Curriculum vitae
Jack Dekker
Curriculum vitae
Jack Dekker
Oral Papers
Invited
Presentations
Voluntary Presentations
Invited
Presentations
Dekker, J. 2003. Crop Production and Physiology Seminar, Agronomy
Dept., ISU.
Dekker, J., Atchison, Lathrop, Todey. 200x. Brighton
Dekker,
J. 1999a. Ethics and choice of research topics in the public sector.
Symposium on Ethics in Weed Science, WSSA, Annual meeting, San Diego, CA.
Dekker,
J. 1999b. Emergent foxtail (Setaria) spp. seed behavior: A complex, hierarchical and network
system. Proceedings of the 6th
International Workshop on Seeds, Merida, Yucatan, Mexico.
Dekker,
J., E. Luschei, and D. Buhler. 1999. Autumnal germination phenotype predicts
giant foxtail (Setaria faberii)seedling emergence. 6th International
Workshop on Seeds, Merida, Yucatan,
Mexico.
Dekker,
J. 1997. Variability in weeds: Why
herbicides and other forms of weed management always fail. Symposium on
Ecological Variability and Modern Weed Management, North Central Weed
Science Society Meeting, Louisville, KY. NCWSS Proceedings 52:173-174.
Dekker,
J. 1997. Weed diversity and weed management. Keynote address to the Mexican Weed
Science Society (ASOMECIMA) Meeting, Cuernavaca, Morelos, Mexico.
Dekker,
J. 1997. Weed seed banks, dormancy and management. Keynote address to the
Mexican Weed Science Society (ASOMECIMA) Meeting, Cuernavaca, Morelos, Mexico.
Dekker,
J. 1996. The impact of 50 years of herbicide technology. Seminar for the Department of Botany and Environmental
Studies Program, University of Kansas, Lawrence, KS. Monday, Feb. 19,
1996
Dekker,
J. 1996. Complexity and weed seed banks. Seminar for the Department of Botany,
University of Kansas, Lawrence. KS. Tuesday, Feb. 20, 1996.
Dekker,
J. 1996. Utilization of weed diversity studies in weed biology for weed
management. A talk
given in a symposium on the importance of Weed Biolgy to Weed
Managementat at the annual
WSSA meeting. WSSA Abstracts
36.
Dekker,
J. 1995. Herbicides, biotechnology, weeds and the food we eat. A talk given at
the American Dietetic Association Annual meeting, Symposium on Less
Agrichemicals: Reviewing the options. October, Chicago, IL.
Dekker,
J. 1995. The behavior of seeds: a model of germinability, dormancy and
germination. Plant Physiology Dept., Agricultural University, Wageningen, The
Netherlands. October, 1995.
Dekker,
J. 1995. Bioethics in the Life Science classroom: The Iowa State University
Model. Workshop on Ethical Issues
in Crop Protection. Iowa Academy of
Science Meeting, April 21, Wartburg College, Waverly, Iowa.
Dekker.
1995. Bioethics and herbicide resistant crops. Bioethics Symposium, Workshop on
Plants. Iowa State University Bioethics Program, April 29, Ames, Iowa.
Dekker,
J., B. Dekker, H. Hilhorst, and C. Karssen. 1994. Multiple gerninability-dormancy
states in Setaria faberii: Changes in embryos with development from anthesis
to after-ripening. 1st
International Plant Dormancy Symposium, Corvallis, OR. August, 1994.
Haar,
M. and J. Dekker. 1994. Somatic polymorphism in Setaria
faberii: Germination-dormancy states at abscission. 1st International Plant
Dormancy Symposium, Corvallis, OR. August, 1994
Dekker,
J. 1993. Multiple germinability-dormancy states in giant foxtail (Setaria faberii). Plant
Physiology Dept., Agricultural University, Wageningen, The Netherlands.
December, 1993.
Dekker,
J.H. 1992. Allelochemical effects of corn gluten meal. Life Science Laboratory,
Mitsui Toatsu Chemicals, Inc., Mobara City, Japan). September, 1992.
Dekker,
J.H. 1992. Population Biology of Setaria
spp. Czechoslovakian Academy of Science, Botanical Institute, Pruhonice,
Czechoslovakia). September, 1992.
