PLSC - Plant Sciences

PLSC400 Plant Physiology (4 Credits)

A survey of plant physiology and development responses and adaptation to the environment.

Prerequisite: BSCI170 and BSCI171; or BSCI105; or PLSC201. And CHEM231 and CHEM232; or CHEM237; or permission of AGNR-Plant Science & Landscape Architecture department. Also offered as: BSCI442.

Credit Only Granted for: BSCI442 or PLSC400.

PLSC401 Pest Management Strategies for Turfgrass (3 Credits)

Interdisciplinary view of weed, disease, and insect management from an agronomy perspective. Plant responses to pest invasion, diagnosis of pest-related disorders, and principles of weed, disease and insect suppression through cultural, biological and chemical means are discussed.

Prerequisite: PLSC305.

PLSC402 Sports Turf Management (3 Credits)

Sports turf management, including design, construction, soil modification, soil cultural techniques, pesticide use, fertilization, and specialized equipment.

Prerequisite: PLSC305 and PLSC401.

PLSC404 Plant and fungal Metabolism (3 Credits)

An introduction to biochemistry and metabolism in plants and fungi, covering the biosynthesis of compartments in plant and fungal cells with biological molecules such as nucleic acids, amino acids and lipids. Energy flow processes such as photosynthesis, carbohydrate metabolism and respiration, are covered in the course. The integration of different pathways in plant development and responses to environmental stresses will be discussed.

Prerequisite: BSCI170 and BSCI171; or PLSC201. And CHEM231 and CHEM232; or CHEM237; or permission of AGNR-Plant Science & Landscape Architecture department.

PLSC405 Agroecology (3 Credits)

How can we balance the multiple, and often competing objectives of sustainable agricultural intensification to promote both agricultural productivity and human wellbeing? The answer to this question requires a transdisciplinary, agroecological perspective. Agroecology is the integrative study of the ecology of the entire food system, encompassing ecological, economic and social dimensions. This course is designed to introduce various topics in agroecology (e.g. organic agriculture, biodiversity, the Farm Bill). We will take an ecosystems approach to the study of agriculture that will enable students to analyze the environmental, social, and economic interconnections within various types of agricultural systems locally and globally.

Prerequisite: At least one course in ecology; or permission of instructor.

Recommended: BSCI361 or PLSC471; or any BSCI or ENST ecology course.

Credit Only Granted for: PLSC405 or PLSC605.

Additional Information: Class will be held on campus, with two day-long field trips to local farms.

PLSC407 Advanced Crop Science (3 Credits)

A study of principles of production for forage crops, corn, small grains, rice, millets, sorghums, soybeans and other oil seed crops. Their seed production, processing, distribution and the current federal and state seed control programs for these agronomic crops will also be discussed.

Prerequisite: PLSC101. And BSCI170 and BSCI171; or BSCI105.

PLSC410 Commercial Turf Maintenance and Production (3 Credits)

Agronomic programs and practices used in hydroseeding, commercial lawn care, sod production and seed production. Current environmental, regulatory and business management issues confronting the turfgrass industry.

Prerequisite: PLSC305; or permission of AGNR-Plant Science & Landscape Architecture department.

PLSC415 Diseases of Trees and Shrubs (3 Credits)

Diseases on woody plants commonly planted or native to Mid-Atlantic region. Biology, identification and management of important plant pathogens.

Prerequisite: PLSC100 and PLSC201; or permission of instructor.

Credit Only Granted for: PLSC415 or PLSC489E.

Formerly: PLSC489E.

PLSC420 Principles of Plant Pathology (4 Credits)

An introduction to the causal agents, nature and management of plant diseases with particular attention paid to economically important diseases of horticultural and agronomic crops.

Prerequisite: CHEM131, CHEM132, and PLSC201; or students who have taken courses with comparable content may contact the department.

PLSC425 Green Roofs and Urban Sustainability (1 Credit)

The integration of disciplines associated with sustainability issues. Topics range from plant science to design to policy, all of which can contribute to improving the urban environment.

Credit Only Granted for: PLSC425 or PLSC489V.

Formerly: PLSC489V.

PLSC430 Water and Nutrient Planning for the Nursery and Greenhouse Industry (3 Credits)

Skills will be developed in order to write nutrient management plans for the greenhouse and nursery industry. Completion of this course can lead to professional certification in nutrient planning by the State of Maryland after MDA examinations are passed.

Prerequisite: CHEM131 and CHEM132; or ENST200; or permission of instructor.

Recommended: PLSC432.

