How to Prune strawberry 'Malling Centenary'?
Remove excess runners

strawberry 'Malling Centenary' · Fragaria × ananassa 'Malling Centenary'
Grow in fertile, moist but well-drained soil in full sun. Plant in single or double rows with 30-45cm between plants and 75cm between rows. Plant through black polythene or apply straw to keep strawberries clean. Can be successfully grown in a container, including growbags. See also strawberry cultivation
Remove excess runners