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光周期对毛健夜蛾交配和产卵的影响 被引量:7

Effects of photoperiod on the mating and oviposition of Brithys crini
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摘要 为探明光周期对毛健夜蛾Brithys crini(Fabricius)交配和产卵的影响,在实验条件下观察了5个光周期(L14∶D10、L16∶D8、L18∶D6、L20∶D4和L22∶D2)下成虫交配及产卵行为。结果表明:(1)光周期为L14∶D10、L16∶D8、L18∶D6、L20∶D4和L22∶D2时,毛健夜蛾成虫总交配率(分别为26.09%、31.25%、17.93%、26.32%和11.76%)或暗期的交配率(分别为100.00%、83.33%、100%、75.00%和100%)均有显著性差异;毛健夜蛾成虫交配起始时间(分别为21:00、22:00、0:00、3:00和5:00)和交配高峰(分别为21:00—22:00、1:00—2:00、3:00—5:00、4:00—5:00和5:00—6:00)随断光时间的延迟而推后。(2)各光周期下已交配的单雌产卵量(分别为441.33、453.80、414.00、120.80和145.50粒)或未交配的单雌产卵量(分别为115.35、77.09、90.21、17.79和12.07粒)亦有显著性差异;光周期为L14∶D10、L16∶D8和L18∶D6下,产卵高峰均在1:00—4:00之间,光周期为L20∶D4时,产卵高峰在4:00—5:00之间,而光周期为L22∶D2时,产卵高峰则出现在光期开始的1 h内(即6:00—7:00)。这些研究结果初步揭示了不同光周期对毛健夜蛾交配和产卵行为影响不同。 To understand the effects of photoperiod on the mating and oviposition of Brithys crini (Fabricius), the behaviors of adult in 5 photoperiods (L14: D10, L16: D8, L18: D6, L20: D4 and L22: D2) were observed under the laboratory conditions. The results indicated: (1) when photoperiod was L14: D10, L16: D8, L18: D6, L20: D4 and L22: D2, there was significant difference in the total mating percentage of adult (26.09%, 31.25% , 17.93%, 26.32% and 11.76%, respectively) or mating percentage in dark phase (100.00%, 83.33%, 100% , 75.00% and 100%); Mating onset of adult (21:00, 22:00, 0:00, 3:00 and 5:00, respectively) and mating peak time (21:00~22:00, 1:00~2:00, 3:00~5:00, 4:00~5:00 and 5:00~6:00) delayed with light-off delaying. (2) There was also significant difference in oviposition per mated female (441.33, 453.80, 414.00, 120.80 and 145.50 eggs) or oviposition per unmated female (115.35, 77.09, 90.21, 17.79 and 12.07 eggs) under different photoperiod; Oviposition peaks occurred during 1:00~4:00 for L14: D 10, L16: D 8 and L18: D 6, 4:00~5:00 for L20: D 4 and 6:00~7:00 in light phase for L22: D 2. The results showed there were different effects of different photoperiod on mating and oviposition of B. crini adult.
出处 《应用昆虫学报》 CAS CSCD 北大核心 2013年第5期1238-1243,共6页 Chinese Journal of Applied Entomology
基金 江西师范大学科研计划项目(自然科学类)(NO.4553) 江西师范大学大学生课题项目
关键词 毛健夜蛾 光周期 交配 产卵 Brithys crini, photoperiod, mating, oviposition
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