PLSC432 Greenhouse Crop Production (3 Credits)

The commercial production and marketing of ornamental plant crops under greenhouse, plastic houses and out-of-door conditions.

Prerequisite: PLSC201 and PLSC202; and must have completed or be concurrently enrolled in BSCI442.

PLSC433 Technology of Fruit and Vegetable Production (4 Credits)

A critical analysis of research work and application of the principles of plant physiology, chemistry and botany to practical problems in the commercial production of fruit and vegetable crops.

Prerequisite: PLSC201, NRSC411, PLSC271, and PLSC202; or students who have taken courses with comparable content may contact the department.

Corequisite: BSCI442.

Recommended: ENST200.

Restriction: Junior standing or higher.

Credit Only Granted for: NRSC411 or PLSC433.

PLSC452 Environmental Horticulture (3 Credits)

Environmental horticulture principles used in the establishment and maintenance of plant materials in residential and commercial landscapes will be addressed. The effect of soil conditions, environmental factors, and commercial practices will be discussed in relation to the growth and development of newly-installed plant materials. Field diagnostics will be used by students to assess significant problems of plant decline. Environmental sustainability will be combined with current commercial practices of storm water management, nutrient management, and irrigation management to achieve an integrated approach to plant management.

Prerequisite: PLSC100 or PLSC101; and (PLSC253 and PLSC254).

PLSC453 Weed Science (3 Credits)

Weed identification, ecology, and control (cultural, mechanical, biological, and chemical methods).

PLSC460 Application of Knowledge in Plant Sciences (3 Credits)

A capstone course based on interactions with plant science professionals and student-led class discussions. Students will apply their knowledge and experience to practical issues in the discipline, further develop critical thinking ability, and enhance their communication, teamwork, and professional skills. Topics will include nutrient management, integrated pest management, plant interactions with urban and rural ecosystems, planning of public grounds, plant biotechnology, and teaching skills.

Prerequisite: PLSC100 or PLSC101; or permission of instructor.

Recommended: ENGL393 and ENST200; and (PLSC389 or PLSC399).

Restriction: Senior standing or higher. And must be in a major within AGNR-Plant Science & Landscape Architecture department; or must be in another related major.

PLSC461 Cultural Management of Nursery and Greenhouse Systems: Substrates (1 Credit)

One of three 1-credit modules (PLSC461, PLSC462 and PLSC 464)covering the management techniques used in the intensive culture of plants in commercial operations. Specifically, this module covers the composition, handling, physical and chemical properties of substrates and how they should be managed to maximize plant growth.

Credit Only Granted for: PLSC461 or PLSC489T.

Formerly: PLSC489T.

Additional Information: Course material is delivered primarily online, but a four hour face-to-face lecture/lab will be held at the end of the module. PLSC 461, 462 and 464 will be taught sequentially during the semester.

PLSC462 Cultural Management of Nursery and Greenhouse Systems; Irrigation (1 Credit)

One of three 1-credit modules (PLSC461, PLSC462 and PLSC464) covering the management techniques used in the intensive culture of plants in commercial operations. Specifically, this module covers water quantity and quality issues, water supply (basic hydraulics), irrigation system design and irrigation system evaluation (performance) to maximize water application efficiency.

Credit Only Granted for: PLSC462 or PLSC489W.

Formerly: PLSC489W.

Additional Information: Course material is delivered primarily online, but a four hour face-to-face lecture/lab will be held at the end of the module. PLSC 461, 462 and 464 will be taught sequentially during the semester.

PLSC464 Cultural Management of Nursery and Greenhouse Systems: Nutrients (1 Credit)

One of three 1-credit modules (PLSC461, PLSC462 and PLSC464) covering the management techniques used in the intensive culture of plants in commercial operations. Specifically, this module covers the basics of fertilization, different fertilization strategies and nutrient use and efficiency, to optimize nutrient application practices in intensive plant production systems.

Credit Only Granted for: PLSC464 or PLSC489Z.

Formerly: PLSC489Z.

Additional Information: Course material is delivered primarily online, but a four hour face-to-face lecture/lab will be held at the end of the module. PLSC 461, 462 and 464 will be taught sequentially during the semester.

PLSC471 Forest Ecology (3 Credits)

An understanding of the forest ecosystem, its structure and the processes that regulate it are provided. It also considers changes that occur in forests, the interaction of environment and genetics in promoting ecosystem sustainability, and the role of human influences on urban forest ecosystems.

Prerequisite: PLSC201; or (BSCI160 and BSCI161); or BSCI106.

