查詢結果分析
來源資料
頁籤選單縮合
題 名 | 過氧化鈣暨植物激素提升能源作物向日葵植生復育整治重金屬成效之研究=The Improvement of Phytomediation on the Treatment Effectiveness of Heavy Metals with Energy Sunflower Plants with Calcium Peroxide and Phytohormones |
---|---|
作 者 | 葉琮裕; 吳佳峻; 李昆燁; | 書刊名 | 臺灣鑛業 |
卷 期 | 66:4 2014.12[民103.12] |
頁 次 | 頁49-65 |
分類號 | 445.6 |
關鍵詞 | 植生復育; 重金屬; 螯合劑EDTA; 能源作物; 向日葵; 生長激素; 植生降解; Phytomediation; Heavy metal; Chelating agent EDTA; Energy plant; Sunflower; Hormones; IAA; GA₃; Phytoattenuation; |
語 文 | 中文(Chinese) |
中文摘要 | 植生復育為環境友善之綠色復育技術,搭配常應用於提升農作物生長之過氧化鈣及生長激素,可預期提高植生復育成效。研究主要為兩部分,分(1)水耕試驗。(2)盆栽試驗。在水耕試驗中初步了解過氧化鈣、生物激素(IAA與GA3)與螯合劑EDTA添加對於向日葵植體生長之情形,從生長情形了解生長激素之添加有效提升向日葵植體之生長情形,但於水耕中同時添加生長激素及螯合劑EDTA之組別生長情形不佳,表示若於水體中無持續提供植體所需之養分,添加生長激素仍無法抵抗EDTA所帶來之毒性,而過氧化鈣於水體中釋放氧氣速率過快,於本研究中並無法應用於水耕試驗中。 而盆栽試驗探討不同濃度生長激素對於向日葵成長情形影響研究中,GA310-8M效果為最佳,其次為IAA10-8M,IAA10-12M則係最差,而由不同部位重金屬累積分析實驗來看,GA3作用部位為植體葉片部分,其作用將土壤中養分輸送至植體葉片,導致GA3組別TF值為2.329優於控制組之1.845表示經GA3生長激素之添加與螯合劑有同樣使TF值提高之效果,且較螯合劑友善於向日葵植體,而探討植生萃取(Phytoextraction)之能力研究中,一個月之實驗期內分為3階段各為10天,其每一階段土壤重金屬濃度皆有持續往下降之趨勢,控制組由原先之31.63 mg/kg降解至23.96 mg/kg,GA3組由32.09 mg/kg降解至23.04 mg/kg,EDTA組由30.65 mg/kg降解至25.93 mg/kg,可知在向日葵於花苞初形成至開花這階段為其生長最快速之成長期,在此階段因其快速往上輸送養分導致其植體快速累積重金屬,於此階段累積重金屬之速度也較直接種植已開花植體成效較高。本研究顯示添加生長激素對於植物萃取具提升之效益,且搭配花苞初形成之向日葵植體可帶來更佳之整治效果。 |
英文摘要 | Phytomediation is an environmentally friendly green rehabilitation technology that is often incorporated with an application to improve calcium peroxide and phytohormones required for the growth of agricultural plants with the expectation to improve the effectiveness of plant rehabilitation. This study mainly consists of two parts: (1) water culture experiment and (2) pot culture experiment. In the water culture experiment, we attempt to understand the influence of the addition of calcium peroxide, phytohormones (IAA and GA3) and a chelating agent on the growth of sunflower plants. From the growth, we are then able to know the effectiveness of the addition of phytohormones. However, in the pot culture experiment, when hormones and the chelating agent EDTA are introduced to different plant groups at the same time, if the nutrition in the water required by plants is not available, the addition of the hormone cannot negate the toxicity caused by EDTA. In terms of calcium peroxide, due to quick release of oxygen in water, this study fails to apply calcium peroxide to the water culture experiment. When the pot culture experiment is used to examine the influence of hormones at different concentration levels on the growth of sunflowers, GA3 10-8M is reported to have the optimal effectiveness, followed by IAA 10-8M; IAA 10-12M has the lowest effectiveness. According to an accumulation analysis of heavy metals at different levels, GA3 concentrates in leaves to transport nutrition in soil to leaves. This results in an excellent TF value of 2.329 of GA3 than 1.845 of the control group indicating that the addition of the hormone and chelating agent to GA3 increases the TF value and the chelating agent is beneficial to the sunflower plant. If we examine phytoextraction ability, the one-month experiment was divided into three stages for ten days each. The concentration level of heavy metals in the soil at each stage dropped continuously while that of the control group decreased from 31.63 mg/kg to 23.96 mg/kg, GA3 from 32.09 mg/kg to 23.04 mg/kg and EDTA from 30.65 mg/kg to 25.93 mg/kg indicating the quickest growth period of the sunflowers from the formation of the bud to blossom. During the stage, the quick upward transportation of nutrition results in quick accumulation of heavy metals; the accumulated speed of heavy metals is found higher than that of directly planted plants. This study shows an improvement in the effectiveness of the addition of hormones on plant extraction and when rehabilitation is incorporated with sunflowers with the beginning bud formation, better treatment effectiveness can be reached. |
本系統中英文摘要資訊取自各篇刊載內容。