Projects

MINOR USE WEED MANAGEMENT Appropriated (D)   Accession Number: 410213

BIOLOGICALLY AND ECOLOGICALLY BASED KNOWLEDGE FOR INTEGRATED WEED MANAGEMENT SYSTEMS Appropriated (D)   Accession Number: 409450

FACTORS CONTROLLING MICROBIAL TRANSFORMATION OF HERBICIDES, N FERTILIZERS, AND WEED SEEDS AS RELATED TO BIOLOGICALLY BASED WEED MANAGEMENT Appropriated (D)   Accession Number: 410556

HERBICIDES FOR MINOR USE FOOD CROPS Specific Cooperative Agreement (S)   Accession Number: 408382

Publications

Sweet corn growth and yield responses to planting dates of the north central U.S. - (Peer Reviewed Journal)

Williams, M.M. II. 2008. Sweet corn growth and yield responses to planting dates of the north central U.S. HortScience. 43(6):1775-1779.

Genetic basis and implications of cross-sensitivity in Zea mays L. (sweet corn) to multiple herbicides metabolized by cytochrome P-450 enzymes - (Abstract)

Williams, M., Pataky, J.K., Riechers, D.E. 2008. Genetic basis and implications of cross-sensitivity in Zea mays L. (sweet corn) to multiple herbicides metabolized by cytochrome P-450 enzymes [abstract]. In: Abstracts of 5th International Weed Science Congress June 23-27, 2008, Vancouver, British Columbia, Canada. 2008 CDROM.

Sensitivity to P450-metabolized herbicides in sweet corn: genetic basis and implications - (Proceedings/Symposium)

Williams, M., Pataky, J.K., Reichers, D.E. 2008. Sensitivity to P450-metabolized herbicides in sweet corn: genetic basis and implications. In: Proceedings of the 44th Annual Corn Breeders School Illinois. March 3-4, 2008. p. 103-111.

The influence of tillage and crop on giant ragweed emergence and seed persistence in the soil - (Abstract)

Nordby, D., Williams, M., Chee Sanford, J.C. 2008. The influence of tillage and crop on giant ragweed emergence and seed persistence in the soil [abstract]. Weed Science Society of America Meeting Abstracts. Available: http://www.wssa.net.

A common genetic basis in sweet corn inbred C1 for cross sensitivity to multiple cytochrome P450-metabolized herbicides - (Peer Reviewed Journal)

Nordby, J.N., Williams, M., Pataky, J.K., Riechers, D.E. 2008. A common genetic basis in sweet corn inbred C1 for cross sensitivity to multiple cytochrome P450-metabolized herbicides. Weed Science. 56:376-382.

Genetic Basis of Sensitivity in Sweet Corn to Tembotrione - (Peer Reviewed Journal)

Williams, M., Pataky, J.K. 2008. Genetic Basis of Sensitivity in Sweet Corn to Tembotrione. Weed Science. 56:364-370.

Efficacy of Topramezone and Tembotrione Herbicides in Sweet Corn: Effect of Atrazine Rate, Adjuvants, and Timing - (Proceedings/Symposium)

Peachey, E., Williams, M., Boydston, R.A. 2008. Efficacy of Topramezone and Tembotrione Herbicides in Sweet Corn: Effect of Atrazine Rate, Adjuvants, and Timing. Western Society of Weed Science Meeting Proceedings. 61:36.

Genetic Basis for Varied Levels of Injury to Sweet Corn Hybrids from Three Cytochrome P-450 Metabolized Herbicides - (Peer Reviewed Journal)

Pataky, J.K., Meyer, M.D., Bollman, J.D., Boerboom, C.M., Williams, M. 2008. Genetic Basis for Varied Levels of Injury to Sweet Corn Hybrids from Three Cytochrome P-450 Metabolized Herbicides. Journal of the American Society for Horticultural Science. 133:438-447.

Interactions between population density of the Colorado potato beetle, Leptinotarsa decemlineata, and herbicide rate for suppression of solanaceous weeds - (Peer Reviewed Journal)

Metzger, C., Boydston, R.A., Ferguson, H., Williams, M., Zack, R., Walsh, D. 2008. Interactions between population density of the Colorado potato beetle, Leptinotarsa decemlineata, and herbicide rate for suppression of solanaceous weeds. Journal of Insect Science 8:38. Available: http://www.insectscience.org/papers/2008/.

