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題名 | 苦茶粕與無患子劑量之pH值特性與對福壽螺防治成效=pH Value Characteristics and Pomacea Canaliculata Culling Performance of Tea Seed Kernel and Sapindus Doses |
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作者姓名(中文) | 張涴筑; 葉一隆; | 書刊名 | 農業工程學報 |
卷期 | 60:3 2014.09[民103.09] |
頁次 | 頁92-101 |
分類號 | 433.3 |
關鍵詞 | 福壽螺; 苦茶粕; 無患子; pH值; Pomacea canaliculata; Tea seed kernel; Sapindus; pH value; |
語文 | 中文(Chinese) |
中文摘要 | 福壽螺於1979年引進做為食用螺類遭棄養後,至今造成農產損失及環境生態浩劫。基於有機農業與生態保護之考量,本研究利用天然植物萃取後殘留之苦茶粕及無患子來進行福壽螺防治,並以pH值做為量測指標;利用 0.2 g、1 g、10 g、50 g及100 g等五種不同劑量,探討室內恆溫試驗及室外曝曬試驗在不同溫度條件下,苦茶粕及無患子之pH值特性變化。由試驗結果分析得知,當劑量由0.2 g增加至 100 g時,苦茶粕在室內恆溫試驗與室外曝曬試驗之最終測實值分別為pH 4與pH 4.5屬酸性物質;而劑量同樣由0.2 g增加至100 g時無患子在室內恆溫試驗與室外曝曬試驗之最終測實值分別為pH 5.3與pH 6屬弱酸性,且苦茶粕與無患子之pH值與溫度變化為正相關,在撲殺成效方面兩者對於福壽防治都有顯著成效。對環境影響而言,試驗中無患子所產生弱酸效果對於土壤、水源較不具威脅性,故在水稻田撲殺福壽螺之藥劑選擇中,可採用無患子來代替苦茶粕也具有相同成效。 |
英文摘要 | Pomacea Canaliculata was introduced in 1979 as the edible snails; however, further it was abandoned, resulted serious loss in agricultural yields and ecological disaster. Based on organic agriculture and ecological protection considerations, this study used natural plant extracts from Tea Seed Kernel and Sapindus to prevent Pomacea Canaliculata. By using pH value as measurement basis; five concentrations including 0.2 g, 1 g, 10 g, 50 g and 100 g on indoor constant temperature test and outdoor exposure test were determined under different temperatures. Result of experiments showed that Tea Seed Kernel is an acidic substance as the dose increases 0.2 g to 100 g, and the pH value was 4 and 4.5 in indoor constant temperature test and outdoor exposure test; Sapindus rendered weak acid as the dose increases 0.2 g to 100 g, and the pH value was 5.3 and 6 in indoor constant temperature test and outdoor exposure test. Tea Seed Kernel and Sapindus was positive correlated with pH value and temperature, both of these substances have significant effectiveness in killing Pomacea Canaliculata. Concerning on environmental impact, Sapindus release weak acid in environment which is less threatening in soil and water, therefore Sapindus which has same effectiveness with Tea Seed Kernel was selected instead of Tea Seed Kernel as substrate to kill the Pomacea Canaliculata in paddy fields. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。