The 21-year-old hit 73 runs in the first innings followed by 20 not out on Monday as Alastair Cook’s men drew in Nagpur, which was sufficient to seal a series win.
Root has been included in England’s Twenty20 squad for this week’s two internationals against India, and Flower praised the coaches who have helped in the youngster’s development.
“Joe did a superbly well in the final Test,” said Flower.
“He handled himself really well for his 73 runs in the first innings and we saw a little snippet of it in the second innings.
“He showed really good method and good understanding of how to play spin. It’s a testament to him and testament to the development that he’s done with Yorkshire and up through the academy system.
“Our performance programme at Loughborough does some excellent work.
“Dave Parsons, Graham Thorpe, Kevin Shine, Peter Such, Bruce French are some of the coaches who work with these young players and throw their heart and soul into helping these players fulfil their dreams.
“Joe Root is an example of that. All those guys should feel very proud of the way England have performed here because they are all part of it.”
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