"If we boycott Dutch products, they will have to close down their businesses," Mohamad told reporters. "If the world's 1.3 billion Muslims unite and say they won't buy, then it (the boycott) will be effective."
Muslim nations including Malaysia and Singapore have condemned the 17-minute film "Fitna," released on the Internet on Thursday, which links images of extremist attacks to verses from the Koran.
Although there were no mass disturbances in the Netherlands, in Utrecht two cars were set ablaze overnight, with a written slogan calling for the death of Wilders.
Late Friday the British website host pulled "Fitna" from its site www.liveleak.com, citing threats made to staff. It can still be seen on YouTube and other sites.
