The Commissioner may intercept and inspect, while in transit or after arrival at destination, all plants, plant products, or other things or substances likely to carry plant pests being moved in this state or brought into this state from another state or territory of the United States or from any foreign country. If, upon inspection, such plants, plant products, or other things or substances are found to be infested or infected with an injurious plant pest or are believed to be likely to communicate or transmit same or are being transported in violation of any of the rules and regulations of the Commissioner, then such plants, plant products, or other things or substances may be treated if necessary and released, returned to the sender, or destroyed, their disposition to be determined under rules and regulations prescribed by the Commissioner.