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題 名 | Developmental Biology and Population Growth of Turnip Aphid, Lipaphis Erysimi (Homoptera: Aphididae), Fed Kale=偽菜蚜(同翅目:蚜蟲科)取食芥藍之發育生物學及其族群增長 |
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作 者 | 蕭文鳳; | 書刊名 | 中華昆蟲 |
卷 期 | 19:4 1999.12[民88.12] |
頁 次 | 頁307-318 |
分類號 | 385.752 |
關鍵詞 | 發育生物學; 族群增長; 內在增值率; Lipaphis erysimi; Life cycle; Intrinsic rate of increase; |
語 文 | 英文(English) |
中文摘要 | 偽菜蚜(同翅目:蚜蟲科)取食芥藍之發育生物學及其族群增長 於室內25及30℃定溫下,以盛開之花朵及種莢為食物餵食偽菜蚜,以探討其生長速率(包 括若蟲發育、齡別存活率、齡別繁殖率、平均壽命長度及內在增殖率等因子)。在25℃下取 食花朵之偽菜蚜的內在增殖率最高(r =0.5299),而30℃取食種莢之偽菜蚜的內在增殖率 最低(r =0.3997)。不論所取食之食物類別,在處理溫度25℃處理組皆有較高之內在增殖 率、淨增殖率(R )及平均世代時間。而蛻皮數及各齡若蟲體長在處理間並無顯著差異。 35℃處理組的齡別存活率(l )於第四天就降到零。取食花朵組,齡別存活率在30℃時自第3 天,25℃自第10天開始下降。取食種莢組,齡別存活率在30℃時自第6天,25℃自第10 天開始下降。取食花朵組在25℃自第4天,30℃自第5天開始產後代。取食種莢組,在25 ℃自第4天,30℃自第6天就開始產後代。就齡別繁殖率,不論食物類別,25℃處理組的數 值皆高於30℃處理組的數值。後代產生數25℃處理組皆高於30℃處理組。 |
英文摘要 | Parameters of population growth, intrinsic rate of increase, length of generation, and net reproductive rate, etc., were determined for the turnip aphid, Lipaphis erysimi, reared on blooming flowers/seed pods at 25 and 30℃. The blooming flower-fed turnip aphids had the highest intrinsic rate of increase at 25℃ (r =0.5299), and seed pod-fed turnip aphids had the smallest rate of increase at 30℃ (r =0.3997). Turnip aphids had a higher intrinsic rate of increase, higher net reproduction rate (R =77.8074) and longer mean generation time at 25℃ no matter what they were fed. No significant difference in molt number of nymphs, or nymphal period was found among treatments. However, body length showed a significant difference among different instars for both temperatures and for flower-fed aphids. The survival rate (l ) dropped to zero on day 4 for aphids reared at 35℃. The survival rate started to drop to day 3 at 30℃ and on day 10 at 25℃ for aphids fed on blooming flowers. The survival rate started to drop on day 6 at 30℃ and on day 10 at 25℃ for aphids fed on pods. Reproduction of flower-fed aphids began on day 5 at 30℃ and day 4 at 25℃, and reproduction of seed pod-fed aphids began on day 4 at 25℃, and day 6 at 30℃. The value of mx of aphids reared at 25℃ was higher than that of aphids reared at 30℃ throughout the course of the reproductive period regardless of the food source. Higher numbers of progeny were produced by turnip aphids grown at 25℃ when compared with 30℃ except on day 4 of pod-fed ones at 30℃. |
本系統中英文摘要資訊取自各篇刊載內容。