Crop competitive ability contributes to herbicide performance in sweet corn - (Peer Reviewed Journal)

Williams, M., Boydston, R.A., Davis, A.S. 2008. Crop competitive ability contributes to herbicide performance in sweet corn. Weed Research. 48(1):56-67.

Differential tolerance in sweet corn to wild proso millet (Panicum miliaceum) interference - (Peer Reviewed Journal)

Williams, M., Boydston, R.A., Davis, A.S. 2008. Differential tolerance in sweet corn to wild proso millet (Panicum miliaceum) interference. Weed Science. 56:91-96.

Variation in wild proso millet fecundity in sweet corn has residual effects in snap bean - (Peer Reviewed Journal)

Davis, A.S., Williams, M. 2007. Variation in wild proso millet fecundity in sweet corn has residual effects in snap bean. Weed Science. 55(5):502-507.

Investigation of Anaerobic Herbicide Degradation in Agricultural Soils - (Abstract)

Chee Sanford, J.C., Sanford, R.A., Davis, A.S., Williams, M. 2007. Investigation of Anaerobic Herbicide Degradation in Agricultural Soils [abstract]. American Society for Microbiology Annual Meeting. Paper No. Q-161.

Investigation of Anaerobic Herbicide Degradation in Agricultural Soils - (Abstract)

Chee Sanford, J.C., Sanford, R.A., Connor, L.M., Davis, A.S., Williams, M. 2007. Investigation of Anaerobic Herbicide Degradation in Agricultural Soils [abstract]. Meeting Abstract. #Q-161.

Influence of planting date and weed interference on sweet corn growth and development - (Peer Reviewed Journal)

Williams, M.M. II, Lindquist, J.L. 2007. Influence of planting date and weed interference on sweet corn growth and development. Agronomy Journal. 99:1066-1072.

Prevalence of a gene conferring sensitivity to nicosulfuron and mesotrione in sweet corn and field corn - (Abstract)

Williams, M., Pataky, J.K., Riechers, D.E. 2007. Prevalence of a gene conferring sensitivity to nicosulfuron and mesotrione in sweet corn and field corn [abstract]. Weed Science Society of America Meeting Abstracts. Paper No. 181.

Sweet corn hybrid influences outcomes of wild proso millet suppression with sethoxydim - (Abstract)

Williams, M., Boydston, R.A. 2007. Sweet corn hybrid influences outcomes of wild proso millet suppression with sethoxydim [abstract]. Weed Science Society of America Meeting Abstracts. Paper No. 121.

Wild Proso millet (Panicum miliaceum) suppresive ability among three sweet corn hybrids - (Peer Reviewed Journal)

Williams, M., Boydston, R.A., Davis, A.S. 2007. Wild proso millet (Panicum miliaceum) suppressive ability among three sweet corn hybrids. Weed Science. 55:245-251.

2006 UPDATE OF WEED ECOLOGY AND MANAGEMENT RESEARCH IN SWEET CORN - (Experiment Station) - (05-Dec-06)

SURVEY OF WEEDS AND WEED MANAGEMENT IN SWEET CORN GROWN FOR PROCESSING - (Abstract)

Williams, M., Rabaey, T.L., Boerboom, C.M., Davis, A.S. 2007. Survey of weeds and weed management in sweet corn grown for processing. North Central Weed Science Society US Proceedings. 61(1):83.

ROLE OF SWEET CORN CANOPY ARCHITECTURE IN CROP/WEED INTERACTIONS - (Abstract)

So, Y.F., Pataky, J.K., Williams, M., Davis, A.S. 2007. Role of sweet corn canopy architecture in crop/weed interactions. North Central Weed Science Society US Proceedings. 61(1):166.

WILD PROSO MILLET SUPPRESSION AMONG SWEET CORN HYBRIDS - (Proceedings/Symposium)

Williams, M., Boydston, R.A., Davis, A.S., Pataky, J., So, Y. 2006. Wild proso millet suppression among sweet corn hybrids. 2006 Processing Crops Conference. 2006:1-9.

WILD PROSO MILLET DEMOGRAPHY IN SNAP BEANS FOLLOWING THREE DIFFERENT SWEET CORN HYBRIDS - (Abstract)

Davis, A.S., Williams, M. 2006. Wild proso millet demography in snap beans following three different sweet corn hybrids [abstract]. North Central Weed Science Society US Proceedings. 61:93.

