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Absorption and Translocation of Sulfometuron-Methyl in Sugarcane (Saccharum Officinarum L.) at Different Growth Stages

Absorption and Translocation of Sulfometuron-Methyl in Sugarcane (Saccharum Officinarum L.) at Different Growth Stages

Juliana Stéfani Jabur De Assis, Valdemar Luiz Tornisielo, Fabricia Cristina Dos Reis, Bianca A B Martins, Roberto Estevão Bragion Toledo, Ricardo Victória Filho

J Environ Sci Health B. 2018;53(11):746-750.

PMID: 29883252

Abstract:

In Brazil, weed management in sugarcane fields is mainly done with the use of selective herbicide formulations. For many years, diuron+hexazinone was one of the main herbicide mixture formulations used in sugarcane. Later, sulfometuron-methyl was included in the same mixture, which was marketed as a new herbicide formulation for residual in-season weed control in sugarcane. The mixture diuron+hexazinone+sulfometuron-methyl has been widely used in commercial sugarcane fields in Brazil. However, recent field observations have shown that sugarcane plants at different growth stages varied in their phytotoxicity levels after treatment with diuron+hexazinone+sulfometuron-methyl. Greenhouse and laboratory studies were conducted to determine 14Csulfometuron-methyl absorption and translocation, as well as 14C distribution in sugarcane at two growth stages, 2 to 3 leaves and 5 to 6 leaves. 14Csulfometuron-methyl absorption by sugarcane did not differ between the two growth stages. Different patterns of 14C accumulation were observed, which may explain variations in sulfometuron-methyl phytotoxic responses observed in the field.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP74222972	Sulfometuron methyl		74222-97-2	Price

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