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Plant and Environmental Protection Sciences (PEPS)

College of Tropical Agriculture and Human Resources

A grade of C or better is required in prerequisite courses.

PEPS 210 Introduction to Environmental Science (3) Analysis of our environment with emphasis on understanding relationships and interactions of physical, biological, technological, and political components using scientific methods of inquiry. Food supply and safety, water quality, pollution control, biodiversity, environmental policy. Open to nonmajors. (Cross-listed as NREM 210) DB

PEPS 250 The World of Insects (3) Biology/ecology of insects with emphasis on relationships to plants, animals, and especially people in Hawai‘i and the tropics. Open to nonmajors. A-F only. DB

PEPS 310 Environment and Agriculture (3) Overview of environmental issues and impacts associated with agriculture, specifically pest management issues, and options for environmentally responsible management and amelioration of these impacts. Pre: 210 or consent.

PEPS 350 Invasive Pest Species (3) Ecological, economic and sociological impacts of invasive pest species on tropical ecosystems; characteristics of invasive species and nature of vulnerable habitats; management of invasive species or eradication options; impacts on evolution, biological diversity and ecological stability. Open to nonmajors. (Alt. years: spring) DB

PEPS 363 General Entomology (3) Biology, diversity, and ecology of insects with emphasis on Hawaiian fauna. Classification to order level. A-F only. Pre: BOT 101 or ZOOL 101 or BIOL 171; or consent. DB

PEPS 363L General Entomology Laboratory (1) Laboratory in the biology and classification to family level of Hawai‘i’s insects and arthropods. A-F only. Pre: 363 (or concurrent) or consent. DY

PEPS 371 Genetics: Theory to Application (3) Fundamentals of genetic theory using biotechnological procedures in insect and plant pathogen control and plant and animal breeding as practical applications. Repeatable one time. A-F only. (Cross-listed as TPSS 371)

PEPS 405 Plant Pathogens and Diseases (4) (3 Lec, 1 3-hr Lab) Classification, morphology, ecology, and biology of bacteria, fungi, nematodes, and viruses that attack economic crops. Etiology and control of plant diseases. Pre: 210 or BOT 101 or MICR 130, or consent. (Fall only) DB

PEPS 410 Sustainable Soil and Plant Health Management (2) Provides knowledge and understanding of soils, agroecology, and sustainable approaches for plant health management, and prepares students for applied research in various tropical cropping systems. A-F only. Pre: 210 or TPSS 220 or consent. (Alt. years: spring)

PEPS 418 Turfgrass Pest Management (4) Provides students with knowledge and real world experience on common turfgrass pests and management strategies in Hawai‘i, with emphasis on integrated pest management. Common cool-season turfgrass and pest management are also discussed. Repeatable unlimited times but credit earned one time only. A-F only. Pre: 210 or consent. (Fall only) (Cross-listed as TPSS 418)

PEPS 421 Foundations of Pest Management (4) (3 Lec, 1 3-hr Lab) Principles and concepts of insect pest management using biological, ecological, cultural, behavioral, legislative, microbial and chemical methods. A-F only. Pre: one of the following: 250 or 363, BIOL 171, BIOL 172, or BOT 101; or consent. (Spring only) DB

PEPS 422 Biocontrol of Invasive Species (3) Biological control of arthropods, weeds, plant pathogens, and vertebrates. Pre: 363 or consent. DB

PEPS 430 Plant Disease Management (3) Diagnosis, epidemiology, and integrated management of important plant diseases and pathogens for key plants and cultivated crops in various agroecosystems in Hawai‘i, the Pacific, and the global tropics. Pre: 405. (Spring only)

PEPS 451 Environmental Law (3) Exploration of federal laws, regulations, and precedents that govern our interaction with the environment. Analysis of laws regulating air, water, toxins, pests, endangered species, and environmental justice. Pre: junior or senior standing.

PEPS 463 Urban Pest Management (3) (2 Lec, 1 3-hr Lab) Biology, ecology, and management of pest organisms associated with people, structures and the urban environment. Pre: 363 or consent. DB

PEPS 481 Weed Science (3) (2 Lec, 1 3-hr Lab) Weed classification, identification, adaptations for weediness; principles of weed control; properties, uses, and action of herbicides. Lab: pesticide application equipment and techniques, no-till farming, greenhouse and field experiments. A-F only. Pre: CHEM 152 and TPSS 200, or consent. (Fall only) (Cross-listed as TPSS 481) DB

PEPS 486 Symbioses (3) Study of symbioses in insects and a wide range of organisms. Students will learn the types of symbioses, evolution, and ecology of symbiotic lifestyles, and their impact on agriculture and human health.

PEPS 491 Topics in Plant & Environmental Protection (V) Study and discussion of significant topics and problems. May be offered by visiting faculty, extension faculty or research faculty. Repeatable two times.

PEPS 495 PEPS Capstone (4) Integration and application of academic knowledge and critical skills emphasizing professional development, Directed Research, field studies, employment with cooperating businesses, government or schools are all options. A-F only. Pre: consent.

PEPS 499 Directed Research (V) Conduct original research in environmental protection sciences. Limited to qualified undergraduate students. Repeatable two times. CR/NC only.

