頁籤選單縮合
題 名 | 抗輪點病毒轉基因木瓜之生態影響評估--I. 土壤微生物族群數與有效性養分濃度的差異=Environmental Safety Assessment of Transgenic Virus Resistant Papaya--I. The Differences of Soil Microbial Population and Available Nutrients Concentration |
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作 者 | 簡宣裕; 石信德; 林俊義; 張明暉; 劉邦基; | 書刊名 | 臺灣農業研究 |
卷 期 | 57:1 2008.03[民97.03] |
頁 次 | 頁49-62 |
分類號 | 435.354 |
關鍵詞 | 轉基因木瓜; 木瓜抗輪點病毒; 土壤微生物族群數; 土壤有效性養分; Transgenic papaya; Papaya ring spot virus; PRSV; Soil microbial populations; Soil available nutrients; |
語 文 | 中文(Chinese) |
中文摘要 | 於農業試驗所轉基因作物專用田區網室內,將抗輪點病毒(PRSV)轉基因木瓜與非轉基因木瓜完全逢機種植於裝砂質壤土之圓桶內,進行盆栽試驗,每盆每月採取土壤樣品一次,測定土壤微生物族群數與有效性養分濃度。試驗結果顯示種植木瓜土壤的總細菌族群數在試驗進行第一個月至第二個月內增加,第二個月後則變動不大;總真菌族群數在試驗進行第一個月至第三個月內減少,第四個月後則變動不大;0-20 cm深土壤的總細菌、總真菌、游離固氮細菌、溶磷酸鈣細菌及蛋白分解細菌族群數以及有效性氮、磷及鉀濃度皆比20-40 cm深土壤者高。將試驗期間種植轉基因木瓜土壤的總細菌、總真菌、溶磷酸鈣細菌、游離固氮細菌及蛋白分解細菌族群數以及有效性氮、磷與鉀濃度、酸鹼度值及電導度值與種植非轉基因木瓜土壤者兩相比較,結果顯示兩者之間於統計上的差異是不顯著(t-test, p<0.05)。 |
英文摘要 | Transgenic (anti-papaya ring spot virus, Anti-PRSV) and non-transgenic papaya were planted randomly in pot soil within the net house of Agricultural Research Institute, COA. Soil was sampled once a month to determine soil microbial populations and available nutrient concentrations. Experimental results showed total bacterium populations of soils increased with time between first and second months and hardly changed from second to sixth months, and total fungi populations of soils decreased with time between first and third months and hardly changed from fourth to sixth months. 0-20 cm deep soils had higher microbial populations and available nutrient concentrations than those of 20-40 cm deep soils. The microbial populations including total bacterial, total fungi, free living nitrogen-fixing bacteria, phosphate-solubilizing bacteria and protease bacteria, and soil monitoring factors, such as available nitrogen, phosphate and potassium, pH and electrical conductivity were not significantly different between transgenic and non-transgenic papaya by t-test (p<0.05). |
本系統中英文摘要資訊取自各篇刊載內容。