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: Environmental Horticulture Program
Mefentrifluconazole Crop Safety – 2021
Mefentrifluconazole is a new fungicide being developed by BASF for the control of foliar diseases of environmental horticulture crops. The IR-4 Project completed 24 crop safety trials
Thielaviopsis Efficacy Summary – 2021
From 2003 to 2020, numerous products representing 35 active ingredients were evaluated in greenhouse experiments as soil drenches against Thielaviopsis basicola causing black root rot
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. […]
Pydiflumetofen + Difenoconazole Crop Safety – 2021
Pydiflumetofen + Difenoconazole is a new fungicide being developed for the control of foliar diseases of environmental (aka ornamental) horticulture crops. The IR-4 Project completed
Pydiflumetofen + Fludioxanil Crop Safety – 2021
Pydiflumetofen + Fludioxonil is a new fungicide being developed for the control of foliar and soil-borne diseases of environmental (aka ornamental) horticulture crops. The IR-4 Project completed
Crop Vignette: Crapemyrtle
Plant Information Lagerstroemia or crape myrtle is a genus of about 50 species of deciduous and evergreen trees and shrubs in the family Lythraceae, that are native to the Indian subcontinent, southeast Asia, northern Australia and parts of Oceania, cultivated in warmer climates around the world. The most popular species, Lagerstroemia indica, arrived in England […]
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 [...]
Crop Vignette: Impatiens
Plant Information Impatiens is a genus of more than 1,000 flowering plants in the family Balsaminaceae widely distributed throughout the Northern Hemisphere and the tropics. Most Impatiens species occur in the tropical and subtropical mountain forests in Africa, Madagascar, the Himalayas, the Western Ghats (southwest India), and Southeast Asia. Two species (I. turrialbana and I. […]
Indaziflam Crop Safety – 2021
From 2011 through 2020, IR-4 has completed 159 trials evaluating two granular and one liquid formulations of indaziflam for crop safety. The data contained in this report was generated to