PEPS 601 Agrosecurity and Food Safety (2) Concepts of agrosecurity and food safety (including plant and animal biosecurity), global impacts of introduced pests and diseases, and current mechanisms for interception of pests and mitigation of disease. A-F only. (Fall only)

PEPS 605 Biology of Plant Pathogens: Fungi and Nematodes (4) (2 Lec, 2 3-hr. Lab) Principles and concepts in pathogen biology, epidemiology and management of plant diseases caused by fungi, oomycetes, and nematodes. Laboratory techniques for isolation and identification of pathogens and disease diagnosis. A-F only. (Fall only)

PEPS 606 Biology of Plant Pathogens: Bacteria and Viruses (4) (2 Lec, 2 3-hr Lab) Principles and concepts in pathogen biology, epidemiology, and management of plant diseases caused by bacteria and viruses. Laboratory techniques for isolation and identification of pathogens and disease diagnosis. A-F only. Pre: 605 (with a minimum grade of B). (Spring only)

PEPS 615 Diagnosis and Management of Tropical Plant Diseases (3) Iterative and interactive course integrating plant pathogen and pest biology with diagnostic and management approaches. Will use biological information about pathogens, anthropods, and abiotic stresses to diagnose diseases, disorders, or other injuries of plants. A-F only. Pre: (605 and 606) with a minimum grade of B, or consent. Co-requisite: 615L. (Summer only)

PEPS 615L Diagnosis and Management of Tropical Plant Diseases Laboratory (2) Diagnosis and management of plant pathogen and pest problems in laboratory and field. Taught concurrently with 615. A-F only. Pre: (605 and 606) with a minimum grade of B, or equivalent. Co-requisite: 615. (Summer only)

PEPS 616 Plant Nematology (3) (2 Lec, 1 3-hr Lab) Study of nematode biology (taxonomy, genetics, behavior), interactions with plants and animals, and sustainable management practices in an integrated lecture-laboratory setting. Pre: graduate standing or consent.

PEPS 630 Plant Virology (4) (2 Lec, 2 3-hr Lab) Isolation, identification, and molecular biology of plant viruses; biological and physical properties. Pre: 402, 405; or consent.

PEPS 641 Insect Physiology (2) (2 Lec) Study of the principal physiological and biochemical functions in insects, with emphasis on hormonal interactions. Pre: 402 or consent.

PEPS 646 Plant-Bacterial Interactions (3) Diagnosis, molecular biology, genetics, and infection mechanisms of bacterial plant pathogens and symbionts. Pre: one of BIOC 481, MICR 351, MICR 475; or consent. (Cross-listed as MICR 646)

PEPS 652 Molecular Plant–Fungal Interactions (3) Focuses on the actions of plant pathogenic fungi/oomycetes and their host responses at the molecular and cellular level. Current genetic and genomic approaches to study plant-fungal interactions will be discussed. Graduate standing only. Pre: consent. (Every 2 years) (Cross-listed as MBBE 652)

PEPS 660 Seminar in Plant Pathology (1) Seminar on research and topics in plant pathology. Repeatable unlimited times. A-F only. Pre: graduate standing or consent.

PEPS 662 Systematics and Phylogenetics (3) (2 Lec, 1 3-hr Lab) Classification and study of diversity among insects and other life forms. Use of morphological and molecular characters to reconstruct evolutionary histories. A-F only. Pre: graduate standing or consent.

PEPS 655 Quantitative Genomics and Evolution (3) Overview and lab-based course exploring theory and methods to understand genome evolution and adaptation; focus will be on a range of organisms. Pre: TPSS 453 and TPSS 603, or consent. (Cross-listed as TPSS 615)

PEPS 671 Insect Ecology (3) (2 Lec, 1 3-hr Lab) Insects as living units in an environment of physical and biotic factors. Pre: consent of instructor.

PEPS 675 Biological Control of Pests (3) (2 Lec, 1 3-hr Lab) Fundamental concepts. Critical study of major biological control projects. Pre: 421 or consent. Recommended: 662; and ZOOL 631 or 632.

PEPS 676 Biological Control of Weeds (3) Examine approaches to weed biological control of invasive plants in various environments with different agents (insects, pathogens, and vertebrates), integration with other management tactics, sociopolitical aspects, and history of the practice. Graduate students only. Pre: 421 or 422 or consent. (Alt. years)

PEPS 686 Invertebrate Microbiology (3) (2 Lec, 1 3-hr Lab) In-depth study of the molecular and cellular interactions between microbes and animals. Topics will cover types of symbioses, gut microbiome, parasites, and agricultural pathogens, and disease and human health disease.

PEPS 690 Seminar in Entomology (1) Seminars on research and topics in entomology. Repeatable unlimited times. Pre: graduate standing or consent.

PEPS 691 Special Topics (V) Study and discussion of significant topics and problems in plant and environmental protection sciences at an advanced level. Offered by visiting or existing faculty as a special course. Repeatable unlimited times. Pre: graduate standing or consent.

PEPS 695 Plan B Master’s Project (3) Independent study for students working on a Plan B master’s project. A grade of Satisfactory (S) is assigned when the project is satisfactorily completed. A-F only. Pre: graduate standing in entomology or tropical plant pathology.

PEPS 699 Directed Research (V) Directed research, critical reviews in environmental protection sciences, entomology, or plant pathology. Repeatable unlimited times. CR/NC only.

PEPS 700 Thesis Research (V) Research for master’s thesis. Repeatable unlimited times. CR/NC only.

PEPS 799 Proposal/Defense Seminar (1) Thesis/dissertation proposal and defense seminars. Repeatable one time. CR/NC only. Pre: graduate standing or consent.

PEPS 800 Dissertation Research (V) Research for doctoral dissertation. Repeatable unlimited times. CR/NC only.