More Articles from Tobacco Growers Information


Figure 3. The pattern of interveinal chlorosis will eventually spread to the center of the leaf, as may be seen here.
©2016 Forensic Floriculture

From the Field-Agronomy Notes popular

Tobacco Research Update: Magnesium Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of magnesium deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 1. Initial B toxicity, note the crater like appearance of the leaf’s surface, and the marginal wrinkling.
©2016 Forensic Floriculture

From the Field-Agronomy Notes popular

Tobacco Research Update: Boron Toxicity of Tobacco In this tobacco research update, we highlight the symptoms of boron toxicity.  These images are part of a project supported by the North Carolina Tobacco Foundation MORE »

Figure 5. This ribbing will occur when leaf curling becomes very extreme, and the chlorosis is another symptom that occurs in advanced cases of B deficiency.
©2016 Forensic Floriculture

From the Field-Agronomy Notes popular

Tobacco Research Update: Boron Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of boron deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 2. Intermediate Ca deficiency symptoms.  Note the yellowing on the leaf margin.
©2016 Forensic Floriculture

From the Field-Agronomy Notes popular

Tobacco Research Update: Calcium Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of calcium deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 2. The symptoms of sulfur deficiency can be seen moving up the plant from the center foliage. This may help one in distinguishing between sulfur deficiency and nitrogen deficiency, which occurs first on the lower foliage.
©2016 Forensic Floriculture

From the Field-Agronomy Notes

Tobacco Research Update: Sulfur Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of sulfur deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 3. Intermediate K deficiency, note the marginal necrotic spots and advancing interveinal chlorosis.
©2016 Forensic Floriculture

From the Field-Agronomy Notes

Tobacco Research Update: Potassium Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of potassium deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 3. Necrotic spotting that occurs on the foliage of tobacco is a more intermediate to severe symptom of P deficiency.
©2016 Forensic Floriculture

From the Field-Agronomy Notes

Tobacco Research Update: Phosphorus Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of phosphorus deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 4. These symptoms of pale green coloration of the upper leaves, and severe yellowing and beaching of the lower leaves may be observed by downloading the above .gif file. This image provides a 360-degree view of a symptomatic plant.
©2016 Forensic Floriculture

From the Field-Agronomy Notes

Tobacco Research Update: Nitrogen Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of nitrogen deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE »

Figure 2. View of a newly transplanted burley tobacco plant in the nutrient disorder irrigation system.  Note the yellow drip emitters used to deliver the nutrient solution.
©2016 Forensic Floriculture

From the Field-Agronomy Notes

Tobacco Research Update: Development of an Online Nutrient Disorder Diagnostic Key for Tobacco Over the next few weeks, we will be providing updates about our current research project of developing a web-based nutrient MORE »

This is not a tobacco budworm. Photo: Hannah Burrack

Corn earworm abundant early in tobacco

Our laboratory is beginning a project to determine the baseline susceptibility of tobacco-feeding tobacco budworm (Heliothis virescens) populations throughout the southeast to chlorantraniliprole, the active ingredient in the insecticides Coragen, Prevathon, Besiege, Voliam MORE » – from   Entomology

Young, early instar, hornworm larva. Photo: Jeremy Slone

Video guide to tobacco insect scouting

Graduate student Jeremy Slone is an expert in tobacco insect scouting methods, having recently defended his masters thesis, “Overcoming barriers to IPM adoption in flue cured tobacco“. To help growers and other visualize MORE »

Mating pair of stilt bugs on tobacco. Photo: Pete Nelson

Beneficial insects in tobacco

Last week while scouting my plots at Kinston and Rocky Mount, I spotted two predatory insects: big-eyed bugs and spined stilt bugs. Big-eyed bugs (Geocoris puntipes) are common predators found in many cropping MORE » – from   Entomology

Weather Fleck on Single Leaf

From the Field-Agronomy Notes

May 29th– As the 2016 tobacco season rolls into June the crop as a whole still looks very solid in most of the state.  We continue to creep closer and closer to wrapping MORE »

Tobacco flea beetle. Photo via Sterling Southern.

Organic tobacco flea beetle management

In addition to questions about organic aphid management in tobacco, I have also received several questions about organic flea beetle management. Most of these questions have been some version of “What organically acceptable MORE » – from   Entomology

2016 Hail Injury Wayne Co

From the Field-Agronomy Notes

May 6th, 2016- Following the brief cold snap experienced on April 10th, transplanting has occurred at break neck speed in all areas of the state.  As of today, it is estimated that 75% MORE »

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From the Field-Agronomy Notes

April 19th– Once again, it’s been a week or so since our last update. Things have been very, very quiet across the state as most everyone prepares for transplanting.  The last article we MORE »

IMG_0288

From the Field-Agronomy Notes

March 31st, 2016- We’re back today after missing last week. It’s been fairly quiet out there, thankfully that means there’s nothing of significance to report….at least for now. With that being said, April MORE »

Applying Sidedress Fertilizer at Kinston

From the Field-Agronomy Notes

March 15th, 2016 Fertilizer materials continue to be major talking points with producer’s and Extension Agents. It’s safe to assume that many of these conversations are driven by significant declines in material and MORE »

weeds in tobacco

From the Field-Agronomy Notes

March 9th, 2016 It’s never too early to start thinking about a weed management plan. Coming out of a year like 2015, with less than stellar crop yields and prices, it is easy MORE »

Young, early instar, hornworm larva. Photo: Jeremy Slone

2015 Flue-Cured Tobacco Survey: Entomology Survey Data

As part of our annual flue-cured tobacco production surveys, we asked county extension agents questions about current insect pest-control practices in flue-cured tobacco.  For more information about how these surveys were conducted, see MORE »

IMG_0116

From the Field-Agronomy Notes

March 2nd, 2016- The first week of March has delivered unseasonably warm and sunny weather, which is much needed relief for most of North Carolina. The State Climate Office estimates that rainfall totals over MORE »

Plant Tissue Sampling for Tobacco

Now that the majority of greenhouses are seeded around the state, many producers will likely want to monitor the nutritional status of seedlings.  This management practice can certainly be applied to field production MORE »