Hostname: page-component-848d4c4894-mwx4w Total loading time: 0 Render date: 2024-06-15T18:37:28.506Z Has data issue: false hasContentIssue false
  • English
  • Français

Intraspecific and Interspecific Sicklepod (Cassia obtusifolia) Interference

Published online by Cambridge University Press:  12 June 2017

Robert C. Bozsa ,
Lawrence R. Oliver  and
Tony L. Driver
Robert C. Bozsa
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Lawrence R. Oliver
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Tony L. Driver
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Get access Rights & Permissions [Opens in a new window]

Abstract

Intraspecific interference of sicklepod and interspecific interference between sicklepod and soybeans were investigated in field experiments in 1982 and 1983. Sicklepod growth and reproductive parameters were reduced as intraspecific spacing between plants decreased from 90 to 2.5 cm. Sicklepod plants growing intraspecifically were competing at spacings below 90 cm. Soybean plant heights were affected only slightly by sicklepod interference. Soybeans grew little in height from 35 to 84 days after emergence, while sicklepod plants continued to grow until they were 30 to 45 cm taller than the soybeans. Sicklepod plants spaced 10 and 30 cm apart in soybeans reduced soybean yield (25 to 35%) more than sicklepod spaced 90 cm apart. Sicklepod produced 900 to 2000 seeds per plant even when growth was restricted by interference from soybeans.

Keywords

Sicklepod (Cassia obtusifolia L.) ♯3 CASOBsoybeans, (Glycine max L.) Merr. ‘Forrest’Spoke wheel designadditive designsystematic designarea of influencecompetitionGlycine maxCASOB
Type
Weed Biology and Ecology
Information
Weed Science , Volume 37 , Issue 5 , September 1989 , pp. 670 - 673
Copyright
Copyright © 1989 by the Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

1. Buchanan, G. A. and Burns, E. R. 1971. Weed competition in cotton. I. Sicklepod and tall morningglory. Weed Sci. 19:576–579.Google Scholar
2. Buchanan, G. A., Crowley, R. H., and McGuire, J. A. 1980. Competition of sicklepod and redroot pigweed with cotton. Weed Sci. 28:258–262.CrossRefGoogle Scholar
3. Currey, W. L., Teem, D. H., and Jordan, J. H. 1981. Sicklepod competition and control programs in Florida soybeans. Proc. South. Weed Sci. Soc. 34:66.Google Scholar
4. Deschenes, J. M. 1974. Intraspecific competition in experimental populations of weeds. Can. J. Bot. 52:1415–1521.Google Scholar
5. Gunsolus, J. L. and Coble, H. D. 1985. Interference on weed and soybean growth and development. Proc. South. Weed Sci. Soc. 38:82.Google Scholar
6. Monks, D. W. and Oliver, L. R. 1988. Interactions between soybean (Glycine max) cultivars and selected weeds. Weed Sci. 36:770–774.CrossRefGoogle Scholar
7. Nelder, J. A. 1962. New kinds of systematic designs for spacing experiments. Biometrics. 18:283–307.CrossRefGoogle Scholar
8. Oliver, L. R. and Buchanan, G. A. 1986. Weed competition and economic threshold. Pages 71–98 in Camper, N. D., ed. Research Methods in Weed Science. South. Weed Sci. Soc., Champaign, IL.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.CrossRefGoogle Scholar
10. Palmblad, I. G. 1968. Competition in experimental populations of weeds with emphasis on regulation of population size. Ecology 49:26–34.Google Scholar
11. Retzinger, J. E. 1984. Growth and development of sicklepod (Cassia obtusifolia) selections. Weed Sci. 32:608–611.Google Scholar
12. Sims, B. D. 1986. Influence of johnsongrass (Sorghum halepense) and sicklepod (Cassia obtusifolia) on soybean growth and yield. Ph.D. Dissertation, Univ. Arkansas, Fayetteville. 212 pp.Google Scholar
13. Street, J. E., Snipes, C. E., McGuire, J. A., and Buchanan, G. A. 1985. Competition of a binary weed system with cotton. Weed Sci. 33:807–809.Google Scholar
14. Talbert, R. E., Chairman, . 1984. Weed survey — Southern States. Res. Rep. South. Weed Sci. Soc. 37:196–197.Google Scholar
15. Teem, D. H., Hoveland, C. S., and Buchanan, G. A. 1980. Sicklepod and coffee senna: geographic distribution, germination, and emergence. Weed Sci. 28:68–71.Google Scholar
16. Thurlow, D. L. and Buchanan, G. A. 1972. Competition of sicklepod with soybeans. Weed Sci. 20:379–384.CrossRefGoogle Scholar