Results from the Wiper primaries are fake and pure propaganda, Maendeleo Chap Chap leader Alfred Mutua has said.
Mutua said Kalonzo Musyoka's party has misled and lied to the public about the results that indicate Wavinya Ndeti won by 299,312 votes.
She defeated Bernard Kiala who only managed 4,663 votes.
Kiala had obtained a court order barring Wiper from conducting primaries.
Mutua has questioned the figures, saying Wiper was desperate.
"The Wiper figures are fake, fake and fake and pure propaganda," he said at a press briefing on Monday.
"The total votes cast for the county woman rep position in the same area were 89,541. How then could the total of one for the governor aspirants have an additional 200,000 voters?" he said.
"These additional numbers are cooked figures and ghost workers," the Machakos Governor added.
Mutua said there was hardly any massive voting during the primaries on Sunday.
"No queues were seen. It was a Sunday and many polling stations opened in the afternoon.