What is the correct order of the four classes of seed according to the Kansas Crop Improvement Association?

The correct order of the four classes of seed, according to the Kansas Crop Improvement Association, is indeed breeders, foundation, registered, and certified. This classification system is primarily designed to ensure the quality and integrity of seed produced for agricultural use.

Breeder seeds are the original seeds developed by plant breeders, focusing on specific traits or improvements. Foundation seeds are derived from breeder seeds and serve as a basis for the next stage of propagation. Registered seeds are produced from foundation seeds and are intended for further multiplication, while certified seeds are the last stage and are produced under strict guidelines to ensure they meet quality standards for sale to farmers.

This structured hierarchy ensures that each class of seed maintains genetic purity and quality, making it crucial for farmers to understand when selecting seed for cultivation. The other listed sequences do not adhere to the proper relationships and definitions of each class, thereby emphasizing the importance of this correct order in classifying seed types.