狄基弗斯 (Dicyphus cerastii):关于发育,生存和繁殖的第一个数据
Gonçalo Abraços-Duarte1,2,3, Filipe Madeira4,5, Paula Souto2,6
1Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal.
PloS one
|April 9, 2025
概括
园艺中的关键捕食者Dicyphus cerastii在各种宿主中在更高的温度下显示出减少的发育和寿命. 从卵到成人的最佳发展发生在29.2°C左右.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 虫害管理 虫害管理 虫害管理
- 农业科学 农业科学
背景情况:
- 在园艺系统中,Dicyphus cerastii 是害虫的重要自然敌人.
- 了解其生物特征对于有效的生物控制策略至关重要.
- 关于环境因素对D. cerastii发育和繁殖的影响的数据有限.
研究的目的:
- 确定宿主植物 (西红,烟草,开普) 和温度对Dicyphus cerastii的形发育,生存和成年长寿的影响.
- 确定D. cerastii不成熟发育的热量要求,包括最佳温度和值.
- 评估D. cerastii在不同的温度下对番茄植物的繁殖能力.
主要方法:
- 的发育,存活率和成年人长寿被评估在番茄,烟草和开普的温度为15.0,20.0和25.0°C,随着猎物的可用性.
- 不成熟的发育和成年人的寿命在番茄上进一步研究了七种温度 (15.035.0°C).
- 生殖参数 (净生殖率,生成时间,内在增长率) 在番茄的20.0°C,25.0°C和30.0°C下测量.
主要成果:
- 淋巴的发育和生存依赖宿主,并且受到温度上升的负面影响.
- 卵到成年人发育的最佳温度估计为29.2°C,较低的发育值约为7.0°C.
- 成人的寿命随着温度升高而显著下降,从15.0°C的158.6天降至30.0°C的13.8天.
结论:
- 温度是影响Dicyphus cerastii生命周期和表现的关键因素.
- 较高的温度减少了发育时间,但也减少了生存和寿命,可能会影响其作为生物控制剂的有效性.
- 这些发现为优化Dicyphus cerastii在温室和田间作物的综合害虫防治计划中的使用提供了必要的数据.
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