Dekker,
J. 1991. Physiological adaptations by weeds to agroecosystems. XII Congreso Nacional de la Ciencia de la Maleza. Acapulco,
Mexico; November, 1991.
Dekker,
J. 1991. Utilization of weed biology research information to solve crop
production problems. XII Congreso
Nacional de la Ciencia de la Maleza. Acapulco, Mexico; November, 1991.
Dekker,
J. 1991. Strategies to discover seed dormancy mechanisms in the Setaria species-group.
Interdepartmental Plant Physiology Program Seminar.
Dekker,
J. l988. Chrono-shifts in plant functions: An ecological mechanism of adaptation
for psbA gene mutants in natural
communities. Seminar for the Botany Department. Iowa State University, Ames.
Dekker,
J. l988. Breeding maize for
metabolic resistance to herbicides. Seminar for Plant Breeding, Agronomy Department, Iowa State University, Ames.
Dekker,
J. l988. Molecular and subcellular
plastid reorganization differentially regulates photosynthesis in Brassica napus psbA gene
mutants. Seminar for the Molecular, Cellular and Developmental
Biology Program. Iowa State University, Ames.
Dekker,
J. H. l987. A temporal phase shift in photosynthetic function in triazine
resistant Brassica
napus: Ecological and
regulatory implications. Seminar at
Zoecon Research Institute, Palo Alto, CA., December l987.
Dekker,
J. H. l986. Relationships between biological function in Agropyron repens to the molecular structure of several graminicides.
Seminar to Herbicide Synthesis Group, Stauffer Chemical Co., Richmond,
Calif. and to Herbicide Development, Mt. View, Calif., January l986.
Dekker,
J. and B. Westfall. l985. Changes in chlorophyll fluorescence in triazine
resistant and susceptible Brassica napus.
XVII International Society for Chronobiology, Little Rock, AR.
Dekker,
J. H. l985. Long term effects of several herbicides on quackgrass (Elymus
repens (L.) Gould). Part of an
international symposium on the long term control of Elymus (Agropyron) repens,
Imperial Chemicals Industries, London, November l985.
Dekker,
J. H. l985. Quackgrass interference in soybeans. Monsanto Quackgrass Seminar,
Winnipeg, October l985.
Dekker,
J. H. l984. Butylate history soils in Ontario. Soil Conditioning Seminar,
Stauffer Chemical Co., Richmond, California, August l984.
Dekker,
J. H. l984. Biology, physiology and control of quackgrass in Ontario. Dept. of
Plant Science Seminar, Univ. of Manitoba, Winnipeg, December l984.
Dekker,
J. H. l983. Quackgrass in Ontario. Main
session of Expert Committee on Weeds meeting Prince Edward Island, October l983.
Dekker,
J. H. l983. Effects of several herbicides on plant movement as seen through
time-lapse
cinematography. Depts. of
Botany and Agronomy and Plant Genetics Seminar, Univ. of Minn.,
April l983.
Dekker,
J. l982. Translocation patterns of several graminicides in quackgrass as
indicated by bud viability
assays. Herbicide Physiology Section, Nissan Chemical Co., Tokyo, August l982.
Dekker,
J. l982. Canadian Agriculture and Weed Control. A series of lectures delivered
to the faculty and student body of the Northeast Agricultural College, Harbin,
Manchuria, China in August l982.
Voluntary Presentation
Dekker, J. 2003. WSSA.
Dekker, J., Wang, R.-L., and J. Wendel. 2003. Poster. WSSA.
Dekker, J., J.
Lathrop, B. Atchison, and D. Todey. 2002. The weedy Setaria spp.
phenotype: How environment and seeds interact from embryogenesis through
germination. Proceedings of the European
Weed Research Society 12:370-371.
Dekker,
J. and M. Hargrove. 2000. Paradoxical action of carbon monoxide in foxtail (Setaria
sp.)
Dekker,
J. 1999. Agronomy 317LD: Introduction to Weed Science on the WWW. Poster
presentation to the 1999 North Central Teaching Symposium-Land-grant Tribal
Colleges/Universities Joint Meeting, Ames, Iowa.
Dekker,
J. 1999. The Behavior of weedy foxtail (Setaria
spp.) seeds: A complex adaptive
system in need of model formalization, algorithms or maybe even a game. Seminar for the Compex
Adaptive Systems Workshop, Feb. 1999, Iowa State University.
