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The Environmental Effects of Genetically Modified Crops Resistant to Insects Neotropical Entomology
FONTES,ELIANA M.G.; PIRES,CARMEN S.S.; SUJII,EDISON R.; PANIZZI,ANTÔNIO R..
Transgenic crops are currently being cultivated on a commercial scale in many countries. The area devoted to transgenic pest resistant varieties worldwide reached 13 million hectares in 2001. These varieties offer valuable benefits but also pose potential risks. Assessments of their impact on the environment are conducted before they are approved for commercial use, as required by the regulatory biosafety frameworks. In this review, we discuss the potential ecological consequences of the commercial use in agriculture of genetically modified insect resistant crops. We also discuss the impacts caused by the change in agricultural practices, and attempt to identify gaps and possible opportunities for research, considering this new technological tool. We based...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Transgenic crop; Bt gene; Non-target organism; Gene flow; Biosafety.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2002000400001
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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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