Tobacco Insect Scouting Report, September 5, 2014
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View down a row of our Eastern 1 site.
We are at week nineteen of scouting, and harvesting is happening at all locations. The Piedmont site continued with harvesting this week and the Eastern 3 & 4 locations have completed harvesting this week. Since harvesting is completed for those sites, they have been removed from the scouting report. None of our grower plots have hornworms or flea beetles above threshold. We did see a few budworms present on suckers, but they were not above threshold.
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 | 0.84 flea beetles/plant– No treatment | 0% budworm infested plants – No treatment | 0 – No treatment | 0 – No treatment | 0.06 stilt bugs/plant – 0.02 stink bugs/plant |
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 | 2.56 flea beetles/plant – No treatment | 4% tobacco budworm infested plants – No treatment | 0 – No treatment | 0 – No Treatment | 0.02 stink bugs/plant |
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 aphid infested plants – No treatment | 1.45 flea beetles/plant – No treatment | 0% tobacco budworm infested plants – No treatment | 0 – No treatment | 0 – No treatment | 0.025 stilt bugs/plant |
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 | 1.78 flea beetles/plant– No treatment | 0% tobacco budworm infested plants – No treatment | 0 – No treatment | 0 – No Treatment | 0.06 stilt bugs/plant0.02 stink bugs/plant |
Here are the scouting reports from the control plots for our experiments at the Upper Coastal Plain Research Station near Rocky Mount, NC and the Lower Coastal Plain Research Station near Kinston, NC. For some of these experiments, the control plots receive no insecticide treatments for the entire season. For some of the experiments, we are interested in only caterpillar pests so all plants in the experiment, including the control plots, are treated in the greenhouse with imidacloprid to prevent other early season pests.
On Station, Kinston – Control plants with no insecticide treatment
| Insect observation | No. aphid infested plants | Flea beetles/plant | Percent tobacco budworm infestation | Hornworms/plant | Percent cutworm damaged plants | Other insects |
| Treatment needed? | 0% aphid infested plants – No Treatment | not counted | 0% budworm infested plants – No treatment | 0.09 hornworms/ plant – No treatment | 0 – No Treatment | 0 parasitized hornworms/plant |
On Station, Kinston – Control plants treated with imidacloprid
| Insect observation | No. aphid infested plants | Flea beetles/plant | Percent tobacco budworm infestation | Hornworms/plant | Percent cutworm damaged plants | Other insects |
| Treatment needed? | 0 – No Treatment | not counted | 0% budworm infested plants – No treatment | 0.135 hornworms/plant – No treatment | 0 – No Treatment | 0 parasitized hornworms/plant |
On Station, Rocky Mount – Control plants with no insecticide treatment
| Insect observation | No. aphid infested plants | Flea beetles/plant | Percent tobacco budworm infestation | Hornworms/plant | Percent cutworm damaged plants | Other insects |
| Treatment needed? | 0 aphid infested plants – No Treatment | not counted | 0% budworm infested plants – No treatment | 0.015 hornworms/plant – No treatment | 0 – No Treatment | 0.03 parasitized hornworms/plant |
On Station, Rocky Mount – Control plants treated with imidacloprid
| Insect observation | No. aphid infested plants | Flea beetles/plant | Percent tobacco budworm infestation | Hornworms/plant | Percent cutworm damaged plants | Other insects |
| Treatment needed? | 0 – No Treatment | not counted | 0% budworm infested plants – No treatment | 0.005 hornworms/plant – No treatment | 0 – No Treatment | 0.005 parasitized hornworms/plant |
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