Remove #Tomato side shoots, (indeterminate) to promote better plant and fruit growth.
Cordon tomatoes are grown as tall, single-stemmed plants - they need tall supports and the side-shoots should be removed regularly
The only time you don’t remove side shoots is on #determinate #bush type. Cordon indeterminate tomatoes are vigorous, fast-growing plants that get very tall and need suitably supports, both in a greenhouse and outdoors.
As they grow vertically, they take up very little ground space. They need regular maintenance - watering, feeding, tying to supports and removing side-shoots