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1999-2000 General Catalog
University of California, Riverside
PLANT PATHOLOGY
Subject abbreviation: PLPA Donald A. Cooksey, Ph.D., Chair
Professors
Professors Emeriti
Associate Professors
Assistant Professors
Affiliated Faculty
UNDERGRADUATE CURRICULUM The Department of Plant Pathology participates in the Biological Sciences interdepartmental major, in which students may specialize in areas such as Microbiology, Plant Sciences, and Entomology. It also participates in the Botany/Plant Science major leading to the baccalaureate degree. See the Biological Sciences or Botany and Plant Sciences section of this catalog. In addition to meeting the requirements for admission to the Graduate Division, the student must have a baccalaureate major in a biological science or training equivalent to that given in the Plant Science curriculum of the College of Natural and Agricultural Sciences. Majors in the physical sciences are welcomed, but students must be prepared to augment their undergraduate preparation with courses in the biological sciences. All domestic applicants must provide General Test scores (verbal, quantitative, analytical) for the Graduate Record Examination. All candidates for the M.S. or the Ph.D. degree should have good basic preparation in chemistry and biology. It is recommended that they have completed courses in biochemistry, organic chemistry, quantitative analysis, elementary college mathematics, general physics, general botany, microbiology, statistics, genetics, plant anatomy, plant physiology, mycology, and plant pathology. If these courses have been completed as an undergraduate, graduate study will be facilitated. If students have not completed these recommended courses prior to admission for graduate studies, they may be required to take them early in their graduate career. MASTER'S DEGREE
General University requirements are given in the Graduate Studies section of this catalog. The master's degree is offered under Plans I or II. Plan I (thesis) requires 36 units of upper-division and graduate courses, of which at least 24 must be in the 200 series courses in Plant Pathology or Nematology. A maximum of 12 units may be in graduate research for the thesis. Plan II (comprehensive) requires 36 units of upper-division and graduate courses, of which at least 18 must be in the 200 series courses in Plant Pathology or Nematology, excluding graduate research for a thesis or dissertation, and a comprehensive final examination in the major subject.
The departmental graduate advisory committee, in consultation with the student's major professor or curriculum advisor, is responsible for prescribing the course of study which normally includes as a minimum, PLPA 200, PLPA 203, PLPA 204, PLPA 206/NEM 206, and participation in PLPA 250 and PLPA 260/NEM 260 for each term the student is registered.
DOCTORAL DEGREE
In accord with the student's preparation and specific interests, the departmental graduate advisory committee, in consultation with the student's major professor or curriculum advisor, prescribes areas where study is required. In addition to selected subjects in plant pathology, related fields in which some degree of competence may be expected is drawn normally from biochemistry, biology, chemistry, entomology, genetics, mathematics, microbiology, nematology, plant physiology, soils, and statistics.
The departmental graduate advisory committee, in consultation with the student's major professor or curriculum advisor, is responsible for prescribing the course of study which normally includes as a minimum, PLPA 200, PLPA 203, PLPA 204, PLPA 206/NEM 206, and participation in PLPA 250 and PLPA 260/NEM 260 for each term the student is registered. PLPA 231 and PLPA 240 are strongly recommended for most students.
1. Qualifying Examinations. Students must demonstrate to the departmental graduate advisory committee, by written and oral examination, adequate preparation in the fields fundamental to plant pathology and in any area in which students have placed special emphasis in their training. A written dissertation research proposal is to be prepared prior to the qualifying exam and defended during the oral exam. Only after successful completion of the qualifying examination and all other formal requirements to the satisfaction of the Dean of the Graduate Division, is the student advanced to candidacy for the Ph.D. degree.
2. Dissertation. A dissertation is required of every candidate. The dissertation must be approved by the dissertation committee before the candidate may take the final oral examination.
3. Final Examination. A final oral examination is required. It deals primarily with defense of the dissertation and its relation to the field in which its subject lies.
The normative time to the Ph.D. degree is 18 quarters.
