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Effects of uv radiation on different life stages of mediterranean flour moth ephestia kuehniella zeller (Lepidoptera: Pyralidae)

Başlık çevirisi mevcut değil.

  1. Tez No: 469016
  2. Yazar: ASEEL FADHIL MAHMOOD MAHMOOD
  3. Danışmanlar: PROF. DR. ABDURRAHMAN AYVAZ
  4. Tez Türü: Yüksek Lisans
  5. Konular: Biyoloji, Biology
  6. Anahtar Kelimeler: Ephestia kuehniella, ultraviolet radiation, mortality, longevity, Ephestia kuehniella, ultraviolet radiation, mortality, longevity
  7. Yıl: 2017
  8. Dil: İngilizce
  9. Üniversite: Erciyes Üniversitesi
  10. Enstitü: Fen Bilimleri Enstitüsü
  11. Ana Bilim Dalı: Biyoloji Ana Bilim Dalı
  12. Bilim Dalı: Belirtilmemiş.
  13. Sayfa Sayısı: 61

Özet

In this study, we have tested the effects of Ultra violet (UV) radiation on eggs, larvae, pupa and adults of Mediterranean flour moth, Ephestia kuehniella. When different age groups of E. kuehniella eggs (0-72 h) were exposed to shortwave UV-radiation for six different exposure time (50-600 s), mortality rates of the eggs increased with increasing exposure time. At the 400s application, complete mortality was only observed for 24 h old eggs. While 476.61s was sufficient for 24 h old eggs, 861.37s was required to prevent larval emergence from 0-2 h old eggs completely. Killing effects of longwave UV-radiation were lower than that of shortwave UV-radiation on the E. kuehniella eggs and no complete mortality was achieved with these exposure times. Embryonic development periods were not changed for 0-2, 24, and 48 h age groups of eggs with increasing exposure time. However, embryonic development period decreased for 72 h old eggs when compared control. On the other hand, there were no differences among age groups with respect to embryonic development when the eggs irradiated with longwave UV-radiation at all exposure times. Mortality rates increased with increasing exposure time when the larvae exposed to shortwave UV- radiation showing much higher effect than longwave radiation. Because the larvae irradiated with longwave UV-radiation there was no significant change up to 30 minutes. On the other hand, both short and longwave radiation caused a decrease in adult emergence periods from irradiated pupae. Longevity of these adults was not changed depending on the exposure times. In the experiments with the adult E. kuehniella, UV-radiation does not change longevity of the adults after exposure. However, egg production and hatchability of these eggs decreased with increased periods for both short and longwave UV-radiation.

Özet (Çeviri)

In this study, we have tested the effects of Ultra violet (UV) radiation on eggs, larvae, pupa and adults of Mediterranean flour moth, Ephestia kuehniella. When different age groups of E. kuehniella eggs (0-72 h) were exposed to shortwave UV-radiation for six different exposure time (50-600 s), mortality rates of the eggs increased with increasing exposure time. At the 400s application, complete mortality was only observed for 24 h old eggs. While 476.61s was sufficient for 24 h old eggs, 861.37s was required to prevent larval emergence from 0-2 h old eggs completely. Killing effects of longwave UV-radiation were lower than that of shortwave UV-radiation on the E. kuehniella eggs and no complete mortality was achieved with these exposure times. Embryonic development periods were not changed for 0-2, 24, and 48 h age groups of eggs with increasing exposure time. However, embryonic development period decreased for 72 h old eggs when compared control. On the other hand, there were no differences among age groups with respect to embryonic development when the eggs irradiated with longwave UV-radiation at all exposure times. Mortality rates increased with increasing exposure time when the larvae exposed to shortwave UV- radiation showing much higher effect than longwave radiation. Because the larvae irradiated with longwave UV-radiation there was no significant change up to 30 minutes. On the other hand, both short and longwave radiation caused a decrease in adult emergence periods from irradiated pupae. Longevity of these adults was not changed depending on the exposure times. In the experiments with the adult E. kuehniella, UV-radiation does not change longevity of the adults after exposure. However, egg production and hatchability of these eggs decreased with increased periods for both short and longwave UV-radiation.

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