Full TGIF Record # 10628
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Chandrasena, Nimal R.; Sagar, Geoff R.
Author Affiliation:Former grad. student and Professor, School of Plant Biology, Univ. College of North Wales, Bangor, Gwynedd, U.K.
Title:The Effect of Site of Application of 14C-Fluazifop on Its Uptake and Translocation by Quackgrass (Agropyron repens)
Source:Weed Science. Vol. 35, No. 4, July 1987, p. 457-462.
Publishing Information:Champaign, IL: Weed Science Society of America
Keywords:TIC Keywords: Elymus repens; Uptake; Translocation; Fluazifop
Abstract/Contents:"The effect of site of application on uptake and translocation of the butyl ester of fluazifop {(+-) -2- [4- [[5-(trifluoromethyl) -2- pyridinyl] oxy] phenoxy] propanoic acid} by quackgrass [Agropyron repens(L.) Beauv. #3 AGRRE] was investigated using 14C-labeled herbicide and intact plants. Uptake and distribution of the label were significantly greater from the abaxial than from the adaxial surface of leaves. The addition of a nonionic surfactant 4 to the treatment soution increased the uptake significantly only through the adaxial surface. Uptake of 14C by the apical, middle, and basal regions of the treated leaf lamina did not differ significantly. However, movement of the 14C-label to stem areas and leaves both above and below treated leaves was greater from lamina base applications than from treatments to the lamina apex and middle. The older leaves absorbed more herbicide than did younger leaves, but the pattern of translocation did not differ. Considerably greater translocation occurred from treatments to the outside of the leaf sheaths in the lower regions of the stem than from applications to the upper leaf sheaths, with the 14C-label moved to young and old leaves, roots, and rhizomes. Uptake from applications to the outside of the upper leaf sheaths also resulted in improved translocation mainly within the stem areas and into upper leaves."
Language:English
References:20
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chandrasena, N. R., and G. R. Sagar. 1987. The Effect of Site of Application of 14C-Fluazifop on Its Uptake and Translocation by Quackgrass (Agropyron repens). Weed Sci. 35(4):p. 457-462.
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