Current Situation in North CarolinaCorn is currently at the tasseling and silking stages across the state, which is typically the time when fungicides are applied to manage fo … Continue Reading| Corn News - NC State Extension
Sometimes the things we fear most happen. For a corn farmer the thing they fear most is a prolonged drought during the silking stage of corn development. It is not uncommon to see this occur in a given region of North Carolina but it is rare when it happens statewide. After weeks without appreciable precipitation ...| corn.ces.ncsu.edu
Its been one month since the launch of Root Cause Reports!From seedling diseases to deer damage and stink bugs, weve been tracking and sharing real-time crop issues from acros … Continue Reading| Corn News - NC State Extension
Are the spots circular with tan centers and purple to dark brown margins, possibly surrounded by yellow halos? Yes Go to 2 No Go to 4Are the lesions small, numerous, evenl … Continue Reading| Corn News - NC State Extension
With such a wet May, yall are probably seeing an uptick in leaf spots on corn, but theres no need for concern. Its likely holcus leaf spot, a minor bacterial disease that typi … Continue Reading| Corn News - NC State Extension
The corn leafhopper (Dalbulus maidis) is a pest of corn that typically lives in warm places, such as areas near the coast in the southern United States. However, in 2024, it m … Continue Reading| Corn News - NC State Extension
Commercially available foliar fungicides (Table 1) were evaluated for their impact on disease and yield responses. Under favorable conditions for disease development (i.e., we … Continue Reading| Corn News - NC State Extension
Every year, entomologists from theNational Cotton States Arthropod Pest Management Working Groupare polled on insecticide efficacy. This group consists ofuniversity Extension … Continue Reading| Corn News - NC State Extension
Bt corn growers are required to plant 20% of their total corn acres to non-Bt corn for resistance management. An important question is do growers lose yield on the 20% of the … Continue Reading| Corn News - NC State Extension
Damage from Fungal Infections and Ear RotDrought can significantly impact corn production in several ways. Early-season drought can cause stunting, poor nodal root systems, re … Continue Reading| Corn News - NC State Extension
While we are seeing more rain, the drought has turned green corn plants into various shades of yellow and brown. However, there are a few other colors you may see in a field. … Continue Reading| Corn News - NC State Extension
As I mentioned in a soybean article,corn earworms are early this year, populations are high, and moths are flying. A lot of growers, curious about how their corn might have po … Continue Reading| Corn News - NC State Extension
Bt Corn and Refuge: Smart Planting for Long-Term Success| corn.ces.ncsu.edu
Article by Alexis Alsdorf, NC State Department of Entomology and Plant Pathology PhD student Helicoverpa zea (corn earworm or bollworm) is a common pest that feeds on many crops, including corn and cotton, across the United States. Over time, this pest has become resistant to some of the Bt corn and cotton traits that are supposed ...| corn.ces.ncsu.edu
Bt corn has been genetically modified to make insecticidal proteins that protect plants from caterpillars and some root-feeding beetles. In our region, growers pay an average of around $35 more for a bag of Bt corn compared to non-Bt corn. However, corn earworm, the most common caterpillar pest of North Carolina corn, does not decrease ...| corn.ces.ncsu.edu
Article by Daniela Pezzini, NC State Ph.D. candidate, Department of Entomology and Plant Pathology Bt corn has been genetically modified to make insecticidal proteins that protect plants from caterpillars and some root-feeding beetles. In our region, growers pay an average of around $35 more for a bag of Bt corn compared to non-Bt corn. However, corn ...| corn.ces.ncsu.edu
All growers who plant Bt corn in North Carolina are required by law to plant non-Bt corn (refuge). Details are specified on the bag tag, but non-Bt corn must represent at least 20% of the total corn acres, including both Bt and non-Bt corn. Even if refuge-in-a-bag (RIB) hybrids are planted, North Carolina growers must ...| corn.ces.ncsu.edu