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頁籤選單縮合
題名 | 溫度、光週期及擁擠處理對桃蚜有翅型出現之影響=Effects of Temperature, Photoperiod and Crowding Treatment on Alate Formation in the Green Peach Aphid, Myzus Presicae(Sulzer) |
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作者 | 郭美華; 劉玉章; 馬又怡; | 書刊名 | 中華昆蟲 |
卷期 | 19:1 1999.03[民88.03] |
頁次 | 頁1-18 |
分類號 | 385.752 |
關鍵詞 | 桃蚜; 有翅型; 溫度; 光週期; 擁擠效應; Myzus persicae; Sulzer; Alatae; Temperature; Photoperiod; Crowding effect; |
語文 | 中文(Chinese) |
中文摘要 | 10、15、20 及 25℃下於 6L:18D、10L:14D 及 14L:10D 不同光週期下,桃蚜(Myzus persicae(Sulzer))在甘藍葉飼育下,母蚜單隻飼育所產若蚜以1隻/葉飼育時均無有翅型出現,但所產若蚜以10隻/葉及20隻/葉飼育時,則各溫度下皆出現有翅型,其中15 ℃、10L:14D 時出現比率最高,分別為22.5%及27.5%。母蚜經10隻/葉擁擠飼育下所產若蚜以單隻飼育時,有翅型出現比率明顯高於母蚜以單隻飼育時所產若蚜者,所產之若蚜亦以擁擠飼育者,有翅型之比率皆明顯更為增高。若蚜以20隻/葉飼育時,於15℃及10℃下,母蚜擁擠飼育後所產若蚜有翅型之比率高於母蚜以單隻飼育者,分別為7倍及5倍。經分析顯示有翅型之出現與母蚜擁擠、溫度、若蚜密度具直接關係,處理天數與光週期對有翅蚜出現具間接關係,其中擁擠為主因。 |
英文摘要 | At 10, 15, 20, and 25℃, green peach aphid, Myzus persicae (Sulzer), nymphs were reared at densities of 1 nymph /leaf after their adult mother was individually reared on cabbage; there was no alate formation at photoperiods of 6L:18D, 10L:14D, or 14L:10D. When nymphs were reared at densities of 10 nymphs/leaf and 20 nymphs/ leaf, alate was formed at all temperatures tested, and the highest percentages of alate formation were 22.5% and 27.5%, respectively, at these 2 denser densities under 10 14D at 15℃. The percentage of alate formation was apparently higher when nymphs were individually reared after their mother aphids were reared under a denser density of 10 adults/leaf than if theirx mothers were individually reared. Furthermore, when nymphs were also reared at crowded densities instead of individually reared, the percentage of alate further significantly increased. When nymphs were reared at a density of 20 nymphs/leaf after their mother aphids were high-density reared, the percentage of alate formation was about 7 times higher at 15℃ than if their mothers were individually reared, and about 5 times higher at 10℃. By analyzing the regression of alatae emergence and multiple factors, it was found that mother aphid crowding, temperature, and nymph-rearing density were of direct concern, and rearing period and photoperiod were of indirect concern. Crowding was the major influential factor for alatae emergence. |
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