“It’s that time of year again. Weeds are hopefully suppressed, beans are closing in the rows, the corn is pollinating, and scouting for bugs is now in full swing,” said Mike Slater, Federated agronomy sales rep at the Isanti location.
Growers are “always battling something – the weather, weeds, bugs, etc,” Slater mused, and the primary battle at this point in the season is over spider mites and aphids on soybeans.
are “extremely small – only 0.05 cm long, about a 1/3 of the size of a soybean aphid,” said Slater.
(See photo. Spider mites appear to look like grains of sand.)
“Their webbing and damage to leaves are easier to spot than the pest themselves,” he added. Spider mites feed on the plant leaves and “suck out the contents of the leaf cells."
Spider mite damage typically appears...