 |  |  |  |  |  |  |  |  |
Below you'll find a list of all posts that have been categorized as “Herbicides”
The Center for Food Safety on Dec. 13 petitioned the U.S. Environmental Protection Agency (EPA) to immediately suspend and cancel the herbicide glyphosate, the main ingredient in Monsanto’s Roundup. The center filed the petition on behalf of itself, Beyond Pesticides and four farmworker advocacy groups. Last year, in a lawsuit by the same nonprofit organizations, a federal court of appeals struck down …
Growers know the negative impacts of any kind stress on trees infected by HLB. That raised a question: Can injury from herbicides make fruit drop worse? Ramdas Kanissery, an assistant professor of weed science with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), conducted a research project to help answer that question. Kanissery discusses the research in …
By Ramdas Kanissery Weeds emerging in citrus rows are problematic as they compete for resources with the trees, support pests and interfere with grove operations like irrigation (Figure 1). Hence, effective strategies to control weed emergence should be in place. Pre-emergence (or residual) herbicides are an excellent tool for the long-term suppression of weeds in tree rows. These herbicides …
By Ramdas Kanissery Paraquat is an herbicide labeled for various crops, including citrus, for post-emergent weed control. When applied during the early growth stage, paraquat controls many annual grasses and broadleaf weeds commonly found in Florida citrus. Additionally, paraquat typically offers relatively good crop safety in citrus due to its lack of translocation in the plant. This makes it the …
By Ajia Paolillo If you use herbicides containing paraquat dichloride in your citrus groves, you must be aware of the use certification requirements for this product. In 2016, certifications and training for using this herbicide were put into place following the Environmental Protection Agency’s (EPA) risk mitigation requirements. Any person that uses paraquat must meet these requirements. The first requirement …
Florida and California specialty crop growers recently gathered for a virtual discussion presented by J.L. Farmakis, Inc. to talk about issues unique to their crops and regions. Citrus grower Lee Jones with Cross Covered Caretaking represented the Sunshine State. He shared some of the struggles and successes of growing citrus in Florida. Jones says one of the biggest challenges he …
By Ramdas Kanissery Tank-mixing different herbicides with multiple selectivity and modes of action will broaden the range of weeds controlled in a single application. Although it is an effective and popular strategy, when components (herbicide products and spray additives) in the tank mixes are not compatible with each other, the resulting combination can produce unintended and unsuccessful results. THINK BEFORE …
By Ramdas Kanissery, Rachel Fenn, Biwek Gairhe and Davie Kadyampakeni Chemical weed control, using herbicides to manage weeds, is an important production practice in citrus groves. Herbicides applied in groves can end up in the soils from direct spray hits, indirect or non-target spray movement (also known as drifts) or release from the dead weeds and vegetation. In soil, the …
A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher is trying to give growers more weed control options. The researcher, Ramdas Kanissery, says he wants the options to be more effective and economically viable as well as environmentally friendly. “We are introducing a concept: herbicide synergy,” says Kanissery, a horticulturist at the UF/IFAS Southwest Florida Research and …
“I’m in the process of information gathering now,” says Ramdas Kanissery, a new weed scientist at the Southwest Florida Research and Education Center (SWFREC) in Immokalee. “I’m traveling to several groves and looking at the weed problems.” A trained agricultural chemist, Kanissery began working at the SWFREC at the end of October 2016. His expertise is in understanding the fate, …
The herbicide active ingredient simazine (Princep®) is currently undergoing re-registration review by EPA. A crucial step in that process is the public comment period. EPA is now accepting public comments. It would be very helpful to include comments from end-users in the Florida citrus community, where simazine is an important weed management tool. Click here for concise background information and …
