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題名 | Studies on the Resistance of Green Rice Leafhopper (Nephotettix Cincticeps Uhler) to Four Commonly Used Insecticides in Central Taiwan=臺灣中部地區黑尾浮塵子(Nephotettix Cincticeps Uhler)對四種常用殺蟲劑抗藥性之研究 |
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作者姓名(中文) | 章加寶; 方敏男; | 書刊名 | 臺中區農業改良場研究彙報 |
卷期 | 7 1983.12[民72.12] |
頁次 | 頁121-132 |
分類號 | 433.3 |
關鍵詞 | 中部; 抗藥性; 殺蟲劑; 黑尾浮塵子; 臺灣; |
語文 | 英文(English) |
中文摘要 | 黑尾浮塵子(Nephotettix cincticeps Uhler)為本省水稻之主要害蟲,尤其 在第一期稻作為害最為嚴重。調查之七個地區品系中,埔鹽品系對Monocrotophos 已有抗藥性產生,台中品系對Malathion亦有抗藥性產生,線西品系對 Monocrotophos具有高度之忍受性,若再繼續受此等藥劑之選汰壓力,亦可能成 為抗藥性品系。埔鹽品系對Vamidothion及Carbaryl亦由於相同之道理可能會成 為抗藥性品系。其他品系對此四種藥劑尚未產生明顯之抗藥性,但具相當之感受 性。不同地區黑尾浮塵子品系對此四種藥劑感受性程度之差異,可能與用藥習 慣、施藥次數、害蟲發生情形及環境狀況不同有關。 由相關迴歸分析顯示黑尾浮塵子品系對此四種藥劑可能具有多重抗藥性產 生,而由相關迴歸分析,抗藥性之發生與溫度有些相關。電泳分析顯示,酯鋂活 性與黑尾浮塵子抗藥性具密切之相關性,活性較高者,其抗藥性可能較高;花壇、 埔鹽品系之抗藥性比值較高,其酯鋂活性亦較高,而東勢、大甲品系之抗藥性比 值較小,其酯鋂活性亦較低。故酯鋂活性之增強,可能為黑尾浮塵子對此類殺蟲 劑產生抗藥性之一個重要因子。 |
英文摘要 | The green rice leafhopper (Nephotettix cincticeps Uhler) distributes throughout the temperate, subtropical and tropical areas in the world and is regarded as one of the most serious insect pests on rice in Taiwan. This species is prevalent in central Taiwan, occurring 8-10 generations annually and is more abundant in the first rice crop. Among the seven areas surveyed, green rice leafhopper of PY strain was found resistant to monocrotophos, TC strain was also resistant to malathion, while strain HsHs was highly tolerant to monocrotophos. Continuous use of these insecticides may result in the entire population becoming resistant over a period of time. The green rice leafhopper strains from PY was found to be highly tolerant to vamidothion and carbaryl. Hereagain, the continuous use of these three insecticides may lead to the development of resistance. Strains examined from other areas remained relatively susceptible to these four insecticides. The small correlation among the resistance levels of these four commonly used insecticides in the field populations of green rice leafhopper in central Taiwan implies that they may have multiresistance to all four insecticides. It has also been found that hte toxicity of insecticides and the occurrence of green rice leafhopper may be related to temperature which may influence the appearance of resistance. There are some positive correlations between toxicity of insecticide and temperature. Vertical polyacrylamide slab gel electrophoresis was used in the study of the esterase activity of the strains collected from various locations. There was positive correlation between the esterase activity and the resistance level of green rice leafhopper to these four insecticides. The esterase activity is considered to be an important factor in the appearance of resistance. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。