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Tropical Plant and Soil Sciences (TPSS)

TAHR 099 International Exchange Study/Research (V)

Study overseas in an approved international or similar exchange program. CR/NC only. Pre: consent of academic advisor.

TAHR 250 Introduction to Sustainability from Social Science Perspectives (3)

Introduction to key concepts and theories in social sciences in relation to sustainability issues. (Cross-listed as SOC 230 and SUST 250)

TAHR 251 Scientific Principles of Sustainability (3)

Introduction to the scientific principles of sustainability, including the ecology of managed and natural ecosystems, global change biology, ecological principles of natural resource management, renewable energy technologies, and the environmental impacts of humans.

TAHR 415 Extension Education & Outreach (2)

Introduces an essential component of the Land Grant Mission. Students will explore the foundational components of extension education including agent expectations, program development and evaluation, audience engagement, building partnerships, funding structures. Repeatable one time. Junior standing or higher. A-F only. (Cross-listed as TPSS 415)

TPSS 120 (Alpha) Plants for People (1)

The origins: social, cultural, and ceremonial traditions; culture; food and nutritional properties. Processing of a variety of tropical horticultural plants are presented, with tasting sessions and optional field trips. Topics will rotate among (B) beverage crops (e.g., coffee, tea, chocolate, kava, fruit juices); (C) herbs, spices, and flavoring (selection of examples to be determined); (D) tropical fruits (assortment offered depends on availability during semester); (E) ornamental plants (flowers, houseplants, popular landscape plans, bonsai, ethnic ornamentals). Does not count towards TPSS major. Pre: consent.

TPSS 156 Sustainable Food and Energy (Field Course) (V)

Examines the nexus of food, energy, and water in Hawai‘i for sustainable development. Repeatable two times, up to nine credits. (Cross-listed as SUST 156)

TPSS 156L Natural History Field Trips on Hawai‘i Island (1)

Field trips for Natural history and Conservation of the Hawaiian Islands. A-F only. Co-requisite: 156. (Summer only)

TPSS 200 Agriculture, Environment, and Society (3)

Relationship of plants, soils, and the environment, and how they relate to cultural practices and society in agroecosystems with an emphasis on Hawai‘i as a model system. (Cross-listed as SUST 211)

TPSS 210 Aquaponics (3)

Basic online course integrates aquaculture (raising fish and prawns) with hydroponics plant cultivation in water. Includes the basic design and construction of an aquaponics feed system. Repeatable one time. (Summer only)

TPSS 220 Organic Food Crop Production (2)

Combined lecture/lab on the theory and practice of certified organic food production. Field visits to organic farms/markets included. Open to nonmajors. (Fall only) (Cross-listed as SUST 221)

TPSS 251 Scientific Principles of Sustainability (3)

Introduction to the scientific principles of sustainability, including the ecology of managed and natural ecosystems, global change biology, ecological principles of natural resource management, renewable energy technologies, and the environmental impacts of humans. (Cross-listed as NREM 251 and SUST 251)

TPSS 300 Tropical Production Systems (4)

(3 Lec, 1 3-hr Lab) Comparisons and contrasts of crop management systems, techniques, and technologies in protected and open field production of tropical crops. Pre: 200/SUST 211 or consent.

TPSS 304 Fundamentals of Soil Science (3)

Origin, development, properties, management of tropical soils; classification of Hawaiian soils. A-F only. Minimum prerequisite grade of C or consent. Pre: (CHEM 161 and 161L) with a minimum grade of C, or consent. Co-requisite: 304L. (Fall only) (Cross-listed as NREM 304)

TPSS 304L Fundamentals of Soil Science Laboratory (1)

Field and analytical methods for exploring the origin, development, properties, and management of soils, with an emphasis on tropical and Hawaiian soils. A-F only. Pre: (CHEM 161 and CHEM 161L) with a minimum grade of C. Co-requisite: 304. (Fall only) (Cross-listed as NREM 304L)

TPSS 311 Current Topics in Plant Science (1)

Undergraduate seminar that provides the presentation and discussion of topics of current relevance to students preparing for careers in applied plant sciences. Oral focus designation. A-F only. Pre: 200/ SUST 211 or NREM 210, or consent. (Cross-listed as NREM 311)

TPSS 322 Farm & Food Marketing (3)

Problems, agencies, functions, costs, prices, regulations affecting marketing: proposed improvements. Pre: ECON 130, NREM/SUST 220; or consent. (Alt. years)

TPSS 333 Understanding Agroecosystems: Visualization, Interpretation, Analysis, and Application (3)

Designed for students interested in developing a critical framework for understanding different ways of measuring, visualizing, and interpreting the different goals humans have for agroecosystems. Repeatable one time. Pre: 200 or instructor consent. (Fall only)

TPSS 336 Renewable Energy and Society (3)

Combined lecture/discussion regarding the ability of renewable energy technologies to meet local, national, and global energy demands and their potential impacts on the environment and society. Pre: consent.

