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Hexazinone and Other Herbicides on Texas Woody Plants

Published online by Cambridge University Press:  12 June 2017

R. E. Meyer  and
R. W. Bovey
R. E. Meyer
Affiliation:
Agric. Res., Sci. Ed. Admin., U.S. Dep. Agric., Dep. Range Sci., Texas A&M Univ., College Station, TX 77843
R. W. Bovey
Affiliation:
Agric. Res., Sci. Ed. Admin., U.S. Dep. Agric., Dep. Range Sci., Texas A&M Univ., College Station, TX 77843
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Abstract

Hexazinone [3-cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-triazine-2,4(1H,3H)-dione] was applied to honeylocust (Gleditsia triacanthos L.), honey mesquite [Prosopis juliflora (Swartz) DC. var. glandulosa (Torr.) Cockerell], huisache [Acacia farnesiana (L.) Willd.], live oak (Quercus virginiana Mill.), Macartney rose (Rosa bracteata Wendl.), post oak (Quercus stellata Wangenh.), saw greenbrier (Smilax bona-nox L.), whitebrush (Aloysia lycioides Cham.), and yaupon (Ilex vomitoria Ait.). Bromacil (5-bromo-3-sec-butyl-6-methyluracil) and tebuthiuron {N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N′-dimethylurea} were used for comparison in some experiments. Hexazinone was required at the following rates to kill at least 75% of the following species: 1.1 kg/ha for live oak, 2.2 kg/ha for post oak, 4.5 kg/ha for huisache (at Bryan, Texas) and whitebrush, and 9 kg/ha for honeylocust. Hexazinone was ineffective at 9 kg/ha for control of honey mesquite, huisache (at Washington, Texas), Macartney rose, saw greenbrier, and yaupon. Tebuthiuron at 1.1 kg/ha killed 80% of the live oak, and as a subsurface spray at 4.5 kg/ha, killed huisache (at Washington, Texas). Bromacil was effective on huisache at 9 kg/ha.

Keywords

Honey mesquitehuisachelive oakMacartney rosepost oakWhitebrushyaupon
Type
Research Article
Information
Weed Science , Volume 28 , Issue 3 , May 1980 , pp. 358 - 362
Copyright
Copyright © Weed Science Society of America 

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References

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