Hybrid wheat has long been one of agriculture’s biggest “what ifs.”

Wiersma breaks down the science in plain language, from hybrid vigor and wheat genetics to Corteva’s non-GMO nuclear male sterility system and color-sorting process for seed production. 

Timestamped rundown

00:00–01:06 — Aaron Harries opens the episode, introduces Wheat’s On Your Mind, and gives Dan Wiersma’s background from UW–Madison to Corteva’s global wheat leadership role.
01:15–02:58 — Wiersma explains his job: connecting science, breeding, seed production, marketing, and farmer trust around hybrid wheat.
03:16–04:22 — He lays out the commercial target: a small-scale hard red winter wheat launch in fall 2027, with Kansas as the epicenter.
04:40–05:41 — Wiersma frames hybrid vigor as the “holy grail” of breeding and explains why wheat has remained overwhelmingly non-hybrid.
05:42–07:39 — He dives into wheat biology, including its hexaploid genome, self-pollination, and why older sterility systems struggled economically. He says the 2018 wheat genome publication helped unlock a new approach.
07:40–09:09 — This is the most technical part of the episode: Wiersma explains Corteva’s nuclear male sterility system, blue seed marker, and color sorting process used to produce hybrid seed.
09:16–09:41 — Aaron zeroes in on the core problem: cost. Wiersma agrees and says wheat seed production also has to stay regionally close to where it will be planted.
09:50–11:19 — The headline performance segment: Wiersma says advanced products show about a 10 percent yield bump, with bigger advantages in tougher, water-limited environments.
11:25–12:28 — He outlines the path to launch: parent seed is in the ground, hybrid seed production fields follow, and commercial sale is planned for fall 2027.
12:28–13:22 — Wiersma says the initial rollout will move through the Pioneer brand and dealer network, backed by agronomic support.
13:22–15:03 — Pricing discussion: hybrid wheat will cost more to produce, but Corteva says pricing will be built around farmer value and long-term adoption.
15:03–16:03 — Wiersma shares early farmer reaction: strong interest, but also healthy skepticism about cost, grain quality, and whether the system pencils out.
16:03–16:58 — Looking backward, he reflects on how far wheat management has come through fungicides, plant growth regulators, fertility management, and yield-focused tools.
16:58–17:56 — Looking ahead, he says hybrid wheat is the main leap right now, but future opportunities include disease resistance, nitrogen efficiency, water use efficiency, and potentially stronger grain quality.
17:56–18:35 — Wiersma confirms public breeding programs and universities remain important collaborators in wheat germplasm and science.
18:35–19:32 — Farmers’ practical question gets answered: Corteva does not expect growers to need major management changes to plant hybrid wheat, though studies continue on seeding rates and fertility.
19:33–20:09 — Aaron asks about current resources. Wiersma says there is nothing substantial in print yet, but training, education, and marketing materials are being developed.
20:09–20:41 — The episode closes with a teaser to revisit the story as rollout gets closer. 

Kansas Wheat
WheatsOnYorMind.com