Season 2, Episode 7
Why We Don’t Have the Perfect Seed: An Inside Look At CRISPR and Seed Genetics
Gene editing and CRISPR have been in the headlines for a while, and farmers in the shop and the field are asking us what this means for their crops. If we can edit genes, why can’t we develop a corn hybrid that resists every disease and yields like a racehorse?
In this episode, Max is joined by seed experts and familiar voices Alex Renk, Bruce Nagel, and Jeff Renk. Together, they walk through corn genetics, how gene editing differs from GMO work, and where AI comes into play.
As they discuss, the honest answer to the question is simple: There’s no perfect corn, because there’s no average farm. The traits farmers care about most come from clusters of genes, not one single switch. This is why field testing and R&D are so crucial to the bigger story, because corn yield has never come from one breakthrough. It comes from genetics, equipment, soil health, and management all improving a little at a time.
There’s no such thing as a perfect corn because everybody’s different. Despite everything that has evolved, it’s like looking into space...we still don’t know much.
- Max Kicks Off with Curiosity: Max sets the stage by voicing the common farmer’s frustration: “Why don’t we have the perfect corn and what goes into it?”
- Alex on Variety Selection: Alex Renk, who handles soybean and alfalfa variety selection, jumps in with enthusiasm, explaining how picking the right genetics is crucial—and more complex than it seems.
- Bruce’s Reality Check: Bruce Nagel, a veteran corn breeder, gives a candid answer: “I don’t think you’re going to see top-end yield. It’s going to just continue; not because of just corn genetics, but you also have the equipment, the precision planters, the combines, the soil microbes that are being explored, biologicals, and farming practices.”
- Jeff’s Big Picture: Jeff Renk, now director of research, reflects on his journey from corn breeder to research leader, echoing Bruce’s views and adding, “There’s no such thing as a perfect corn because everybody’s different. Despite everything that has evolved, it’s like looking into space. We know a lot more than we used to. We still don’t know much.”
- Playful Banter: The group’s chemistry and collective knowledge shines through in moments when they give personal analogies. Like when Alex talks about his love of dogs and breeds as he explains CRISPR in a relatable way.
- Why Perfection is So Elusive: Together, they emphasize that breeding is about trade-offs—boosting one trait often means sacrificing another. The group agrees: the pursuit of perfect corn is never-ending, but each year brings meaningful improvement.
This episode is both informative and entertaining, offering an insider’s look at the ongoing quest for the perfect crop, and why the journey is just as important as the destination. You can find us on one of our social media channels: FB, Insta, X or LinkedIn. And, listen to the full episode on whichever streaming platform you prefer.