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Toxicity and Translocation of Sethoxydim in Bermudagrass (Cynodon dactylon) as Affected by Environment

Published online by Cambridge University Press:  12 June 2017

Gene D. Wills
Gene D. Wills*
Affiliation:
Delta Branch of the Mississippi Agric. and For. Exp. Stn., Stoneville, MS 38776
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Abstract

Toxicity and translocation of nonradiolabeled and translocation of 14C-labeled sethoxydim {2-[1-(ethoxyimino)-butyl]-5-[2-(ethylthio)-propyl]-3-hydroxy-2-cyclohexen-1-one} in common bermudagrass [Cynodon dactylon (L.) Pers. ♯3 CYNDA] were evaluated for foliar treated plants grown 2 or 4 days under controlled environmental conditions. Nonradiolabel treated plants were further grown in the greenhouse for the remainder of 3 weeks. Shoot injury of intact plants was greatest (90%) and regrowth of plants clipped after 2 days treatment each was least (< 5%) at 35 C and 100% RH. At 35 C and 40% RH and at 18 C (40 and 100% RH), shoot injuries were 60 to 68%, regrowth in lengths were 82 to 87%, and in fresh weights were 55 to 74%, respectively. After 2 days treatment, absorption of 14C-activity was greatest (70%) at 35 C and 100% RH, moderate (56%) at 35 C and 40% RH, and least (33 to 43%) at 18 C and 40 and 100% RH, respectively. At 35 C, translocation was approximately 4 fold greater at 100% and 2 fold greater at 40% RH than at 18 C at either RH. Autoradiography indicated the greatest distribution of the radiolabel at 35 C.

Keywords

Herbicideweed controlair temperaturerelative humidityherbicide absorptionCYNDA
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 32 , Issue 1 , January 1984 , pp. 20 - 24
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

Literature Cited

1. Burton, G. W. 1967. Bermudagrass. Pages 270–280 in Hughes, H. D., Heath, M. E., and Metcalfe, D. S., eds. Forages, The Science of Grassland Agriculture. The Iowa State University Press, Ames, IA.Google Scholar
2. Campbell, J. R. and Penner, D. 1981. Absorption and translocation of BAS 9052 OH 2-[1-(ethoxyimino)-butyl]-5-[2-(ethylthio)-propyl]-3-hydroxy-2-cyclohexen-1-one. Abstr. Weed Sci. Soc. Am. p. 108.Google Scholar
3. Crafts, A. S. and Yamaguchi, S. 1964. The autoradiography of plant materials. Calif. Agric. Exp. Stn. and Ext. Serv. Manual 35, 143 pp.Google Scholar
4. Hoagland, D. R. and Arnon, D. I. 1950. The water-culture method for growing plants without soil. Calif. Agr. Exp. Stn. Circ. 347.Google Scholar
5. Holm, L. G., Plucknett, D. L., Pancho, J. V., and Herberger, J. P. 1977. The World's Worst Weeds: Distribution and Biology. University Press of Hawaii, Honolulu. 609 pp.Google Scholar
6. Jordan, T. N. 1977. Effects of temperature and relative humidity on the toxicity of glyphosate to bermudagrass (Cynodon dactylon). Weed Sci. 25:448–451.CrossRefGoogle Scholar
7. Kurtz, M. E. 1983. Experimental herbicides for bermudagrass control in cotton. Proc. South. Weed Sci. Soc. 36:36.Google Scholar
8. Kurtz, M. E. and Hurst, H. R. 1982. Bermudagrass control in cotton with fall, spring, and summer applications of herbicides. Proc. South. Weed Sci. Soc. 35:21.Google Scholar
9. McWhorter, C. G. 1979. The effect of surfactant and environment on the toxicity of metriflufen to soybeans (Glycine max) and johnsongrass (Sorghum halepense). Weed Sci. 27:675–679.Google Scholar
10. McWhorter, C. G. and Azlin, W. R. 1978. Effects of environment on the toxicity of glyphosate to johnsongrass (Sorghum halepense) and soybeans (Glycine max). Weed Sci. 26:605–608.CrossRefGoogle Scholar
11. McWhorter, C. G. and Jordan, T. N. 1976. Effects of adjuvants and environment on the toxicity of dalapon to johnsongrass. Weed Sci. 24:257–260.CrossRefGoogle Scholar
12. McWhorter, C. G., Jordan, T. N., and Wills, G. D. 1980. Translocation of 14C-glyphosate in soybeans (Glycine max) and johnsongrass (Sorghum halepense). Weed Sci. 28:113–118.Google Scholar
13. Nalewaja, J. D., Pudelko, J., and Admezewski, K. A. 1975. Influence of climate and additives on bentazon. Weed Sci. 23:504–507.Google Scholar
14. Prasad, R., Foy, C. L., and Crafts, A. S. 1967. Effect of relative humidity on absorption and translocation of foliarly applied dalapon. Weeds:149–156.Google Scholar
15. Wills, G. D. 1976. Translocation of bentazon in soybeans and common cocklebur. Weed Sci. 24:536–540.Google Scholar
16. Wills, G. D. 1983. Effect of herbicides on bermudagrass biotypes. Proc. Beltwide Cotton Prod. Res. Conf. 7:244–245.Google Scholar
17. Wills, G. D. and Jordan, P. M. 1981. Factors affecting toxicity and translocation of metriflufen in cotton (Gossypium hirsutum). Weed Sci. 29:308–313.CrossRefGoogle Scholar
18. Wills, G. D. and McWhorter, C. G. 1981. Effect of environment on the translocation and toxicity of acifluorfen to showy crotalaria (Crotalaria spectabilis). Weed Sci. 29:397–401.Google Scholar