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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Smith, G. R.;
Smith, K. L. |
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| Author Affiliation: | Texas A&M University Agricultural Research and Extension Center at Overton and Velsicol Chemical Corp. |
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| Title: | Stand Loss and Damage of Sod-Seeded Annual Clovers by Dicamba and Picloram Residue. |
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| Source: | Southern Weed Science Society Proceedings. Vol. 39, January 1986, p. 150. |
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| Publishing Information: | Nashville, TN: Southern Weed Science Society. |
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| Keywords: | TIC Keywords: Trifolium repens; Herbicides; Dicamba; Picloram
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| Abstract/Contents: | "Sod-seeded clovers may be damaged by herbicides which are used for weed control in warm season perennial grass pastures. A field study was conducted in east Texas on a Lilbert loamy fine sand (loamy, siliceous, thermic Arenic Plinthic Paleudult) soil to evaluate the response of subterranean (Trifolium subterraneum L.), crimson (T> incarnatum L.), arrowleaf (T. vesiculosum Savi), and white clover (T. repens L.) to residual herbicide from 4 application dates and 3 rates each of picloram and dicamba. Application dates were 120, 90, 60, and 30 days prior to clover planting on Oct. 12, 1985. Dicamba + 2,4-D (1:3) was applied at 0.56, 1.12, and 2.24 kh/ha and picloram + 2,4-D (1:4) at 0.35, 0.69, and 1.40 kg/ha. Plots were evaluated for stand and crop damage 14, 50, and 150 days after planting. Picloram applied 60 or 30 days before clover planting at 0.69 and 1.40 kg/ha reduced stands of all clovers. Picloram applied 60 days before planting at 0.69 kg/ha reduced stands to 47.5, 55.0, 41.3, and 6.3% for arrowleaf, crimson, white and sub clover, respectively. Dicamba caused no stand reduction greater than 8% for any clover species, herbicide rate or application date treatment combination. Moderate damage was noted 14 days after planting on sub clover in plots treated with 2.24 kg/ha dicamba. Only minor dicamba damage was found on the other clover species at 14 days. Fifty days after planting, dicamba damage was no longer evident. Moderate to severe picloram damage was noted on all clovers at 14 days. Picloram damage was still evident 150 days after planting and ranged from minor to severe depending on interaction of application date, rate and clover species. Stand reduction and damage of arrowleaf, crimson, and white clover was minor on plots treated with 0.35 kg/ha picloram. No clear trends were seen for application date effects." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smith, G. R., and K. L. Smith. 1986. Stand Loss and Damage of Sod-Seeded Annual Clovers by Dicamba and Picloram Residue.. South. Weed Sci. Soc. Proc. 39:p. 150. |
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MSU catalog number: SB 611 .S6 |
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