Stem canker is a fungal disease that occurs sporadically from year to year in North Carolina. Infection is dependent on favorable weather conditions, specifically prolonged wet weather early in the season. Stem canker is caused by fungi in the genus Diaporthe. Infection by the fungus occurs early in the season, during the early vegetative stages…
From the office of Jim Dunphy, Crop Science Extension Specialist (Soybeans) and Lindsey Thiessen, Extension Plant Pathologist This morning, Asiatic Soybean Rust was confirmed on soybeans in Colleton County, SC. One pustule was detected on one leaf out of 50 examined. The soybeans were at stage R4 (full length pods in the top four nodes of…
It’s never too early to start thinking about soybean variety selection for next year and now is the perfect time to get to see different varieties in the field. NC State conducts official variety testing (OVT) and Dr. Jim Dunphy plants variety demonstrations each year. This means there are over 15 locations across the…
With over 50% of the North Carolina soybean crop now in reproductive stages, it’s time to begin thinking about how disease pressure may affect the yield of your crop. Scouting is critical to determine which diseases are present and if a fungicide application may be helpful in protecting yield. A number of diseases are common…
Last week we looked at the performance of a number of different foliar products tested in 2015. Click here if you missed Part I of this series. This week, in Part II of the series, we will be looking at the potential return on investment with these products. Although some products did give a yield…
From the office of Jim Dunphy, Crop Science Extension Specialist (Soybeans) and Lindsey Thiessen, Extension Plant Pathologist Asiatic Soybean Rust has been confirmed in Tift County, Georgia, earlier today, on soybeans in a Sentinel plot. This is the first find of rust on soybeans in Georgia this year, and is approximately 260 miles from Murphy, NC,…
Effective in 2017: The following change from USDA Risk Management Agency has been made regarding the double-crop indemnity provisions in crop insurance. For more information and the full website with FAQs visit the link here: http://www.rma.usda.gov/help/faq/doublecropping.html Frequently Asked Questions Double Cropping Revision and Practical to Replant Jun 22, 2016 Q: What is double cropping? A: Planting and harvesting two or…
Growers are constantly being hit with information from products that advertise their ability to increase yield, specifically, foliar N, P, K, and micronutrient fertilizers. Is in-season fertilization needed for “catch-up” in a soybean crop and are these products consistently a sound investment for an operation? Research from groups across the United States over the last…
Frogeye leaf spot (FLS) is a common foliar disease in North Carolina soybeans especially in our Northeastern and Piedmont counties. Frogeye leaf spot is a fungus caused by the pathogen Cercospora sojina. It can infect soybean plants at any stage of development, but disease most often occurs after flowering. The disease is most serious during…
Walking and scouting fields is important for a number of reasons but as we move into July, identification of insect pests is key to maintaining maximum yields. I recently met a bed bugs exterminator expert who told me that understanding the insect population in your field, allows you to formulate the most effective and profitable…