ST. PAUL, Minn. (AP) -- A tight supply of seed corn is a growing concern for Minnesota farmers as spring planting approaches.

Minnesota Corn Growers Association President John Mages says a seed dealer recently told him that if a farmer had a thousand acres of seed corn to plant and he or she didn't have any ordered, it would be tough to get.

Syngenta has its seed headquarters in the Twin Cities. Corn genetics portfolio manager Eric Boersma says its production fell 15 to 25 percent short of expectations last summer. Boersma tells Minnesota Public Radio News (http://bit.ly/w3Iu0c ) that is limiting the company's ability to supply farmers preparing for spring.

And with current prices at about $6.20 per bushel, farmers are eager to plant Minnesota's $6.7 billion corn crop.

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Information from: Minnesota Public Radio News, http://www.mpr.org

Copyright 2012 The AP.