Age-Specific Life Table Parameters and Survivorship of an Iranian Population of the Codling Moth (Lepidoptera: Tortricidae) at Different Constant Temperatures
Age-Specific Life Table Parameters and Survivorship of an Iranian Population of the Codling Moth (Lepidoptera: Tortricidae) at Different Constant Temperatures
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DOI：
10.1603/008.102.0205
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发表时间：
2009-03-01
影响因子：
2.3
通讯作者：
Rezapanah, Mohammadreza
中科院分区：
文献类型：
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作者：
Aghdam, Hossein Ranjbar;Fathipour, Yaghoub;Rezapanah, Mohammadreza
在8个恒温(10、14、20、25、27、30、33和35+/-0.5℃)下，研究了幼蛾的各年龄生命表参数和存活率、成虫寿命、繁殖期、生育力和性别比。在所考察的温度中，在27℃时，净生殖率、内在增长率、增长率和有限增长率的最高值分别为18.28(雌/雌)、0.08(雌/雌/d)和1.08，雌雄比在27℃时最高为0.56[雌/(雌+雄)]，平均世代时间和倍增时间最高分别为72.26 d和23.09 d，20℃和30℃时最长产卵前期分别为2.77 d和2.55 d。产卵期在20℃时最长为8.46d，产卵后历期在所测温度下差异不显著。WOW频率分布被用来描述雌性成虫的特定年龄存活。根据威布尔分布参数，在所测温度下的存活曲线为I型，表明死亡主要发生在老年个体。这些结果证实了温度是影响蚕蛾种群增长的关键环境因子。
Age-specific life table parameters and survivorship, adult longevity, reproduction periods, fertility, and sex ratio of the codling moth were studied at eight constant temperatures (10, 14, 20, 25, 27, 30, 33, and 35 +/- 0.5 degrees C, Among the examined temperatures, the highest values of net reproductive rate, intrinsic, rate of increase, and finite rate of increase were 18.28 (females/female), 0.08 (females/female/d), and 1.08 at 27 degrees C, respectively, Similarly, the highest value of sex ratio was 0.56 [females/(females + males)] at 27 degrees C. The highest mean generation time and doubling time were 72.26 and 23.09 d, respectively, at 20 degrees C, To present a suitable model for intrinsic rate of increase at different-temperatures, a nonlinear Lactin model was fitted to our Observations, The longest preoviposition period was 2.77 and 2.55 d at 20 and 30 degrees C, respectively. Also, the longest oviposition period was 8.46 d at 20 degrees C. Postoviposition period was not statistically different at examined temperatures. The WOW frequency distribution was used to describe the age-specific survival of the female adults. Based on the Weibull distribution parameters, the survival curves were type I at a examined temperatures, which indicates that mortality mostly occurred in old individuals. These findings confirmed that temperature is a critical environmental factor affecting codling moth population growth.