每日温度波动对Loxostege sticticalis的生长,发育和繁殖的影响
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在PubMed上查看摘要
概括
此摘要是机器生成的。每天的温度波动促进迁移性害虫的生长,发育和繁殖. 然而, 极端的白天温度对它的生命周期和人口动态有不利影响.
科学领域
- 昆虫学
- 农业科学
- 生态学
背景情况
- 虫是一种迁徙的农业害虫.
- 了解温度波动对昆虫害虫的影响对于预测种群动态和管理农业影响至关重要.
研究的目的
- 研究每日温度波动对Loxostege sticticalis的生长,发育和繁殖的影响.
- 在各种恒定和波动温度状态下计算生命表参数.
主要方法
- 使用双性生命表理论计算L. sticticalis的生命表参数.
- 将昆虫暴露在每天三次恒定温度 (22,25,28°C) 和每天三次波动的平均温度中.
- 在100天内预测人口动态.
主要成果
- 与恒温相比,波动的温度 (I和II模式) 缩短了幼的寿命,增加了卵子的产量.
- 我在波动温度状态下最大化了内在的增长率 (r=0.076d-1),有限的增长率 (λ=1.078d-1),和净的生殖率 (R0=34.82).
- 在波动的温度下,幼虫存活率,幼体重和成体体重都较低;治疗方案III显示生命周期的完成率很低 (2.6%).
结论
- 每天的温度波动通常会提高L. sticticalis的生长,发育,生育能力和健康.
- 极端的白天温度对L. sticticalis种群的建立不利.
- 温度波动对病虫群动态和繁殖成功有很大影响.
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