Tobacco Insect Scouting Report. May 30, 2014

— Written By tcmclamb and last updated by Hannah Burrack
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Some of the tobacco at one of our Piedmont locations. Photo: Cameron McLamb

Tobacco at one of our Piedmont locations. Photo: Cameron McLamb

Our weekly scouting, now in week five, has shown a slight increase in flea beetle activity, but still well below the threshold amounts required to begin treatment. After reports of budworms in some grower locations, no budworms were observed at our sites. We, along with many others, also observes thrips at all of our sites.

Scouting Report , Eastern 1 – Grower Standard Field

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 .04 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No treatment Thrips observed

Scouting Report, Eastern 2 – IPM Field

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 0 – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment Thrips observed

Scouting Report , Eastern 3 – Grower Standard Field

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 0.05 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No treatment Thrips observed

Scouting Report, Eastern 4 – IPM Field

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 0.23 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment Thrips observed

Scouting Report , Piedmont 1 – Grower Standard Field

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 0.08 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No treatment 2.15 thrips/plant

Scouting Report, Piedmont 2 – IPM Field

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 0.06 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment 1.22 thrips/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 – No Treatment 0.04 beetles/plant– No treatment 0 – No treatment 0 – No treatment 0 – No Treatment 4% of plants with greater than 50 thrips per leaf

On Station, Kinston – Control plants treated with imidicloprid

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 0.01 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment 4% of plants with greater than 50 thrips per leaf

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 – No Treatment 0.88 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment 0 – No treatment

On Station, Rocky Mount – Control plants treated with imidicloprid

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 0.08 beetles/plant – No treatment 0 – No treatment 0 – No treatment 0 – No Treatment 0 – No treatment

More information

For last weeks scouting report, click here.

Questions about thrips in tobaccoTobacco Growers Information

Posted on May 30, 2014
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