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.
Category: News
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 [...]
Crop Vignette: Daylilies
Plant Information Daylilies are flowering plants in the genus Hemerocallis, a member of the family Asphodelaceae. Their scientific name, Hemerocallis, is from the Greek hemeros, a day, and kallos, meaning beauty, because the flowers are only open a single day. Despite the name, daylilies are not true lilies, although the flower has a similar shape. […]
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 [...]
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 [...]
IR-4 Project Facilitating Two Studies to Track and Mitigate Invasive Pests
Two multi-institutional research studies will soon be underway
Botrytis Efficacy Summary – 2021
At the IR-4 Environmental Horticulture Program Workshop in 2011, Botrytis Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.
SOAR Award: Nomination Deadline Extended to April 19
The IR-4 Project is now accepting nominations for the 2021 SOAR Award. This award honors external partners who exemplify the areas of Service, Outreach, Altruism and Research, while supporting specialty crop growers and the mission of the IR-4 Project. If you know someone who demonstrates excellence in these areas, we encourage you to nominate them for this award. Nominees […]