Full TGIF Record # 22962
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Shaw, David R.; Wesley, M. Todd
Author Affiliation:M. Todd Wesley is an Associate Professor and Graduate Res. Asst. at the Department of Plant Pathology and Weed Science at Mississippi State University
Title:Wheat (Triticum aestivum) cultivar tolerance and Italian ryegrass (Lolium multiflorum) control with diclofop, BAY SMY 1500, and metribuzin
Source:Weed Technology. Vol. 5, No. 4, October-December 1991, p. 776-781.
Publishing Information:Champaign, IL: Weed Science Society of America.
Keywords:TIC Keywords: Triticum aestivum; Lolium multiflorum; Herbicides; Application timing
Abstract/Contents:In the field, 14 soft red winter wheat cultivars responded differently to 1.1 kg ai ha-1 diclofop, 1.7 kg ai ha-1 BAY SMY 1500, and 0.42 kg ai ha-1 metribuzin applied POST. Diclofop and metribuzin did not injure any cultivar more than 10% on a silty clay soil. However, BAY SMY 1500 injured 'Pioneer 2551' and 'Coker 983' 39 and 21% respectively, in March. All other cultivars were injured less than 10% by BAY SMY 1500. Early injury did not translate into yield loss in the cultivar tolerance study. In an application timing study for Italian ryegrass control, late season ratings indicated better control with two-leaf applications than with PRE applications for all treatments. Delaying application to the three-tiller stage reduced control with BAY SMY 1500 or metribuzin, but not with diclofop. On the sandier soil at this location, wheat injury with 0.28 or 0.43 kg ha-1 metribuzin or 2.2 kg ha-1 BAY SMY 1500 was sufficient to reduce wheat yield compared with other treatments, despite good Italian ryegrass control.
Language:English
References:20
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shaw, D. R., and M. T. Wesley. 1991. Wheat (Triticum aestivum) cultivar tolerance and Italian ryegrass (Lolium multiflorum) control with diclofop, BAY SMY 1500, and metribuzin. Weed Technol. 5(4):p. 776-781.
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