INHERITANCE OF CROSS-SENSITIVITY IN SWEET CORN TO HERBICIDES APPLIED POSTEMERGENCE - (Peer Reviewed Journal)

Pataky, Jerald K., Norby, John N., Williams, M., Riechers, D.E. 2006. Inheritance of cross-sensitivity in sweet corn to herbicides applied postemergence. Journal of the American Society for Horticultural Science. 131:744-751.

CANOPY VARIATION AMONG THREE SWEET CORN HYBRIDS AND IMPLICATIONS FOR LIGHT COMPETITION - (Peer Reviewed Journal)

Williams, M., Boydston, R.A., Davis, A.S. 2006. Canopy variation among three sweet corn hybrids and implications for light competition. HortScience. 41:1449-1454.

Volunteer potato density influences critical time of weed removal in bulb onion - (Peer Reviewed Journal)

Williams, M., Ransom, C.V., Thompson, W.M. 2007. Volunteer potato density influences critical time of weed removal in bulb onion. Weed Technology. 21(1):136-140.

FUNCTIONAL RELATIONSHIPS BETWEEN GIANT RAGWEED (AMBROSIA TRIFIDA L.) INTERFERENCE AND SWEET CORN YIELD AND EAR TRAITS - (Peer Reviewed Journal)

Williams, M., Masiunas, J.B. 2006. Functional relationships between giant ragweed (Ambrosia trifida L.) interference and sweet corn yield and ear traits. Weed Science. 54:948-953.

SOIL SEED BANK DYNAMICS OF GIANT RAGWEED (AMBROSIA TRIFIDA L.) AND THE ROLE OF SOIL FUNGI IN SEED DECAY PROCESSES [ABSTRACT] - (Abstract)

Fu, X., Williams, M.M.II, Chee-Sanford, J.C. 2006. Soil seed bank synamics of giant ragweed (Ambrosia trifida l.) and the role of soil fungi in seed decay processes [abstract]. Association for Tripical Biology and Conservation. Available: http://atbc.xtbtg.ac.cn.

PLANTING DATE INFLUENCES CRITICAL PERIOD OF WEED CONTROL IN SWEET CORN - (Peer Reviewed Journal)

Williams, M. 2006. Planting date influences critical period of weed control in sweet corn. Weed Science. 54:928-933.

DO MICROBES INFLUENCE SEED BANK DYNAMICS? - (Peer Reviewed Journal)

Chee Sanford, J.C., Williams, M., Davis, A.S., Sims, G.K. 2006. Do microbes influence seed bank dynamics? Weed Science. 54(3):575-587.

CONIDIAL GERMINATION AND GERM TUBE ELONGATION OF PHOMPOSIS AMARANTHICOLA AND MICROSPHAEROPSIS AMARANTHI ON LEAF SURFACES OF SEVEN AMARANTHUS SPECIES - (Peer Reviewed Journal)

Ortiz Ribbing, L.M., Williams, M. 2006. Conidial germination and germ tube elongation of Phomopsis amaranthicola and Microsphaeropsis amaranthi on leaf surfaces of seven Amaranthus species. Biological Control. 38(3):356-362.

WEEDS OF SWEET CORN AND THEIR IMPACT ON YIELD TRAITS - (Abstract)

Williams, M. 2005. Weeds of sweet corn and their impact on yield traits [abstract]. Midwest Food Processors Association Processing Crops Conference. Paper No. 11.

MICROBIAL INTERACTIONS WITH WEED SEEDS [ABSTRACT] - (Abstract)

Chee Sanford, J.C., Holman, T.J., Connor, L.M., Williams, M., Davis, A.S., Sims, G.K. 2005. Microbial interactions with weed seeds [abstract]. North Central Weed Science Society. 60:16.

SWEET CORN CULTIVAR INFLUENCES BIOLOGICALLY EFFECTIVE HERBICIDE DOSE [ABSTRACT] - (Abstract)

Williams, M., Boydston, R.A.,. 2005. Sweet corn cultivar influences biologically effective herbicide dose [abstract]. North Central Weed Science Society US Proceedings. 60(1):28.

