Field Trials
A major component of our work involves performing contracted research trials, generally evaluating the efficacy of registered or experimental insecticides for insect pest management in commercial vegetable production. Summaries of these trials are available below.
2025 Field Trials
| Crop | Location | Description | Target Pest(s) | Appl. | Trts | Metrics | Report |
|---|---|---|---|---|---|---|---|
| Potato | Antigo, WI | Aerial spray deposition trial | None | Foliar by drone | 6 | Droplet density and coverage on spray cards | |
| Carrot | Hancock, WI | Aster Yellows cultivar screening trial | Aster leafhopper, Aster yellows | None | 21 | Leafhopper counts, aster yellows symptom screening at harvest | |
| Green bean | Hancock, WI | Seedcorn maggot cultivar screening trial | Seedcorn maggot | None | 48 | Seedling emergence, seedling damage | |
| Potato | Hancock, WI | Calantha 1st gen. CPB foliar timing trial | Colorado potato beetle | Foliar | 5 | CPB counts, defoliation | |
| Potato | Hancock, WI | 1st gen CPB foliar trial | Colorado potato beetle | Foliar | 24 | CPB counts, defoliation | |
| Potato | Hancock, WI | Torac vs Apta 1st gen CPB foliar trial | Colorado potato beetle | Foliar | 5 | CPB counts, defoliation | |
| Potato | Hancock, WI | At-plant systemic CPB trial | Colorado potato beetle | Seed, In-furrow | 8 | CPB counts, defoliation, yield | |
| Potato | Hancock, WI | Full-season CPB management trial | Colorado potato beetle | In-furrow, foliar | 9 | CPB counts, defoliation, yield |
2024 Field Trials
| Crop | Location | Description | Target Pest(s) | Appl. | Trts | Evaluation | Report |
|---|---|---|---|---|---|---|---|
| Cabbage | Arlington, WI | Cabbage Foliar Trial | Diamondback moth, Imported cabbageworm, Cabbage looper | Foliar | 3 | Insect counts | |
| Potato | Arlington, WI | Potato Leafhopper Foliar Trial | Potato leafhopper | Foliar | 4 | Insect counts | |
| Sweet corn | Arlington, WI | Sweet Corn SCM Seed Treatment Trial | Seedcorn maggot | Seed | 10 | Insect counts | |
| Potato | Antigo, WI | Neonic Alternatives PVY Management Trial | Potato Virus Y | In-furrow, Foliar | 8 | Yield, PVY incidence | |
| Potato | Hancock, WI | CPB At-Plant Systemic Trial | Colorado potato beetle | Seed, In-furrow | 8 | Insect counts, defoliation, yield | |
| Potato | Hancock, WI | CPB Foliar Calantha Application Timing Trial | Colorado potato beetle | Foliar | 5 | Insect counts, defoliation | |
| Potato | Hancock, WI | CPB Foliar Trial | Colorado potato beetle | Foliar | 17 | Insect counts, defoliation, yield | |
| Potato | Hancock, WI | CPB Full Season Trial | Colorado potato beetle | In-furrow, Foliar | 15 | Insect counts, defoliation |
2023 Field Trials
| Crop | Location | Description | Target Pest(s) | Appl. | Trts | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | HARS | Full-Season CPB Trial | Colorado potato beetle | At-plant; foliar | 16 | Insect counts; yield | AMT | |
| Potato | HARS | Systemic Diamide Trial | Colorado potato beetle (1st gen.), colonizing aphids, potato leafhopper | At-plant; hill side-dress | 9 | Insect counts | AMT | |
| Potato | HARS | CPB Foliar Trial | Colorado potato beetle (1st gen.) | Foliar | 24 | Insect counts | AMT | |
| Potato | HARS | Single-app CPB Foliar Trial | Colorado potato beetle (1st gen.) | Foliar | 9 | Insect counts | – | |
| Potato | HARS | Calantha CPB Foliar Timing Trial | Colorado potato beetle (1st gen.) | Foliar | 5 | Insect counts | – | |
| Potato | HARS | Calantha Tank Mix Effects CPB Foliar Trial | Colorado potato beetle (1st gen.) | Foliar | 17 | Insect counts | AMT | |
| Potato | AARS | Potato Leafhopper Foliar Trial | Potato leafhopper | Foliar | 4 | Insect counts | – | |
