Dr. Albert J. Fischer

Albert Fischer

Position Title
Professor Emeritus

Unit
Department of Plant Sciences, College of Agricultural and Environmental Sciences

279 Robbins
Bio

Research Interests

Herbicide resistance and weed ecophysiology

urrently retired.  My strategic and applied research addressed critical weed challenges to California rice production, such as the evolution of herbicide resistance in major weeds and the recent appearance of weedy forms of rice, which threaten the sustainability of this crop. My program worked towards: a) understanding the physiological, biochemical, and molecular mechanisms endowing herbicide resistance in key weeds of rice, b) elucidating effects of landscape and crop management on the genetic structure and the spread of herbicide resistant weeds in rice, c) developing knowledge on weed biology and the ecophysiology of rice-weed interactions, and d) developing novel weed management concepts for rice. My program integrated a wide range of research activities whereby basic science supports novel concepts for field-level solutions.

Specialties / Focus

  • Environmental and Integrative Biology

Courses taught

  • PLS/SAS 12 Plants and People, Winter
  • PBI 212 Herbicide Mode of Action, Spring
  • PLS 176 Introduction to Weed Science, Winter
  • PLS 100A Metabolic Processes of Cultivated Plants , Fall

Labs

  • Fischer Lab Former Members
    • Rocío Alarcón-Reverte, PostdoctoralAlejandro García, PhD Student Whitney Brim-DeForest, PhD Student Rafael Pedroso, MS Student Ibrahim Abdallah, Visiting Scientist, Assist. Prof. Cairo University, Egypt. James W. Eckert, Staff Research Associate Steven Johnson, Staff Research Associate

Field Sites

  • Cooperative Rice Experiment Station

Honors and Awards

  • California Rice Industry Award for Excellence n Research
  • Mel Androus Professorship for Weed Science in Rice
  • Charter member Gamma Sigma Delta
  • President International Weed Science Society

    Professional Societies

    • International Weed Science Society (Past President), Weed Science Society of America, California Weed Science Society, Agronomy Society of America, Rice Technical Working Group

    Degrees

    • 0 B.S. - University of Uruguay - Agricultural Science
    • 0 M.S. - Oregon State University - Crop and Weed Science
    • 1989 PhD Crop and Weed Science Oregon State University

    Publications

    Brim-DeForest, W.B., Al-Khatib, K, Linquist, B.A., Fischer, A.J.  2017. Weed community dynamics and system productivity in alternative irrigation systems in California rice. Weed Science 65:177–188. 

    Brim-DeForest, W.B., Al-Khatib, Fischer, A.J. 2017. Predicting Yield Losses in Rice Mixed-Weed Species Infestations in California.  Weed Science. 65:61-72

    Kanapeckas, K.L.,Tseng, T.M.,Vigueira, C.C., Ortiz, A., Bridges, W.C., Burgos, N.R., Fischer, A.J., and Lawton-Rauhh, A. 2017. Contrasting patterns of variation in weedy

    traits and unique crop features in divergent populations of US weedy rice (Oryza sativa sp.) in Arkansas and California. December 2017, Pest Management Science DOI10.1002/ps.4820

    Ortiz, A., Pérez, P., Anzalone, A., Zambrano, C., Torres, S., Quintana, Y., López, L. and Fischer. A.J. 2017. Resistencia de Fimbristylis littoralis Gaudich a imazapir+imazetapir y su control con otros herbicidas en el cultivo de arroz.  Bioagro 29(1): 15-22. 2017. 

    Zhang, C.J., Lim, S.H., Kim, J.W., Nah, G., Fischer, A. and Kim, D.S. (2016). Leaf chlorophyll fluorescence discriminates herbicide resistance in Echinochloa species. Weed Research 56, 424–433.

    Pedroso, R.M., Al-Khatib, K., Hanson, B. and Fischer, A.J. 2016. A high throughput, modified ALS activity assay for Cyperus difformis and Schoenoplectus mucronatus seedlings. Pesticide Biochemistry and Physiology  (2016). 135:78-81.

    Pedroso, R.M., Al-Khatib, K., Abdallah, I., Alarcón-Reverte, R., and Fischer, A.J. 2016. Resistance to propanil in ricefield bulrush (Schoenoplectus mucronatus) is conferred by a psbA mutation, Val219 to Ile.  Weed Sci. (2016). 64(4):562-569.

    Pedroso, R.M., Al-Khatib, K., Alarcón-Reverte, R., and Fischer, A.J. 2016. A psbA mutation (Val219 to Ile) causes resistance to propanil and increased susceptibility to benzazon. Pest Manag. Sci. 72:1673–1680.

    Nah G., Im, J-H., Kim, J-W., Park, H-R., Yook, M-J.,Yang, T-Y, Fischer A.J. Kim, D-S. 2015. Uncovering the differential molecular basis of adaptive diversity in three Echinochloa leaf trenascriptomes.PLOS ONE DOI:10.1371/journal.pone.0134419 August 12, 2015.