HOST SPECIFICITY OF MICROSPHAEROPSIS AMARANTHI AND PHOMOPSIS AMARANTHICOLA, BIOHERBICIDE CANDIDATES FOR AMARANTHUS SPECIES - (Abstract)

Ortiz-Ribbing, L., Williams, M. 2005. Host specificity of microsphaeropsis amaranthi and phomopsis amaranthicola, bioherbicide candidates for amaranthus species [abstract]. North Central Weed Science Society US Proceedings. 60:140.

INTEGRATED WEED MANAGEMENT IN VEGETABLE CROPS - (Proceedings/Symposium)

Boydston, R.A., Williams, M. 2005. Integrated weed management in vegetable crops. Pacific Northwest Vegetable Association Meetings, Pasco, WA, p. 1-4. http://www.pnva.org.

PLANTING DATE INFLUENCES CRITICAL PERIOD FOR WEED CONTROL IN SWEET CORN - (Abstract)

Williams, M., Frihauf, J.C. 2005. Planting date influences critical period for weed control in sweet corn [abstract]. Weed Science Society of America Meeting Abstracts. 46:219.

VOLUNTEER POTATO INTERFERENCE IN CARROT - (Peer Reviewed Journal)

Williams, M., Boydston, R.A. 2006. Volunteer potato(Solanum tuberosum l.) interference in carrot. Weed Science. 54(1):94-99.

TWO FUNGAL ORGANISMS INFECT SEVERAL WEEDY AMARANTHUS SPECIES [ABSTRACT] - (Abstract)

Ortiz-Ribbing, L.M., Williams, M. 2005. Two fungal organisms infect several weedy amaranthus species [abstract]. Weed Science Society of America Meeting Abstracts. 60(1):16.

ENVIRONMENTAL FACTORS AFFECTING SEED PERSISTENCE OF 13 ANNUAL WEEDS ACROSS THE U.S. CORN BELT - (Peer Reviewed Journal)

Davis, A.S., Cardina, J., Forcella, F., Johnson, G.A., Kegode, G., Lindquist, J., Luschei, E.C., Renner, K.A., Sprague, C.L., Williams, M. 2005. Environmental factors affecting seed persistence of 13 annual weeds across the U.S. corn belt. Weed Science. 53(6):860-868.

CROSS-SENSITIVITY IN SWEET CORN TO NICOSULFURON AND MESOTRIONE APPLIED POSTEMERGENCE - (Peer Reviewed Journal)

Williams, M., Pataky, J.K., Nordby, J.N., Riechers, D.E., Sprague, C.L., Masiunas, J.B. 2005. Cross-sensitivity in sweet corn to nicosulfuron and mesotrione applied postemergence. Hortscience. 40(6):1801-1805.

ALTERNATIVE TO HANDWEEDING VOLUNTEER POTATO IN CARROT (SOLANUM TUBEROSUM) IN CARROT (DAUCUS CAROTA) - (Peer Reviewed Journal)

Williams, M., Boydston, R.A. 2005. Alternative to handweeding volunteer potato (Solanum tuberosum)in carrot (Daucus carota). Weed Technology. 19(4):1050-1055.

POTENTIAL OF PHOMOPSIS AMARANTHICOLA AND MICROSPHAEROPSIS AMARANTHI, AS BIOHERBICIDES FOR SEVERAL WEEDY AMARANTHUS SPECIES - (Peer Reviewed Journal)

Ortiz Ribbing, L.M., Williams, M. 2006. Potential of Phomopsis amaranthicola and Microsphaeropsis amaranthi, as bioherbicides for several weedy amaranthus species. Crop Protection. 25(1):39-46.

CROP HYBRID SELECTION OF A TOOL TO MANAGE ANNUAL GRASSES IN SWEET CORN - (Other)

Williams, M., Boydston, R.A. Crop hybrid selection of a tool to manage annual grasses in sweet corn. Illinois Fruit and Vegetable Research Report.

CROP TOLERANCE AND WEED SUPPRESSIVE ABILITY OF THREE SWEET CORN HYBRIDS: INITIAL RESULTS - (Proceedings/Symposium)

WILLIAMS, M.M., BOYDSTON, R.A. 2005. Crop tolerance and weed suppressive ability of three sweet corn hybrids: Initial results. 77th Processing Crops Conference Proceedings. p. 8.

VOLUNTEER POTATO CONTROL IN ONION USING FLUROXYPYR - (Abstract)

Oman, C., Nissen, S.J., Westra, P., Ransom, C., Boydston, R.A., Williams, M., Thompson, W. 2004. Volunteer potato control in onion using fluroxypyr. 2004 National Allium Research Conference, Grand Junction, CO., Dec. 2004.

