New Formulations Abound in 2021 Crop Protection Registrations

Combinations of familiar pesticides and enhanced formulations with new chemistry offer growers new tools for this year’s growing season.

This list of new products was assembled by editors of No-Till Farmer, who remind growers to always check for their specific state regulations regarding the use of any crop protection products.

WEED CONTROL


Corn growers have a new choice for 2021 in AMVAC Chemical Corp.’s Impact Core herbicide, which provides a quick takedown and long-term residual control of grasses and broadleaves in a range of field conditions.

Based on the proven effectiveness of Impact herbicide chemistry aimed at herbicide-resistant grasses and broadleaf weeds such as waterhemp, Palmer amaranth and giant ragweed, Impact Core contains an industry-leading level of acetochlor in a long-lasting, stable formulation for extended periods of control. It is registered for in-crop use on field corn (grain, silage and seed) and popcorn.

Impact Core contains topramezone (Group 27) foliar herbicide which controls susceptible weeds by inhibiting carotenoid biosynthesis causing a breakdown of chlorophyll and death of the targeted weed. Topramezone also provides limited but observable residual soil activity on weeds.

In addition, the soil residual herbicide acetachlor (Group 15) is included to inhibit root and shoot growth in susceptible germinating seeds before or shortly after they emerge. 


AMVAC also has registered Sinate as a new postemergence tool to fight herbicide-resistance in weeds in LibertyLink field corn and sweet corn such as waterhemp and giant ragweed, with two modes of action from Impact Herbicide and glufosinate.

The use of topramezone (Group 27) is non-volatile with selective, systemic, foliar activity as well as limited residual soil activity, while glufosinate…

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Dan crummett 0618

Dan Crummett

Dan Crummett has more than 35 years in regional and national agricultural journalism including editing state farm magazines, web-based machinery reporting and has an interest in no-till and conservation tillage. He holds B.S. and M.S. degrees from Oklahoma State Univ.

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