The Tottenham star is set to be targeted by Gunners fans in his first Spurs outing against his old club.
But the Arsenal boss said: "That is what you don't want. You want people to support the team in a positive way, not all the hate.
"A football game is a fantastic day that everyone has to enjoy and with a positive atmosphere it is even more fantastic.
"So to our fans, let's get behind our team and forget about the rest.
"Adebayor is a great player. I really don't know what went wrong.
"Of course I rate him. He can be a threat on Sunday."