Soybean Pest Podcast

Latest Episodes:

Soybean aphid podcast is back on the air for 2010! Jun 16, 2010

Show notes

Drs. Matt O'Neal and Erin Hodgson are back with their weekly podcast regarding the soybean aphid and other insect pests of soybeans. In this brief (~3min) episode we talk about the state of soybean aphids in Iowa and the midwest with a quick review of efforts to monitor aphid migration to soybeans. Please email us with your questions (oneal@iastate.edu or ewh@iastate.edu)

A discussion with Mary Gardiner about lady beetles Sep 18, 2009

Show notes

Dr. Mary Gardiner, assistant professor at the Ohio State University, visited ISU and gave a seminar about her research on the ladybeetles. Ladybeetles can play a positive role by feeding on pest like the soybean aphid. Mary's research is focused on the exotic multi-colored asian ladybeetle. This species is a voracious predator of soybean aphids, but is also a pest in our homes and to grape growers. Mary is documenting the role landscape plays in the establishment of this species as part of her Buckeye Lady Beetle Blitz. To learn more about Mary's work visit http://ladybeetles.osu.edu/default.asp

Corn Aphids: is this the next new pest for Iowa farmers? Sep 11, 2009

Show notes

Matt O'Neal talks with Amy Asmus of Asmus Farm Supply to discuss outbreaks of aphids in cornfields around north-central Iowa. The two discuss what species of aphids are in corn and what impact they may have. Be prepared for more questions than answers as the scientist and crop consultant compare notes about this problem. For a more complete description of the aphids see Dr. Erin Hodgson's article in the Integrated Crop Management Newsletter.

An aphid is an aphid is an aphid Aug 25, 2009

Show notes

Its mid-August and soybean aphids are starting to look white and small (yes, even smaller). Do they count? Are aphid populations still increasing? Why? Erin and Matt answer these questions and more.
Have a question about aphids or other insect pests?

Attack of the winged aphids Aug 17, 2009

Show notes

Erin and Matt discuss the recent increase in aphid populations including winged aphids that are moving from field to field. We discuss what growers should consider when applying insecticide to soybeans when seeds are developing. We summarize a recent Integrated Crop Management newsletter articles on late season management of soybean aphids.

Spotty aphid outbreaks continue Aug 11, 2009

Show notes

Erin and Matt report on observations on aphid populations around Iowa from the week of August 3-7. We discuss the continued production of winged aphids, their capture in the suction trap network, and the changing appearance of aphids in the field (winged, wingless and white dwarves).

Considering insecticides for managing aphids Aug 07, 2009

Show notes

For the past 5 years, we have evaluated insecticides for managing soybean aphids. After applying insecticides as part of our 2009 insecticide evaluation, Erin and I discuss some issues to consider when selecting an insecticide

Update on Iowa bee rule Aug 03, 2009

Show notes

In this extra podcast, Matt O'Neal discusses a recent change to the Iowa bee rule with Betsy Buffington. Betsy works for The Pesticide Applicator Training Program at Iowa State University. She has created a publication about the bee rule, which can be found at the Iowa State University Extension publication office as PAT 47. Visit https://www.extension.iastate.edu/store/ for more information.

Soybean aphid populations' build Aug 03, 2009

Show notes

For the week of August 3, 2009, Drs. Hodgson and O'Neal discuss scouting reports from the previous week indicating increases in aphid populations. In our longest podcast to date we discuss several issues growers should consider with regard to spraying insecticide for soybean aphids, including the potential for spider mite outbreaks.

Slow growing aphid populations Jul 27, 2009

Show notes

For the week of July 27, 2009, Drs. Erin Hodgson and Matt O'Neal review reports and data on soybean aphid populations from Iowa and the midwest. Although large populations can be found, many growers are reporting low populations with less than 50% of the plants infested with aphids. Also, Erin discusses reports of soybean defoliation by insect pests that are not aphids.

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