Not too much is new regarding common stalk borer activity when compared to last week. Another cool, wet week has led to a limited accumulation of degree days. Based on our calculations, common stalk borer activity still doesn’t warrant any scouting. We will continue to monitor the degree days and provide updates.
All Corn Content
To say that the spring of 2019 has been a challenge for South Dakota producers is an understatement. According to the USDA-NASS, corn and soybean planting progress in SD was pegged at 19% and 4% on May 20th, respectively, which is far below the 5-year averages of 76% and 39%. Last week was the first time much of either crop was planted in SD.
May 22, 2019
The South Dakota Mesonet has installed a new weather station at the West River Research Farm near Sturgis with the support of the South Dakota Wheat Commission.
With the challenges of getting crops planted this year many farmers are likely weighing their options and re-considering their planting intentions. For producers that can market feedstuffs through livestock (particularly cattle), it may be premature to completely abandon corn simply due to calendar dates.
High waters and saturated soils across many counties in South Dakota have producers worried about getting their crops planted in a timely manner this spring. In many areas, typical cash crops will not be a possibility. Producers may need to develop alternative plans.
With the excessively wet planting conditions much of South Dakota is now experiencing, many producers are looking for “Plan B” to meet forage needs for their livestock, or as a commodity that can be marketed to livestock producers.
During 2018 the main driver for South Dakota's economic growth continued to be agriculture. It is still the number one industry, with almost $20 billion in impact yearly. In today’s uncertain economic environment, two things can help farmers succeed: information and knowledge.
As the spray season starts, it is always good to be aware of resources and testing facilities where you can send in possible herbicide-affected plant samples. SDSU Extension offers suggestions on how to handle possible herbicide damage situations as well as recommended labs that receive plant matter samples to test for herbicide residues.
The hatching and movement of common stalk borer caterpillars can be estimated by using degree days with a developmental threshold of 41 degrees Fahrenheit. Common stalk borer eggs typically begin to hatch at 575 degree days.
Crop insurance late plant dates are fast approaching for planting crops in South Dakota. The weather and soil conditions this spring will likely lead to some prevent plant situations for farm producers.