Unless the context otherwise requires, the definitions in this article govern the construction of this division.

“Appliance” means any box, tray, container, ladder, tent, vehicle, implement, or any other article which is, or may be, used in connection with the growing, harvesting, handling, or transportation of any agricultural commodity.

“Crop seed” means the seed or seedlike fruit of grain, beans, flax, beets, onions, or any other crop, whether or not it is intended for planting purposes.

“Noxious weed” means any species of plant that is, or is liable to be, troublesome, aggressive, intrusive, detrimental, or destructive to agriculture, silviculture, or important native species, and difficult to control or eradicate, which the director, by regulation, designates to be a noxious weed. In determining whether or not a species shall be designated a noxious weed for the purposes of protecting silviculture or important native plant species, the director shall not make that designation if the designation will be detrimental to agriculture.

“Nursery stock” means any plant for planting, propagation, or ornamentation.

“Pest” means any of the following things that is, or is liable to be, dangerous or detrimental to the agricultural industry of the state:

“Plant” includes any part of a plant, tree, plant product, shrub, vine, fruit, vegetable, seed, bulb, stolon, tuber, corm, pip, cutting, scion, bud, graft, or fruit pit.

“Shipment” means any article or thing which is, may be, or has been transported from one place to another place.

“Horticultural product” means those products as stated in Group Number 18 of the Standard Industrial Classification Manual which are grown under cover or outdoors, including bulbs, flowers, shrubbery, florist greens, fruit stock, floral products, nursery stock, ornamental plants, potted plants, roses, seed, sod, fruits, food crops grown in greenhouses, vegetables, and horticultural specialties not otherwise specified.

Agricultural or farm products include any horticultural product.

Unless otherwise provided in this code, for the purposes of pest management, “crop” means a plant or animal, or a product derived from a plant or animal, that can be grown and harvested for profit or for the subsistence of humans or animals.

Unless otherwise provided in this code, for the purposes of pest management, “forage” means food for domestic or other wild animals that is taken by browsing or grazing, or food that wild or domestic animals take for themselves.