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How to Stop Drift
The goals of applying any crop protection products include: increasing effectiveness, mitigating drift, and maximizing profits. We will focus on mitigating drift, even though all three interact with each other.
Does Early Fungicide at Tillering Result in a Profitable Yield?
Tan spot and powdery mildew pathogens are two residue-borne pathogens that can infect wheat early in the season. These diseases can lead to poor tillering, and their continued development can lead to yield loss.
Low Temperature Damage to Corn and Soybean
Temperatures are forecast to reach 32°F or lower in large areas of South Dakota for several nights beginning on May 7, 2020. While a relatively low percentage of planted crops are likely to be emerged at this point in time, producers may still want to evaluate individual fields for crop damage.
Wheat Streak Mosaic Disease Developing in Winter Wheat
Although the majority of winter wheat in the state is rated good to excellent in the recent USDA-NASS report, a few winter wheat fields in Central South Dakota have been diagnosed with wheat streak mosaic disease (WSMD) caused by wheat streak mosaic virus (WSMV).
Scout for Charcoal Rot in Early Senescing Parts of the Field
The drought conditions in the past few weeks have led to some soybean fields senescing early. However, some of the early senescing may be due charcoal rot.
HG Type Testing: A Management Strategy for Soybean Cyst Nematode Control
Have you noticed lower soybean yielding areas in your field? Soybean cyst nematode may be to blame. Fall, and especially after soybean harvest, is the best time to sample soil and have it tested for soybean cyst nematode.
Wet Weather Leads to Tomato Problems
Most of the questions that have been coming in lately, and also earlier this summer, relate to tomato problems. Despite early predictions that this summer was going to be dry, many areas have received above average rainfall with many parts of South Dakota far exceeding typical rainfall amounts in the month of August. Many gardeners received 5 to 8” of rain or more in the first three weeks of August alone.
Corn Ear Rots and Stalk Rots: The Last Issues To Check for in Corn Before Combining
Before combining corn, it is recommended to scout your field for corn ear rots and stalk rots. It is important to scout corn fields for these two issues in order to make timely decisions on corn combining.
The Fusarium Head Blight Prediction Tool
The Fusarium head blight prediction tool, available through Penn State University and Mesonet at SDState, uses weather variables to predict the risk for Fusarium head blight in wheat.
Barley Yellow Dwarf Developing in Oats
A few oat fields that were recently scouted were found to have barley yellow dwarf virus infected plants. The infected plants were few and scattered throughout the oat fields.