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題名 | 五種不同作用機制藥劑於柳橙果實對東方果實蠅防治效果=The Control Efficacy on Oriental Fruit Fly (Bactrocera dorsalis) with Five Insecticides of Different Modes of Action in 'Liucheng' Orange (Citrus sinensis (L.) Osbeck cv. Liucheng) |
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作者 | 盧慧真; 王泰權; 黃守宏; 陳祈男; | 書刊名 | 臺灣農業研究 |
卷期 | 65:2 2016.06[民105.06] |
頁次 | 頁109-116 |
分類號 | 433.3 |
關鍵詞 | 東方果實蠅; 柑橘; 藥效試驗; 果實品質分析; Bactrocera dorsalis; Citrus; Insecticide efficacy; Fruit quality analysis; |
語文 | 中文(Chinese) |
中文摘要 | 東方果實蠅[Bactrocera dorsalis (Hendel)]是世界上重要果樹害蟲,成蟲產卵於果實、幼蟲在果實內蛀食造成嚴重危害,使果品失去經濟價值。目前東方果實蠅整合管理已經發展出許多防治方式,藥劑防治兼具有效及操作簡便的特性,因此本研究著重於登記於柑橘類的害蟲防治用藥。以果實浸藥法探討2.4%第滅寧水懸劑(稀釋1,500×)、50%馬拉松乳劑(稀釋800×)、30%賜派芬水懸劑(稀釋5,000×)、2%阿巴汀乳劑(稀釋2,000×)對柳橙[Citrus sinensis (L.) Osbeck cv. Liucheng]果實上之東方果實蠅防治效果,並以4.5%印楝素乳劑稀釋10×、100×、1,000×作為忌避果實蠅產卵的正對照組進行產卵危害偏好試驗。試驗結果顯示,第滅寧、馬拉松、阿巴汀皆對果實蠅有直接觸殺效果,其中以第滅寧的防治效果最好,使果實蠅無法完成產卵行為;阿巴汀可減少東方果實蠅於柳橙果實中的產卵量,而馬拉松則無忌避效果。印楝素處理雖然無毒殺成蟲的效果,但是可忌避東方果實蠅減少其產卵量。印楝素為有效的東方果實蠅忌避藥劑,本研究亦對該藥劑處理後之柳橙果實進行品質分析與官能品評,結果顯示稀釋10×印楝素處理使果實表面出現藥斑、失重率增加且果肉呈現異味。本研究中以第滅寧為防治東方果實蠅效果最佳藥劑;印楝素雖有忌避防治效果,惟施用濃度過高亦可能影響果實品質與商品價值,因此未來可進一步探討該藥劑搭配其他措施以整合防治東方果實蠅。 |
英文摘要 | The oriental fruit fly [Bactrocera dorsalis (Hendel)] is one of the most important pests in the world. The females lay eggs into fruit surface and hatch, then the larvae cause the damages of fruit dropping. Chemical control is widely used to manage the problem of oriental fruit flies by its low cost and fast control compared with other practices. This study focused on effects of some registered insecticides, which were used for pest management of sweet orange (Citrus sinensis) in Taiwan before. The fruits were dipped with 2.4% deltamethrin SC (1,500×), 50% malathion EC (800×), 30% spirodiclofen SC (5,000×), 2% abamectin EC (2,000×) in choice test. 4.5% azadirachtin EC in 10×, 100×, and 1,000× were used as positive control of deterrent oviposition, and water was used as negative control. The results showed that the females directly died by the treatments of deltamethrin, malathion and abamectin. The treatment of deltamethrin almost prevented the females from penetrating and laying eggs. The treatment of abamectin also suppressed laying eggs to fruit effectively. However, the treatment of malation did not have any oviposition deterrence effect. The treatment of azadirachtin could not kill the oriental fruit flies, but it reduced the numbers of laying eggs in oranges. In addition, the laying eggs decreased with the increasing of the concentrations of azadirachtin. Both 10× and 100× diluted azadirachtin revealed the greatest repellent effect in our experiment. The fruit quality and sensory evaluation for fruits were conducted after the application of insecticides. Drug spots appeared on the surface, and weight loss and odd smell were observed on the fruit treated with 10× azadirachtin. Overall, the deltamethrin was better than other insecticides for the control of oriental fruit flies in this study. Azadirachtin can inhibit the oviposition of oriental fruit fly, but inappropriate concentration of insecticides may affect fruit appearance and its quality. Therefore, the repellent treatment of azadirachtin integrated with other field techniques may have the potential to develop a new control method of oriental fruit fly in the future. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。