Plant Pathology (PLP)

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Courses

Courses primarily for undergraduates:

(Dual-listed with PLP 5080).
Credits: 3. Contact Hours: Lecture 2, Laboratory 2.

Principles underlying the nature, diagnosis, and management of plant diseases. Laboratory complements lecture topics and provides experience in plant disease diagnosis. (Typically Offered: Fall, Spring)

(Cross-listed with FOR 4160).
Credits: 3. Contact Hours: Lecture 2, Laboratory 2.

Nature of insects and pathogens of forest and shade trees; their role in the dynamics of natural and managed forest ecosystems; and the management of indigenous and exotic pests. Laboratory experience working with insect and fungal pests of trees. (Typically Offered: Fall)

(Dual-listed with PLP 5520/ ENT 5520/ HORT 5520). (Cross-listed with ENT 4520/ HORT 4520).
Credits: 3. Contact Hours: Lecture 3.

Prereq: HORT 3510
Identification and biology of important diseases and insect pests of turfgrasses. Development of integrated pest management programs in various turfgrass environments. Offered even-numbered years. (Typically Offered: Spring)

(Dual-listed with MICRO 5770/ PLP 5770). (Cross-listed with MICRO 4770).
Credits: 3. Contact Hours: Lecture 3.

Prereq: 3 credits in MICRO or PLP
Overview of plant-associated bacteria including their ecology, diversity, and the physiological and molecular mechanisms involved with their interactions with plants. The course covers bacterial plant pathogens and pathogenesis, nitrogen fixation and plant symbioses, biological control and plant growth promotion, bacterial disease diagnosis and management, and approaches to the study of microbial communities in the rhizosphere and on leaves. Offered even-numbered years. (Typically Offered: Spring)

Credits: 1-3. Repeatable, maximum of 6 credits.

Prereq: 7 credits in BIOL; Junior or Senior classification; Permission of Instructor
Graduation Restriction: A maximum of 6 credits of PLP 4900 may be used toward the total of 128 credits required for graduation. (Typically Offered: Fall, Spring, Summer)

Credits: 1-3. Repeatable, maximum of 6 credits.

Prereq: 7 credits in BIOL; Junior or Senior classification; Permission of Instructor; Membership in the University Honors Program
Graduation Restriction: A maximum of 6 credits of PLP 4900 may be used toward the total of 128 credits required for graduation. (Typically Offered: Fall, Spring, Summer)

(Dual-listed with PLP 5940/STB 5940). (Cross-listed with STB 4940).
Credits: 2. Contact Hours: Lecture 2.

Prereq: PLP 4080
Significance of biotic and abiotic diseases that affect the production and utilization of seeds, during each phase of the seed life cycle: growing, harvesting, conditioning, storing, and planting seed. Mechanisms of seed infection and seed-to-seedling transmission are considered for fungi, bacteria, viruses/viroids, and nematodes. Aspects of epidemiology, management, and host-pathogen relationships are discussed. Emphases include the role of seed health testing in the global seed industry for quality control and phytosanitary certification, as well as the use of seed treatments to mage seedborne and soilborne pathogens and pests. Concurrent enrollment in PLP 4940L/5940L (Seed Pathology Laboratory) is strongly encouraged (on-campus students only). Graduation Restriction: Credit may not be obtained for both PLP/STB 5920 and PLP 5940. Offered odd-numbered years. (Typically Offered: Fall)

(Dual-listed with PLP 5940L/STB 5940L). (Cross-listed with STB 4940L).
Credits: 1. Contact Hours: Laboratory 3.

Prereq: PLP 4080
Laboratory in seed pathology. Seed health testing methods; effects of seed treatments and seed conditioning on seedborne pathogens. Offered odd-numbered years. (Typically Offered: Fall)

Credits: 2. Contact Hours: Lecture 2.

Prereq: Minimum 2.0 GPA and Sophomore, Junior, Senior or Graduate Classification
Topics include preparation for safe international travel, agricultural production and associated diseases, as well as the country's history and culture. Students enroll in this course the term immediately before travel to the foreign country for PLP 4960X. (Typically Offered: Spring)

Credits: 3. Repeatable, maximum of 6 credits.

