Full TGIF Record # 37890
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Vollmer, Joseph G.; Vollmer, Jennifer L.
Author Affiliation:Senior Market Devlopment Specialist and Agriculturalist, American Cyanamid Company, P.O. Box 577, Frankfort, OH 45628
Title:Tolerance of wildflowers to imazameth
Meeting Info.:December 7-9, 1993, Kansas City, MO
Source:Proceedings of the North Central Weed Science Society. Vol. 50, 1995, p. 120-121.
# of Pages:2
Publishing Information:Champaign, IL: North Central Weed Science Society
Keywords:TIC Keywords: Imazameth; Wildflowers; Resistance; Application rates
Abstract/Contents:"The purpose of this research was to identify wildflower species tolerant to imazameth with the objective to create a tolerant wildflower premix. Wildflower mixes are currently selected for hardiness and not necessarily beauty due to the poor competitiveness of the wildflowers with common weeds. Use of imazameth, with efficacy on common wildflower bed weeds, would allow growers to establish a wide range of species and maintain their beauty. Premixes of imazameth tolerant wildflower species would make it easy for end users, such as DOTs, DNR, Cities, Counties, State and Federal Park Systems, and other similar groups, to select wildflowers. Wildflower distributors agree that establishment and maintenance stands is without a doubt a major issue in selecting species. Imazamth at 0.063, 0.094, 0.125 and 0.188 lbs ai/a were tested pre- and postemergence on 40 seedling wildflowers. The test was conducted in Circleville, OH with wildflowers planted in rows, across three replications. Wildflowers tolerant to both pre- and postemergence treatments of imazameth at 0.188 lbs ai/a were two cosmos species, ox-eye daisy, Shasta daisy, and black-eyed Susan. Red corn poppy, plains coreopsis and purple coneflower were tolerant to 0.188 lbs ai postemergence and 0.125 lbs ai/a imazemeth preemergence. Only crimson clover was more tolerant to imazameth pre, 0.188 lbs ai, than the post application, 0.094 lbs ai/a. Wildflowers tolerant to only post imazameth applications at less than or equal to 0.063 lbs ai were lemon mint, catchfly and blue flax; to 0.094 lbs ai was Indian blanket; to 0.125 lbs ai were Bishop's flower, bird's eyes and gold yarrow; and to 0.188 lbs ai/a were upright praire cornflower, blanket flower and corn flower. Wildflowers tolerant to preemergence applicaations were perennial lupine at 0.188 lbs ai, and corn poppy and Johnny-jump-ups at 0.125 lbs ai/a. These latter three species were out competed or has senesced prior to the first post evaluation.
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vollmer, J. G., and J. L. Vollmer. 1995. Tolerance of wildflowers to imazameth. Proc. North Cent. Weed Sci. Soc. 50:p. 120-121.
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