TPSS 341 Managerial Accounting (3)

Principles and methods of agricultural accounting. Preparing and interpreting financial statements. Sources and costs of credit, capital budgeting, tax management, estate planning. Repeatable one time. A-F only. Pre: ECON 130 or NREM/SUST 220, or consent. (Cross-listed as NREM 341)

TPSS 350 Tropical Landscape Practices (3)

(2 Lec, 1 3-hr Lab) Concepts and techniques of landscape installation and management in the tropics. Pre: 200/ SUST 211 and 369; or consent.

TPSS 351 Enterprise Management (3)

Introduction of practical concepts and methods used in business management. Introduce broad range of business strategies. Understand the critical role each strategy plays. Facilitate student’s practice of analytical and critical thinking through case studies. (Cross-listed as NREM 351)

TPSS 352 Landscape Architecture History (3)

Survey of the history of landscape architecture from Mesopotamia to present. Review of the physical, cultural, social, economic, and political factors, as well as the environmental concerns, horticultural techniques, and technological innovations of historic landscapes. A-F only. (Spring only) (Cross-listed as ARCH 352)

TPSS 353 Landscape Graphics Studio (4)

Basic skills of landscape graphic communication through a creative process model. Learning free hand and technical drafting techniques to creative effective landscape graphics. Pre: consent. (Alt. years) (Cross-listed as ARCH 353)

TPSS 354 Tropical Landscape Planting Design Studio (4)

Students will develop basic skills of residential landscape graphic and design processes in order to clearly articulate the ability to think, analyze, and extend a physical solution in the proper scale. Repeatable one time. A-F only. (Alt. years) (Cross-listed as ARCH 354)

TPSS 364 Horticulture: Theory and Practice (3)

Techniques of culture and management of horticulture crops. Pre: consent.

TPSS 369 Ornamental Plant Materials (3)

(2 Lec, 1 3-hr Lab) Identification, origin, use, and cultural requirement of trees, shrubs, vines, and groundcovers used in Hawaiian landscapes. Pre: 200/SUST 211 or consent.

TPSS 371 Genetics: Theory to Application (3)

Fundamentals of genetic theory using traditional breeding and biotechnological procedures in insect and plant pathogen management for sustainable agricultural production. Repeatable one time. A-F only. (Cross-listed as PEPS 371 and SUST 371)

TPSS 401 Vegetable Crop Production (3)

(2 Lec, 1 3-hr Lab) Crop biology, requirements, and production techniques for commercial vegetable production in Hawai‘i will be stressed. Pre: 300 or consent.

TPSS 402 Flower and Foliage Crop Production (4)

Biology and production of cut flowers, blooming potted plants, foliage plants under field and protected cultivation in Hawai‘i and globally. Pre: 300 or consent.

TPSS 403 Tropical Fruit Production (3)

(2 Lec, 1 3-hr Lab) Botanical aspects and horticultural management practices of selected tropical and subtropical fruit crops, with emphasis on small scale commercial production in Hawai‘i. Pre: 300 or consent.

TPSS 405 Turfgrass Management (4)

(3 Lec, 1 3-hr Lab) Adaptability and selection, establishment, and cultural practices of grasses for various types of turf. Pre: 200/SUST 211 or consent.

TPSS 409 Cultural Biogeography (3)

Co-evolution of human societies and plants over the last 10,000 years. Foraging, farming and urban societies economies; spread and modification of selected plants; issues of preservation of genetic resources and traditional plant knowledge. The form and function of gardens. Pre: junior standing or higher, or consent.

TPSS 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. (Alt. years: spring) (Cross-listed as PEPS 410 and SUST 410)

TPSS 415 Extension Education & Outreach (2)

Introduces an essential component of the Land Grant Mission. Students will explore the foundational components of extension education including agent expectations, program development and evaluation, audience engagement, building partnerships, funding structures. Repeatable one time. Junior standing or higher. A-F only. (Cross-listed as TAHR 415)

TPSS 416 Introduction to Social, Ethical and Political Issues Associated with Biotechnology (3)

Introduces concepts of biotechnology, fundamental issues associated with use of this technology, with special emphasis on agricultural biotechnology. A-F only. Pre: 200/SUST 211 or BIOL 171 or NREM 210, or consent. (Alt. years)

TPSS 418 Turfgrass Pest Management (3)

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. A-F only. (Fall only) (Cross-listed as PEPS 418)

TPSS 420 Plant Propagation (3)

(2 Lec, 1 3-hr Lab) Theoretical and applied aspects of seed and vegetative propagation technology involving fruits, flowers, vegetables, and landscape plants. Pre: 200/SUST 211 or consent.

