In order to prevent herbicide damage in young trees, especially from postemergence herbicide, standard pomological practice is to apply white latex paint to the bottom 2 to 3 feet of trunk of newly planted trees, before applying herbicides. While this may provide some level of protection, research to support this practice is lacking. In order to assess the efficacy of white latex paint in mitigating herbicide damage, a field experiment was conducted in Arbuckle, CA to evaluate the impacts of latex paint on herbicide injury in young almond trees.
From the Topics in Subtropics blog (Oct. 15, 2018)
Although the main objective of herbicide use in avocado orchards (and all crops) is to manage weed populations, sometimes unintentional injury of the crop itself can occur when herbicides are incorrectly applied. Herbicide injury in avocado can reduce yield, decrease fruit, reduce plant vigor, increase susceptibility to diseases and pests, and sometimes result in plant death. Common situations resulting in injury include spray drift, tank contamination, application of the...
- Author: Brad Hanson
UCIPM Press Release:
New UC IPM photo repository shows plant damage from herbicides
January 9, 2015 – Davis, California
Identifying nontarget crop and ornamental plant damage from herbicides has become much easier, with the launch of a new online photo repository by the Statewide IPM Program, University of California Division of Agriculture and Natural Resources.
Dr. Kassim Al-Khatib, weed science professor at UC Davis and director of the UC Statewide Integrated Pest Management Program (UC IPM), has gathered nearly a thousand...
- Author: Brad Hanson
I was forwarded this great article written by Barry Tickes, an Area Agricultural Agent with the Yuma Ag Center and part of the University of Arizona and Arizona Agricultural Experiment Station.
- Author: Oleg Daugovish
Growers and pest control advisors look at strawberry plants daily and see problems often. Some problems like salt injury are frequent while others, like frost injury are only seen once in a few years. With over 60 pathological, physiological and nutritional problems it is important not to overlook injury from herbicides. In collaboration with UC strawberry workgroup members we recently launched a bi-lingual web site that displays injuries and disorders from chemical and other causes.
The site is a work in progress as we continue to add images of problems, translation into Spanish and update the content of existing pages with new information. We hope that with improved access to images and descriptions the site can be useful in...