New Herbicide From Syngenta Receives EPA Registration
June 4, 2015 Syngenta’s new Broadworks herbicide is the first HPPD inhibitor approved by the EPA in tree nuts, citrus, and stone fruit.
Broadworks is a systemic herbicide, taken up by the leaves, shoots, or roots and is translocated in both the xylem and the phloem, complex tissues that perform transportation of food and water in a plant. Within 24 hours of application, as much as 88% of the applied material is translocated out of the treated zone and is distributed throughout the plant.
Broadworks’ mode of action inhibits a plant enzyme called hydroxyphenylpyruvate dioxygenase (HPPD) that is essential to photosynthesis and prevents formation of carotenoids in susceptible plant species. Without carotenoids, light energy and by-products of photosynthesis will destroy chlorophyll and cell membranes. This results in bleaching of leaves, followed by necrosis and death of the plant.
“Broadworks will bring a new mode of action to the table for citrus, tree nut and stone fruit growers concerned about managing glyphosate-resistant broadleaf weeds,” John Foresman, product lead for Syngenta says. “It will provide growers a much-needed new tool for handling an increasingly challenging weed-management landscape.”
The new herbicide boasts control in glyphosate-resistant weeds such as marestail and fleabane. It also controls broadleaf weeds and grasses.
With a single active ingredient, Broadworks enables flexibility when choosing tank-mix partners, by fitting in a program with other modes of action to create a full-season weed control program.
“Broadworks is going to be a really good partner for a number of other herbicides in the market,” Brad Hanson, cooperative Extension weed specialist at University of California-Davis said. “I see it as a really useful tool for a grower that takes a programmatic approach to weed control.”
The active ingredient in Broadworks will provide broad-spectrum and systemic activity on broadleaf weed species with demonstrated crop safety. When tank-mixed, Broadworks also provides enhanced burndown and residual weed control.
Source: Syngenta
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