Soybean Pest Podcast
Drs. Matt O'Neal and Erin Hodgson discuss current soybean aphid activity around Iowa and the region. Numbers are remaining low with some regions declining in density. They also discuss upcoming field tours (available at www.aep.iastate.edu).
Drs. O'Neal and Hodgson summarize reports from around the midwest and Iowa about the soybean aphid. Despite the lack of aphids in the fall, evidence so far is that they survived and are beginning to build up in the northern parts of Iowa. Numbers are still very low and do not require insecticides, but we compare 2011 to previous growing season.
Soybean aphids have been found on soybeans. We discuss what this might mean for management. We also report on yet another invasive insect pest of soybeans that has been found in the US, the kudzu bug.
Drs O'Neal and Hodgson are back for the 3rd year of the soybean aphid podcast. We review the status of aphids on buckthorn, introduce a new buckthorn project (buckthornwatch.org) and talk about the new invasive pest of soybeans, the brown marmorated stink bug, that has been found in Iowa.
Dr. Hodgson and O'Neal talk about the preharvest intervals for those soybean growers considering an insecticide late in the season.
Dr. O'Neal returns from vacation to discuss with Dr. Hodgson reports of aphid outbreaks in Iowa. The doctors have an upcoming field day on August 28th in Sutherland Iowa, Sponsored by PFI. For details visit http://www.practicalfarmers.org/assets/vcalendar/index.php.
Erin Hodgson talks about recent aphid populations and also some interesting defoliators in soybean.
Soybean aphids are picking up activity throughout Iowa; however, populations are still very patchy. Also consider other defoliators in soybean right now that might compound stress during pod set.
Winged aphids are still on the move in Iowa, although most fields still remain well below treatment levels. Neighboring states have notable aphids, so scouting should still continue.
Aphids are still hard to find, but that doesn't mean that Matt and Erin can't find something to talk about. We discuss spraying insecticides based on a calendar date as opposed to spraying insecticide based on need (i.e. aphids populations above a threshold).