Fig. 3

Tissue-specific expression of OsSWEET14. a Detection of OsSWEET14 transcripts in different rice tissues by qRT-PCR. b–g GUS staining in different tissues of pOsSWEET14:GUS transgenic plants in the Zhonghua 11 background, including the stem (b), leaf sheath (c), leaf blade (d), spikelet (e), anther (f) and seedling (g). Scale bars, 250 μM (b–d) and 1 mm (e–g)