The association says Mr Verschoot has played in some 15,000 of the 30,000 ceremonies held since the event started in 1928.
He has also performed at Anzac and New Zealand memorial services. He blew his last tribute at the weekend.
The elderly bugler told a Belgium website that the time had come for him to retire. He said he had found the freezing winter evenings hard-going, and his wife Suzanne was pleased he had decided to quit.
Asked about his musical style, Mr Verschoot said: " A lot of people think that to play the bugle you simply put it up to your lips and the Last Post comes out. No, no, no."
The association said the only time Mr Verschoot was late to a service occurred when he was stuck on the wrong side of Leper's level crossing while a freight train rumbled past.
His wife and daughters were present when Mr Verschoot, as chief bugler, sounded the salute to the fallen a final time and handed his instrument to his successor.