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Estimating temperature effects on Drosophila suzukii life cycle parameters
Agricultural and Forest Entomology ( IF 1.6 ) Pub Date : 2021-03-20 , DOI: 10.1111/afe.12438 Alicia Winkler 1 , Jeanette Jung 1, 2 , Benno Kleinhenz 1 , Paolo Racca 1
中文翻译：
估计温度对 Drosophila suzukii 生命周期参数的影响
更新日期：2021-03-20
Agricultural and Forest Entomology ( IF 1.6 ) Pub Date : 2021-03-20 , DOI: 10.1111/afe.12438 Alicia Winkler 1 , Jeanette Jung 1, 2 , Benno Kleinhenz 1 , Paolo Racca 1
Affiliation
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- Drosophila suzukii is an invasive, polyphagous pest of soft-skinned fruits, having huge impact on fruit production in Asia, North and South America and Europe including Germany.
- To investigate the effect of temperature on oviposition, egg-to-adult development success and duration, as well as immature heat survival and adult cold survival for a German D. suzukii population several experiments were conducted under different constant temperatures in the laboratory. The resulting life cycle data were described mathematically as functions of temperature and compared with experimental results of other researchers in a summary table.
- Curve fittings used herein revealed that minimum, optimum and maximum temperatures are: 13.2, 26.7 and 33.6 °C for oviposition, 14.1, 22.6 and 30.0 °C for egg-to-adult development success, and 9.6, 27.3 and 35.7 °C for egg-to-adult development duration. Eggs and larvae of D. suzukii showed a reduced heat survival within the tested temperature range of 29 to 41 °C and exposure durations from 1 to 8 h. A cold survival rate of 50% was measured at e.g. −6 °C for 4 h in summer morph adults and at e.g. −6 °C for 45 h in winter morph adults confirming that the latter are more cold tolerant.
- Results obtained in this study for a German population of D. suzukii are similar to those obtained for populations of other origins such as Canada, Japan, Spain and USA. Thus, presumably, present data based on a German D. suzukii population can be used for a new or fine-tune of already existing population dynamics models of D. suzukii in order to support an effective pest management strategy.
中文翻译：
估计温度对 Drosophila suzukii 生命周期参数的影响
- 铃木果蝇是一种侵入性多食性软皮水果害虫，对亚洲、北美和南美以及包括德国在内的欧洲的水果生产产生巨大影响。
- 为了研究温度对德国铃木 D. suzukii种群的产卵、卵到成体发育成功和持续时间以及未成熟热存活和成体冷存活的影响，在实验室中在不同的恒温下进行了多项实验。由此产生的生命周期数据在数学上被描述为温度的函数，并在汇总表中与其他研究人员的实验结果进行比较。
- 此处使用的曲线拟合显示，最低、最佳和最高温度分别为：产卵 13.2、26.7 和 33.6 °C，卵到成体发育成功的 14.1、22.6 和 30.0 °C，以及卵的 9.6、27.3 和 35.7 °C - 到成人的发展持续时间。D. suzukii 的卵和幼虫在 29 至 41 °C 的测试温度范围内和暴露持续时间为 1 至 8 小时内显示出热存活率降低。夏季变形成虫在例如-6°C 下4 小时和冬季变形成虫在例如-6°C 下45 小时测得的冷存活率为50%，证实后者更耐寒。
- 在这项研究中对德国铃木 D. suzukii种群获得的结果与在加拿大、日本、西班牙和美国等其他来源种群中获得的结果相似。因此，据推测，基于德国铃木 D. suzukii种群的现有数据可用于新的或微调D. suzukii现有的种群动态模型，以支持有效的害虫管理策略。
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