Haar,
M., and J. Dekker. 1999. Influence of tiller and panicle development on giant
foxtail (Setaria faberi) seed
dormancy. WSSA Abstracts 39:57.
Dekker,
J., E. Luschei, D. Buhler. 1999. Autumnal germination phenotype predicts giant
foxtail (Setaria faberii) seedling emergence. WSSA Abstracts 39:283.
Dekker,
J., E. Luschei, D. Buhler. 1998. Autumnal germination phenotype predicts giant
foxtail (Setaria faberii) seedling emergence. NCWSS Proceedings 53:153-154.
Dekker,
J. 1998. The "Virtual WeedPatch": A WWWeb undergraduate weed science
course. WSSA Abstracts 38:31(7.4).
Dekker,
J. 1997. The "Virtual WeedPatch": A WWWeb undergraduate weed science
course. NCWSS Proceedings 52:97.
Dekker,
J. 1997. Variability in weeds: Why
herbicides and other forms of weed management always
fail. NCWSS Proceedings 52:173-174.
Dekker,
J., J. Lux, M. Owen, R. Thornhill, D. Buhler, and K. Kohler. 1997. Annual
changes in foxtail (Setaria spp.) seed, caryopsis, and embryo germinability in the soil
seed bank. WSSA Abstracts 37:123.
Forcella,
F., R.L. Anderson, R.J. Kremer, A.E. Olness, R.G. Wilson, J. Cardina, and J.
Dekker. 1997. Relationships between weed emergence times and soil growing
degree-days in the north central United States. WSSA Abstracts 37:279.
Dekker,
J., J. Lux, M. Owen, R. Thornhill, D. Buhler, and K. Kohler. 1996. Annual
changes in foxtail (Setaria spp.)
seed, caryopsis, and embryo germinability in the soil seed bank. NCWSS
Proceedings 51:158.
Tranel,
D.M., and J.H. Dekker. 1996. Differential seed germinability in triazine
resistant and susceptible giant foxtail (Setaria
faberi). NCWSS Proceedings 51:165.
Haar,
M., and J. Dekker. 1996. Correlation of seed number and panicle length for 1°,
2°, and 3° panicles of giant, green, and yellow foxtail. Iowa Acad. of Sci.
Annual Meeting, Simpson College, Indianola, IA. April 26-7.
Reschly,
J.H. Dekker, and D.E. Stoltenberg. 1996. Comparison of seed germinability
between acetyl coenzyme A carboxylase inhibitor resistant and susceptible Setaria
faberi. Agronomy Abstracts:6.
Dekker,
J., B. Dekker, and H. Hilhorst. 1996. Multiple germinability states in giant
foxtail (Setaria faberii) seeds.
Poster presentation. WSSA Abstracts 36:241.
Wang,
R.L., J. Wendel, and J. Dekker. 1996. Genetic diversity and population genetic
structure in the weedy foxtails (Setaria
spp.). Poster presentation. WSSA Abstracts 36:265.
Forcella,
F., D.D. Buhler, R.L. Anderson, R.J. Kremer, D. Alm, E. Stoller, J. Dekker, T.
Jurik, R.G. Wilson, J. Cardina, and N. Jordan. 1996. Timing of weed seedling
emergence: accessible database for the corn belt. Poster presentation. WSSA
Abstracts 36:259.
Dekker,
J., B. Dekker, and H. Hilhorst. 1995. Multiple germinability states in giant
foxtail (Setaria faberii). NCWSS
Proceedings 50.
Haar,
M.J., and J. Dekker. 1995. Correlation of giant (Setaria
faberii), green (S. viridis) and
yellow (S. glauca) foxtail seed production with panicle length, branching
and tillering. NCWSS Proceedings 50.
Wilson,
R.G., J. Dekker, R.J. Kremer, J. Cardina, R.L. Anderson, D. Alm, K. Renner, R.G.
Harvey, S. Clay, and D.D. Buhler. 1995. Weed seedbank emergence across the corn
belt, 1991 to 1994. NCWSS Proceedings 50.
Haar,
M. and J. Dekker. 1994. Somatic polymorphism in Setaria
faberii: Germination-dormancy
states at abscission. Abst.
