The University of Arizona  1993-95 General Catalog

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Plant Pathology (PL P)
Forbes Building, Room 104
(520) 621-1828

Professors Merritt R. Nelson, Head, Stanley M. Alcorn (Emeritus),
Robert L. Gilbertson, Richard B. Hine, Michael A. McClure,
Michael E. Stanghellini, Hans D. Van Etten

Associate Professors H. Earl Bloss (Emeritus), Martha C. Hawes,
Christina K. Kennedy

Assistant Professors Marc Orbach, Leland S. Pierson III, Zhongguo

Adjunct Professors George Cummins, John S. Niederhauser

Rsearch Associate Professor Mary Olsen

Research Assistant Professor Elizabeth Pierson

Associate Extension Specialist/Research Scientist Michael K.

Associate Research Scientist, Mary Olsen (Environmental Research

The department offers programs leading to the Master of Science
and Doctor of Philosophy degrees with a major in plant pathology.
Subject areas within the department include mycology, nematology,
virology, and microbiology.

For graduate admission and degree requirements, consult the
Graduate Catalog.

195. Colloquium
b. Agriculture as a Science (1) II (Identical with PL S 195b,
which is home)

197. Workshop
a. Genetic Engineering (1) S Open to participants in Horizons
Unlimited Summer Program (Identical with PL S 197a, which is the

250. Forest Pathology (3) II Basic principles of plant pathology,
with emphasis on diseases of forest trees and associated
vegetation. Designed for majors in natural resources. 2R, 3L. P,
PL S 100. (Identical with WS M 250)

305. Introductory Plant Pathology (3) I Detailed study of
representative plant diseases, with emphasis on basic concepts of
diagnosis, cause, epidemiology, and control. P, PL S 100 or MCB

402. Agriculture and the Environment: Focus on Pesticides (3) I
(Identical with A ED 402) May be convened with 502.

421a-421b. Microbiological Techniques (3-3) (Identical with MIC

428. Microbial Genetics (3) II Prokaryotic gene structure,
replication, transfer, and recombination; control of gene
expression. Plasmids, bacteriophage, mobile elements; their use
in genetic analysis and biotechnology. P, MIC 317 or ECOL 320 or
PL S 312. (Identical with ECOL 428, MCB 428, MIC 428, S W 428 and
V SC 428)

502. Agriculture and the Environment: Focus on Pesticides (3) I
(Identical with A ED 502) May be convened with 402.

516. Plant Nematology (2) II 1993-94 Comprehensive course in
plant nematology, including the nature, ecology, and
classification and control of nematode diseases of plants. P,

550. Advanced Plant Pathology (4) I 1994-95 Topics include major
concepts in classical and molecular genetics of plant-pathogen
interactions; physiology, biochemistry, and molecular biology of
plant pathogenesis; principles of plant epidemiology and theories
and practices of plant disease control. P, 305 or equivalent.

551. Biology and Characterization of Plant Pathogenic Agents (4)
II 1994-95 Examines the biological properties of the various
groups of plant pathogens and the contemporary methods used to
characterize these agents and the diseases they cause. 3R, 3L. P,
305 and at least one laboratory course (e.g., MIC 205, MCB
181/182, etc.) or consent of instructor.

575. Advanced Mycology (3) I 1993-94 Biology of fungi, including
morphology, physiology, classification, genetics, ecological
significance, and economic importance; emphasis on plant
pathogens and environmentally essential fungi. 2R, 3L. P, ECOL
104 and PL S 100.

596. Seminar
a. Current Research (1-3) [Rpt./8] I II

601. Rhizosphere Biology of Root Infecting Fungi (3) I 1994-95
Current literature and concepts concerning the rhizosphere
ecology and epidemiology of soil-borne plant pathogenic fungi.
2R, 3L. P, 305, 551.

602. Signal Exchange in Plant Root-Microbe Interactions (3) II
1993-94 Examination of theoretical understanding of factors that
influence both pathogenic and beneficial microbial associations
with plant roots. Physical, biochemical, and molecular aspects of
plants and their associated microorganisms presented through a
combination of lectures and discussions of current literature in
the field. P, BIOC 560, PL P 305 or consent of instructor.

611. Molecular Plant Virology (3) II 1993-94 Current advances in
the structure of viral genomes, function and regulation of viral
genes, molecular plant-virus interactions, and molecular
strategies for viral disease control. 2R, 3L. P, 305, BIOC 460.

612. Biological Electron Microscopy (4) I (Identical with MCB

621. Molecular Plant-Microbe Interactions (3) I 1993-94 Molecular
properties that control development of host, parasite, and
symbiotic relationships. Contemporary molecular hypotheses are
related to genetic and biochemical data available on disease
resistance and pathogenesis. P, BIOC 460. (Identical with BIOC
621 and MCB 621)

694. Practicum
a. Clinical Plant Pathology (1-3) [Rpt./2] I II P, 551.
b. Teaching Techniques in Plant Pathology (1-3) [Rpt./2] I II P,

695. Colloquium
a. Current Topics in Plant Biology (1) I II (Identical with MCB
695a and PL S 695a)


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