0493
• Volume: 99
• Issue: 6
• Pages: 1974-8
• Medium: Print
• Language: English
• Citation (JAMA): Follett Peter A, et al. Irradiation As a Phytosanitary Treatment for White Peach Scale (Homoptera: Diaspididae).. J. Econ. Entomol. Dec 2006;99:1974-8

Abstract

Irradiation was examined as a potential phytosanitary treatment to control white peach scale, Pseudaulacaspis pentagona (Targioni-Tozzetti) (Homoptera: Diaspididae), a serious quarantine pest of papaya, Carica papaya L., in Hawaii. Dose-response tests were conducted with second-stage nymphs, adult females without eggs, and adult females with eggs at a series of irradiation doses between 60 and 150 Gy to determine the most tolerant stage. The adult female with eggs was the most tolerant stage. In large-scale validation tests 35,424 adult female scales with and without eggs irradiated at a dose of 150 Gy produced no F1 generation adults with eggs. Irradiation treatment with a minimum absorbed dose of 150 Gy should provide quarantine security for white peach scale on exported papaya and other commodities.

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