Researchers are looking to develop an attachment for existing air-assist sprayers that may improve coverage. Hofman, says up to 70 percent of the fungicide applied to control scab will likely be sprayed by aerial applicators because of wet fields and the amount of crop that will need applications in a timely fashion. A rate of 5 to 7.5 gallons per acre is best and nozzles should be oriented at 90 degrees to the air stream to provide the best dispersion of the spray. Spray should be applied from a height of 6 to 8 feet. Any lower than that and the spray may not be distributed well on the crop.
Higher altitudes offer more potential for spray drift.
Small grains are advancing fast with most of the early seeded acres heading and the later seeded very heavy growth. Problems are aphids are here, leaf diseases are showing but not as bad as one would think with the moist conditions we have had. Questions are should we be putting Nitrogen on for a protein boost, should we fungicide for diseases and put insecticide on for aphids, with the wheat prices in the low three dollar range. Row crops are looking much better now. Spraying of weed in row crops continue with only a few days without a strong winds.