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題 名 | 溫度與寄主植物對美地綿粉介殼蟲(Phenacoccus Madeirensis Green)發育與族群介量之影響=Effects of Temperature and Host Plant on the Development and Population Parameters of the Madeira Mealybug (Phenacoccus Madeirensis Green) |
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作 者 | 葉郁菁; 黎瑞鈴; 陳秋男; | 書刊名 | 臺灣昆蟲 |
卷 期 | 26:4 民95.12 |
頁 次 | 頁329-342 |
分類號 | 387.764 |
關鍵詞 | 美地綿粉介殼蟲; 半翅目; 兩性生命表; 族群介量; Phenacoccus madeirensis; Hemiptera; Two-sex life table; Population parameters; |
語 文 | 中文(Chinese) |
中文摘要 | 美地綿粉介殼蟲 (Phenacoccus madeirensis Green) 為近年來新入侵臺灣之害蟲,已知其寄主範圍廣且繁殖力強,但國內外詳細之生態學資料十分缺乏。本試驗選定茄科之番茄 (Solanaceae: Lycopersicon esculentum)、豆科之綠豆 (Fabaceae: Vigna radiata (L.) R. Wilczek) 與菊科之咸豐草 (Asteraceae: Bidenspilosa) 為寄主植物,觀察其於15、20、25、28、30、32 與35℃下之生長發育情形,收集兩性生命表資料並求其族群介量。美地綿粉介殼蟲在番茄葉上於15 與35℃下及在綠豆葉與咸豐草上於15℃下均無法完成生活史,死亡率於若蟲期即達 100%。在 20 至32℃範圍內,從卵到成蟲的平均發育時間均以20℃下最長,雄性約需 58~78 日,雌性則需 48~70 日。以30℃下發育最快,雄性約需 22~25 日,雌性則需 18~25 日。在番茄上之累積死亡率於28℃下最低,在綠豆與咸豐草上之累積死亡率則以 25~30℃時較低。在三種植物上兩性之壽命均隨溫度升高而縮短,以20℃最長,雄性約 5~6 日,雌性約 26~40 日,30℃下最短,雄性約 2~3 日,雌性則約 12~15 日。飼育於番茄葉上者於 28與32℃下,綠豆葉上者於32℃下,咸豐草上者於 30 與32℃均有空卵囊之出現。最高產卵量在番茄葉上於30℃下產卵 67.8 粒,於綠豆葉在28℃下產卵 492.7 粒,而在咸豐草葉上則在25℃下產卵 140.7 粒。最高淨生殖率 (R0) 在番茄上為30℃時之 33.9,綠豆上為28℃之 248.0,在咸豐草上則為25℃之 71.0。在番茄與綠豆上之內在增殖率 (rm) 與終極增殖率 (λ) 均以30℃為最大,rm值分別為 0.0282 與 0.0679,λ值則為 1.0286 與 1.0702。在咸豐草上之rm值與λ值則以25℃為最大,分別為 0.0229 與 1.0232。在番茄與綠豆上之族群倍增時間 (Dt) 均以30℃下為最短,分別為 24.6 與 10.2 日,咸豐草上則以25℃下 30.3 日為最短。平均世代時間 (T) 均隨溫度升高而縮短,30℃下有最短之T,三種植物上分別為雄性 27.7、25.2 與 25.0 日,雌性 40.3、31.4 與 34.9 日。綜觀上述,美地綿粉介殼蟲生長繁殖的最適溫度約在 25~30℃,而三種植物中以綠豆為最適合之寄主,但咸豐草可能是其終年生活的重要野生寄主。 |
英文摘要 | The Madeira mealybug, Phenacoccus madeirensis Green (Hemiptera: Pseudococcidae), is a newly invasive pest in Taiwan. Phenacoccus madeirensis has a wide host range and a short generation time, but knowledge of its life cycle is very limited. We studied the effects of constant temperatures (15, 20, 25, 28, 30, 32 and 35 ℃ ), with 70% relative humidity and a 12L:12D photoperiod, on the development, survival, and reproduction of Phenacoccus madeirensis reared on three representative host plants, namely tomato (Lycopersicon esculentum, Solanaceae), mung bean (Vigna radiata, Fabaceae), and hairy beggartick (Bidens pilosa, Asteraceae). Data of the two-sex life table were collected to estimate its population parameters. Phenacoccus madeirensis reared on tomato leaves at 15 and 35℃ and on mung bean leaves and hairy beggartick leaves at 35℃ could not successfully complete its life cycle. The mealybug had the fastest development of all stages on the three host plants at 30 ℃ . The total developmental periods of female mealybugs on tomato, mung bean, and hairy beggartick were about 25, 19, and 20 days, respectively. Males took about 3-7 days longer to develop than females. The lowest mortalities on the three host plants were at 28, 25-30℃ and 25-30℃, respectively. The mean longevity of P. madeirensis decreased with increasing temperature. The highest fecundities were 67 eggs on tomato leaves at 30℃, 493 eggs on mung bean leaves at 28℃ and 141 eggs on hairy beggartick leaves at 25℃. Females reared at 28 and 32℃ on tomato leaves laid empty ovisacs as did those at 32℃ on mung bean leaves, and 30 and 32 ℃ on hairy beggartick leaves. The highest net reproductive rate (R0) on tomato leaves was at 30℃, on mung bean leaves was at 28℃, and on hairy beggartick leaves was at 25℃. The highest intrinsic rates of natural increase (rm) were 0.0282, 0.0679, and 0.0229 respectively on tomato leaves and mung bean leaves at 30℃ and on hairy beggartick leaves at 25℃. Accordingly, the shortest doubling times (Dt) respectively on tomato and mung bean leaves were 24.6 and 10.2 days at 30℃, and 30.3 days on hairy beggartick leaves at 25℃. Both males and females had the shortest mean generation time (T) at 30℃, being 28, 25, and 25 days for the male and 40, 31, and 35 days for the female on the three plants, respectively. Thus, we concluded that the optimal temperature range for P. madeirensis population growth was 25-30℃, and mung bean was the most suitable host plant among the three plants tested. However, hairy beggartick might be the most important wild host plant for the completion of its life cycle year-round. |
本系統中英文摘要資訊取自各篇刊載內容。