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Soybean (Glycine max) Response to Weed Interference and Rhizoctonia Foliar Blight (Rhizoctonia solani)

Published online by Cambridge University Press:  12 June 2017

B. David Black
Affiliation:
Dep. of Plant Pathol. and Crop Physiol., 302 Life Sci. Bldg., Baton Rouge, LA 70803
James L. Griffin
Affiliation:
Dep. of Plant Pathol. and Crop Physiol., 302 Life Sci. Bldg., Baton Rouge, LA 70803
John S. Russin
Affiliation:
Dep. of Plant Pathol. and Crop Physiol., 302 Life Sci. Bldg., Baton Rouge, LA 70803
Johnnie P. Snow
Affiliation:
Dep. of Plant Pathol. and Crop Physiol., 302 Life Sci. Bldg., Baton Rouge, LA 70803

Abstract

Field studies evaluated response of soybean to Rhizoctonia foliar blight (RFB) disease in combination with varying densities of common cocklebur, hemp sesbania, or johnsongrass. Soybean plants at both V10 and R1 growth stages were not inoculated or inoculated with suspensions containing equal concentrations of Rhizoctonia solani AG-1 IA and IB mycelia. Intensity of RFB was rated weekly beginning at V1 soybean growth stage, and data were used to determine area under disease progress curves. Intensity of RFB was greater in 1993 than in 1994. When averaged across weed species and weed densities, soybean yield in 1993 was reduced 18% in plots inoculated with R. solani compared with those not inoculated. Intensity of RFB, however, did not differ between inoculated and noninoculated plots in 1994. Interactions between R. solani and weed density for RFB intensity and yield were not significant either year. Soybean yields in 1994, however, were reduced by hemp sesbania and johnsongrass in inoculated plots. Soybean maturity was delayed both years when hemp sesbania was present.

Type
Weed Biology and Ecology
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

