His rise continued with a first Test hundred the following year against New Zealand at his Headingley home ground, before a maiden Ashes century at Lord’s two months later.There was a dip in Australia, where Root has still to score a Test century, as he lost form during England’s 2013/14 Ashes whitewash.Root, dropped for the fifth Test in Sydney, responded in style back on home soil with a double hundred against Sri Lanka at Lord’s followed by two centuries against India.Runs have flowed consistently for the Yorkshireman despite concerns at times over his conversion rate — the number of…