SANTA FE, N.M. (AP) — New Mexico proposed new pot production rules Tuesday intended to shore up supplies to its medical marijuana program without flooding the rapidly expanding market.

Under the proposal, the Department of Health would limit medical cannabis production to 1,750 mature plants for each licensed producer.

The prior 450-plant limit was struck down this year in response to a lawsuit by the state's largest seller and the mother of a child who is reliant on cannabis oil to treat a form of epilepsy.

A temporary production cap was set at 2,500 plants in March while new guidelines were...