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1 April 2004 Susceptibility of Potato Tuber Moth (Lepidoptera: Gelechiidae) to Postharvest Gamma Irradiation
George Saour, Hayat Makee
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Abstract

Gamma irradiation doses applied to inhibit potato sprouting were tested against potato tuber moth larval and pupal stages. Young larvae and pupae were more susceptible to irradiation injuries than older ones. When larvae of different ages were exposed to doses ≥100 Gy, only 13–35% pupated, but no adult emergence was obtained. The exposure of 1–1.5- or 3–3.5-d-old pupae to 150 Gy induced high level of sterility and remarkable reduction in female mating ability and fecundity, whereas the reduction was less noticeable for 5–5.5-d-old pupae. Postharvest gamma irradiation of potatoes could be considered as an efficient control approach against potato tuber moth larval and pupal infestations.

George Saour and Hayat Makee "Susceptibility of Potato Tuber Moth (Lepidoptera: Gelechiidae) to Postharvest Gamma Irradiation," Journal of Economic Entomology 97(2), 711-714, (1 April 2004). https://doi.org/10.1603/0022-0493-97.2.711
Received: 31 March 2003; Accepted: 1 October 2003; Published: 1 April 2004
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KEYWORDS
postharvest irradiation
potato sprouting
Potato tuber moth
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