Fig. 1 | Scientific Reports

Fig. 1

From: Characterisation of the Gillenia S-locus provides insight into evolution of the nonself-recognition self-incompatibility system in apple

Fig. 1

Self- and cross-(in)compatibility tested with pollen tube growth assays. Compound fluorescence images showing development of pollen tubes at 24 h after self- or cross-pollination of or between Gillenia individuals (‘G1’, ‘G2’, and ‘G3’). Pollen tube growth following self- (a,e,i) or reciprocal cross- pollination (b-d,f-h). Compatible reciprocal crosses were observed in a previous study31 between ‘G2’ and ‘G1’ (b,d) and ‘G2’ and ‘G3’ (f,h), while incompatible crosses were observed in a previous study in reciprocal crosses between ‘G1’ and ‘G3’ (c,g). Germinated pollen and pollen tubes are observed as green fluorescence. Scale bar, 500 μm. Analysis also performed at 48 h and showed reduced signal in all crosses (data not shown). Table shows summary of analysis from three replicates each with five styles; +, compatible; - incompatible.

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