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Mid-Season Tobacco Disease Updates

Recent weather conditions have favored several diseases in tobacco. Most pathogens that we manage in tobacco are most severe under warm, wet conditions. In 2020, I am receiving continued reports of…

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Thrips Flight and TSWV Risk Update--May 7, 2019

Third generation thrips flights are now predicted to occur within 14 days at some of our locations, so growers should pay close attention to conditions in their area. Use the most recent information…

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Thrips Flight and TSWV Risk Assessment Report – 23 April 2019

This is the second thrips flight and TSWV risk assessment post. Read more about tobacco thrips biology and TSWV transmission. This post serves to provide a summary of model outputs to date for each…

Tomato spotted wilt virus symptoms in tobacco

Thrips Flight and TSWV Risk Assessment Report – 16 April 2019

Tomato spotted wilt virus (TSWV) is transmitted by thrips from winter weeds that are host to the virus. Symptoms in tobacco include necrosis and distortion of leaves (Fig. 1). Symptoms are not found…

Praying mantis perched on a large green leaf

Tobacco Insect Scouting Report, September 18 2015

We observed both a decrease in flea beetle populations and an increase in predators this week at our remaining on farm site. Only two plants had signs of aphids, but neither had large enough…

Fuzzy green leaf with multiple small red mites on its surface

Tobacco Insect Scouting Report, September 11 2015

Several plants at our remaining on-farm site have small populations of aphids this week. While only one plant met the requirements to be considered infested, we saw two plants in the standard field…

Rows of green plant stalks with sparse leaves growing in sandy soil

Tobacco Insect Scouting Report, September 4 2015

This week was busy with the final primings at nearly all of our remaining sites. We will continue reporting our observations at Piedmont 2 until harvesting is complete. Although we didn't see any…

Dark caterpillar on a leaf covered in clusters of white parasitic wasp cocoons

Tobacco Insect Scouting Report, August 21 2015

With harvesting well underway, we are now able to observe how insects distribute themselves on the remaining foliage in the final weeks. Hornworms and budworms have a preference for younger leaves…

Green leaf with brown necrotic spots and scattered small black insects and frass

Tobacco Insect Scouting Report, August 14 2015

We are seeing more flea beetle feeding at sites with the lowest leaves still present on plants and consistently seeing beetles at all sites. The image above shows one example of how flea beetle…

Leaf underside densely covered with small red aphids and white shed skins

Tobacco Insect Scouting Report, July 31 2015

Similar to recent weeks, we are still in a bit of a midsummer lull for pest pressure. However, we still have weeks to go, and a lot can change in that time. Below are a few points of interest from…