91. 1st International Symposium on Plant Dormancy, Corvallis, OR, USA
Dekker,
J., B. Dekker, H. Hilhorst, and C. Karssen. 1994. Multiple germinability-dormancy
states in Setaria faberii: Changes in embryos with development from anthesis
to after-ripening. Abst. 92. 1st International Symposium on Plant Dormancy,
Corvallis, OR, USA
Wang,
R.-L. and J. Dekker. 1992. Isozyme studies of genetic variation and population
differentiation in green foxtail, Setaria
viridis and yellow foxtail, Setaria
glauca. WSSA Abstracts 32:133.
Dekker,
J. 1991. An overview of new techniques and advances in weed physiology and
molecular biology. WSSA Abstracts 31:279.
Wang,
R.L. and J. Dekker. 1990. Use of molecular markers to differentiate inter- and
intra-specific variants in the foxtail (Setaria
spp.) complex. WSSA Abstracts 30:194.
Dekker,
J. and R. Burmester. 1990. Pleiotropy in triazine resistant Brassica: I. Changes in differential photosynthesis with ontogeny.
Plant Physiology Supplement 93:206.
Dekker,
J. and T. Sharkey. 1990. Pleiotropy in triazine resistant Brassica: II. Differential responses to [CO2]
and [O2]. Plant Physiology Supplement
93:207.
Dekker,
J., A.M.A. Mazen, R. Burmester and R. Thornhill. 1990. Pleiotropy in triazine
resistant Brassica: III. Regulation of differential photosynthesis by ribulose
bisphosphate carboxylase. Plant Physiology Supplement 93:208.
Dekker,
J., R. Burmester and T. Sharkey. 1990. Pleiotropy in triazine resistant Brassica:
IV. Differential responses to temperature. Plant Physiology Supplement 93:209.
Dekker,
J., R. Burmester, and R. Thornhill. 1990. Effect of temperature on
photosynthesis in triazine resistant and susceptible Brassica
napus. WSSA Abstracts 30:164.
Mazen,
A.M.A. and J. Dekker. 1990. Diurnal oscillations in ribulose bisphosphate
activity in triazine resistant and susceptible Brassica
napus. WSSA Abstracts 30:163.
Burmester,
R. and J. Dekker. 1990. Ontogenetic effects on changes in temporal
photosynthesis in triazine resistant and susceptible Brassica
napus. WSSA Abstracts 30:162.
Benavente,
R. S., J. H. Dekker and R. G. Palmer. l989. Chloroplast disruption in three
chlorophyll deficient mutants derived from a soybean [Glycine
max (L.) Merr.] line containing a transposable element. AIBS-CBA- BSA,
Toronto, Canada.
Dekker,
J. and R. G. Burmester. l989. in vivo
p-Halohydroxybenzo-nitrile detoxification kinetics in Zea
mays genotypes. Plant Physiology Supp. 89:22l.
Dekker,
J. H. and R. Burmester. l989. in vivo
p-halohydroxybenzo-nitrile detoxification kinetics in Zea
mays. WSSA Abstracts 29:l98.
Dekker,
J. H., C. Kern and P. Porpiglia. l989. Differential resistance amongst genotypes
of Zea
mays.
WSSA Abstracts 29:7.
Dionigi,
L. P. and J. H. Dekker.l989. Disruption of soybean vascular tissue by tridiphane.
WSSA Abstracts 29:l97.
Dekker,
J. and R. G. Burmester. l989.
Ontogenetic and regulatory aspects of differential diurnal
photosynthesis in a psbA gene
chronomutant of Brassica napus.
Satellite Conference to the
International Congress on Photosynthesis: Herbicides Active in the Chloroplast, Monheim, FRG.
Dekker,
J., R. Burmester and K.C. Chi. l988. Differential diel photosynthetic function
in s-triazine resistant mutants of Brassica
napus. Plant Physiology Supp.
86:l97.
Akey,
W. C. and J. Dekker. l988. Interference of velvetleaf with soybeans by
modification of the light environment. WSSA Abstracts 28:257.
Dionigi,
C. P. and J. Dekker. l988. The effects of tridiphane pretreatment on response of
soybeans to paraquat-induced oxidative stress. WSSA Abstracts 28:20l.
Dekker,
J. and R. Burmester. l988. The relationship of diurnal oscillations of carbon
reduction with fast and slow variable chlorophyll fluorescence in triazine
resistant and susceptible Brassica napus.
