A Study on the mixing of Tiafenacil (30% SC, 70% WG) with surfactant for Stable Effi cacy
2023
Park, S.J. | Oh, T.H. | Park, S.H. | Kim, K.S.
Tiafenacil (brand name: Terrad’or ®) is a non-selective herbicide developed by Farmhannong. There are various products containing tiafenacil. Especially Tiafenacil 30% SC and Tiafenacil 70% WG have been aiming to be commercialized for Global market. These herbicides containing high content of active ingredient do not have surfactants comparing other herbicides registered in Korea. Therefore, additional surfactants should be tank-mixed for exhibiting stable efficacy. In this study, we verified enhanced effect of Tiafenacil 30% SC and Tiafenacil 70% WG by mixing surfactant. Tiafenacil 5% SC, a product pre-mixed with a surfactant, was used as control. Siloxane 30% SL was used as the surfactant in the study. The control effi cacy was evaluated by visual inspection on Digitaria ciliaris , Echinochloa crus-galli, Trifolium repens , Cyperus microiria , Erigeron annuus , Chenopodium album var. centrorubrum , Portulaca oleracea . Without Siloxane 30% SL, Tiafenacil 30% SC and Tiafenacil 70% WG showed the low effi cacy on Digitaria ciliaris , Echinochloa crus-galli , Chenopodium album var. centrorubrum . However, its effi cacy increased to the same level of the comparative herbicide when Siloxane 30% SL was added.
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