Lecture, three hours. Prerequisite(s): BIOL 005A, BIOL 005B, BIOL 121A/MCBL 121A and BIOL 121B/MCBL 121B recommended. An introduction to the study of plant diseases. Topics include diseases and disease-causing agents, host-pathogen interaction during disease development, and strategies for disease management. An optional, separate laboratory is offered. Cross-listed with BIOL 120 and MCBL 120. PLPA 120L. Introduction to Plant Pathology Laboratory. (1) F Laboratory, four hours. Prerequisite(s): BIOL 005A, BIOL 005B; concurrent enrollment in BIOL 120/MCBL 120/PLPA 120 or consent of instructor; BIOL 121A/MCBL 121A and BIOL 121B/MCBL 121B recommended. Fundamentals in the use of laboratory instruments and techniques for the detection, isolation and identification of representative infectious agents that cause disease in plants. Cross-listed with BIOL 120L and MCBL 120L. PLPA 123. Introduction to Comparative Virology. (4) W Lecture, three hours; discussion, one hour. Prerequisite(s): BCH 110A-BCH 110B (BCH 110B may be taken concurrently); BIOL 107A or BIOL 121A/MCBL 121A (BIOL 107A or BIOL 121A/MCBL 121A may be taken concurrently); or consent of instructor. Considers viruses as infectious agents of bacteria, plants, and animals (vertebrates and invertebrates). Compares the major groups of viruses to each other with respect to their biological and biochemical properties, molecular and genetic characteristics, and modes of replication. Cross-listed with BIOL 123 and MCBL 123. PLPA 134. Introduction to Mycology. (3) F Lecture, three hours. Prerequisite(s): BIOL 005A, BIOL 005B, BIOL 005C, or equivalents. Introduction to the morphology, taxonomy, genetics, physiology, ecology, and economic importance of the major groups of the fungi. Cross-listed with BIOL 134. PLPA 134L. Introduction to Mycology Laboratory. (1) F Laboratory, three hours. Prerequisite(s): BIOL 005A, BIOL 005B, BIOL 005C, or equivalents; concurrent enrollment in BIOL 134/PLPA 134; or consent of instructor. Introduces fundamentals in the use of laboratory instruments and techniques for the isolation, cultivation, and identification of representatives of the major taxa of fungi. Cross-listed with BIOL 134L. PLPA 190. Special Studies. (1-5) Prerequisite(s): consent of instructor. To be taken as a means of meeting special curricular problems. PLPA 197. Research for Undergraduates. (1-4) Prerequisite(s): consent of instructor. Individual research in plant pathology performed under the guidance of members of the staff. Lecture, three hours; laboratory, three hours. Prerequisite(s): BIOL 134/PLPA 134 or consent of instructor. A study of important fungal diseases of plants, including biology of development of pathogens, host-parasite relations, and survival strategies. Emphasis will be on disease physiology, epidemiology, etiology, and control measures including breeding for resistance and chemical and biological control. Coffey PLPA 203. Bacterial Diseases of Plants. (4) W Lecture, two hours; laboratory, six hours. An extensive introduction to bacterial diseases of plants, including: symptomatology, epidemiology, diagnosis, control, and the physiology and biochemistry of plant-bacterial interactions. Cooksey. PLPA 204. Viral Diseases of Plants. (4) F Lecture, two hours; laboratory, six hours. Prerequisite(s): BIOL 120/MCBL 120/PLPA 120 or consent of instructor. A study of viral diseases of plants and the agents causing them. Topics include historical developments, symptomatology, transmission, epidemiology, management, and classification of viruses pathogenic to plants. Special emphasis placed on the molecular nature of the pathogens and the processes of pathogenesis. PLPA 206. Phytopathogens: Nematodes. (2) S Lecture, one hour; laboratory, three hours. Prerequisite(s): graduate standing or consent of instructor. Recognition, diagnosis, biology, and control of major nematode diseases of plants. Laboratory covers identification techniques, soil sampling and processing techniques, and process of pathogenesis. Cross-listed with NEM 206. Baldwin, Roberts PLPA 207. Arthropod Vectors in Relation to Plant Disease. (4) S, Even Years Lectures, two hours; laboratory, six hours. Prerequisite(s): BIOL 100/ENTM 100, BIOL 120/MCBL 120/PLPA 120; or consent of instructor. Detailed analyses of interacting mechanisms involved in the transmission of plant pathogens by arthropods. Emphasis on learning through extensive laboratory experimentation. Cross-listed with ENTM 207. PLPA 215. Genetics of Fungi. (3) S, Even Years Lecture, three hours. Prerequisite(s): BIOL 102 or consent of instructor. Molecular and cellular mechanisms of fungal reproduction and genetic recombination. Classical and molecular genetic methods used in mycological research. Genetics aspects of fungal metabolism, development, pathogenesis, systematics, and evolution. Judelson. PLPA 219. Molecular Plant Virology. (3) S, Odd Years Lecture, three hours. Prerequisite(s): PLPA 204. Molecular biology of plant, animal, and bacterial viruses and viroids with emphasis on plant viruses; replication strategies; evolution; genetics; viruses as genetic vectors; and recombination. Rao. PLPA 220A-PLPA 220B. Morphology and Taxonomy of Fungi. (4-4) 220A: F, Even Years; 220B: W, Odd Years Lecture, two hours; laboratory, six hours. Prerequisite(s): BIOL 134/PLPA 134. A survey of the Ascomycetes and Basidiomycetes (220A) and of the lower fungi, Deuteromycetes, and Myxomycetes (220B). The course will provide an in-depth examination of fungal taxonomy, classification, morphology and life cycles. The historical and ecological importance of certain fungi and their role in plant disease, industry, and human welfare will also be discussed. Menge. PLPA 221. Chemical Control of Plant Diseases. (3) W, Even