PLSC472 Capstone-Urban Forest Project Management (3 Credits)

Students will synthesize the ideas and information learned from their studies in urban forestry. Working in teams, students will complete projects involving real-world issues. Student projects will use scientific, social, political and ethical considerations in an interdisciplinary approach to provide solutions to their problem.

Prerequisite: ENST200, PLSC272, and PLSC471.

Restriction: Senior standing or higher; and must be in a major within AGNR-Plant Science & Landscape Architecture department.

PLSC473 Woody Plant Physiology (3 Credits)

Concentration is placed on physiological processes important to woody plant growth and development. Emphasis will be placed on current concepts and theories of how woody plants grow and develop, and the critical assessment of current research in woody plant physiology. Course readings will include textbook assignments and selected papers from the current scientific literature.

Prerequisite: BSCI442 or PLSC201; or students who have taken courses with comparable content may contact the department.

PLSC475 Applied Forestry Practices (3 Credits)

Focuses on the applied dynamics of a set of forest practices such as management, silviculture, measurement and inventory, preparation of a management plan, etc, within the urban/rural interface. Several field trips are included to gain hands-on experience.

Prerequisite: ENST200. And ENST360; or PLSC471. Also offered as: ENST406.

Credit Only Granted for: ENST406 or PLSC475.

PLSC480 Urban Ecology (3 Credits)

Cities are rapidly increasing in number and size across the globe, transforming local ecosystems. This course examines urban environments as coupled social-ecological systems at multiple scales, from streets and parks to urban landscapes patterns and global patterns of biodiversity. Ecological principles are applied in the urban context, including habitats, biodiversity, ecological processes, and ecosystem services of urban environments, with applications to problems in urban land management, decision-making and design.

Prerequisite: PLSC471, ENST360, or BSCI363; or other coursework/experience considered for instructor permission.

Additional Information: Class will be held both on campus and at other locations such as the U.S. Botanic Garden, local parks, and urban and suburban locations off campus.

PLSC481 Vegetation Assessment and Analysis (2 Credits)

An overview of vegetation assessment through the collection of data in the field (e.g. plots and transects) and the analysis of existing data and remotely detected images (e.g. Aerial photographs and GIS layers).

Prerequisite: PLSC100; or (BSCI160 and BSCI161); or BSCI106; or permission of instructor.

Recommended: PLSC201, BSCI360, PLSC226, or PLSC471.

PLSC489 Special Topics in Plant Science (1-3 Credits)

A lecture and or laboratory series organized to study a selected phase of Plant Science not covered by existing courses. Credit according to time scheduled and organization of the course.

Repeatable to: 6 credits if content differs.

PLSC601 Plant Genomics (3 Credits)

An advanced course in plant genomics which is the study of genes of plant chromosomes. It will cover current topics in gene mapping, molecular markers, QTLs, gene sequencing, and genetic engineering with special focus on agriculturally important traits.

Credit Only Granted for: AGRO601, NRSC601, or PLSC601.

Formerly: NRSC601.

PLSC602 Advanced Crop Breeding II (2 Credits)

Quantitative inheritance in plant breeding including genetic constitution of a population, continuous variation, estimation of genetic variances, heterosis and inbreeding, heritability, and population movement.

Prerequisite: PLSC601; and must have completed a graduate statistics course.

PLSC605 Advanced Agroecology (3 Credits)

How can we balance the multiple, and often competing objectives of sustainable agricultural intensification to promote both agricultural productivity and human wellbeing? The answer to this question requires a transdisciplinary, agroecological perspective. Agroecology is the integrative study of the ecology of the entire food system, encompassing ecological, economic and social dimensions. This course is designed to introduce various topics in agroecology (e.g. organic agriculture, biodiversity, the Farm Bill). We will take an ecosystems approach to the study of agriculture that will enable students to analyze the environmental, social, and economic interconnections within various types of agricultural systems locally and globally. Students will be required to plan and execute group discussions and learning activities.

Prerequisite: At least one course in ecology or instructor permission.

Recommended: BSCI361 or PLSC471; or any BSCI or ENST ecology course.

Additional Information: Class will be held on campus, with two day-long field trips to local farms.

PLSC608 Research Methods (2 Credits)

An overview of research methods and applications related to plant sciences. Topics covered include current research advances, professional conduct and ethics, and preparation of grant proposals, manuscripts, and scientific presentations.

Prerequisite: Permission of AGNR-Plant Science & Landscape Architecture department.

Repeatable to: 6 credits if content differs.

Credit Only Granted for: AGRO608, NRSC608, or PLSC608.

Formerly: NRSC608.

