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題 名 | 不同定溫下黑豆蚜(半翅目:常蚜科)之發育及族群介量=Development and Population Parameters of the Cowpea Aphid, Aphid craccivora Koch (Hemoptera: Aphididae), at Various Constant Temperatures |
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作 者 | 郭美華; 陳佳郁; | 書刊名 | 臺灣昆蟲 |
卷 期 | 24:4 2004.12[民93.12] |
頁 次 | 頁305-315 |
分類號 | 387.764 |
關鍵詞 | 黑豆蚜; 族群介量; 長豇豆; 溫度; 發育; Aphis craccivora; Population parameters; Asparagus bean; Temperature; Development; |
語 文 | 中文(Chinese) |
中文摘要 | 以長豇豆(Vigna sesquipedalis (L.) Fruw.)苗飼育黑豆蚜(Aphis craccivora Koch),於實驗室中觀察六個不同定溫處理(10、15、20、25、30及35℃,光週期12L:12D)對若蚜發育時間、成蚜壽命及繁殖、族群介量之影響。結果顯示若蚜的發育時間由10℃的28.1天縮短至30℃的4.2天。根據10~30℃的發育速率與溫度的直線迴歸分析,估算未成熟期的發育臨界低溫為7.4℃,總積溫為97.2DD(day-degree)。成蟲壽命由15℃的42.2天縮短至35℃的6.2天,而繁殖率在15~25℃下可達82(子代/♀)以上。最小內在增殖率(r)為10℃的0.0437/天,最大為30℃的0.4330/天;終極增長率(λ)由10℃的1.0447/天增加至30℃的1.5419/天。在25℃下的族群具有最高之淨增殖率(R_0)為97.1(子代/♀)。平均世代時間(T)隨著溫度升高而由10℃的41.1天縮短至35℃的8.3天。 |
英文摘要 | In the laboratory, the development, longevity, fecundity, and population parameters of the cowpea aphid, Aphis craccivora Koch, were studied at six constant temperatures (10, 15, 20, 25, 30, and 35°C) on seedlings of the asparagus bean, Vigna sesquipedalis (L.) Fruw. Results showed that the developmental time of immatures was decreased shortened from 28.1 days at 10°C to 4.2 days at 30°C. According to the linear regression analysis of development rate and temperature between 10 and 30°C, overall immature development required 97.2 day-degrees above 7.4 °C. Adult longevity decreased from 42.2 days at 15°C to 6.2 days with increasing temperature to 35°C, at which temperature the average progeny per female was more than 82 individuals, up from 15 at 25°C. The intrinsic rate of increase (r) and the finite rate of increase (λ) were the lowest at 10°C (r = 0.0437/d, λ = 1.0447/d), and the highest at 30°C (r = 0.4330/d, λ= 1.5419/d). The population reared at 25°C had the highest net reproductive rate (R_0 = 97.1 offspring/female). The mean generation time (T) decreased as the temperature increased from 41.1 days at 10°C to 8.3 days at 35°C. |
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