| Potato | AARS | Sivanto Prime Aphid Foliar Trial | Colonizing aphids | Foliar | 5 | Insect counts | – | |
| Potato | Antigo | PVY Management Trial | Colonizing aphids, Potato virus Y | At-plant, Foliar | 6 | Yield, PVY incidence in seed potato | – | |
| Onion | Coloma | Full-Season Onion Thrips Trial | Onion thrips | Foliar | 6 | Insect counts | AMT | |
| Snap Bean | AARS | SCM Seed Trt Trial | Seedcorn maggot | Seed | 7 | Emergence; damage | – | |
| Sweet Corn | AARS | SCM Seed Trt Trial | Seedcorn maggot | Seed | 10 | Emergence; damage; larvae counts | AMT |
2022 Field Trials
| Crop | Location | Description | Appl. | Trts | Target Pest(s) | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | Antigo | Dymax PVY Trial | Foliar | 5 | Colonizing aphids | Yield, PVY incidence in harvested tubers | – | |
| Potato | HARS | CPB At-Plant Trial | Seed, In-furrow | 9 | 1st gen CPB | Insect counts | AMT | |
| Potato | HARS | CPB Foliar Trial | Foliar | 34 | 1st gen CPB | Insect counts | AMT | |
| Potato | HARS | CPB Full-Season Trial | At-plant, foliar | 7 | CPB | Insect counts, yield | AMT | |
| Potato | AARS | Potato Leafhopper Trial | Foliar | 5 | PLH | Insect counts | AMT | |
| Cabbage | AARS | Cabbage Foliar Trial | Foliar | 6 | Diamondback moth, Cabbage looper, Imported cabbageworm | Insect counts | AMT | |
| Sweet corn | AARS | Seedcorn Maggot Trial | Seed | 11 | Seedcorn maggot | Seedling damage | AMT |
2021 Field Trials
| Crop | Location | Description | Appl. | Trts | Target Pest(s) | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | HARS | CPB At-Plant Trial | In-Furrow | 7 | 1st gen CPB | Insect counts | LINK | |
| Potato | HARS | CPB Foliar Trial | Foliar | 36 | 1st gen CPB | Insect counts | LINK | |
| Potato | HARS | CPB Full-Season Minecto Pro + Delegate Trial | Foliar | 2 | CPB | Insect counts, Yield | ||
| Potato | Coloma | Minecto Pro / Radiant Commercial-Scale Trial | Foliar | 2 | CPB | Insect counts | ||
| Potato | Arlington | PureSpray Green Tank Mix Phytotoxicity Trial | Foliar | 6 | None | Phytotoxicity ratings | ||
| Cabbage | Coloma | Verimark In-Furrow vs Side-Dress Lep Trial | At-Plant / Foliar | 3 | Lepidopteran pests of cabbage | Insect counts | ||
| Green Bean | Arlington | Verimark vs Exirel ECB Trial | Foliar | 5 | European Corn Borer | Insect counts | LINK | |
| Sweet Corn | Arlington | At-Plant Seedcorn Maggot Trial | At-Plant | 2×5 | Seedcorn Maggot | Stand counts, damage ratings |
2020 Field Trials
| Crop | Location | Description | Appl. | Trts | Target Pest(s) | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | Antigo | PVY management | Foliar | 5 | Aphid | Yield, PVY incidence | LINK | |
| Potato | Coloma | Potato aphid management | Foliar | 6 | Aphid | Insect counts | LINK | |
| Potato | HARS | Evaluation of two BT formulations against CPB | Foliar | 8 | CPB | Insect counts, defoliation | LINK | |
| Potato | HARS | Evaluation of an experimental at-plant for 1st-gen CPB management | Systemic | 8 | CPB | Insect counts, defoliation | LINK | |
| Potato | HARS | Evaluation of an experimental foliar product for 1st-gen CPB management | Foliar | 8 | PVY | Yield, PVY incidence | LINK | |
| Cabbage | Arlington | Lepidoptera management | Foliar | 8 | Diamondback moth, imported cabbageworm, cabbage looper | Larval counts | LINK |
2019 Field Trials
| Crop | Location | Description | Appl. | Trts | Target Pest(s) | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | Antigo | Potato aphid management | Foliar | 5 | Aphid, PLH | Insect counts | LINK | |
| Potato | HARS | Colorado potato beetle first-generation management | Foliar | 8 | CPB | Insect counts, defoliation | LINK | |
