Full TGIF Record # 13477
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Harker, Neil K.; Dekker, Jack
Author Affiliation:Crop Science Department, Univ. Guelph
Title:Temperature Effects on Translocation Patterns of Several Herbicides within Quackgrass (Apropyron repens)
Source:Weed Science. Vol. 36, No. 5, September 1988, p. 545-552.
Publishing Information:Champaign, IL: Weed Science Society of America
Keywords:TIC Keywords: Elymus repens; Rhizomes; Buds; Sucrose; Glyphosate; Sethoxydim; Cloproxydim; Fluazifop; Haloxyfop; Quizalofop; Graminicide
Abstract/Contents:"A growth cabinet study was conducted to evaluate the effect of temperature on the distribution of several herbicides in quackgrass. Uniformly labeled 14C-sucrose and the radiolabeled herbicides glyphosate, sethoxydim, cloproxydim, the butyl ester of quizalofop were applied to quackgrass grown at three day/night temperature regimes (10/5, 20/15, and 30/25 C). Seven days after treatment the plants were harvested, lyophilized, and later sectioned, mapped, and oxidized in preparation for 14C quantification. Quackgrass rhizome growth was more vigorous at 20/15 than 30/25 or 10/5 C. Of the herbicides tested, haloxyfop was the most inhibitory to rhizome growth. Temperature increases from 10/5 to 20/15 or from 20/15 to 30/25 C resulted in more translocation to rhizomes depending on the chemical applied. At all three temperature regimes, more 14C was recovered from distal and basal buds of plants treated with 14C-sethoxydim. In contrast, at all three temperature regimes, similar amounts of 14C were recovered from the distal and basal buds of plants treated with 14C-sucrose."
Language:English
References:23
Note:Pictures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Harker, N. K., and J. Dekker. 1988. Temperature Effects on Translocation Patterns of Several Herbicides within Quackgrass (Apropyron repens). Weed Sci. 36(5):p. 545-552.
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