Registration is open for the 2021 Environmental Horticulture Priority Setting Workshop. Regional and national priorities for IR-4 environmental horticulture research in 2022 and 2023 will be established during this biennial event, taking place September 28 – 30.
Author: Jennifer Heiss
Tolerance Success: Fluxapyroxad
Federal Register Date: July 13, 2021 Active Ingredient: Fluxapyroxad Trade Name(s): Merivon Crops/Crop Groups: Cottonseed, subgroup 20C Fruit, pome, group 11-10 Pomegranate Vegetable, fruiting, group 8-10 Food Crop PR#s: 12942, 12941, 11754, 12940 Disclaimer: The trade names listed here are provided as a means to identify the chemical for which a tolerance has been established. […]
Registration Open for 2021 Food Use Workshop
Registration is now open for the 2021 Food Use Workshop! Research priorities for food residue studies, efficacy and crop safety research, as well as integrated solutions projects for 2022 will be identified during this four-day virtual workshop. This year's event will be held September 13 - 16 via Zoom. More information is available on our [...]
Executive Director Message – July 2021
Dear Friends, At the request of our administrative team at IR-4 headquarters, I am resuming my quarterly letter to keep you updated on the latest news and happenings here at the IR-4 Project. If you haven’t done so already, I encourage you to sign up for our email distribution list to receive the latest information [...]
Greenhouse Vegetable and Herb Growers Get New Tool for Common Pests
Chlorfenapyr approved by the EPA for use on additional crops Producers of greenhouse-grown vegetables and herbs have a new tool in the fight against thrips, mites and other insects thanks to efforts of the IR-4 Project. As resistance builds to pest management tools approved for use on basil, chives, cucumbers and small tomatoes grown in [...]
IR-4 Environmental Horticulture Team Responds to Presence of Box Tree Moth in the US
Recent confirmation of the presence of Box Tree Moth (BTM) in the United States has prompted IR-4’s Environmental Horticulture Program to respond with information for growers to help identify and eradicate the pest. Box Tree Moth (Cydalima perspectalis). Photograph by sarflondondunc and licensed under creative commons. In May, the Canadian Food Inspection Agency confirmed the [...]
Tolerance Success: MCPA
Federal Register Date: April 7, 2021 Active Ingredient: MCPA Trade Name(s): Curtail M Herbicide Crops/Crop Groups: Tea, Intermediate wheatgrass Food Crop PR#s: 12377, 12478 Disclaimer: The trade names listed here are provided as a means to identify the chemical for which a tolerance has been established. A trade name listed here may not be the […]
Tolerance Success: Spinosad
Federal Register Date: April 7, 2021 Active Ingredient: Spinosad Trade Name(s): Entrust SC Naturalyte Insect Control Crops/Crop Groups: Low growing berry except strawberry subgroup 13-07H, Celtuce, Dragon fruit, Florence fennel, Kohlrabi, Leaf petiole vegetable subgroup 22B, Head and stem Brassica vegetable group 5-16, Leafy vegetable group 4-16 Food Crop PR#s: 11514, 12740, 12741, 12742, 12743, […]
Tolerance Success: Spinetoram
Federal Register Date: April 7, 2021 Active Ingredient: Spinetoram Trade Name(s): Delegate, Radiant Crops/Crop Groups: Low growing berry except strawberry subgroup 13-07H, Celtuce, Dragon fruit, Florence fennel, Kohlrabi, Leaf petiole vegetable subgroup 22B, Head and stem Brassica vegetable group 5-16, Leafy vegetable group 4-16 Food Crop PR#s: 11514, 12732, 12733, 12734, 12735, 12736, 12737, 12738, […]
Coffee Rust Attacks Hawaii Coffee Trees; IR-4 Fights Back
Since its first known discovery in Kenya in the mid-nineteenth century, coffee rust has been spreading around the world. Traveling throughout the rest of Africa and Asia, and finally heading west to South America, Hemileia vastatrix wiped out or severely impacted all the major coffee-growing areas around the world except for one: Hawaii. Coffee rust [...]