TPSS 421 Tropical Seed Science (3)

(2 Lec, 1 3-hr Lab) Principles of seed science, seed physiology, seed production, and genetic modification. Hawai‘i’s seed industry and biotechnology. A-F only. Pre: 364 (recommended) and 420 (recommended), or consent.

TPSS 429 Spreadsheet Modeling for Business and Economic Analysis (3)

Introduction to quantitative decision-making methods for effective agribusiness management in resource allocation, scheduling, logistics, risk analysis, inventory, and forecasting. Emphasis on problem identification, model formulation and solution, and interpretation and presentation of results. Pre: ECON 130 or NREM/ SUST 220, and ECON 321 or NREM 310; or consent. (Once a year)

TPSS 430 Nursery Management (3)

(2 Lec, 1 3-hr Lab) Management practices in production and operations of commercial nurseries in Hawai‘i. Pre: 200/SUST 211 and 364; or consent.

TPSS 431 Indigenous Crops/Food Systems (1)

Schemes for managing sequences and combinations of crops and crop production activities. Ecosystem and social determinants. Multiple cropping. Analysis of alternative cropping systems. Repeatable unlimited times, but credit earned one time only. Junior standing or higher.

TPSS 432 The Biology of Fungi (3)

Will introduce the diversity, ecology, evolution, and biology of the
Kingdom Fungi. Focus on our current understanding of fungal evolution and diversity and how fungi interact with environments and hosts. Pre: (BOT 201, BIOL 172) with a minimum grade of C; or consent. (Spring only) (Cross-listed as BIOL 430 and BOT 430) DB

TPSS 432L The Biology of Fungi Lab (1)

(1 3-hr Lab) Introduction to the morphology and life cycles of
organisms in the Kingdom Fungi. Focus on learning how to identify a diversity of fungi based on macro- and microscopic features. Field trips to collect specimens. Pre: (BOT 430 (or concurrent)) with a minimum grade of C. or consent. (Spring only) (Cross-listed as BIOL 430L and BOT 430L)

TPSS 435 Environmental Soil Chemistry (3)

Study of soil chemical processes such as weathering, adsorption, precipitation, and ion exchange; causes of soil acidity, alkalinity, and salinity; reactions between soils and fertilizers, pesticides, or heavy metals. Management strategies to minimize environmental contamination by nitrate, phosphate, and trace elements such as As, Pb, and Se. A-F only. Pre: 304 or consent. (Fall only)

TPSS 440 Tissue Culture/Transformation (3)

(2 Lec, 1 3-hr Lab) Application of plant tissue culture for plant scientists; study of the growth and development of plant tissues in culture as influenced by chemical and environmental factors, and the regeneration of plants following plant transformation by biolistics and other molecular approaches. Pre: 420 or consent. DB

TPSS 450 Sustainable Nutrient Management in Agroecosystems (4)

(3 Lec, 1 3-hr Lab) Biological, chemical, and physical processes governing the cycling of nutrients in agroecosystems, crop and livestock production, and the effects on surrounding unmanaged
ecosystems. Pre: (304 and CHEM 161) with a minimum grade of C-, or consent. (Cross-listed as NREM 460) DB

TPSS 453 Plant Breeding and Genetics (3)

(2 Lec, 1 3-hr Lab) Unique aspects of plant genetics and applications to crop improvement, with emphasis on breeding plants in Hawai‘i. Pre: BIOL 375 (or concurrent) or consent.

TPSS 460 Soil Plant Environment (3)

(2 Lec, 1 3-hr Lab) Bio-physical processes in the soil-plant-atmosphere continuum that influence crop growth and development. Methods to estimate the impact of soil and climate on crop performance. Use of crop models to simulate effects of planting date, plant spacing and density, fertilizer rate, rainfall or irrigation, and daily weather on crop yield and farm income. Pre: 304 and either PHYS 151 or PHYS 170, or consent.

