Ep. 216 Chemical Trespass in Illinois: How Herbicides Are Impacting Native Trees and Ecosystems | #GoodGrowing

In this episode of the Good Growing Podcast, hosts Chris Enroth and Emily Swihart are joined by horticulture educator Ryan Pankau to unpack a 2024 study from the Illinois Natural History Survey. The topic? Chemical trespass—how herbicides and other pesticides are drifting into Illinois’ natural areas and impacting native ecosystems, impacting a keystone group of trees - oaks.Watch us on YouTube: https://youtu.be/44Ue4HbGS7YSkip to what you want to know: 00:33:12 Hello Emily!01:35:06 Welcome, Ryan Pankau!02:18:18 What report are we talking about? Understanding the extent and consequences of chemical trespass for Illinois ecosystems02:57:12 How has the landscape of Illinois changed historically to where we are today?10:16:15 What is chemical trespass?12:58:18 What organizations conducted this study?16:49:15 What type of data was collected? What species seemed to be most impacted?19:14:23 What is the ecological impact of pesticide trespass in our forests?24:30:24 Does this just impact trees on the edges of fields or throughout a forest?25:20:02 What did the data show in the collection samples?27:31:09 What was the percentage of chemical trespass observed?29:56:00 Can we solely rely on visual assessment to determine levels of herbicide trespass?33:32:06 What they didn't find much of - dicamba and neonics34:46:00 What does a tree that has been impacted by herbicide drift look like?40:32:17 The importance of the lab tests in this study.41:02:16 What do you do when your tree is impacted by herbicide trespass?48:50:01 Can you prevent this damage or is there a way to protect trees and gardens from being damaged?56:51:03 While there seemed to be a big focus on herbicide trespass, the study found a lot of fungicide in the later season samples. What is the impact of fungicide?1:01:12:15 Our key takeaways from this reportContact us! Chris Enroth: [email protected] Swihart [email protected] Johnson: [email protected] Check out the Good Growing Blog: https://go.illinois.edu/goodgrowingSubscribe to the weekly Good Growing email: https://go.illinois.edu/goodgrowingsubscribe Any products or companies mentioned during the podcast are in no way a promotion or endorsement of these products or companies.All photos by Chris EnrothBarnyard Bash: freesfx.co.uk --You can find us on most podcast platforms.  iTunes - https://podcasts.apple.com/us/podcast/good-growing/id1446630377     Tunein - https://tunein.com/podcasts/Gardening/Good-Growing-p1187964/  Spotify - https://open.spotify.com/show/202u3siWExE1tTqrVgtmCR    Vurbl - https://vurbl.com/station/good-growing-4pljnNlUtyG/    Listen notes - https://www.listennotes.com/podcasts/good-growing-chris-enroth-cHLPMWpvEOG/    Ivy - https://ivy.fm/podcast/good-growing-167902    Castbox - https://castbox.fm/channel/Good-Growing-id4302614?country=us