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題名 | Greenhouse and Field Evaluation of a New Male Annihilation Technique (MAT) Product, SPLAT-MAT Spinosad ME™, for the Control of Oriental Fruit Flies (Diptera: Tephritidae) in Taiwan=溫室及田間網籠評估新的滅雄劑型SPLAT-MAT Spinosad ME™對東方果實蠅(Diptera: Tephritidae)的誘殺效果 |
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作者姓名(中文) | 許如君; 劉佩芳; 馮海東; | 書刊名 | 臺灣昆蟲 |
卷期 | 30:2 2010.06[民99.06] |
頁次 | 頁87-101 |
分類號 | 433.3 |
關鍵詞 | 賜諾殺; 乃力松; 滅雄法; 甲基丁香油; 東方果實蠅; Spinosad; Naled; Methyl eugenol; Male annihilation; Bactrocera dorsalis; |
語文 | 英文(English) |
中文摘要 | 在台灣利用溫室及田間網籠評估一種新的滅雄技術 SPLAT-MAT Spinosad ME™ (SPLAT-Spin-ME) 對東方果實蠅 (Bactrocera dorsalis) 雄蟲的誘殺效果。 SPLAT-MAT Spinosad ME™ 是道禮農業科學公司提供的一種具黏性的滅雄製劑, 其內含低劑量的賜諾殺 (有效成份 2%) 混合對東方果實蠅雄蟲具強吸引力的甲基丁 香油 (50%)。以風化資材在溫室網籠比較 1 及 2 週誘殺率,其中二種滅雄試驗組 (SPLAT-Spin-ME, naled+ME) 的雄蟲誘殺率較高,不過二種誘餌試驗組 (GF-120 bait spray, malathion protein bait spray) 雄蟲誘殺率則很低。在溫室網籠 1 到 2 週的試驗中,24 及 48 小時的死亡率 SPLAT-Spin-ME 比 naled+ME 高,但差異 不顯著。田間網籠的試驗結果郤相反。以 1 小時誘引率而言,naled+ME (8 mL) 在 7 週內的試驗期皆維持 70~76% 的誘引率,而 SPLAT-Spin-ME (1 g) 則從 51 到 32%,其中在第 4 週後開始下降。另外,48 小時誘殺率試驗中,naled+ME 在 8 週 的試驗期間皆維持於 92~100%的誘殺率,而 SPLAT-Spin-ME 僅於 3 週內維持 88~100% 的誘殺率。二種滅雄處理在田間及溫室網籠誘殺率相反的結果,主要是因 naled+ME 田間使用的量比 SPLAT-Spin-ME 來得大 (甲基丁香油的量差 15 倍),且其吸附於蔗板中,能達到緩釋的效果。以本試驗的量,SPLAT-Spin-ME (1 g) 在戶外可維持大約 3 到 4 週,而 naled+ME (8 mL) 可以有 8 週的效果。雖然 SPLAT-Spin-ME 1 克的量比現行使用的含毒甲基丁香油 (蔗板吸附 8 ml) 的殘留 時間較短,SPLAT-Spin-ME 仍是一個有效防治東方果實蠅且可替代目前較毒滅雄產 品的製劑。 |
英文摘要 | The attraction and toxicity of a novel male annihilation technique (MAT) product, SPLAT-MAT Spinosad ME™ (SPLAT-Spin-ME), to the male of the oriental fruit fly (Bactrocera dorsalis) was evaluated under both greenhouse and field conditions in Taiwan. SPLAT-Spin-ME is a viscous, MAT formulation containing low doses of spinosad (2%) mixed with the powerful male-specific parapheromone attractant methyl eugenol (ME). The proprietary carrier formulation, SPLAT®, provides a metered release of the toxicant and the attractant into the environment. In greenhouse cage trials the attraction rates of B. dorsalis males for the two MAT treatments (SPLAT-Spin-ME, naled+ME) were equally high at 0, 1, and 2 weeks weathering time-points, and uniformly low for the two bait spray treatments (GF-120 bait spray, malathion protein bait spray). The mortality of B. dorsalis males in greenhouse cage studies for the two MAT treatments was highest with SPLAT-Spin-ME outperforming naled+ME at the 1 and 2 weeks weathering periods both at the 24 h and 48 h grading intervals, with neither bait spray treatments providing a substantial mortality. The results from the field cage studies were the reverse of the results from the greenhouse evaluations. In the field cage studies naled+ME (8 mL) maintained a consistent ca 70-76% attraction rate of up to 7 weeks, whereas SPLAT-Spin-ME (1 g) demonstrated a relatively rapid decline in attraction from an initial 51% to 32% and below starting at week 4. Based on a 48 h grading period, naled+ME generated 92-100% mortality in the field mortality bioassay at all weathering time-points from 0-8 weeks, whereas SPLAT-SpinME provided 88-100% mortality, but only through week 3. The markedly better performance of naled+ME in the field vs. the greenhouse bioassays is attributed to a rate change that took place and which dramatically increased the amount of ME attractant, relative to SPLAT-Spin-ME, used in the field studies, as well as the fact that naled+ME was infused into caneite blocks for the field bioassays which extended the residual of the ME attractant. Under these test conditions the overall efficacy of SPLAT-Spin-ME for controlling B. dorsalis males outdoors was around 3-4 weeks whereas naled+ME overall efficacy was around 8 weeks. Although apparently with a shorter residual than the naled+ME MAT standard, SPLAT-Spin-ME was shown to be a highly effective MAT treatment for controlling B. dorsalis and a viable alternative or replacement for current, more toxic MAT products. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。