September 5, 2013 Insect update: Late flea beetle questionsGrowers are still seeing some insects in their canola crops, including a higher than normal presence of flea beetles. Answers to the following three
August 28, 2013 Late canola faces higher bertha armyworm riskBertha armyworm got its name because the worms will march like an army in search of food. As canola crops dry down and are
August 28, 2013 Late-season flea beetlesFlea beetle numbers this late in the season are higher than we’ve seen in years, which could point to higher numbers next spring. For
August 21, 2013 Insect update: Big berthas, weevil larvae, lygusBertha armyworms keep eating to within a few days of pupating. These 1.5” late-stage berthas eat much more than at smaller stages, doing a
August 21, 2013 Pre-harvest intervals (PHIs) for insecticidesMany canola fields are within 5 to 10 days of swathing, which limits the choices for insecticides — based on pre-harvest intervals. Here are
August 14, 2013 Why are there blanks instead of pods?Again this year, canola crops with blanks or missing pods on the main stem are being found. Typically, a missing pod can result from
August 14, 2013 Bertha armyworm on the move soonBertha armyworm spraying has been reported in a few fields. Scout lower in the canopy this week, looking for larvae feeding on lower leaves.
August 14, 2013 Read and follow pre-harvest intervals (PHIs)Pre-harvest interval (PHI) refers to the amount of time that must lapse (in days) after a pesticide application before the crop is cut (ie.
August 14, 2013 What is the “economic” threshold for lygus? Lygus counts are very high in some locations, but get out the sweep net and scout to be sure. If canola is $12
August 8, 2013 Bertha armyworms work their way upBertha armyworm spraying has been reported in a few fields. Scout lower in the canopy this week, looking for feeding on lower leaves. Spotting
July 31, 2013 Why the missing pods?Some canola fields are exhibiting missing or stunted pods at the top or middle of stems. Pods in some fields have been described as
July 31, 2013 Diamondback moth larvae scouting and thresholdsDiamondback moth larvae are showing up in canola fields. The most accurate method to estimate diamondback moth population density is to count larvae in