WSSA Abstracts 28:l84.
Dekker,
J. l988. s-triazine resistant weeds
of Iowa. NCWSS Proceedings 43:34.
Dekker,
J. and R. Burmester. l988. Fluorometric determination of in vivo p-halohydroxybenzonitrile detoxification kinetics in Zea
mays. NCWSS Proceedings 43:8l.
Dekker,
J., C. Kern and P. Porpigla. l988. Differential resistance to CGA l36872 (Primisulfuron)
amongst genotypes of Zea mays.
NCWSS Proceedings 43:30-3l.
Dekker,
J., R. Burmester and K. C. Chi. l988. Differential diel photosynthetic function
in psbA plastid
mutants of Brassica napus.
Research in Life Sciences Symposium. Iowa
State University, Ames.
Dekker,
J. and B. Westfall. 1987. Diurnal oscillations in chlorophyll fluorescence in a
triazine-resistant chronomutant of Brassica
napus. WSSA Abstracts 27:155.
Harvey,
R. G., J. H. Dekker, R. S. Fawcett, F. W. Roeth and R. G. Wilson. l986. Enhanced
biodegradation of herbicides in soil and effects on weed control. WSSA Abstracts
26:2l5.
Dekker,
J. and N. Harker. l986. Comparative efficacy of several graminicides in
controlling Quackgrass (Agropyron repens). WSSA Abstracts 26:l92.
Lux,
J. and J. Dekker. l986. Varietal responses of maize to dimethazone soil
residues. NCWCC Proceedings
4l:9l-92.
Dekker,
J. l986. Chronosymptomology of dimethazone drift:
A Boone Co., Iowa case study. NCWCC Proceedings 41:42.
Dekker,
J. l986. Diurnal oscillations in chlorophyll fluorescence in a triazine
resistant chronomutant of Brassica napus. NCWCC Proceedings41:93.
Dekker,
J. l986. Iowa cover crop species screening project.
NCWCC Proceedings 41:87.
McCormick,
B. and J. Dekker. l986. Cover crop interference in no-till corn and soybean
production. NCWCC Proceedings
41:85.
Dekker,
J. H. l985. Sublethal graminicide rates for quackgrass (Agropyron repens (L.) Beauv.) suppression in soybeans. WSSA
Abstracts 25:6-7.
Harker,
K. N. and J. H. Dekker. l985. The effect of temperature on the translocation of
sucrose,
glyphosate and several graminicides in quackgrass (Agropyron
repens (L.) Beauv.). WSSA Abstracts
25:74.
Ezra,
G., J. H. Dekker and G. R. Stephenson. l985. Tridiphane as a synergist for
herbicides in corn and proso millet (Panicum
miliaceum L.). WSSA Abstracts 25:74.
Menkveld,
J. W. and J. H. Dekker. l985. Soil acclimatization to Butylate+ in Ontario: Comparison of
degradation rates in history soils and adjacent fields.
WSSA Abstracts 25:9l.
Dekker,
J. H. l984. Long-term effects of atrazine, several graminicides and
non-selective herbicides on quackgrass. WSSA Abstracts 24:2l7.
Harker,
K. N. and J. H. Dekker. l984. Patterns of location of several 14C-graminicides within quackgrass. WSSA Abstracts 24:2l8.
Menkveld,
B. and J. Dekker. l984 Accelerated breakdown of Butylate+ in soils with a history of its use. WSSA Abstracts 24:250.
Blackshaw,
R. E. and J. H. Dekker. l984. Experimental methodology for quantitative
measurement of light interference amongst three species. NCWCC Proceedings
39:80-8l. (First place, NCWCC Graduate
Student Paper Contest.)
Dekker,
J. H. l984. Sublethal graminicide
rates for quackgrass (Agropyron repens
(L.) Beauv.)
suppression in soybeans. NCWCC Proceedings 39:35.
Dekker,
J. H. and B. Westfall. l984. Circadian and ultradian chlorophyll fluorescence
rhythms in triazine resistant and susceptible canola. NCWCC Proceedings 39:98.
Dekker,
J. H. l984. Effect of rate, carrier volume and additives on glyphosate and
sulphosate activity in quackgrass rhizomes. NCWCC Proceedings 39:98-99.
