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See What Good Yields
XR D92-74 offers high yield potential in zone. Great performance moving south and as an early hybrid. Performs well on all soil types and especially in high yield environments.
RS 28XT37 offers great plant style and standability. It provides big yields across broad acres. RS 28XT37 enjoys SDS environments.
XR D03-07 provides long ears with good kernel depth leads to impressive fall appearance. Good northern to southern adaptation. It has very good stalks and roots.
XR J07-42 offers XR D07-72 type performance with SmartStax technology. It has an impressive disease package and is widely adapted.
Our roots as a company began on a diverse family farm owned by Grandpa Sylvan and Grandma Pearl Rupp. With the help of their seven children, they produced corn, beans, popcorn and strawberries along with cattle and hogs, which was pretty typical of the traditional family farm in the mid-1900s.
Grandpa Sylvan’s interest in farming was clearly demonstrated in one of our family heirlooms he created during grade school—a book of detailed, hand-drawn sketches of plants he found on the farm. This interest led him to start the “Sylvan L. Rupp Seed Farm” in 1946, which began by selling hybrid corn seed, along with producing and marketing public soybean, wheat and oat varieties to area farmers.
Download a PDF version or request a printed version of our current Grain & Forage Catalog on the Catalogs page.