黄曲条跳甲实验室种群的生命表研究
Hubei Agricultural Sciences（2017）
Abstract
通过模拟自然条件,用小白菜苗饲养黄曲条跳甲[Phyllotreta striolata(Fabricius)],组建了其年龄特征生命表和繁殖特征生命表,并计算出反映其种群增长动态的几个重要参数.结果表明,黄曲条跳甲世代总存活率为0.57,净繁殖率为96.6366,平均世代周期为43.9 d,内禀增长率为0.1040,周限增长率为1.1096,种群翻倍时间为6.7 d,在稳定年龄组配中,未成熟期(卵、幼虫、蛹)年龄组占85.47%,成虫期年龄组占15.53%.
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