Tenn. Code Ann. § 43-6-404

The commissioner may enter cotton fields and other premises in order to carry out such activities, including, but not limited to, treatment with pesticides, and monitoring as may be necessary to carry out this part. The commissioner may inspect any fields or premises in this state and any property located in or on any fields or premises in this state for the purpose of determining whether the property is infested. Such inspection and other activities may be conducted at any reasonable hours falling between sunrise and sunset.