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Growth and Water use by Common Cocklebur (Xanthium pensylvanicum) and Soybeans (Glycine max) Under Field Conditions

Published online by Cambridge University Press:  12 June 2017

R. D. Geddes ,
H. D. Scott  and
L. R. Oliver
L. R. Oliver
Affiliation:
Univ. of Arkansas, Fayetteville, AR 72701
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Abstract

The competitive effects of common cocklebur (Xanthium pensylvanicum Wallr.) on soybean [Glycine max (L.) Merr. ‘Lee 74′] were studied on Peridge silt loam during 1975 and 1976. Interspecific competition reduced the dry matter (DM) and leaf area of the individual plants in comparison to the plants grown under intraspecific conditions. Twelve weeks after emergence the percentage reductions in DM and leaf area due to interspecific competition were similar, were greater in common cocklebur than soybeans, and were greater in the dry year (1976) than in the wet year (1975). The root systems of both species varied with plant age, soil depth, and seasonal moisture. In general, the density of roots of both species was greatest in the soil profile at a depth interval of 0 to 13 cm and in the dry year more roots were found deeper in the soil. Extraction of soil water began in mid-July at the 91-cm depth and in late July at the 137-cm depth. Roots of common cocklebur and of the interspecific treatment explored a greater volume of soil for water than did those of soybeans. The total amount of water used by a pure stand of soybeans and a mixed stand of soybeans and common cocklebur was greater than that used by a pure stand of common cocklebur. Approximately 25% less water was lost as evapotranspiration (ET) in the dry year than in the wet year. Values for water use efficiency (WUE) increased during the season. Little difference in WUE between species was found in the wet year and up to 10 weeks after emergence in the dry year.

Keywords

Intraspecific and interspecific competitionwater use efficiencyroot density
Type
Research Article
Information
Weed Science , Volume 27 , Issue 2 , March 1979 , pp. 206 - 212
Copyright
Copyright © 1979 by the Weed Science Society of America 

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References

Literature Cited

1. Anderson, J. M. and McWhorter, C. G. 1976. The economics of common cocklebur control in soybean production. Weed Sci. 24:397–400.Google Scholar
2. Barrentine, W. L. 1974. Common cocklebur competition in soybeans. Weed Sci. 22:600–601.CrossRefGoogle Scholar
3. Barrentine, W. L. and Oliver, L. R. 1977. Competition, threshold levels, and control of cocklebur in soybeans. Mississippi Agric. Exp. Stn. and Arkansas Agric. Exp. Stn. Tech. Bull. No. 83. 27 pp.Google Scholar
4. Davis, R. G., Johnson, W. C., and Wood, F. O. 1967. Weed root profiles. Agron. J. 59:555–556.Google Scholar
5. Davis, R. G., Wiese, A. F., and Pafford, J. L. 1965. Root moisture extraction profiles of various weeds. Weeds 13:98–100.CrossRefGoogle Scholar
6. Gossett, B. J. 1971. Cocklebur-soybean's worst enemy. Weeds Today 2:9–11.Google Scholar
7. Hsiao, T. C. and Acevedo, E. 1974. Plant responses to water deficits, water-use efficiency and drought resistance. Agron. Meteorol. 14:59–84.CrossRefGoogle Scholar
8. Kanemasu, E. T., Stone, L. R., and Powers, W. L. 1976. Evaportranspiration model tested for soybean and sorghum. Agron. J. 68:569–572.Google Scholar
9. Oliver, L. R., Frans, R. E., and Talbert, R. E. 1976. Field competition between tall morningglory and soybean. I. Growth analysis. Weed Sci. 24:482–488.Google Scholar
10. Penman, H. L. 1948. Natural evaporation from open water, bare soil and grass. Proc. Roy. Soc., A193:120–145.Google Scholar
11. Ritchie, J. T. 1972. Model for predicting evaporation from a row crop with incomplete cover. Water Resour. Res. 8:1204–1213.Google Scholar
12. Scott, H. D. and Oliver, L. R. 1976. Field competition between tall morningglory and soybean. II. Development and distribution of root systems. Weed Sci. 24:454–460.Google Scholar
13. Shipley, J. L. and Weise, A. F. 1969. Economics of weed control in sorghum and wheat. Texas Agric. Exp. Stn. MP 909. 8pp.Google Scholar
14. Viets, F. G. Jr. 1962. Fertilizers and the efficient use of water. Adv. Agron. 14:228–261.Google Scholar
15. Waldrep, T. W. and McLaughlin, R. W. 1969. Cocklebur competition and control. The Soybean Farmer. 3:26–27,30.Google Scholar