The most common architectural structures in private orchards to larger commercial agricultural farms are trellises. The trellis, originally referred to as treillage, was popularized in France by gardeners looking for a solution to hold up their vining plants. Trellises became more common in public and residential settings when King Louis XIV had them placed in the French Garden of Versailles.
Trellis design varies widely and there really are no limits to how creative the structure can be. Going by definition, a trellis is simply a structure with open framework and intersecting pieces of wood, bamboo, and other materials to provide horizontal, as well as vertical, support. Trellises can be quite ornate and beautiful in private or public gardens or rather bare-boned and utilitarian for agricultural purposes.