    Alarcón-Reverte, R, García, A,Watson, S.B. Abdallah, I. Sabaté, Hernández, M.J., Dayan, F.E. and Fischer, A.J. 2014. Concerted action of target-site mutationsand high EPSPS activity in glyphosate-resistant junglerice (Echinochloa colona) from California. Pest Manag Sci 2015; 71: 996–1007

    Valverde, B.., Boddy, L.G., Pedroso, R.M., Eckert, J.W. 2014. Cyperus difformis evolves resistance to propanil. Crop Protection, 62:16-22.

    Hanson, B.D., A J. Fischer, A. McHughen, M. Jasieniuk, A. Shrestha, and A. J. Jhala. 2013. Herbicide-resistant weeds and crops. In S. Fennimore and S. Bell eds.) Principles of Weed Science – 4th edition, California Weed Science Society, California., In-Press.

    Alarcón-Reverte, R., A. García, J. Urzúa, and A. J. Fischer. 2013. Resistance to Glyphosate in Junglerice (Echinochloa colona) from California. Weed Science, 61:48-54.

    Boddy, L.G., K.J. Bradford, A.J. Fischer. 2013. Stratification requirements for seed dormancy alleviation in a wetland weed. PLOS ONE, 8 (9): e71457. doi:10.1371/journal.pone.0071457

    Ortiz, A., S. Blanco, G. Arana, L. López, S. Torres, Y. Quintana, P. Pérez, C. Zambrano, and A. Fischer. 2013. Estado actual de la resistencia de Ischaemum rugosum Salisb. al herbicida bispiribac-sodio en Venezuela [Current state of the resistance of Ischaemum rugosum Salisb. to the herbicide bispyribac-sodium in Venezuela]. Bioagro 25(2):79-89.

    Ortiz, A. L. Villarreal, S. Torres, M. D. Osuna, L. López, R. Figueroa, C. Zambrano, M. Cásares y A. Fischer. 2012. Resistencia de Fimbristylis miliacea al herbicida pirazosulfurón-etilo en campos de arroz del estado Guárico-Venezuela [Resistance of Fimbristylis miliacea to the herbicide pirazosulfuroon-ethyl in rice fields of the state of Guárico in Venezuela]. Interciencia 37:209-214.

    Boddy, L.G., J.C. Streibig, Y. Yamasue, A.J. Fischer. 2012. Biomass, fecundity and interference ability of multiple herbicide-resistant and - susceptible late watergrass (Echinochloa phyllopogon). Weed Science. (doi: 10.1614/WS-D-11-00150.1).

    Pittelkow, C.M. , A.J. Fischer, M.J. Moechnig, J.E. Hill, K.B. Koffler , R.G.Mutters, C.A. Greer, Y.S. Cho, C. van Kessel, B.A. Linquist. 2012. Agronomic productivity and nitrogen requirements of alternative tillage and crop establishment systems for improved weed control in direct-seeded rice. Field Crops Research. 130:128-137.

    Boddy, L.G.,K. J. Bradford and A J. Fischer. 2012. Population-based threshold models describe weed germination and emergence patterns across varying temperature, moisture and oxygen conditions. Journal of Applied Ecology, 49:1225-1236.

    Zhou, W., H. Yasuor, A.J. Fischer, V. Tolstikov. 2011. Trace metabolic profiling and pathway analysis of clomazone using liquid chromatography coupled with triple Quadruple-Linear Ion Trap Mass Spectrometry in Predictive Multiple Reaction Monitoring Mode. LGCC Noth America 29 (9)8p (www.chromatographyonline.com).

    Yasuor, H., M. Milan, J.W. Eckert, and A.J. Fischer. 2011 Quinclorac Resistance: a concerted hormonal and enzymatic effort in Echinochloa phyllopogon.Pest Management Science ((wileyonlinelibrary.com; DOI 10.1002/ps.2230)

    Osuna, M.D., M. Okada, R. Ahmad, A. J. Fischer, and M. Jasieniuk. 2011. Genetic diversity and spread of thiobencarb resistant early watergrass (Echinochloa oryzoides) in CaliforniaWeed Science 2011 59:195–201

    Yasuor, H., M. Milan, J.W. Eckert, and A.J. Fischer. 2011. Quinclorac Resistance: a concerted hormonal and enzymatic effort in Echinochloa phyllopogon. Pest Management Science 68:108-115.

    Zhou, W., H. Yasuor, A.J. Fischer, V. Tolstikov. 2011. Trace metabolic profiling and pathway analysis of clomazone using liquid chromatography coupled with triple Quadruple-Linear Ion Trap Mass Spectrometry in Predictive Multiple Reaction Monitoring Mode. LGCC North America 29 (9)8p (www.chromatographyonline.com).