Harker,
K. N. and J. H. Dekker. l984. The effect of temperature on the translocation of
sucrose, glyphosate and several graminicides in quackgrass [Agropyron
repens (L.) Beauv.] NCWCC
39:94. (First Place, NCWCC Graduate Student Paper Contest).
Sioen,
L. M. and J. H. Dekker. l984. Quackgrass biotypes of southern Ontario. NCWCC
Proceedings 39:5.
Blackshaw,
B. and J. Dekker. l983. The
tri-specific replacement series: Interference amongst Brassica
kaber, Chenopodium album, and triazine tolerant Brassica napus. NCWCC
Proceedings 38:49.
Dekker,
J. H. l983. Long-term effects of atrazine, several graminicides and
non-selective herbicides on quackgrass. NCWCC Proceedings 38:45.
Harker,
K. N. and J. H. Dekker. l983. Patterns of translocation of several 14C-graminicides
within quackgrass. NCWCC Proceedings 38:37.
Menkveld,
B. and J. Dekker. l983. Accelerated breakdown of Butylate+ in soils with a history of its
use. NCWCC Proceedings 38:46.
Dekker,
J. H. l983. Translocation of several gramicides in quackgrass: I.
Rhizome node viability. WSSA
Abstracts 23:l53.
Dekker,
J. H. l983. Translocation of several graminicdes in Quackgrass: II.
Field rhizome excavations. WSSA
Abstracts 23:l80.
Sikkema,
P. H. and J. H. Dekker. l983. Monitoring of critical quackgrass induced stress
periods in soybeans with infrared thermometry.
WSSA Abstracts 23:62.
Dekker,
J. H. l982. The effect of soil pH on velvetleaf and green foxtail growth and
postemergence control. WSSA Abstracts 22:l00.
Dekker,
J. H. and G. W. Anderson. l982. Efficacy of several new postemergence grass
herbicides (Video Poster, Poster Section). WSSA Abstracts 22:l28.
Dekker,
J. H. and W. F. Meggitt. l982. Experimental
methodologies to demonstrate allelopathic plant interactions.
North American Symposium on Allelopathy, Univ. of Illinois,
Urbana-Champaign.
Dekker,
J. H., W. F. Meggitt and A. R. Putnam. l980. Phytosocial relationships between
soybeans (Glycine max) and velvetleaf (Abutilon
theophrasti Medic.) WSSA Abstracts 20:73-74.
Dekker,
J. H. l982. Translocation of several graminicides in quackgrass: I.
Rhizome node viability. NCWCC Proceedings 37:47.
Dekker,
J. H. l982. Translocation of several graminicides in quackgrass: II.
Field rhizome excavations. NCWCC Proceedings 37:57.
Omelian,
J. and J. H. Dekker. l982. Effect of winter rye and wheat cover crops on pigweed
and corn growth and development. NCWCC Proceedings 37:44.
Sikkema,
P. H. and J. H. Dekker. l982. Monitoring of critical quackgrass induced stress
periods in soybeans with infrared thermometry.
NCWCC Proceedings 37:53. (Second place, NCWCC Graduate Student Paper contest.).
Dekker,
J. H. l98l. Efficacy of several triazine herbicides for annual weed control in
triazine resistant rapeseed. NCWCC Proceedings 36:54.
Dekker,
J. H. l98l. Quackgrass control in soybeans with several postemergence applied
herbicides. NCWCC Proceedings 36:ll0-lll.
Dekker,
J. H. l98l. Regrowth and translocation in quackgrass (Agropyron repens (L.) Beauv.) with
several postemergence herbicides. WSSA Abstracts 21:l07.
Dekker,
J. H. and W. F. Meggitt. l980. Population dynamics of velvetleaf and soybeans.
NCWCC Proceedings 35:77.
Dekker,
J. H. l979. Ecology and control of velvetleaf in soybeans. NCWCC Proceedings
34:l2. (Third place, NCWCC Graduate
Student Paper Contest.)
Dekker,
J. H. and W. F. Meggitt. l979. A learning system to teach weed science in the
laboratory. WSSA Abstracts l9:68.
Dekker,
J. H., W. F. Meggitt, and A. R. Putnam. l978. Quantitative and qualitative
interference between velvetleaf and soybeans. NCWCC Proceedings 33:46. (Second place, NCWCC Graduate Student Paper Contest).