Bedford responded with an unconverted try from Matthew Cook who scored near the right corner flag, but Davies made it 9-5 at half-time with his third penalty goal.
Plymouth striker Corazzin could have had a hat-trick by the interval but he put two free headers wide and blasted another clear shot towards the corner flag when the goal was much nearer.
A TRY two minutes from time by No 8 Tim Wasdell saw Rhyl go to the top of Division Five North but they had an injury-time scare when wing Iwan Gwyn dived over in the corner only for the referee to rule that he had hit the corner flag before grounding the ball.
Spink headed in Brown's free kick from near the corner flag for the opener and Evans blasted home from 20 yards with defenders nowhere in sight just after the restart.
But, to the spectators's amazement, the referee continued play - even though the tree struck the corner flag as it collapsed to the ground at about 11.30am.