温度和光周期对亚洲玉米螟羽化节律的影响
Effects of temperature and photoperiod on the eclosion rhythm of Ostrinia furnacalis
余国志,陈,刘伟,付小刚,魏洪义**
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DOI：
作者单位：江西农业大学农学院南昌330045
中文关键词：羽化节律， 光周期， 温度， 亚洲玉米螟
英文关键词：eclosion rhythm, photoperiod, temperature, Ostrinia furnacalis
中文摘要：实验在不同的温度和光周期条件下研究了亚洲玉米螟Ostrinia furnacalis (Guenée)的羽化节律。结果表明：在8～16 h的暗期中亚洲玉米螟
羽化高峰均集中在暗期，羽化活动随光暗交替表现出节律性。这种节律性受到暗长的影响，暗期越短羽化高峰越提前，反之亦然；其次温度也
影响羽化节律，在22℃中各光周期的羽化高峰均比25℃出现的更晚。此外亚洲玉米螟在持续的光期中羽化不表现出内源性节律，而在持续暗期
中却表现出内源性节律，且该内源性节律在22℃和25℃下基本相同约为24 h。
英文摘要：The effects of temperature and photoperiod on the eclosion rhythm of Ostrinia furnacalis (Guenée) were studied under
laboratory conditions. All of the eclosion peaks were found to appear in the scotophase, for night lengths from 8 h to 16 h.
The eclosion patterns were found to be in rhythm with the lightdark cycle, the rhythmicity being affected by the length of
scotophase and by temperature. The eclosion peak was earlier with a shorter scotophase, and later with a longer scotophase
and the peaks were later at a temperature of 22℃ than at 25℃. Freerun eclosion rhythms were found to be about 24 h at
both 22℃ and 25℃ and only appeared in constant darkness.