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Tomato (Lycopersicon esculentum) Tolerance to Diphenyl Ether Herbicides Applied Postemergence

Published online by Cambridge University Press:  12 June 2017

John B. Masiunas*
Affiliation:
Dep. Hortic., Univ. Ill., Urbana, IL 61801

Abstract

Tolerance of tomato cultivars to diphenyl ether herbicides applied postemergence was determined in greenhouse and field experiments. In greenhouse experiments, tomato cultivar tolerance differed, but acifluorfen injured all genotypes. ‘Carmen’, ‘PetoPride 2’ and ‘Heinz 1350’ tolerated acifluorfen while ‘Advantage’, and ‘Red Plum’ were susceptible. Growth habit and tolerance to 1.1 kg ae/ha acifluorfen was significantly correlated (r2 = 0.24). Field-planted tomato cultivars' tolerance to diphenyl ether herbicides applied postemergence differed. Heinz 1350 and ‘Veeroma’ tolerated diphenyl ethers, while Advantage and Red Plum were susceptible. Potency of diphenyl ethers also varied with oxyfluorfen the most injurious and acifluorfen and fomesafen the least injurious.

Type
Research
Copyright
Copyright © 1989 by the Weed Science Society of America 

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