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Tony Watt's goal were his third and fourth for St Johnstone

Extra-time goals by Drey Wright, Tony Watt and Callum Hendry put St Johnstone into the League Cup's last eight.

Watt gave the Premiership side the lead against the run of play with his third goal of the term. But Queens equalised when Lyndon Dykes volleyed in.

The score stayed level until the 96th minute, when Wright rammed in a Watt cutback, before Watt himself sealed the win with his second of the day.

Stephen Dobbie scored a consolation penalty, before Hendry ensured the win.

Goals apart not leagues apart

Queen of the South showed great creativity and intent going forward from the start, but it was St Johnstone's experience and clinical finishing that separated the sides.

It was a tale of two strikers throughout the afternoon. Dobbie led the charge for the Queens and Watt came good for the Perth side when they most needed goals.

A lethargic St Johnstone had to rely on Zander Clark to keep them in it until Watt opened the scoring 27 minutes in.

Queen of the South continued to look the more dangerous side in the first half, though, and Dykes stunning volley from outside the box was a richly-deserved equaliser.

Neither side shone in a lacklustre second half, but Wright hit a post for St Johnstone and Queens' Andy Stirling struck the bar towards the end of the 90 minutes.

The Premiership side grabbed extra time by the scruff of the neck with Wright given them the lead just a few minutes in and Watt added his second just before half time of extra time.

Queens continued to press, though, and managed to haul themselves back into the contest with a penalty won and scored by standout Dobbie.

The Dumfries side continued to push for an equaliser - and penalties - but Hendry made it four in the last minute for St Johnstone.

'Queens looked the more dangerous' - analysis

Tommy Wright will be thrilled his side are through to the next round, especially as Queen of the South looked the more dangerous throughout the 90 minutes

Queens Gary Naysmith can take many positives from the match after going toe-to-toe with a Premiership team, but if that game was reflective of St Johnstone's playmaking ability, they might struggle against top-flight teams.

'We controlled the game' - reaction

St Johnstone manager Tommy Wright: "I'm pleased to get through. We knew it was going to be difficult, but I think from the second half on we controlled the game."

Queen of the South manager Gary Naysmith: "I'm really happy with the players, but disappointed to lose the game. I think over 90 minutes we were even as good as St Johnstone, if not a wee bit better."