Tait quit as coach of the Premiership side earlier this week to be replaced by the high-profile pair of Gary Gold, the former South Africa assistant coach, and Mike Ford, the former England defence coach.
The Premiership outfit, who crossed for seven tries against Petrarca, got their season back on track and managed the all-important bonus-point victory at Kingston Park to keep the pressure on pool leaders Toulon.
The Falcons travel to France to face European rugby's new boys Lyon next weekend, knowing they have to win to stand any chance of making the knockout stages of the tournament.
The English side only had a try by full-back Tom Catterick, who latched onto a chip by Luke Fielden, to show for their first-half efforts and were only 7-0 ahead at the break against the Italian part-timers.
Centre James Fitzpatrick scored the home side's second try after the break to double their lead before fly-half Joel Hodgson's impressive support play saw him cross under the posts to make it 21-0.
Wing Ryan Shortland crossed for the Falcons' bonus-point try before scrum-half Jordi Pasqualin, prop Ashley Wells and Shortland again crossed to secure a vital home win.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The Barbarians are one of the top invitational rugby sides with a long history and classic rugby jersey.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Lions get ready for their matches with this green training jersey. It's what the players wear. Get in the Gear!
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Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The Lions are ready to get their Australia tour underway. They arrive in Perth on Monday.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.
