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基因轉殖植物對目標與非目標生物之影響與風險評估 Taiwan Agricultural Research Institute
王清玲; 石信德; 林鳳琪; 林俊義; C.L. Wang; H.D. Shih; F.C. Lin; C.Y. Lin.
[[abstract]]風險評估的結果,是決定某一基因轉殖植物得否自試驗室釋出之重要依據,藉由評估的過程,可瞭解所有可能發生之損害與發生機率以及後果,並且做好釋出後之損害預防措施,降低實際的環境風險。對目標與非目標生物的風險分析包括有利與有害雙方面之考慮,含有毒或抗生物質的基轉植物與不含此類毒物的基轉植物對環境中生物的影響不同,需依受評估個案的特性加以檢討。本文綜合探討於分析環境安全風險時,對於目標與非目標生物可能產生影響之一些評估內容。抗病基轉植物之大面積栽植,可能反而產生新病原或病害;或導致次要病害發生;或是損害有益微生物。抗蟲植物之栽植也可能使目標害蟲產生抗性;使原先次要害蟲大發生;或是不利於天敵、土壤昆蟲、授粉昆蟲、甚或保育類昆蟲等有益昆蟲之生存。病原與昆蟲是生物多樣性之重要組成份,基轉植物對於生物多樣性之影響,亦普遍受到國際間重視。 The decision of whether to release a transgenic plant from laboratory to open field is closely associated with the results of environmental impact assessment. By realizing the risks and the consequences through the process of the assessment, harm to environment can be avoided by developing approaches to prevent or manage these risks. The possible impacts from transgenic plants with or...
Palavras-chave: 基因轉殖植物; 目標生物; 非目標生物; 風險評估 基因轉殖植物之生物安全評估與檢測專刊 transgenic plant; Target organism; Non-target organism; Environmental impact assessment [[classification]]5.
Ano: 2005
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秈稻雜種品系一年一作區域適應性試驗 Taiwan Agricultural Research Institute
黃真生; 陳正昌; 林芳洲; 張威添; 郭金條; 莊商路; 邱運全; 蘇丙鐸; 胡宗仁; 劉瑋婷; 陳楚山; 呂文通; C.S. Huang; C.C. Chen; F.C. Lin; H.T. Chang; C.T. Kuo; S.L. Chuang; U.C. Chiu; P.I. Su; C.J. Hu; U.T. Liu; C.S. Chen; U.T. Lu.
[[abstract]]為配合一年一期稻作,改變本省作物輸作制度之需,於氣溫較高的夏季,在全省八個地點,測驗8個秈稻雜種品系中間作之稻穀產量及適應性。參試品系在各地之稻穀產量差異極大。臺秈雜育5、6、10號等三品系的全省平均產量較高,比對照品種臺中秈10號增產8.2~3.2%。在北部二處臺秈雜育10號產量達6.8~6.9t/ha,增產幅度有16~28%,顯示上述構想在北部是可行的。臺秈雜育1、7、11號等三品系因具有感光性,受夏季長日影響而零星抽穗,產量偏低;但在嘉義(鹿草)因蟲害嚴重改採宿根栽培,延至11月上旬收擭,其產量奇高,最高達8.5t/ha,遠高於對照品種。然在嘉義分所另一處(溪口)卻因病蟲害嚴重而致廢耕。此等結果顯示單交雜種品系的特殊組合力因環境而有很大之差異,在適當環境下有可能發揮高產之潛力。如何利用其特殊組合力或感光性使雜種優勢能發揮其最高之潛力,將是下一步的試驗目的。 To explore a single rice crop a year to fit into the rotational system with other crops, 8 Indica hybrid rice strains were tested for their yield potentials and adaptabilities at 8 locations in between the first and second crop seasons when temperatures were high. Their grain yields varied greatiy with the entries and locations. In an overall average, Tainung Sen...
Palavras-chave: [[classification]]6.
Ano: 1988
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