…have shown in other crops to inhibit multiplication of the phytoplasma. The same may be true for canola. Bertha armyworm at a developing stage. Source: Saskatchewan Ministry of Agriculture Bertha…
Read more…more information on bertha armyworm (scouting video, economic thresholds). Click here to review last week’s information bertha armyworm, lygus bug, and fall flea beetle populations. Bertha armyworm larvae killed by…
Read more…the DBM monitoring map in Alberta. Bertha armyworm Bertha armyworms (BAW) come in brown, black and green shades. The green berthas are shinier than other green worms, and the yellow-orange…
Read more…bore into the bertha’s body. When these two natural parasitoids reach levels where they’re attacking 60% of the bertha population, we can expect to see bertha populations drop the following…
Read more…and the characteristic “V” in the upper center of their back is quite recognizable. Further reading: https://www.canolawatch.org/2014/07/30/lygus-thresholds-2/ http://www.canolacouncil.org/canola-encyclopedia/insects/lygus-bug/ 3) Bertha armyworms Description: Bertha armyworm traps have mostly been low, with…
Read morePod-eating insects — including bertha armyworm, lygus and diamondback moth larvae — are at low levels in general in 2016. The biggest factors regulating insect populations are (1) weather, (2)…
Read more…in climatic conditions. Bertha armyworm. The bertha armyworm map is based on the number of male moths caught in pheromone traps. During the growing season, the Weekly Update provides near-real…
Read more…Bertha armyworm (BAW) – Bertha larvae often aren’t noticed until they move up the canopy during mid to late podding – at which point yield loss can occur quickly. They…
Read more…a highly valuable alert to farmers within and beside those areas. Provincial entomologists tracking insect outbreaks would welcome your input. Bertha armyworm. Credit: Justine Cornelsen Alberta: Provincial entomologists Scott Meers…
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