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Toxicity of Soil-Incorporated Trifluralin to Johnsongrass (Sorghum halepense) Rhizomes

Published online by Cambridge University Press:  12 June 2017

R. W. Millhollon
R. W. Millhollon*
Affiliation:
Res. Agron., Agric. Res. Serv., U. S. Dep. Agric., U. S. Sugarcane Field Lab., Houma, LA 70361
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Abstract

Rhizomes of johnsongrass [Sorghum halepense (L.) Pers.], cut into 2.5-cm or 15-cm lengths, were planted in the field within and below a 7.5-cm layer of soil mixed with trifluralin (a,a,a-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine) at 0, 1.7, or 3.4 kg/ha. When planted 3.8- and 10-cm deep in nontreated soil, survival was 90% and 69%, respectively, for the longer rhizomes and only 39% and 10%, respectively, for the shorter ones. When planted within trifluralin-treated soil, 95% and 100% of the shorter rhizomes and 54% and 81% of the longer rhizomes were killed at 1.7 and 3.4 kg/ha, respectively. When planted below treated soil, only 11% or 19% of the longer rhizomes were killed. The shorter rhizomes planted below the treated soil survived at less than 10%.

Type
Research Article
Information
Weed Science , Volume 26 , Issue 2 , March 1978 , pp. 171 - 174
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

Literature Cited

1. Hull, R. J. 1970. Germination control of Johnsongrass rhizome buds. Weed Sci. 18:118–121.CrossRefGoogle Scholar
2. Lytle, S. A., McMichael, C. V., Green, T. W., and Francis, E. L. 1960. Soil survey of Terrebonne Parish, Louisiana. U. S. Dep. Agric. Serv. 1956 (No. 1). 43 p.Google Scholar
3. McWhorter, C. G. and Hartwig, E. E. 1965. Effectiveness of pre-planting tillage in relation to herbicides in controlling johnsongrass for soybean production. Agron. J. 57:385–389.CrossRefGoogle Scholar
4. McWhorter, C. G. 1974. Johnsongrass control in soybeans with trifluralin and nitralin. Weed Sci. 22:111–115.CrossRefGoogle Scholar
5. Millhollon, R. W. 1973. Soil-incorporated trifluralin for controlling weeds in sugarcane. Proc. Am. Soc. Sugarcane Technol. 2(NS):41–44.Google Scholar
6. Millhollon, R. W. 1977. Seasonal germination pattern of Rottboellia exaltata and control with trifluralin and terbacil. Proc. Int. Soc. Sugarcane Technol. 16:(In press).Google Scholar
7. Standifer, L. C. and Thomas, C. H. 1965. Response of johnsongrass to soil-incorporated trifluralin. Weeds 13:302–306.CrossRefGoogle Scholar