Q.Tomato trusses too heavy for the branch to support
my tomatoes are grown in the green house variety Shirley. The trusses are breaking the branches they are growing on.
Q should I reduce the trusses or what's the best way of supporting the branches?

Certified GKH Gardening Expert
The breaking of the branches won't really hurt them at all, but you may want to find a better way to support them. This article will offer information on the subject: https://www.gardeningknowhow.com/edible/vegetables/tomato/hanging-support-for-tomatoes.htm