Agricultural production in unique regions of the world. Visit farms, industries and educational institutions for hands-on classes, tours, food tasting, and social interactions with students, researchers, farmers and business people. Location and duration of the travel will vary.

Courses primarily for graduate students, open to qualified undergraduates:

Credits: 2. Contact Hours: Lecture 2.

Prereq: (BIOL 3130 and PLP 4080 or PLP 4160) or Graduate Classification60) or Graduate Classification
Introduction to mechanisms of plant-parasite interaction. Genetics and molecular genetics of plant disease resistance and pathogenicity. Offered odd-numbered years. (Typically Offered: Spring)

(Dual-listed with PLP 4080).
Credits: 3. Contact Hours: Lecture 2, Laboratory 2.

Prereq: Graduate Standing or Permission of Instructor
Principles underlying the nature, diagnosis, and management of plant diseases. Laboratory complements lecture topics and provides experience in plant disease diagnosis. (Typically Offered: Fall, Spring)

(Cross-listed with MICRO 5090).
Credits: 2. Contact Hours: Lecture 1, Discussion 1.

Prereq: (BBMB 3010 or BIOL 3130) or Graduate Classification
Taxonomy, molecular mechanisms, host-interactions, vector transmission, epidemiology, detection, control and exploitation of plant viruses. Course will consist of a mixture of lectures, and student-led presentations using primary literature. Offered odd-numbered years. (Typically Offered: Spring)

(Cross-listed with ENT 5110/ HORT 5110).
Credits: 3. Contact Hours: Lecture 3.

Prereq: (ENT 3700 or ENT 3760 or HORT 2210 or PLP 4080 or PLP 4160) or Graduate Classification
Applications of Integrated Crop management principles (including plant pathology, entomology, and horticulture) to tropical cropping systems. Familiarization with a variety of tropical agroecosystems and Costa Rican culture is followed by a 10-day tour of Costa Rican agriculture during spring break, then writeup of individual projects. Offered odd-numbered years. Meets International Perspectives Requirement. (Typically Offered: Spring)

(Cross-listed with AGRON 5300/ ENT 5300/ SUSAG 5300).
Credits: 3. Contact Hours: Lecture 3.

Prereq: Graduate Standing or Permission of Instructor
Durable, least-toxic strategies for managing weeds, pathogens, and insect pests, with emphasis on underlying ecological processes. Offered odd-numbered years. (Typically Offered: Fall)

Credits: 3. Contact Hours: Lecture 3.

Prereq: (PLP 4080 or PLP 4160) or graduate classification
Nutter. Theory and practice related to the ecology and epidemiology of plant disease epidemics. Interactions among host and pathogen populations as affected by the environment are quantified with respect to time and space. Alysis of ecological and host and pathogen genetic factors that alter the course of plant disease epidemics. Risk assessment theory, disease forecasting, and modeling the impact of biotic plant stresses on yield and quality are also emphasized. Offered odd-numbered years. (Typically Offered: Fall)

(Dual-listed with PLP 4520/ ENT 4520/ HORT 4520). (Cross-listed with ENT 5520/ HORT 5520).
Credits: 3. Contact Hours: Lecture 3.

Prereq: HORT 3510 or Graduate Classificationion
Identification and biology of important diseases and insect pests of turfgrasses. Development of integrated pest management programs in various turfgrass environments. Offered even-numbered years. (Typically Offered: Spring)

Credits: 2. Contact Hours: Lecture 2.

Prereq: Graduate Standing or Permission of Instructor
Morphology, atomy, identification, management, and life cycles of common plant-parasitic nematodes; host parasite interactions; recent advances in plant nematology. Offered odd-numbered years. (Typically Offered: Fall)

Credits: 1. Contact Hours: Laboratory 3.

Prereq: Graduate Standing or Permission of Instructor
Practical skills of sample collection, processing, extraction, and identification of plant-parasitic nematodes from soil and roots; other techniques will be discussed. Offered odd-numbered years. (Typically Offered: Fall)

(Dual-listed with MICRO 4770/ PLP 4770). (Cross-listed with MICRO 5770).
Credits: 3. Contact Hours: Lecture 3.

