As field and research season winds down, we’re able to finish collecting and summarizing data. One of our biggest summer projects is the annual corn and soybean survey. While some […]
Frustrations have been expressed about the numbers of Japanese beetles and their soybean defoliation this season. This compounds the weather woes that soybean has endured, i.e., too wet, too dry, […]
Japanese beetle is an invasive insect that feeds on corn and soybean plus many other plants. This pest has been in Iowa since 1994 but its distribution in field crops […]
Soybeans should be scouted weekly for the presence of insect pests until full seed (R6) plus another 10 days.
Some minor defoliators have been noted in soybean this growing season, including caterpillars, beetles, and grasshoppers. Specifically, soybean defoliators observed include green cloverworm, soybean looper, alfalfa caterpillar, imported longhorn weevil, […]