Years Lecture, three hours. Prerequisite(s): consent of instructor. A study of the principles of selective toxicity as applied to the control of plant diseases; the chemistry and mechanism of action of antimicrobial agents. Eckert. PLPA 227. Molecular Nematology. (2) Lecture, two hours. Prerequisite(s): graduate standing or consent of instructor. A review of contemporary molecular plant nematology. Topics include genetics, identification, plant disease resistance, and bioengineering resistance. Discusses the use of Caenorhabditis elegans as a model system for plant nematodes. Cross-listed with NEM 227. PLPA 230. Physiology of Fungi. (3) F, Even Years Lecture, three hours. Prerequisite(s): BCH 100, BIOL 134/PLPA 134 or consent of instructor. General introduction to the biology of parasitic and saprophytic fungi. Cell composition and structure; nutrition and metabolic activities; biochemical foundation of growth and morphogenesis (sporulation, germination); reaction to natural and artificial environmental factors. PLPA 231. Physiology of Plant Disease. (3) F, Odd Years Lecture, three hours. Prerequisite(s): BCH 100, BIOL 120/MCBL 120/PLPA 120, or equivalents. A study of the physiology of host-pathogen interactions with emphasis on the metabolism of diseased plants, nature of pathogenicity and defense mechanisms in plants. Keen. PLPA 235. Epidemiology of Plant Disease. (4) S, Even Years Lecture, three hours; discussion, one hour. Prerequisite(s): BIOL 120/MCBL 120/PLPA 120. An introduction to the study of plant disease epidemics and their management. Topics will include: temporal, spatial, and genetic aspects of disease development in plant populations; assessment and prediction of disease and crop loss; inoculum density-disease relationships; and modeling. PLPA 240. Field Plant Pathology. (1) F Field trips. Prerequisite(s): consent of instructor. This course will deal with diagnosis of plant disease in the field, collection methods, identification of pathogens, and control methods. Course to be graded Satisfactory (S) or No Credit (NC). Grebus, Paulus. PLPA 245. Field Mycology. (1) F, Odd Years Field trips. Prerequisite(s): BIOL 134/PLPA 134 or consent of instructor. This course will deal with observation, collection and identification of fungi both in the field and the laboratory. Course to be graded Satisfactory (S) or No Credit (NC). Menge. PLPA 246. Diagnosis of Plant Disease. (2) W Lecture, one hour; laboratory, one hour; field, two hours. Prerequisite(s): graduate standing or consent of instructor. Field trips to observe symptomology of diseases in nature, identification by laboratory and greenhouse tests, approaches to control, culture practices for major California crops, and influences of crop management on disease development. Paulus. PLPA 250. Seminar in Plant Pathology. (1) Seminar, one hour. Reports and discussions of selected topics in plant pathology by graduate students. Course to be graded Satisfactory (S) or No Credit (NC). PLPA 257. Graduate Seminar in Cell, Molecular, and Developmental Biology. (1) Seminar, one hour. Prerequisite(s): graduate standing. Lectures by visiting scholars on current research in cell, molecular, and developmental biology. Graded Satisfactory (S) or No Credit (NC). Course is repeatable. Cross-listed with BCH 257, BIOL 257, BMSC 257, BPSC 257, ENTM 257, ENTX 257, NEM 257, and NRSC 257. PLPA 260. Current Research in Plant Pathology and Nematology. (1) Seminar, one hour. Prerequisite(s): graduate status. Topics in plant pathology and nematology will be discussed by outstanding workers in the field from this and other campuses and by graduating students. Course to be graded on a Satisfactory (S) or No Credit (NC) basis. Cross-listed with NEM 260. PLPA 261. Colloquium in Recombinant DNA. (1) Seminar, one hour. Prerequisite(s): graduate status or consent of instructor. Oral reports by visiting scholars, faculty and students on current research topics in recombinant DNA. Graded Satisfactory (S) or No Credit (NC). Course is repeatable. Cross-listed with BCH 261, BIOL 261, BPSC 261, and ENTM 261. PLPA 265. A Colloquium on the Principles of Plant Pathology. (3) Lecture, three hours. Prerequisite(s): advanced standing in the program. Faculty members will rotate as leaders in structured discussions leading to a synthesis of concepts from other courses, the heterogeneity of plant pathology as a scientific discipline, and its unifying principles. To be graded Satisfactory (S) or No Credit (NC). PLPA 290. Research or Study on Special Topics by Individual Graduate Students. (1-6) Research, one to six hours. Prerequisite(s): graduate status. This course is designed to allow graduate students to study an area or areas not covered by formal course work under a professor who will direct the amount and judge the quality of the work. Course to be graded Satisfactory (S) or No Credit (NC). Course is repeatable. PLPA 291. Individual Study in Coordinated Areas. (1-6) Research, one to six hours. Prerequisite(s): graduate status. A program of study designed to advise and assist candidates who are preparing for examinations. A student may take up to 12 additional units prior to successful completion of the Ph.D. qualifying examination. Course to be graded Satisfactory (S) or No Credit (NC). PLPA 297. Directed Research. (1-6) Course will be graded Satisfactory (S) or No Credit (NC). PLPA 299. Research for Thesis or Dissertation. (1-12) Course will be graded Satisfactory (S) or No Credit (NC). Course is repeatable. See Subject Abbreviations for interpreting course listings. 1999-2000 UCR Catalog main page UCR Student Information and Records Help Page | What's New | Search this site E-mail the site manager
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