In this work, an open-field trial was conducted for the two transgenic zeaxanthin-rich potato clones, their conventional counterpart cultivar Baltica and the four other conventional potato cultivars from 2005 to 2007 in two fields located in Bavaria, Germany. Additionally, a two-year greenhouse experiment was also carried out with the two transgenic potato clones and Baltica in 2005 and 2006 as control. Multiple comparison analysis at agronomic, biochemical and transcriptional levels was applied to different tissues at different growth stages of the two transgenic potato clones and the conventional cultivars grown under greenhouse and open-field conditions. Results showed that the inserted zep gene successfully lead tuber-specific zeaxanthin accumulation without significant effects on the general morphology, agronomic performance and overall gene expression pattern of the two zeaxanthin-rich transgenic potato clones under both greenhouse and open-field conditions.
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In this work, an open-field trial was conducted for the two transgenic zeaxanthin-rich potato clones, their conventional counterpart cultivar Baltica and the four other conventional potato cultivars from 2005 to 2007 in two fields located in Bavaria, Germany. Additionally, a two-year greenhouse experiment was also carried out with the two transgenic potato clones and Baltica in 2005 and 2006 as control. Multiple comparison analysis at agronomic, biochemical and transcriptional levels was applied...
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