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United States Department of Agriculture

Agricultural Research Service

Mark Weaver
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 Photo-Dr. Mark Weaver  Dr. Mark A. Weaver
 Plant Pathologist

 Biological Control of Pests Research Unit
 National Biological Control Laboratory
 59 Lee Road
 PO Box 57
 Stoneville, MS  38776

 Office:  662.686.5236
 FAX:    662.686.5281
 E-mail:  Mark.Weaver@ars.usda.gov


A former member of the Augmentative Bioherbicide research team of the Southern Weed Science Research Unit, Plant Pathologist Dr. Mark Weaver joined the research staff of the Biological Control of Pests Research Unit on October 1, 2009.

Information about Dr. Weaver's current research program and the Biological Control of Pests Research Unit can be found at the following link:  BCPRU 

Publication List and Available PDF Downloads

Zablotowicz, R.M.. K.N. Reddy, M.A. Weaver, A. Mengistu, L.J. Krutz, R.E. Gordon and N. Bellaloui. 2010. Cover Crops, Tillage, and Glyphosate Effects on Chemical and Biological Properties of a Lower Mississippi Delta Soil and Soybean Yield.   Environ. Res. Journal   4:227-251. PDF

Krutz, L.J., D.L. Shaner, M.A. Weaver, R.M.T. Webb, R.M. Zablotowicz, K.N. Reddy, Y. Huang and S.J. Thomson. 2010.  Agronomic and environmental implications of enhanced s-triazine degradation.  Pest. Manag. Sci. 66: 461-481 PDF

Abbas, H.K., J.R. Wilkinson, R.M. Zablotowicz, C. Accinelli, C.A. Abel, H.A. Bruns and M.A. Weaver.  2009.  Ecology of Aspergillus flavus, regulation of aflatoxin production, and management strategies to reduce aflatoxin contamination of corn.  Toxin Reviews 28: 142-153  PDF

Zablotowicz, R.M., K.N. Reddy, M.A. Weaver, A. Mengistu, L.J. Krutz, R.E. Gordon, and N. Bellaloui. 2009. Cover Crops, Tillage, and Glyphosate Effects on Chemical and Biological Properties of a Lower Mississippi Delta Soil and Soybean Yield.  In: Tomas H. Latos, ed. Cover Crops and Crop Yields, Nova Publishers, Inc., Huntington, NY; Chapter 10, pp. 265-289.   PDF

Weaver, M.A., X. Jin, R.E. Hoagland and C.D. Boyette.  2009. Improved bioherbicidal efficacy by Myrothecium verrucaria via spray adjuvants or herbicide mixtures.  Biological Control 50: 150-156. PDF

Weaver, Mark A., Robert E. Hoagland, C. Douglas Boyette, and Robert M. Zablotowicz.  2009. Macrocyclic trichothecene production and sporulation by a biological control strain of Myrothecium verrucaria is regulated by cultural conditions. World Mycotoxin Journal 2(1): 35-43. PDF

Boyette, C. Douglas, Mark A. Weaver, Robert E. Hoagland and Kenneth C. Stetina. 2008. Submerged culture of a mycelial formulation of a bioherbicidal strain of Myrothecium verrucariawith mitigated mycotoxin production. World J. Microbiol. Biotechnology. 24: 2721-2726. PDF

Zablotowicz, R.M., L.J. Krutz, M.A. Weaver, C. Accinelli, and K.N. Reddy.  2008.  Glufosinate and Ammonium Sulfate Inhibit Atrazine Degradation in Adapted Soils.  Biol. Fert. Soils45: 19-26.  PDF

Weaver, Mark A.and Charles M. Kenerley.  2008.  Competitiveness of a Genetically Engineered Strain of Trichoderma virensMycopathologia166: 51-59.  PDF

Boyette, C. Douglas, Robert E. Hoagland, and Mark A. Weaver.  2008.  Interaction of a bioherbicide and glyphosate for controlling hemp sesbania in glyphosate-resistant soybean.  Weed Biology and Management.  8: 18-24.  PDF

Boyette, C. Douglas, Robert E. Hoagland, Mark A. Weaver, and Krishna N. Reddy.  2008.  Redvine (Brunnichia ovata) and trumpercreeper (Campsis radicans) controlled under field conditions by a synergistic interaction of the bioherbicide, Myrothecium verrucaria, with glyphosate.  Weed Biology and Management8: 39-45.  PDF

Hoagland, R.E., C. Douglas Boyette, M.A. Weaver, and H.K. Abbas.   2007. Bioherbicides: Research and Risks.   Toxin Reviews 26: 313-342.  PDF

Boyette, C. Douglas, Robert E. Hoagland and Mark A. Weaver. 2007.  Effect of row spacing on biological control of sicklepod (Senna obtusifolia) withColletotrichum gloeosporioidesBiocontrol Science and Technology17(9):  957-967.  PDF

Weaver, Mark A., and Margaret E. Lyn.  2007.  Compatibility of a Biological Control Agent With Herbicides for Control of Invasive Plant Species.  Natural Areas Journal27(3): 264-268.  PDF

Weaver, M.A., M.E. Lyn, C.D. Boyette and R.E. Hoagland.  2007.  Bioherbicides for Weed Control In:M.K. Upadhyaya and R.E. Blackshaw (eds) Non-Chemical Weed Management. CAB International, Chapter 7. pp 93-110.27(3): 264-268.  PDF

