Michael Clarke was appointed Australia's Test and one-day captain on Wednesday, a day after Ricky Ponting bowed to pressure and quit after the country's World Cup exit.

Long seen as heir-apparent, the stylish batsman, who turns 30 on Saturday, will jump into the role immediately, leaving this week for a tour of Bangladesh.

Ponting will also be on the plane, taking orders from his former deputy, after being named in the squad to play three one-dayers.

Shane Watson will be Clarke's vice-captain with Cameron White remaining the Twenty20 skipper.

"First of all can I say what an honour it is to be named captain and also a huge surprise to see Ricky stand down," Clarke said at a press conference.

"I was very much unaware of where he was at and didn't know he was going to stand down. It was a huge surprise to me.

"I know Ricky will allow me to do my job to the best of my ability," he added. "We want to be the best team in all forms and that is going to take time."

His Test reign will start in August when he skippers a tour of Sri Lanka.

Clarke, though, is not popular with Australian fans, and polls published Wednesday showed how cool the public is to him.

According to the Sydney Morning Herald, only 26 percent of 21,000 respondents in an online poll favoured him to be the new captain.

In the Sydney Daily Telegraph, a survey of 8,500 readers placed him a distant third behind Shane Watson and Michael Hussey.

Ponting insisted Clarke was the right man for the job, and vowed to give him all the support he needed.

"He has done nothing wrong when has stood in for me over the past few years and his record in T20 cricket speaks for itself," he said in a column for The Australian newspaper.

"I will be there in the background for him if he needs me, but from today the Test and one-day teams will be his and I will be one of many players who follow him onto cricket grounds all over the world."

Asked how he will feel taking orders from a man who used to be his deputy, Ponting replied: "I've taken orders most of my life, I'm pretty used to it."

Clarke was also endorsed by cricket legend Richie Benaud.

"I'd have Clarke, he's vice-captain, he's done well the times he's been captain," Benaud told the Nine Network.

Clarke made his professional debut for New South Wales as an 18-year-old in the 1999-2000 Australian domestic season.

He made the jump to the national one-day team in January 2003 against England at Adelaide and was chosen to make his Test debut against India at Bangalore in October 2004.

He thumped 151, helping Australia to victory, invoking comparisons to past Australian greats Doug Walters and Mark Waugh.

Since then, he has gone on to play 69 Tests, scoring 4,742 runs, including 14 centuries, with an average of 46.49. A slow left-arm orthodox bowler, Clarke has captured 21 wickets.
In the one-day game, he has collected 188 caps and 5,928 runs at an average of 43.58, with 52 wickets to his name.

A part-time underwear model and a regular in the social pages, Clarke was formerly engaged to model Lara Bingle and controversially returned to Sydney during Australia's tour of New Zealand in March 2010 for "personal reasons".

It followed Bingle deciding to sue her former lover Brendan Fevola for disseminating naked pictures of her, which ended up in a women's magazine.

Clarke later called off his wedding plans.