Enhancement of tolpyralate efficacy with adjuvants

نویسندگان

چکیده

Abstract Tolpyralate is a 4-hydroxyphenylpyruvate dioxygenase–inhibiting herbicide that applied postemergence for control of annual broadleaf and grass weeds in corn. Current Canadian label recommendations tolpyralate specify the addition methylated seed oil (MSO) adjuvant (MSO Concentrate®) improved weed control. The efficacy with other proprietary adjuvants has not been widely reported peer-reviewed literature. Therefore, four field trials were conducted corn over 2020 2021 Ontario, Canada, to evaluate MSO Concentrate®, Agral® 90 (nonionic surfactant), Assist® Oil Concentrate (blended Carrier® LI 700® Merge® surfactant) as weeds. At 8 wk after application (WAA), 90, Concentrate, Carrier®, or controlled velvetleaf, wild mustard, barnyardgrass, foxtail species similarly. These also enhanced similarly common ragweed at WAA exception was inferior Merge®. WAA, lambsquarters greatest when Merge®; these superior Concentrate. ragweed, less than tested; compared without an adjuvant. Overall, either all greater WAA.

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ژورنال

عنوان ژورنال: Weed Technology

سال: 2022

ISSN: ['1550-2740', '0890-037X']

DOI: https://doi.org/10.1017/wet.2022.14