Below is a YouTube video from Dr. Nick Seiter from the University of Illinois that does a good job of reviewing this biology and management of Dectes stem borer in soybeans. Dr. Seiter and I are on the same page, and this video compliments my recent article about Dectes stem borer.
Could we see more insect pressure in 2020 following this mild winter? And what species should worry us? Dr. Scott Stewart explains in this podcast. Listen.
Over the years and several times in the last month, I’ve had folks tell me how bad Dectes stem borer hurt their soybean yields. Almost without exception, they describe low yielding spots in their fields and/or weak, dying, and dead plants … and they found a lot of Dectes larvae in the stems. They are convinced the two are related and look at me like I’m crazy when I suggest they are not. Here’s what I know. Don’t forget to look at the photos included at the bottom of this article!
What do we know about the biology and pest status of the Dectes stem borer? Continue reading
The 2020 version of PB 1768, Insect Management Recommendations for Field Crops (and pasture), is now available. The guide has gone through substantial revision this year and closely matches the content on the mobile friendly Disease and Insect Field Guides at https://guide.utcrops.com/. Hard copies will be available soon and distributed through county extension offices and at various educational meetings.
Below are the presentations and handout given at the recent public forum on the essentials of growing hemp held at the West TN Research and Education Center on Jan. 14, 2020. Thanks to the Madison County UT Extension agent, Jake Mallard, and the West TN Chapter of the TN Hemp Industries Association for sponsoring the forum.
Diseases, Insects, & Yields – What we saw in 2019 – presentation
Hemp Economics and Marketing – presentation
Cotton – Even for our latest cotton, given an average frost date of around October 15, this is the last week you can likely justify insecticide applications to cotton. Based on average historical temperatures, the last effective bloom date was two week ago. A late flurry of bollworm moth activity has forced some sprays this week, and most folks are electing to Continue reading