Ecological Interactions and Biological Control

By David A. Andow; David W. Ragsdale et al. | Go to book overview

Paul in 1990 and Waseca in 1991 the smother plant delayed silk emergence by 0.7 to 1.8 days, and by 1.5 to 4.9 days, respectively, depending on seeding rate. At St. Paul in 1990 corn grain yield was not affected by smother plant presence, but at Waseca in 1991 the smother plant reduced corn grain yield by 11 to 24 percent. These results indicate that it may be possible to develop spring-seeded smother plants that reduce corn yield by less than 10 percent. Development of smother plants may be facilitated by research into the mechanisms of smother plant inter­ ference with the main crop and with weeds, by genetic manipulation and selection of smother plant cultivars, and by the development of smother plants that produce a marketable product. Selection of main crop genotypes tolerant of smother plants may also be important.


References

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Bunting, E. S., and J. W. Ludwig. 1964. "Plant competition and weed control in maize". Pro­ ceedings 7th British Weed Control Conference 1:385-88.

Corak, S. J., W. W. Frye, and M. S. Smith. 1991. "Legume mulch and nitrogen fertilizer ef­ fects on soil water and corn production". Soil Science Society of America Journal 55: 1395-1400.

Cousins, R. 1991. "Aspects of the design and interpretation of competition (interference) ex­ periments". Weed Technology 5:664-73.

Curran, W. S., L. D. Hoffman, and E. L. Werner. 1994. "The influence of a hairy vetch (Vicia villosa) cover crop on weed control and corn (Zea mays) growth and yield". Weed Technology 8:777-84.

Decker, A. M., A. J. Clark, J. J. Meisinger, F. R. Mulford, and M. S. McIntosh. 1994. "Legume cover crop contributions to no-tillage corn production". Agronomy Journal 86: 126-35.

De R. L. Haan 1992. Simulation, development, and evaluation of spring seeded smother plants for weed control in corn (Zea mays). M.S. thesis, University of Minnesota, St. Paul.

De R. L. Haan, D. L. Wyse, N. J. Ehlke, B. D. Maxwell, and D. H. Putnam. 1994. "Simula­ tion of spring-seeded mother plants for weed control in corn". Weed Science 42:35-43.

Donald, C. M. 1968. "The breeding of crop ideotypes". Euphytica 17:385-403.

Eadie, A. G., C. J. Swanton, J. E. Shaw, and G. W. Anderson. 1992. "Integration of cereal cover crops in ridge-tillage corn (Zea mays) production". Weed Technology 6:553-60.

Eberlein, C. V., C. C. Sheaffer, and V. F. Oliveira. 1992. "Corn growth and yield in an alfalfa living mulch system". Journal of Production Agriculture 5:332-39.

Echtenkamp, G. W., and R. S. Moomaw. 1989. "No-till corn production in a living mulch system". Weed Technology 3:261-66.

Enache, A. J., and R. D. Ilnicki. 1990. "Weed control by subterranean clover (Trifolium sub­ terraneum) used as a living mulch". Weed Technology 4:534-38.

Fischer, A., and L. Burrill. 1993. "Managing interference in a sweet corn-white clover living mulch system". American Journal of Alternative Agriculture 8:51-56.

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