CANOPY VARIATION AND WILD PROSO MILLET SUPPRESSIVE ABILITY AMONG THREE SWEET CORN HYBRIDS - (Abstract)

Williams, M.M., Boydston, R.A. 2005. Canopy variation and wild proso millet suppressive ability among three sweet corn hybrids [abstract]. Weed Science Society of America. 45:57.

TOLERANCE OF THREE SWEET CORN HYBRIDS TO WILD PROSO MILLET INTERFERENCE - (Abstract)

Williams, M.M., Boydston, R.A. 2005. Tolerance of three sweet corn hybrids to wild proso millet interference [abstract]. Weed Science Society of America. 45:83.

CANOPY VARIATION AND WILD PROSO MILLET SUPPRESSIVE ABILITY AMONG THREE SWEET CORN HYBRIDS - (Abstract)

WILLIAMS, M.M., BOYDSTON, R.A. 2005. Canopy variation and wild proso millet suppressive ability among three sweet corn hybrids. Weed Science Society of America Meeting Abstract. Vol. 45:57.

TOLERANCE OF THREE SWEET CORN HYBRIDS TO WILD PROSO MILLET INTERFERENCE - (Abstract)

WILLIAMS, M.M., BOYDSTON, R.A. 2005. Tolerance of three sweet corn hybrids to wild proso millet interference. Weed Science Society of America Meeting Abstract. Vol. 45:83.

SEEDBANK PERSISTENCE OF A DECLINING GIANT RAGWEED POPULATION: INITIAL RESULTS OF A LONG-TERM STUDY - (Abstract)

Nordby, D.E., Williams, M.M., Chee-Sandford, J.C. 2005. Seedbank persistence of a declining giant ragweed population: Initial results of a long-term study[abstract]. Weed Science Society of America Meeting. Vol. 45:63.

ASSOCIATION BETWEEN THE SENSITIVITY OF SWEET CORN TO NICOSULFURON AND MESOTRIONE - (Abstract)

Nordby, D.E., Williams, M.M, Pataky, J., Sprague, C. 2005. Association between the sensitivity of sweet corn to nicosulfuron and mesotrione [abstract]. Weed Science Society of America Meeting. Vol. 45:25.

INTEGRATING ARTHROPOD HERBIVORY AND REDUCED HERBICIDE USE FOR WEED MANAGEMENT - (Peer Reviewed Journal)

Williams, M.M., Walsh, D.B., Boydston, R.A. 2004. Integrating arthropod herbivory and reduced herbicide use for weed management. Weed Science. 52:1018-1025.

MANAGING WILD PROSO MILLET AND VOLUNTEER POTATOES IN SWEET CORN - (Proceedings/Symposium)

Boydston, R.A., Spellman, D.E., Williams, M. 2004. Managing wild proso millet and volunteer potatoes in sweet corn. Pacific Northwest Vegetable Association Proceedings, Pasco, WA. pp 35-41.

MANAGING VOLUNTEER POTATO (SOLANUM TUBEROSUM) IN FIELD CORN WITH MESOTRIONE AND ARTHROPOD HERBIVORY - (Peer Reviewed Journal)

Boydston, R.A., Williams, M. 2005. Managing volunteer potato (solanum tuberosum) in field corn with mesotrione and arthropod herbivory. Weed Technology. 19:443-450.

EFFECT OF GIANT RAGWEED INTERFERENCE ON SWEET CORN YIELD AND QUALITY - (Abstract)

Williams, M.M., Masiunas, J.B. 2004. Effect of giant ragweed interference on sweet corn yield and quality [abstract]. North Central Weed Science Society Proceedings. Vol. 59.

INFLUENCE OF TILLAGE AND CROP ON GIANT RAGWEED EMERGENCE, SEED DISTRIBUTION AND LONGEVITY - (Abstract)

Nordby, D.E., Williams, M.M. 2004. Influence of tillage and crop on giant ragweed emergence, seed distribution and longevity[abstract]. North Central Weed Science Society Proceedings. Vol. 59.

