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Recent press reports have suggested that the rural programme will become "darker and bigger" in the vein of BBC One's EastEnders as part of a change in style.
Yorke - executive producer on the Albert Square soap between 1999 and 2002 - is currently overseeing The Archers while editor Vanessa Whitburn is on leave.
Writing in a BBC blog post today (June 6), Yorke denied suggestions that he is plotting to "smash up Ambridge like some bloated property developer and turn it into Albert Square".
He commented: "It's a great story - but it isn't true. The source was a fairly innocuous interview with Radio Times about what's coming up on the show.
"A few months ago, Radio 4 had very kindly asked me if I'd consider looking after the programme for four months while its long standing editor Vanessa Whitburn was away. I agreed straight away - on one condition - that it stayed exactly as it was and that I didn't have to change anything.
"The Archers has been in my family for three generations. It's as perfect as long running drama gets - why would I want to change a hair? Apart from anything else, my mum would probably kill me."
"It is dark but in the very best traditions of a programme not scared to kill its leading lady in a barn fire, and it fits snugly I hope alongside everything Ambridge does best.
"Joe's ferrets, Lynda's hay-fever and cliffhangers built on whether Clarrie will finish her jubilee cake in time; all will remain and I hope live for as long as The Archers draws breath."
Yorke is also the controller of BBC drama production.
The Archers is the BBC's most popular radio programme on iPlayer.
