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

from Good Growing · host oak tree decline, native trees, forest health, pesticide impact, fungicide effects, mycorrhizae

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

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