MULTI-STATE EVALUATION OF SWEET CORN HYBRID TOLERANCE TO HERBICIDES - (Abstract)

Boerboon, C.M., Becker, R.L., Williams, M.M., Bellinder, R.R., Vangessel, M.J., Peachey, R.E. 2004. Multi-state evaluation of sweet corn hybrid tolerance to herbicides[abstract]. North Central Weed Science Society Proceedings. Vol. 59.

DURATION OF VOLUNTEER POTATO (SOLANUM TUBEROSUM L.) INTERFERENCE IN BULB ONION - (Peer Reviewed Journal)

Williams, M., Ransom, C.V., Thompson, W.M. 2005. Duration of volunteer potato (solanum tuberosum l.) interference in bulb onion. Weed Science. 53(1):62-68.

INTERACTIONS BETWEEN MICROORGANISMS AND WEED SEEDS: NOVEL IMPLICATIONS FOR THE MICROBE RELATIONSHIPS - (Peer Reviewed Journal)

Chee-Sanford, J.C., Connor, L.M., Holman, T.J., Williams, M.M., Sims, G.K. 2004. Interactions between microorganisms and weed seeds: novel implications for the microbe relationships. [abstract]. American Society for Microbiology. Paper No. N-114.

EFFECT OF VOLUNTEER POTATO DENSITY ON DRY BULB ONION YIELD AND QUALITY - (Peer Reviewed Journal)

Williams, M.M. II, Ransom, C.V., Thompson, W.M. 2004. Effect of volunteer potato density on bulb onion yield and quality. Weed Science. 52:754-758.

BACTERIAL POPULATIONS AND THEIR RELATIONSHIP TO WEED SEEDS: IMPLICATIONS FOR SOIL SEED BANK MICROBIAL ECOLOCY. - (Abstract)

Chee-Sanford, J.C., Connor, L.M., Holman, T.J., Tang, E., So, Y., Marvelli, R., Williams, M.M. 2004. Bacterial populations and their relationship to weed seeds: implications for soil seed bank microbial ecology. [abstract].104th Annual Meeting of the American Society for Microbiology, New Orleans,LA. No. N-013.

SWEET CORN CULTIVAR TOLERANCE TO MESOTRIONE - (Abstract)

Masiunas, J., Pataky, J., Sprague, C., Williams, M., Wax, L. 2004. Sweet corn cultivar tolerance to mesotrione. [abstract]. Weed Science Society of America. Vol. 44. p. 58.

CARROT WEED CONTROL - RESEARCH WITH CAPAROL AND NORTRON - (Popular Publication)

BOYDSTON, R.A., WILLIAMS, M., PREST, G., SPELLMAN, D.E. CARROT WEED CONTROL - RESEARCH WITH CAPAROL AND NORTRON. Carrot Country. 2004. 12(1):6-8.

CARROT WEED CONTROL - RESEARCH WITH CAPAROL AND NORTON - (Proceedings/Symposium)

BOYDSTON, R.A., WILLIAMS, M., PREST, G., SPELLMAN, D.E. CARROT WEED CONTROL - RESEARCH WITH CAPAROL AND NORTON. PROCEEDINGS OF THE PACIFIC NORTHWEST VEGETABLE ASSOCIATION, PASCO, WA. P 81-88. 2003.

ACERIA MALHERBAE FEEDING IMPROVES SUPPRESSION OF FIELD BINDWEED WITH HERBICIDES - (Abstract)

WILLIAMS, M., BOYDSTON, R.A. ACERIA MALHERBAE FEEDING IMPROVES SUPPRESSION OF FIELD BINDWEED WITH HERBICIDES. WEED SCIENCE SOCIETY OF AMERICA ABSTRACTS. 2004. Vol. 44:28 #102.

MANAGING VOLUNTEER POTATO IN FIELD CORN WITH MESOTRIONE AND COLORADO POTATO BEETLE. - (Abstract)

BOYDSTON, R.A., WILLIAMS, M. MANAGING VOLUNTEER POTATO IN FIELD CORN WITH MESOTRIONE AND COLORADO POTATO BEETLE. 2004 WEED SCIENCE SOCIETY OF AMERICA ABSTRACTS. 2004. Vol. 44:58-59 #204.

SIGNIFICANCE OF CROP QUALITY IN WEED COMPETITION RELATIONSHIPS - (Abstract)

WILLIAMS, M.M. 2003. Significance of crop quality in weed competition relationships. Amer. Soc. for Hort. Sci. Abst.