TPSS 463 Irrigation and Water Management (3)

Basic soil-water-plant relationships, irrigation water requirements, irrigation efficiencies, different methods of irrigation, planning, design and management of an irrigation system, fertigation and impact of irrigation on soil and water quality. Pre: NREM 203 (or equivalent) and NREM/TPSS 304 (or equivalent), or consent. (Alt. years) (Cross-listed as NREM 463)

TPSS 470 Plant Physiology (3)

Integration of form and function from cellular to whole plant levels in processes from seed germination, through photosynthesis, growth, and morphogenesis, to flowering and senescence. A-F only. Pre: BIOL 171 or consent.

TPSS 470L Principles of Plant Physiology Lab (1)

(1 3-hr Lab) Principles of experimentation in plant physiology, includes individual investigations. A-F only. Pre: consent.

TPSS 473 Post-Harvest Physiology (3)

Comparative physiological and biochemical processes during growth, maturation, ripening, and senescence in fruits, vegetables, and flowers related to changes in quality and storage life. Tropical commodities emphasized. A-F only. Pre: 200/SUST 211, BIOL 171, or BOT 201; CHEM 152; or consent.

TPSS 475 Plant Nutrient Diagnosis in the Tropics (3)

Designed for students to identify essential nutrients required by plants; diagnose nutrient disorders in plants; and propose environmentally sound solutions to correct disorders. Pre: 304/NREM 304 (or concurrent) and BIOL 172. (Cross-listed as NREM 475)

TPSS 480 Life in the Soil Environment (3)

An interdisciplinary study of the diverse life in the soil beneath our feet that includes bacteria, fungi, protists, nematodes, arthropods, invertebrate, viruses, and the essential functional roles these organisms contribute to sustainability of the planet. Repeatable one time. Pre: TPSS/PEPS/SUST 371 or BIOL 375, or MICR 351, or consent. (Cross-listed as BIOL 480)

TPSS 480L Life in the Soil Environment Lab (1)

Laboratory to accompany 480. Technical examination of bacteria, fungi, protists, nematodes, arthropods, and other invertebrate, and the essential functional roles these organisms contribute to sustainability of the planet. Repeatable one time. Pre: BIOL 171L and 172L, or MICR 351L, or consent. Co-requisite: 480. (Crosslisted as BIOL 480L)

TPSS 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: (200/SUST 211 and CHEM 152) with a minimum grade of C, or consent. (Fall only) (Cross-listed as PEPS 481) DB

TPSS 491 Experimental Topics (V)

Study and discussion of significant topics, problems. Offered by visiting faculty and/or for extension programs. Repeatable. Pre: consent.

TPSS 492 Internship (1)

Integration and application of academic knowledge and critical skills emphasizing professional development. Placement with an approved cooperating supervisor/employer. Pre: consent.

TPSS 492L Internship Experience (3)

Internship field experience for TPSS majors. TPSS majors only. A-F only. Pre: 200/SUST 211 (or concurrent) or consent.

TPSS 499 Directed Studies (V)

Supervised individual instruction in field laboratory and library. Repeatable up to six credits. CR/NC only. Pre: 364 or consent.

TPSS 601 Crop Modeling (3)

(2 Lec, 1 3-hr Lab) Principles of modeling crop growth and development, model types, techniques, simulation. Modeling influence of climate/environment on phenology, growth, development of horticultural crops. Pre: 470 and NREM 310, or consent.

TPSS 603 Experimental Design (4)

(3 Lec, 1 3-hr Lab) Design of experiments and variance analyses in biological and agricultural research. Pre: graduate standing or consent. Recommended: ZOOL 632. (Cross-listed as ANSC 603)

TPSS 604 Advanced Soil Microbiology (4)

(3 Lec, 1 3-hr Lab) Study of biochemical and biogeochemical transformations mediated by soil microorganisms, emphasis on processes important to plant growth productivity and environmental quality. Pre: 304 and MICR 351, or consent.

TPSS 610 Nutrition of Tropical Crops (3)

(1 2-hr Lec, 1 3-hr Lab) Mineral nutrition of plants in relation to plant metabolism, mechanisms of ion uptake, long-distance transport of solutes, and interactions at the root-soil interface. Special emphasis on problems associated with tropical crops. Pre: 450 and 470, or consent. (Alt. years)

TPSS 611 Professional Development (1)

Lecture/discussion targets students exiting from graduate degree programs and provides preparation as a career professional; topics include establishing a professional identity; CV and cover letters, job-seeking due diligence, and negotiation skills. Graduate students only. A-F only. (Fall only) (Cross-listed as MBBE 611 and PEPS 611)

TPSS 614 Molecular Genetics of Crops (3)

(2 Lec, 1 3-hr Lab) Applications of molecular genetics to crop improvement. Pre: (453 and MBBE 402) with a minimum grade of C-, or consent.

