Dylan Mangel

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55 appearances 1 recordings 1 series first heard Mar 2025 last heard Mar 2025

Dylan Mangel’s voice in public audio — every appearance, attributed to the second.

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Farm4Profit Podcast · Soybean Cyst Nematode: The Silent Threat Stealing Your Yield · 3 Mar 2025 podcast

Yeah, and that's actually, it makes sense, right? Even if some of that nematode blew in there over the years from close by fields, it didn't really have anything to really increase numbers. You know, by nature of soil sampling, we're probing, we might miss the odd random nematode there, but that makes complete sense that that's a new field. And we actually run into that problem with research.

We go out and we try to find some areas that have no nematodes at this point. And we have to go to these new fields or corn on corn fields and work with that. And I'll also say your corn on corn field. with the history of that was your second lowest one that you had out of that group of fields as well.

And that's a big one. I think we've also seen soybean yields not keep up with the progression that corn yields have made in the last several years. But that could actually just be that soybean cyst nematode is building up in these fields across our country, and that's holding those yields back. So, yeah, it's probably a mix of things, but the cysts are actually definitely playing a role.

Yeah. Two of the biggest predictors that we've observed are sand content in that soil and soil pH percentage. Those increase the nematodes do a little bit better. So that can drive yield loss based on those levels. So the higher the pH, the more.

Well, I think in the short-term future, I think the most exciting thing is peaking the resistance source is making it into really good genetic backgrounds. It's been around for a while. When 88788 started to fail, peaking showed up on the scene.

But for breeding, it takes a good decade to get good changes, and now we're getting that resistance source and really good backgrounds, and we've just seen it doing really well in variety trials.

That's the short-term excitement, but even with that, PI-887-88 is still effective, and we need to keep rotating those, if nothing else, but to save peaking from breaking in the same way that PI-887-88 did. There's potential traits coming out for soybean cyst nematode in the future. But again, these things take time. So we might not see any of that for who knows how long.

But that could really change the system here. Maybe even in the longer term, breeding is still going on and we're identifying new resistant sources out there. But it takes so long to get those into a variety from a pipeline. But we'll see that in the long term. nematicides or nematode protectant seed treatments, there's going to continue to be new stuff available.

I hope those are always better than the previous generation. So I think that's going to continue to be a stopgap. But really the big thing now is just getting that awareness out there so we can maintain the resistance genes we have for as long as possible. This is the same problem in different fields. We've got limited tools to control these pests.

And we need to use them carefully so that they'll last as long as possible. Unlike herbicide resistant weeds or other problems, you can't blame this one on your neighbors. This one, everyone's got their own nematode population and they get to choose to manage it how they want. So think about that on your own farms and make those genes last as long as possible. Same thing with all these tools.

Use them properly so they last for you.

What I'll say is you'd be hard pressed to find a susceptible soybean. Because everything's got eight, eight, seven, eighty eight. And a few things have peaking. So we've still got a lot of 88788 in the germplasm. In certain maturity groups, you will find susceptibles still. So that would make sense. But where you guys are, I don't know if there's any susceptibles out there.

But definitely rotate between those two sources. And every now and then you might see a different source. Try different things. Keep those nematodes confused, basically, so they don't learn how to overcome it.

Anything's possible. So I think you're probably talking about what they might do with managing mosquito populations, right? Right. Yeah, that's definitely something we've all talked about. And it definitely could be neat in the future. It's tough, though, because it's hard to get them all. And even if some survive, you know, you could knock those populations down, but they grow so fast.

I've seen fields go from a thousand eggs to twenty five thousand in one year. So you really got to think about managing this at any level. And if we can't get them all, it's going to keep coming back and getting us.

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