a) Growth of pollen tube towards the ovule. Sperm cells exist at the tip of the tube. Pollen tube contents (PTC) are the liquid part of the pollen tube, shown in yellow.

The anthocyanin supports pollen germination and growth by acting as an antioxidant ... style transmission cells and the pollen tubes. We think that this mechanism is probably most important ...

CSLD enzymes and the microfibrils they produce are also essential for pollen tube development and root hair growth in plants. Pollen tubes are necessary for reproduction, and root hairs absorb ...