A group of Minnesota apple growers have filed suit against the University of Minnesota and Pepin Heights Orchard Inc., over the managed marketing of the SweeTango apple variety.

The growers content that the exclusive licensing agreement between the university and the Lake City, Minn.-based grower violates public policy, state anti-trust laws and the Minnesota state constitution.

Growers who sign on to produce SweeTango agree to sell it to Minnesota consumers at farm stands, farmers markets or similar outlets, or thorugh direct-store deliveries.

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