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頁籤選單縮合
題名 | 植酸酵素基因轉殖之馬鈴薯植株生長和產量評估=Plant Growth and Yield Evaluation of Phytase Transgenic Potato |
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作者姓名(中文) | 陳烈夫; 曾文彬; 魏夢麗; 呂秀英; | 書刊名 | 臺灣農業研究 |
卷期 | 56:1 2007.03[民96.03] |
頁次 | 頁45-52 |
分類號 | 434.32 |
關鍵詞 | 馬鈴薯; 基因轉殖作物; 植酸酵素基因; 薯球產量; 出土率; Potato; Genetically modified crops; Phytase gene; Tuber yield; Emergence rate; |
語文 | 中文(Chinese) |
中文摘要 | 馬鈴薯(Solanum tuberosum L.)是世界上最重要的非禾穀類糧食作物。基因轉殖馬鈴薯2-1品系,是由克尼伯(Kennebec)品種轉殖植酸酵素基因(phytase gene)所產生的基因轉殖作物。根據在農業試驗所隔離試驗田進行的2004-2005年秋作試驗結果顯示,植酸酵素基因轉殖馬鈴薯在各生長期的主莖長、側枝數及地上部乾重等生長介量雖較克尼伯為低但未達統計上5%顯著水準差異;單株薯球總鮮重雖稍低但亦無顯著差異。植酸酵素基因轉殖馬鈴薯2-1品系可能不適合自行留種連續栽種,其第二年(2005年)連續栽種之產量表現,小於120 g的薯球數量明顯減少。轉殖馬鈴薯在第四週時的出土率,也顯著低於非轉殖馬鈴薯。 |
英文摘要 | Potato (Solanum tuberosum L.) is the most important noncereal food crop in the world. The transgenic potato plants, strain 2-1, were obtained by phytase-gene transformation into their original plants, cv. 'Kennebe'. Here, we carried out an isolated field experiment to compare the plant growth and yield performance of both phytase transgenic and non-transgenic potato plants at Agricultural Research Institute in the fall of 2004 and 2005. The results showed that the transgenic potato plants were slightly lower than non-transgenic potato plants in main stem length, lateral stem length, shoot dry matter and tuber fresh weight in three different growth periods, but the differences were not statistically significant (p>0.05). The transgenic potato plants harboring phytase gene might not favor continuous cultivation using harvested seed potatoes because of significant number reduction of tuber with less than 120 g in the second-year cropping (2005). Phytase transgenic potato showed a significantly lower emergence rate than non-transgenic potato at 4 weeks after planting. |
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