| Potato | HARS | Colorado potato beetle full-season management | Systemic, foliar | 6 | CPB | Insect counts, defoliation, yield | LINK | |
| Potato | HARS | Potato virus Y management | Foliar | 6 | PVY | Yield, PVY incidence | ||
| Onion | Crossroads | Onion thrips management | Foliar | 16 | Onion thrips | Thrips counts | LINK |
2018 Field Trials
| Crop | Location | Description | Appl. | Trts | Target Pest(s) | Evaluation | Report | Publication |
|---|---|---|---|---|---|---|---|---|
| Potato | Hancock | Colorado potato beetle full-season management demo | Seed, in-furrow, foliar | 10 | CPB, PLH, Aphid | Insect counts, yield | LINK | |
| Potato | Hancock | Colorado potato beetle management, experimental RNAi products | Seed, in-furrow | 15 | CPB, PLH, Aphids | Insect counts, yield | ||
| Potato | Hancock | Potato virus Y management | Foliar | 8 | PVY | Yield, PVY incidence in seed | ||
| Potato | Coloma | Aphid foliar, experimental | Foliar | 14 | Aphids | Insect counts | LINK | |
| Potato | Endeavor | Colorado potato beetle systemic management on muck soil | Seed, in-furrow | 7 | CPB | Insect counts | ||
| Potato | Arlington | Colorado potato beetle management, experimental RNAi products | Seed, in-furrow | 15 | CPB | Insect counts, yield | ||
| Cabbage | Randolph | Cabbage maggot control | Drench | 5 | Delia | Plant damage | ||
| Snap bean | Plover | European corn borer control | Foliar | 8 | European corn borer | Plant damage, larvae counts | LINK | |
| Onion | Cross Plains | Onion thrips control | Foliar | 17 | Thrips | Insect counts | LINK |
2017 Field Trials
| Crop | Location | Description | Target Pest(s) | Evaluation | Report |
|---|---|---|---|---|---|
| Potato | Hancock | Early-season foliar insecticide trial | Colorado potato beetle, potato leafhopper, aphids | Insect counts, Defoliation | |
| Potato | Hancock | Full-season at-plant systemic/foliar insecticide trial | Colorado potato beetle, potato leafhopper, aphids | Insect counts, defoliation, yield & tuber quality | |
| Potato | Hancock | Full-season systemic program trial including insecticides, fungicides, nematicides, and soil enhancers | Colorado potato beetle, potato leafhopper, aphids | Stand counts, insect counts, defoliation, yield & tuber quality | |
| Potato | Arlington | Aphid foliar management trial | Potato aphid | Nymph & adult counts | |
| Potato | Antigo | PVY management trial | Potato virus Y | Yield, seed infection rate | |
| Carrot | Hancock | Aster leafhopper systemic trial | Aster leafhopper, aster yellows | Stand counts, leafhopper adult & nymph counts, AY infection rate, yield & quality | |
| Cabbage | Arlington | Foliar Venerate XC trial | Imported cabbageworm, cabbage looper, diamondback moth | Insect counts | |
| Snap bean | Arlington | SCM at-plant trial | Seedcorn maggot | Stand counts, maggot damage | |
| Green bean | Plover | ECB foliar trial | European corn borer | Plant damage, larvae counts |
2016 Field Trials – Full PDF
| Crop | Treatment | Location (WI) | Target Pest(s) |
|---|---|---|---|
| Onion | Foliar | Markesan | Onion thrips |
| Potato | Foliar | Hancock | Colorado potato beetle, Potato leafhopper, Aphids |
| Potato | Foliar | Arlington | Colorado potato beetle |
| Potato | Foliar | Antigo | Potato virus Y |
| Potato | Systemic | Hancock | Colorado potato beetle, Potato leafhopper, Aphids |
| Potato | Full season mgmt | Hancock | Colorado potato beetle, Potato leafhopper, Aphids |
| Snap bean | Foliar | Plover | European corn borer |
| Snap bean | In-furrow | Plover | Seedcorn maggot |
| Pepper | Foliar | Arlington | European corn borer |
| Cabbage | In-furrow | Randolph | Cabbage maggot |
| Cucurbit | In-furrow | Cashton | Seedcorn maggot |