PLSC609 Integrated Pest Management (1-4 Credits)

A modular course with an interdisciplinary approach to the theory and practice of integrated pest management. Topics of modules, each 3-4 weeks long, vary each semester over a three year time frame, with the first module serving as a prerequisite for all other modules. See www.EntmClasses.umd.edu for description of modules.

Restriction: Permission of instructor.

Repeatable to: 10 credits if content differs. Also offered as: ENTM609.

Credit Only Granted for: ENTM609, NRSC609, or PLSC609.

Formerly: NRSC609.

PLSC618 Advances in Research; Critiquing Primary Plant Science Literature (1 Credit)

Discussion of advances in plant science research based on classic and current scientific literature.

Repeatable to: 7 credits.

PLSC619 Seminars in Plant Science and Landscape Architecture (1 Credit)

Enhancement of student learning and enrichment of student curriculum for the Plant Science Graduate Program through a combination of research seminar attendance and post-seminar discussion. Research seminars will be given by prominent scientists in the field of plant sciences and post-seminar discussions will be facilitated by the instructor along with student discussion leaders.

Repeatable to: 7 credits if content differs.

PLSC682 Methods of Plant Science Research (4 Credits)

The application of biochemical and biophysical methods to problems in biological research with emphasis on plant materials.

Credit Only Granted for: HORT682, NRSC682, or PLSC682.

Formerly: NRSC682.

PLSC685 Advanced Plant Ecophysiology (3 Credits)

Growth, productivity and survival are intimately linded to a plant's ability to adjust to its environment. The information provided in this course is designed to provide an introduction to the basic physical and psysiological principles necessary for understanding the interactions between plants and their environment. The overall objective of this course is to understand plant responses and adaptations to the environment and the ecological relevance of these responses.

Prerequisite: Must have completed one course in plant physiology.

Credit Only Granted for: NRSC685 or PLSC685.

Formerly: NRSC685.

PLSC689 Special Topics (1-3 Credits)

Credit according to time scheduled and organization of the course. Organized as a lecture series on a specialized advanced topic.

Repeatable to: 6 credits if content differs.

Credit Only Granted for: HORT689, NRSC689, or PLSC689.

Formerly: NRSC689.

PLSC782 Physiology, Biochemical and Molecular Biology of Herbicides and Plant Growth Regulators (3 Credits)

In this class we will study natural and synthetic chemicals which regulate the growth and development of plants. The mechanism by which herbicides and plant growth regulators express their activity on plants and the impact of these chemicals on the environment will be a primary focus of this course. The interaction of these chemicals with biotechnology advances will also be examined.

Prerequisite: BSCI442.

Credit Only Granted for: NRSC782 or PLSC782.

Formerly: NRSC782.

PLSC785 Advanced Post-Harvest Physiology (3 Credits)

Physiological, biochemical and molecular aspects of senescence of detached plant organs, such as fruits, leaves and flowers.

Prerequisite: PLSC474 and BCHM461; or permission of AGNR-Plant Science & Landscape Architecture department.

Credit Only Granted for: NRSC785 or PLSC785.

Formerly: NRSC785.

PLSC789 Advances in Research (1 Credit)

Discussion of advances in plant science research based on classic and current scientific literature.

Repeatable to: 7 credits if content differs.

Credit Only Granted for: AGRO789, NRSC789, or PLSC789.

Formerly: NRSC789.

PLSC798 Graduate Seminar (1 Credit)

First and second semester.

Repeatable to: 6 credits if content differs.

Credit Only Granted for: AGRO798, HORT798, NRSC798, or PLSC798.

Formerly: NRSC798.

PLSC799 Master's Thesis Research (1-6 Credits)

PLSC802 Epidemiology and Plant Disease Mangement (3 Credits)

An in-depth advanced course for graduate students in plant pathology, agronomy, entomology and horticulture emphasizing the principles of effective plant disease management in the agroecosystem.

Credit Only Granted for: AGRO802, NRSC802, or PLSC802.

Formerly: NRSC802.

PLSC805 Advanced Crop Physiology (2 Credits)

Major emphasis will be on physiological processes affecting yield and productivity of major food fiber and industrial crops of the world. Topics such as photosynthesis, respiration, photorespiration, nitrogen metabolism will be related to crop growth as affected by management decisions. Topics of discussion will also include growth analysis and the use of computer modeling of crop growth by plant scientists.

Prerequisite: BSCI442; and must have completed advanced training in plant sciences.

Credit Only Granted for: NRSC805 or PLSC805.

Formerly: NRSC805.

PLSC898 Pre-Candidacy Research (1-8 Credits)

PLSC899 Doctoral Dissertation Research (1-8 Credits)