Prereq: (3 credits in MICRO or PLP) or Graduate Classification
Overview of plant-associated bacteria including their ecology, diversity, and the physiological and molecular mechanisms involved with their interactions with plants. The course covers bacterial plant pathogens and pathogenesis, nitrogen fixation and plant symbioses, biological control and plant growth promotion, bacterial disease diagnosis and management, and approaches to the study of microbial communities in the rhizosphere and on leaves. Offered even-numbered years. (Typically Offered: Spring)

(Cross-listed with AGRON 5810/ ENT 5810/ HORT 5810).
Credits: 1.

Prereq: Graduate Standing or Permission of Instructor
A supervised learning experience in several extension delivery methods used in the plant sciences. Participation in Iowa State University-based extension programs that may include field crops horticulture, or Master Gardener programming. Offered odd-numbered years. (Typically Offered: Summer)

Credits: 1-3. Repeatable.

Prereq: 10 credits in biological sciences, Permission of Instructor
(Typically Offered: Fall, Spring, Summer)

(Dual-listed with PLP 4940/STB 4940). (Cross-listed with STB 5940).
Credits: 2. Contact Hours: Lecture 2.

Prereq: PLP 4080 or Graduate Classification
Significance of biotic and abiotic diseases that affect the production and utilization of seeds, during each phase of the seed life cycle: growing, harvesting, conditioning, storing, and planting seed. Mechanisms of seed infection and seed-to-seedling transmission are considered for fungi, bacteria, viruses/viroids, and nematodes. Aspects of epidemiology, management, and host-pathogen relationships are discussed. Emphases include the role of seed health testing in the global seed industry for quality control and phytosanitary certification, as well as the use of seed treatments to mage seedborne and soilborne pathogens and pests. Concurrent enrollment in PLP 4940L/5940L (Seed Pathology Laboratory) is strongly encouraged (on-campus students only). Graduation Restriction: Credit may not be obtained for both PLP/STB 5920 and PLP 5940. Offered odd-numbered years. (Typically Offered: Fall)

(Dual-listed with PLP 4940L/STB 4940L). (Cross-listed with STB 5940L).
Credits: 1. Contact Hours: Laboratory 3.

Prereq: PLP 4080 or Graduate Classification
Laboratory in seed pathology. Seed health testing methods; effects of seed treatments and seed conditioning on seedborne pathogens. Offered odd-numbered years. (Typically Offered: Fall)

Credits: 2. Contact Hours: Laboratory 4.

Basic laboratory skills in plant pathology research taught through hands-on experience. A variety of phytopathogens and topics explored. (Typically Offered: Fall)

Credits: 1-30. Repeatable.

Prereq: Graduate Standing or Permission of Instructor
Independent study related to the student's area of specialization and approved by the student's major professor. (Typically Offered: Fall, Spring, Summer)

Courses for graduate students:

(Cross-listed with MICRO 6080/ VMPM 6080).
Credits: 3. Contact Hours: Lecture 3.

Prereq: BBMB 4050 or GDCB 5110
Advanced study of virus host-cell interactions. Molecular mechanisms of viral replication and pathogenesis. Offered even-numbered years. (Typically Offered: Fall)

(Cross-listed with MICRO 6920).
Credits: 3. Contact Hours: Lecture 3.

Semil and current research in molecular and physiological aspects of plant interactions with pathogens, including mechanisms of pathogenesis, host-pathogen recognition and host defense, with an emphasis on critical evaluation of primary literature. Students also complete a research proposal writing and peer review exercise. Offered odd-numbered years. (Typically Offered: Spring)

Credits: 1. Contact Hours: Lecture 1.
Repeatable.

Offered on a satisfactory-fail basis only. (Typically Offered: Fall, Spring)

Credits: 1-30. Repeatable.

Thesis and dissertation research. Offered on a satisfactory-fail basis only. (Typically Offered: Fall, Spring, Summer)