TPSS 615 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: (453 and 603) with a minimum grade of C-, or consent.

TPSS 634 Landscape Plants: Identification and Use (3)

Introduction to the identification, recognition, and use of plants in landscape design and built environment applications. Students will be introduced to a variety of landscape plants commonly used in Hawai‘i and the tropics. TPSS majors only. A-F only. (Cross-listed as ARCH 634)

TPSS 640 Advanced Soil Chemistry (3)

(2 Lec, 1 3-hr Lab) Physio-chemical processes in soils and soil solutions, with emphasis on ionic equilibria, mineral stability, organic complexation, and surface sorption of major plant nutrients and heavy metals. A-F only. Pre: 435 and CHEM 351, or consent.

TPSS 650 Soil Plant Nutrient Relations (4)

(2 Lec, 2 3-hr Lab) Soil-plant interactions, emphasis on characteristics of tropical soils and plants influencing nutrient uptake by plants. Diagnostic methods to identify nutrient deficiencies and element toxicity. Pre: 450 (with a minimum grade of C-) or consent.

TPSS 652 Information Research Skills (1)

Examines the use of libraries and information technology for scholarly investigation in support of scientific research; provides experience utilizing and critically evaluating a variety of print and electronic sources in basic and applied sciences. Pre: consent. (Cross-listed as ANSC 652, FSHN 652, and NREM 652)

TPSS 654 Communications in the Sciences (1)

(3-hr Lec/Lab combination) Laboratory-type course for improving communication abilities in the sciences and engineering. Presentations to lay audiences are emphasized. Hands-on experience in techniques and methods is provided.

TPSS 656 Environmental and Cultural Landscape Studio (4)

Exploring, understanding, and implementing Hawaiian and Western cultural and environmental landscape design principles. A concentrated look at how to think about creating and respecting a sense of place through landscape design. TPSS and LAND majors only. A-F only. (Cross-listed as ARCH 656)

TPSS 657 Grant Writing for Graduate Students (1)

Combined lecture/discussion on grants and grant writing. Designed to introduce graduate students to grants and grant proposal writing through lectures, class discussion, writing assignments, and peer review. Open to CTAHR graduate students only; others with consent. (Cross-listed as ANSC 657 and FSHN 657)

TPSS 658 Environmental Landscape Technologies and Systems (3)

Understanding the science and art of green landscape technologies, with a comprehensive understanding of LID (low impact design) principles and practices; to increase knowledge to help produce more viable and enduring built landscapes. TPSS majors only. A-F only. (Cross-listed as ARCH 658)

TPSS 664 Orchidology (3)

(2 Lec, 1 3-hr Lab) Classification, culture, cytogenetics, breeding of orchids. Pre: consent. Recommended: 200/SUST 211 and 402.

TPSS 667 Graduate Seminar (1)

Presentation of research reports; reviews of current literature in plant and soil sciences. Repeatable four times. Pre: graduate standing or consent.

TPSS 670 Interdisciplinary Methods for Agrarian Systems (3)

Interdisciplinary methodologies for conducting research and impact analyses on agrarian systems, sustainable development, and resource management. Repeatable one time. Pre: consent. (Cross-listed as NREM 670) (Alt. years: fall)

TPSS 674 Plant Growth and Development (3)

Contemporary literature is used as the basis for understanding the physiology for whole plant growth and development. Aspects covered include vegetative and reproductive development, seed dormancy, senescence, abscission, and relevant biochemical and molecular processes. Pre: 470 and MBBE 402, or consent.

TPSS 680 Geospatial Analysis of Natural Resource Data (3)

The application of geostatistics to estimate spatial dependence to improve soil and regional sampling; provide insight into underlying soil, geographic, and geologic process, and to provide quantitative scaling up of point measurements to fields, regions, and watersheds. State-space modeling also will be included. A-F only. Pre: GEO 388 or ZOOL 631; or consent. (Cross-listed as GEO 680)

TPSS 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 TPSS program.

TPSS 699 Directed Research (V)

In-depth study of specialized problems. Repeatable unlimited times. CR/ NC only. Pre: consent.

TPSS 700 Thesis Research (V)

Repeatable unlimited times. CR/NC only. Pre: consent.

TPSS 711 Special Topics (V)

Specialized topics from various areas of plant and soil research such as experimental techniques, growth regulation, morphogenesis, genetics and breeding, culture and nutrition of tropical crops. A-F only. Pre: consent.

TPSS 800 Dissertation Research (V)

Repeatable unlimited times. CR/NC only. Pre: consent.