Tobacco Insect Scouting Report, June 19 2015

— Written By Jeremy Slone and last updated by Carol Hicks
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Some plants are starting to bloom. Photo: Jeremy Slone

Plants at sites throughout the state are reaching the button stage where the plant begins to produce unopened flowers at the bud, and some plants are already in bloom. Treating for budworms is not recommended within two weeks of topping as once the bud and flowers are removed, budworms aren’t as attracted to tobacco. Additionally, it is not effective to treat between the button stage and topping as the feeding will not damage plant material to be harvested. However, plants are at various stages of development between sites and even within sites, so some sites may be able to avoid the need for pre-topping budworm treatments whereas others have already had to take action. Post topping, we expect to see more hornworm pressure, and soon we may begin to see aphid infestation as well.

Due to several treatments this past week, we saw very few pests at those sites. We are seeing stinkbugs and grasshoppers, but typically such damage is very limited and would not be economically important for treatment. We are still seeing a nice mix of predators and parasitoids at most of the sites as well. The recent rain storms may have impacted some of our observations, and the increasing temperatures will allow for faster pest development, so be sure to check back next week to see how things are progressing.

Eastern 1

Scouting Report, Eastern 1 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.0 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Scouting Report, Eastern 1 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.46  flea beetles/plant– No treatment 2% budworm infested plants – No treatment  6% – No treatment 0 – No treatment  

Eastern 2

Scouting Report, Eastern 2 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.06 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Scouting Report, Eastern 2 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.01 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Eastern 3

Scouting Report, Eastern 3 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.02 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Scouting Report, Eastern 3 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.00 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  2% – No treatment 0 – No treatment  

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Piedmont 1

Scouting Report, Piedmont 1 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment .06 flea beetles/plant– No treatment 0% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Scouting Report, Piedmont 1 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment .17 flea beetles/plant– No treatment 3% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Piedmont 2

Scouting Report, Piedmont 2 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.1 flea beetles/plant– No treatment 3% budworm infested plants – No treatment  0 – No treatment 0 – No treatment  

Scouting Report, Piedmont 2 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.18 flea beetles/plant– No treatment 2% budworm infested plants – No treatment  4%  – No treatment 0 – No treatment  

Piedmont 3

Scouting Report, Piedmont 3– Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.54 flea beetles/plant– No treatment 12% budworm infested plants – above threshold 16% – above threshold 0 – No treatment  

Scouting Report, Piedmont 3 – IPM Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No treatment 0.73  flea beetles/plant– No treatment 0% budworm infested plants – No treatment  6% – No treatment 0 – No treatment  

More information

Tobacco insect scouting methods – Tobacco Growers Information Portal

Previous scouting reports – Tobacco Growers Information Portal

Updated on Jan 11, 2016
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