文献类型： 外文期刊
作者： Xing, Kun 1 ; Cao, Junyu 2 ; Hao, Bowen 1 ; Zhao, Fei 1 ;
作者机构： 1.Shanxi Agr Univ, Shanxi Key Lab Integrated Pest Management Agr, Coll Plant Protect, Taiyuan 030031, Peoples R China
2.Lvliang Univ, Dept Life Sci, Luliang, Peoples R China
关键词： adult stage; climate change; immediate effect; maternal effect; Plutella xylostella; temperature amplitude
期刊名称：JOURNAL OF APPLIED ENTOMOLOGY （ 影响因子：2.183； 五年影响因子：2.442 ）
ISSN： 0931-2048
年卷期：
页码：
收录情况： SCI
摘要： Temperature fluctuation is one of the most important factors in climate change, and research into its effects on organisms is increasing. Nonetheless, few studies have addressed its effects on insects and particularly on the parental generation. We therefore simulated temperature amplitudes (+/- 0, 4, 6, 8, 10 degrees C) for a mean environmental temperature of 25 degrees C and studied their immediate and maternal effects on a global pest, the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae), focusing on adult longevity and fecundity and egg development and survivorship in the next generation. Relative to constant temperature, moderate amplitudes (4 and 6 degrees C) did not affect the adults, whereas 8 and 10 degrees C amplitudes hindered adult longevity and fecundity, but significantly increased the proportional of early fecundity after each treatment. Temperature amplitude 10 degrees C inhibited development of Day 2 and Day 3 laid eggs. These findings show that temperature amplitude affects both the maternal and offspring phenotype and indicate that the influence of temperature amplitude on diamondback moth population models requires further research.
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