Figure 3
From: Distinct short-range ovule signals attract or repel Arabidopsis thaliana pollen tubes in vitro
Pollen tubes avoid targeted ovules. Two examples (a–h and i–p) of pollen tube avoidance by ovules approached by three pollen tubes (false colour: green, the tube that enters the micropyle (*); pink and red, tubes that arrive later and do not enter; entire set of original images are presented in Additional Files 3 and 4). Elapsed time in minutes; Scale bars, 100 μm.