Crop & Pest Report
Question: I have a customer whose peas have made pods, but they are not filling up with peas. Could the peas have phosphorus deficiency?
The European Commission has granted import approval for Roundup Ready 2 Xtend® soybeans which for allows for the import and food/feed use of Roundup Ready 2 Xtend soybeans into the European Union.
This may not apply to most of you but there is molecular testing available to confirm herbicide resistance to herbicides.
One question I have been asked very often over the years is, "Why is the chlorosis so bad this year?"
There have been a couple calls lately about poorly nodulated soybean in fields that were not previously planted to soybean or have not been planted to soybean in over 10 years.
Scouting of peas and lentils in Burke, Williams, Divide, Mountrail and McKenzie Counties for foliar disease continues as earlier planted crops start to come off the field (Adam Carlson, Crop Scout NDSU).
As pollination is finishing throughout the North Dakota corn growing region, we can now make the first estimate of the grain yield potential of a field since the number of ears and number of kernels per ear can be fairly accurately estimated.
This week’s mystery insect is a giant ichneumonid wasp called Megarhyssa atrata.
The USDA NASS reports that 22% of the sunflowers were blooming in North Dakota (USDA NASS News Release – July 25, 2016).
Pheromone trap catches continue to show high numbers of banded sunflower moths and sunflower moths located in southeast and north central North Dakota (see maps below).
About 135 fields were scouted by the NDSU and UMN Crop IPM Scouts for soybean aphids the last two weeks.
Alfalfa webworm larvae (worms) have been observed causing foliar defoliation in soybeans and sunflower, mainly in the north central area of North Dakota. Some of the field reports include Makoti, Minot, Mohall and Max.
Weather Forecast: July 21 – July 27
Information from the Southwest region of North Dakota.
Information from the South Central region of North Dakota.
Information from the North Central region of North Dakota.
H1811 Bee-utiful Landscapes: Building a Pollinator Garden is now available from the NDSU Distribution Center or you can download the publication as a pdf from their website.
Question: Had a customer inform me this morning he is setting up a Valmar system on his side dress fertilizer rig so he can broadcast his cover crop mix while side dress application in corn. Is there a cheat sheet yet for what I can recommend for herbicides when considering there will be seeding of cover crop approximately 30 days later?
If you need to spray flowering sunflowers or other flowering field crops, please remember to PROTECT BEES by notifying bee keepers before an insecticide application.
Maps detailing corn accumulated daily growing days, percent normal rainfall, departure from normal average air temperature, and accumulated wheat growing degree days.