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| Content Provider | Springer Nature Link |
|---|---|
| Author | Imai, Toshihiro Fukazawa, Naoto |
| Copyright Year | 2012 |
| Abstract | The susceptibility of the cigarette beetle Lasioderma serricorne (F.) to hypoxia was examined at three different oxygen concentrations (0.5–0.8, 1.0–1.3, and 2.0–2.3 %) and four different temperature/humidity (RH) conditions: 30 °C/75 % RH, 25 °C/75 % RH, 20 °C/43 % RH, and 15 °C/43 % RH. The influence of humidity on mortality was also examined at three humidity levels (21, 43, and 75 % RH) at 1.0–1.3 % oxygen (O$_{2}$) and 25 °C. Our results revealed that adult beetles were the most tolerant at 2.0–2.3 % O$_{2}$ and that the larvae were the most tolerant at O$_{2}$ levels <1.0–1.3 %. Mortality increased with increasing temperatures and decreasing O$_{2}$ concentrations. At 30 °C, 75 % RH, and 0.5–0.8 % O$_{2}$, the 99 % lethality (LT$_{99}$) of larvae was 6.9 days; however, it increased to 20 days when the temperature was decreased to 25 °C or when O$_{2}$ levels were increased to 1.0–1.3 %. Humidity also influenced mortality of both larval and adult beetles. LT$_{99}$ values for larvae at 25 °C and 1.0–1.3 % O$_{2}$ were 24.0, 44.6, and 50.2 days at 21, 43, and 75 % RH, respectively. Results of this study indicate that a controlled atmosphere (CA) with reduced oxygen levels (<0.5–0.8 % O$_{2}$) represents an effective measure for disinfesting stored tobacco as an alternative to conventional phosphine fumigation at temperatures >30 °C. |
| Starting Page | 429 |
| Ending Page | 432 |
| Page Count | 4 |
| File Format | |
| ISSN | 00036862 |
| Journal | Applied Entomology and Zoology |
| Volume Number | 47 |
| Issue Number | 4 |
| e-ISSN | 1347605X |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2012-09-09 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cigarette beetle Lasioderma serricorne Controlled atmosphere (CA) Hypoxia Low oxygen Environmental Management Plant Pathology Zoology Entomology Applied Ecology Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Insect Science |
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