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Postemergence Control of Wild Garlic (Allium vineale) in Turfgrass

Published online by Cambridge University Press:  12 June 2017

Gregory P. Ferguson ,
G. Euel Coats ,
Galen B. Wilson  and
David R. Shaw
Gregory P. Ferguson
Affiliation:
Dep. Plant Pathol. and Weed Sci., Miss. State Univ., Mississippi State, MS 39762
G. Euel Coats
Affiliation:
Dep. Plant Pathol. and Weed Sci., Miss. State Univ., Mississippi State, MS 39762
Galen B. Wilson
Affiliation:
Dep. Plant Pathol. and Weed Sci., Miss. State Univ., Mississippi State, MS 39762
David R. Shaw
Affiliation:
Dep. Plant Pathol. and Weed Sci., Miss. State Univ., Mississippi State, MS 39762
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Abstract

Experiments were conducted to evaluate imazaquin and selected herbicides for POST control of wild garlic. At the same dosages, imazaquin applied in late November/early December (late fall) controlled wild garlic better than when applied in early March (late winter) when assessed in May. Imazaquin provided control equivalent to 1120 g ae ha–1 2,4-D plus imazaquin. Imazapyr, imazamethabenz, or imazethapyr at 280, 1120, or 560 g ai ha–1, respectively, provided control equivalent to 560 g ai ha–1 imazaquin. Thifensulfuron at 70 g ai ha–1 provided better control applied in late winter (85%) than late fall (45%). All herbicides consistently provided better control than 2,4-D plus mecoprop plus dicamba, except thifensulfuron applied in late fall, at the final evaluation. Common bermudagrass growth in early spring was delayed 2 mo by ≥ 560 g ha–1 imazaquin, 70 g ha–1 thifensulfuron, imazethapyr, and imazapyr or 2,4-D plus mecoprop plus dicamba applied in late winter. Imazamethabenz did not delay common bermudagrass growth. Late fall applications of 1120 g ha–1 imazaquin did not delay growth while ≥ 560 g ha–1 imazethapyr delayed common bermudagrass growth through April.

Keywords

2,4-D, (2,4-dichlorophenoxy)acetic aciddicamba, 3,6-dichloro-2-methoxybenzoic acidimazamethabenz, (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-4(and 5)-methylbenzoic acid (3:2)imazapyr, (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acidimazaquin, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acidimazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acidmecoprop, (±)-2-(4-chloro-2-methylphenoxy)propanoic acidthifensulfuron, 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino] sulfonyl]-2-thiophenecarboxylic acidwild garlic, Allium vineale L. ♯ ALLVIbermudagrass, Cynodon dactylon (L.) Pers. ‘common’2,4-DdicambaimazamethabenzimazapyrimazaquinimazethapyrmecopropthifensulfuronCynodon dactylonALLVI
Type
Research
Information
Weed Technology , Volume 6 , Issue 1 , March 1992 , pp. 144 - 148
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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