Literature Cited

1. Appel, J. A. 1992. First report of Sclerotium (Southern) blight and Rhizoctonia aerial blight of soybeans in Kansas. Plant Dis. 76: 539.Google Scholar
2. Atkins, J. G. Jr. and Lewis, W. D. 1954. Rhizoctonia aerial blight of soybean in Louisiana. Phytopathology 44: 215218.Google Scholar
3. Baker, K. F. 1970. Types of Rhizoctonia diseases and their occurrences. Pages 125148 in Parmeter, J. R. Jr. (ed.), Rhizoctonia solani, Biology and Pathology. Univ. Calif. Press, Berkeley.CrossRefGoogle Scholar
4. Barrentine, W. L. 1974. Common cocklebur competition in soybean. Weed Sci. 22: 600603.Google Scholar
5. Dhingra, O. D. and da Silva, J. R. 1978. Effect of weed control on the internally seedborne fungi in soybean seed. Plant Dis. Rept. 62: 513516.Google Scholar
6. Elmore, G. A. and Coble, H. D. 1993. Soybean canopy effects on weed interference. Proc. South. Weed Sci. Soc. 46: 106.Google Scholar
7. Fehr, W. R., Caviness, C. E., Burmood, D. T., and Pennington, J. D. 1971. Stage of development descriptions for soybeans, Glycine max (L.) Merr. Crop Sci. 11: 2526.Google Scholar
8. Galindo, J. J., Abawi, G. S., Thurston, H. D., and Gálvez, G. E. 1982. Source of inoculum and development of web-blight of beans in Costa Rica. Phytopathology 72: 170.Google Scholar
9. Grau, C. R. and Radke, V. L. 1984. Effects of cultivars and cultural practices on Sclerotinia stem rot of soybean. Plant Dis. 68: 5658.Google Scholar
10. Hartman, G. L., Manandhar, J. B., and Sinclair, J. B. 1986. Incidence of Colletotrichum spp. on soybeans and weeds in Illinois and pathogenicity of Colletotrichum truncatum. Plant Dis. 70: 780782.Google Scholar
11. Hepperly, P. R., Mignueci, J. S., and Smith, R. S. 1982. Rhizoctonia web blight on soybean in Puerto Rico. Phytopathology 72: 170.Google Scholar
12. Jones, H. G. 1983. Plants and Microclimate. Cambridge University Press. 323 pp.Google Scholar
13. Jones, M. B. 1985. Plant microclimate. in Coombs, J., Hall, D. O., Long, S. P., and Scurlock, J. M. O. (eds.), Techniques in Bioproductivity and Photosynthesis. Pergamon Press, Elmsford, New York. 298 pp.Google Scholar
14. Joye, G. F., Berggren, G. T. Jr., and Berner, D. K. 1990. Effects of row spacing and within-row plant population of Rhizoctonia aerial blight of soybean and soybean yield. Plant Dis. 74: 158160.CrossRefGoogle Scholar
15. McWhorter, C. G. and Anderson, J. M. 1979. Hemp sesbania (Sesbania exaltata) competition in soybeans (Glycine max). Weed Sci. 27: 5864.Google Scholar
16. McWhorter, C. G. and Hartwig, E. E. 1972. Competition of johnsongrass and cocklebur with six soybean varieties. Weed Sci. 20: 5659.CrossRefGoogle Scholar
17. Muyolo, N. G., Lipps, P. E., and Schmitthenner, A. F. 1993. Anastomosis grouping and variation in virulence among isolates of Rhizoctonia solani associated with dry bean and soybean in Ohio and Zaire. Phytopathology 83: 438444.Google Scholar
18. O'Neill, N. R., Rush, M. C., Horn, N. L., and Carver, R. B. 1977. Aerial blight of soybean caused by Rhizoctonia solani . Plant Dis. Rept. 61: 713717.Google Scholar
19. SAS Institute. 1988. SAS/STAT User's Guide, Release 6.03 edition. SAS Institute, Cary, NC. 1028 pp.Google Scholar
20. Shaner, G. and Finney, R. E. 1977. The effect of nitrogen fertilization on the expression of slow-mildewing resistance in Knox wheat. Phytopathology 67: 10511056.Google Scholar
21. Shurtleff, J. L. and Coble, D. II. 1985. Interference of certain broadleaf weed species in soybeans (Glycine max). Weed Sci. 33: 654657.Google Scholar
22. Stoller, E. W. and Woolley, J. T. 1985. Competition for light by broadleaf weeds in soybean (Glycine max). Weed Sci. 33: 199202.Google Scholar
23. Verma, H. S. and Thapliyal, P. N. 1976. Rhizoctonia aerial blight of soybean. Indian Phytopathol. 29: 389391.Google Scholar
24. Yang, X. B., Berggren, G. T. Jr., and Snow, J. P. 1988. Seedling infection of soybean by Rhizoctonia solani AG-1, causal agent of aerial blight. Plant Dis. 72: 644.Google Scholar
25. Yang, X. B., Berggren, G. T. Jr., and Snow, J. P. 1990. Effects of free moisture and soybean growth stage on focus expansion of Rhizoctonia aerial blight. Phytopathology 80: 497503.CrossRefGoogle Scholar
26. Yang, X. B., Berggren, G. T. Jr., and Snow, J. P. 1990. Seedling infection of soybean by isolates of Rhizoctonia solani AG-1, causal agent of aerial blight and web blight of soybean. Plant Dis. 74: 485488.Google Scholar
27. Yang, X. B., Berggren, G. T. Jr., and Snow, J. P. 1990. Types of Rhizoctonia foliar blight on soybean in Louisiana. Plant Dis. 74: 501504.Google Scholar
28. Yang, X. B., Snow, J. P., and Berggren, G. T. Jr. 1990. Analysis of epidemics of Rhizoctonia aerial blight of soybean in Louisiana. Phytopathology 80: 386392.Google Scholar
29. Zarlengo, P. J., Rothrock, C. S., and King, J. W. 1994. Influence of shading on the response of tall fescue cultivars to Rhizoctonia solani AG-1 IA. Plant Dis. 78: 126129.Google Scholar