1. “Commission” means the Oklahoma Wheat Commission;

2. “Wheat producer” means anyone personally engaged in growing wheat, who markets wheat in commercial quantities in Oklahoma, and includes both the owner and tenant;

3. “Commercial quantities” means and includes all bushels of wheat produced for market in any calendar year by a producer;

4. “First purchaser” means any person, public or private corporation, or partnership buying, accepting for shipment within the state or otherwise acquiring the property in or to wheat from a producer, and includes a mortgagee, pledgee, lienor, or other person, public or private, having a claim against the producer, if the actual or constructive possession of such wheat is taken as part payment or in satisfaction of such mortgage, pledge, lien or claim; and

5. “Commercial channels” means the sale of wheat for any use, when sold to any commercial buyer, dealer, processor, cooperative, or to any person, public or private, who resells any wheat or product produced from wheat.