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Figure 3 | BMC Biotechnology

Figure 3

From: Developing a method for customized induction of flowering

Figure 3

Ethanol vapour treatments induce flowering in amiR-FT plants carrying an alcohol-inducible FTa1 gene expression cassette. AmiR-FT Arabidopsis transgenic plants were transformed with an alc::FTa1 gene expression construct. Ten day-old Alc::FTa1 T3 generation transformants homozygous for single locus insertions (TG1 to TG4) or control plants, in LD conditions, were either exposed (+ETOH), or not (-ETOH), to ethanol vapour for 48 h. Ethanol treatment was repeated 5 days later at day 17, for 24 h. n = 14-16. a) Graph showing average total leaf number at flowering. Flowering time was measured by scoring the total number of leaves (rosette + cauline) at flowering. The data is presented as mean +/-SE. b) Graph showing days to flowering. The days to flowering after sowing were scored. The data is presented as mean +/-SE. c) Photographs of 39 day-old TG1 transgenic and control plants either exposed (+ETOH), or not (-ETOH), to ethanol vapour.

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