    Merotto Jr., A., M. Jasieniuk and A. J. Fischer. 2010. Distribution and cross-resistance patterns of ALS-inhibiting herbicide resistance in smallflower umbrella sedge (Cyperus difformis). Weed Sci. 58:22-29.

    Fischer, A.J., G. L. Strong, K. Shackel, and R. G. Mutters. 2010. Temporary drought can selectively suppress Schoenoplectus mucronatus in rice. Aquat. Bot. 92:257-264.

    Lundy, M., A. Fischer, C. van Kessel, J. Hill, M. Ruark, and B. Linquist. 2010. Surface applied calcium phosphate stimulates weed emergence in flooded rice. Weed Technol. DOI: 10.1614/WT-D-09-00082.1

    Yasuor, H. W. Zou, V.V. Tolstikov, R.S. Tjeerdema, and A. J. Fischer. 2010. Differential oxidative metabolism and 5-Ketoclomazone accumulation are involved in Echinochloa phyllopogon resistance to clomazone. Plant Physiol. 153:319-326.

    Gealy, D., and A. Fischer. 2010. 13C discrimination: a stable isotope method to quantify root interactions between C3 rice (Oryza sativa) and C4 barnyardgrass (Echinochloa crus-galli) in flooded fields. Weed Sci. DOI: 10.1614/WS-D-09-00053.1

    Merotto Jr., A., M. Jasieniuk and A. J. Fischer. 2010. Distribution and cross-resistance patterns of ALS-inhibiting herbicide resistance in smallflower umbrella sedge (Cyperus difformis). Weed Sci. 58:22-29.

    Fischer, A.J., G. L. Strong, K. Shackel, and R. G. Mutters. 2010. Temporary drought can selectively suppress Schoenoplectus mucronatus in rice. Aquat. Bot. 92:257-264.

    Lundy, M., A. Fischer, C. van Kessel, J. Hill, M. Ruark, and B. Linquist. 2010. Surface applied calcium phosphate stimulates weed emergence in flooded rice. Weed Technol. DOI: 10.1614/WT-D-09-00082.1

    Yasuor, H. W. Zou, V.V. Tolstikov, R.S. Tjeerdema, and A. J. Fischer. 2010. Differential oxidative metabolism and 5-Ketoclomazone accumulation are involved in Echinochloa phyllopogon resistance to clomazone. Plant Physiol. 153:319-326.

    Gealy, D., and A. Fischer. 2010. 13C discrimination: a stable isotope method to quantify root interactions between C3 rice (Oryza sativa) and C4 barnyardgrass (Echinochloa crus-galli) in flooded fields. Weed Sci. DOI: 10.1614/WS-D-09-00053.1

    Merotto, A., M. Jasieniuk, M.D. Osuna, F.Vidotto, A. Ferrero, and A.J. Fischer. 2009. Cross-resistance to herbicides of five ALS-inhibiting groups and sequence of the ALS gene in Cyperus difformis L. J. Agric. Food Chem. 57:1389-1398.

    Yasuor, H., M.D. Osuna, A. Ortiz, N. E. Saldaín, J.W. Eckert, and A.J. Fischer. 2009. Mechanism of resistance to penoxsulam in late watergrass [Echinochloa phyllopogon (Stapf) Koss.]. J. Agric. Food Chem. 57:3653–3660.

    Merotto, Jr., A., A.J. Fischer, and R.A. Vidal. 2009. Perspectives for using light quality knowledge as an advanced weed management ecophysiological tool. Planta Daninha 27:407-419.

    Merotto, A., M. Jasieniuk, and A.J. Fischer. 2009. Estimating the outcrossing rate of smallflower umbrella sedge (Cyperus difformis L.) using resistance to ALS-inhibiting herbicides and SRAP molecular markers. Weed Research 49, 29–36.

    Pavlovic, D., S. Vrbnicanin, D. Bozic, and A.J. Fischer. 2008. Morpho-physiological traits and atrazine sensitivity in Chenopodium album L. Pest Management Science 64:101-107.

    Linquist B., Fischer, A., Godfrey L., Greer C., Hill J., Koffler K., Moeching M., Mutters R., and van Kessel C. 2008. Minimum till Could benefit California rice farmers. California Agriculture 62:24-29.

    Yasuor, H., P.L. TenBrook, R. S. Tjeerdema, and A. J. Fischer. 2008. Responses to clomazone and 5-ketoclomazone by Echinochloa phyllopogon resistant to multiple herbicides in Californian rice fields. Pest Management Science 64:1031–1039

    Figueroa, R., M. Gebauer, A. Fischer, and M. Kogan. 2008. Resistance to bensulfuron-methyl in water plantain (Alisma plantago-aquatica) populations from Chilean paddy fields. Weed Technology 22:602-608.

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