Boyette, C. D., R.E. Hoagland, and M.A. Weaver.  2007.  Biocontrol efficacy of Colletotrichum truncatumfor hemp sesbania (Sesbania exaltata) is enhanced with unrefined corn oil and surfactant.  Weed Biology and Management. 7:70-76.  PDF

Hoagland, R.E., M.A. Weaver, and C. D. Boyette. 2007.  Myrothecium verrucaria as a Bioherbicide, and Strategies to Reduce Its Non-Target Risks.  Allelopathy Journal19(1): 179-192.  PDF

Zablotowicz, R.M., L.J. Krutz, M.A. Weaver, K.N. Reddy, C.H. Koger III, and M.A. Locke. 2007. Rapid Development of Enhanced Atrazine Degradation in a Dundee Silt Loam Soil under Continuous Corn and in Rotation with Cotton.  J. Ag. Food Chem.55: 852-859.  PDF

Weaver, M.A., Krutz, L.J, R.M. Zablotowicz, and K.N. Reddy.  2007.  Effects of glyphosate on soil microbial communities and its mineralization in a Mississippi soil.  Pest Mngmt Science.63: 388-393.  PDF

Locke, M.A., R.M. Zablotowicz, and M.A. Weaver.  2006.  Herbicide fate under conservation tillage, cover crop , and edge-of-field management practices.  H.P. Singh, D.R. Batish, and R.K. Kohli (eds.) Handbook of Sustainable Weed Management.  Haworth Press, Binghamton, New York.  Chapter 13, pp. 373-392.  PDF

Zablotowicz, R.M., M.A. Weaver, M.A. Locke.  2006.  Microbial Adaptation for Accelerated Atrazine Mineralization/Degradation in Mississippi Delta Soils.  Weed Science54: 538-547.  PDF

R.M. Zablotowicz, K.N. Reddy, C.H. Koger, and M.A. Weaver.  2007.  Enhanced degradation of atrazine under field conditions correlates with a loss of weed control in the glasshouse.  Pest Mngmt. Sci.63: 23-31.  PDF

Hoagland, R.E., Boyette, C.D., Weaver, M.A., Abbas, H.K. 2006. Research findings and strategies to reduce risks of the bioherbicide, myrothecium verrucaria. International Allelopathy Congress, Vol. 3, pp. 114-121.  PDF

Weaver, M. A. and Kenerley, C.M.  2005.  Density independent population dynamics by Trichoderma virens in soil and defined substrates.  Biocontrol Science and Technology15(8):847-857.  PDF

Weaver, M. A., Vedenyapina, E. and Kenerley, C. 2005 Fitness, persistence, and responsiveness of a genetically engineered strain of Trichoderma virens in soil. Applied Soil Ecology   29:125-134.  PDF

Weaver, M. A., Zablotowicz, R.M., and Locke, M.A. 2005.   Laboratory assessment of atrazine and fluometuron degradation in soils from a constructed wetland.   Chemoshpere.   54: 853-862.  PDF

Abbas, H.K., Zablotowicz, R.M., Weaver, M. A.,Horn, B. W., and Shier, W. T. 2005. Relationships between aflatoxin production, sclerotia formation among isolates of  Aspergillussection Flavifrom the Mississippi Delta.European Journal of Plant Pathology112: 283-387.  PDF

Locke, M.A., Zablotowicz, R.M., and Weaver, M. A.   2005. Herbicide Fate under Conservation Tillage, Cover Crop, and Edge-of-Field Management Practices Management Systems. Handbook of Sustainable Weed Control. Ed: Singh, H.P., Batish, D.R., and Kohli, R.K. Haworth Press, Binghamton, NY.

Abbas, H.K., Shier, W. T., Horn, B. W. and Weaver, M. A.   2004. Cultural Methods for Aflatoxin Detection.   Journal of Toxicology: Toxin Reviews 23: 291-315. PDF 

Abbas, H.K., Zablotowicz, R.M., Weaver, M. A., Horn, B. W., Xie, W., and Shier, W. T. 2004.   Comparison of cultural and analytical methods for determination of aflatoxin production by Mississippi Delta Aspergillusisolates. Canadian Journal of Microbiology 50: 193-199.  PDF

Massey, J.H., Scherder, E.F., Talbert, R.E, Zablotowicz, R.M., Locke, M.A., Weaver, M. A., Smith, M.C. and Steinriede, R.W. 2003.   Reduced water use and methane emissions from rice grown using intermittent irrigation.   Proceedings: Mississippi Water Resources Institute.

Weaver, M. A.,Vedenyapina, E. and Kenerley, C.M. 2000 Persistence, fitness and competitiveness of a genetically modified biocontrol agent. Mycological Society of America annual meeting.   Burlington, VT.Inoculum51: 65.

Weaver, M. A.,and Woloshuk C. P. 1996 Characterization of Aspergillus flavusstrains with mutations in linkage group VII affecting aflatoxin biosynthesis. Phytopathology. 86(11 SUPPL.). S68

Flaherty,J.E., Weaver, M. A., Payne, G.P. and Woloshuk, C.P.   1995 A ß-Glucuronidase Reporter Gene Construct for Monitoring Aflatoxin Biosynthesis in Aspergillus flavus.   Applied and Environmental Microbiology61: 2482-2486.


Last Modified: 7/7/2010
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