Horticulture (HRT)


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HRT 90 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 93 - Studies In
Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.
Variable hours per week.
1-5 credits
HRT 95 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
HRT 96 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 97 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 98 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
HRT 99 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits
HRT 100 - Introduction to Horticulture
Introduces commercial horticulture industry with emphasis on career opportunities. Examines equipment, facilities, and physical arrangements of production, wholesale and retail establishments. Surveys individual areas within horticulture industry.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 106 - Practical Horticulture
Provides practical experience in landscape construction equipment operations and maintenance.
Laboratory 2 hours per week.
1 credits
HRT 108 - Plant Identification
Studies the identification, culture and uses of common woody and herbaceous landscape plants.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
HRT 110 - Principles of Horticulture
Introduces concepts of plant growth and development. Covers horticultural practices, crops and environmental factors affecting plant growth.
Lecture 3 hours per week.
3 credits
HRT 111 - Landscape Horticulture
Teaches horticulture and landscaping for home planning and planting. Covers plant taxonomy, plant selection, soil testing, fertilizers, and pest control.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 115 - Plant Propagation
Teaches principles and practices of plant propagation. Examines commercial and home practices. Provides experience in techniques using seed-spores, cuttings, grafting, budding, layering and division.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 116 - Home Horticulture
Introduces basic plant science. Covers soils and fertilizers, plant selection. and plant pests. Also covers installation, maintenance, and basic gardening techniques.
Lecture 3 hours per week.
3 credits
HRT 117 - Tools and Equipment
Introduces tools and equipment used in commercial horticulture. Emphasizes power-operated equipment including spreaders, sprayers, saws and tractors. Stresses safety, maintenance, minor repair and appropriate tool selection.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
HRT 119 - Irrigation Systems for Turf and Ornamentals
Explains why, when, and how irrigation systems are used by the grounds management industry. Includes component selection, system design, installation, operation, and maintenance.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 120 - History of Garden Design
Studies the development of gardens as they chronicle the development of civilization. Introduces the periods, in both Europe and North America, beginning with settlement, on through industrial development, land and space utilization to current environmental concerns. Explores physical and cultural influences on garden design and utilization.
Lecture 3 hours per week.
3 credits
HRT 121 - Greenhouse Crop Production I
Covers commercial practices related to production of floriculture crops. Considers production requirements, environmental control and management, and cultural techniques.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 122 - Greenhouse Crop Production II
Continues commercial practices related to production of floriculture crops. Considers production requirements, environmental control and management, and cultural techniques.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 125 - Chemicals in Horticulture
Emphasizes basic chemical principles and their application to horticulture. Introduces principles of inorganic and organic chemicals. Studies chemical activities of insecticides, fungicides, herbicides, fertilizers, and growth regulators.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 126 - Home Landscaping
Studies current approaches to improving home landscapes. Emphasizes planning, proper implementation, and landscape maintenance.
Lecture 3 hours per week.
3 credits
HRT 127 - Horticultural Botany
Studies taxonomy, anatomy, morphology, physiology, and genetics of plants as applied to identification, propagation and culture.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 130 - Introduction to Biointensive Mini-Farming
Familiarizes students, through lecture and demonstration, with small-scale food production by gardening. Covers the basics of composting and organic vegetable gardening using biointensive methods.
Lecture 3 hours per week.
3 credits
HRT 134 - Four Season Food Production
Familiarizes students with organic small-scale food production through lecture and demonstration. Includes seed saving, cover crops, and gardening planning.
Lecture 3 hours per week.
3 credits
HRT 135 - Training for Commercial Pesticide Application
Introduces students to the principles and practices for safe pesticide usage as required by law in the state of Virginia. Prepares students for the official tests administered by VDACS (Virginia Department of Agriculture and Consumer Services).
Lecture 3 hours. Total 3 hours per week.
3 credits
HRT 137 - Environmental Factors in Plant Growth
Explores environmental factors which affect plant growth, including rainfall, humidity, wind, temperature, sunlight, irrigation, heating, and shading. Examines methods of inducing and breeding dormancy, lighting, and shading systems, and the relationship between day length and flowering.
Lecture 3 hours per week.
3 credits
HRT 150 - Theory of Landscape Design
Presents the theoretical aspects of landscape planning and design. Uses theory to analyze and solve design problems.
Lecture 3 hours per week.
3 credits
HRT 155 - Plants and Society
Covers the relationship between plants and people and the uses of plants as sources of food, medicine, drugs, spices, beverages, poisons, fibers, oils and plants exudates. Prerequisite: HRT 110, Principles of Horticulture.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 160 - Applied Mathematics for the Green Industry
Covers the basic math skills needed in the Green Industry to include areas, volumes, calibration calculations, profit and loss statements, and topics specific to turf, landscape, greenhouse, nursery, and interior landscapes.
Lecture 2 hours per week.
2 credits
HRT 190 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 193 - Studies In
Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.
Variable hours per week.
1-5 credits
HRT 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
HRT 196 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 197 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 198 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
HRT 199 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits
HRT 201 - Landscape Plants I
Studies landscape use of plants. Considers ornamental value, growth habit, identification, and limitations. Part I of II.
Lecture 2-3 hours. Laboratory 2 hours. Total 4-5 hours per week.
3-4 credits
HRT 202 - Landscape Plants II
Studies landscape use of plants. Considers ornamental value, growth habit, identification, and limitations. Part II of II.
Lecture 2-3 hours. Laboratory 2 hours. Total 4-5 hours per week.
3-4 credits
HRT 205 - Soils
Teaches theoretical and practical aspects of soils and other growing media. Examines media components, chemical and physical properties, and soil organisms. Discusses management and conservation.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 207 - Plant Pest Management
Teaches principles of plant pest management. Covers morphology and life cycles of insects and other small animal pests and plant pathogens. Lab stresses diagnosis, chemical and non-chemical control of specific pests, and pesticide safety.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 225 - Nursery and Garden Center Management
Covers aspects of nursery management, including culture, plant handling, and facilities layout. Discusses aspects of garden center management, including planning and layout, purchasing, product selection, marketing, merchandising, and display.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 226 - Greenhouse Management
Discusses the theoretical and applied practices of managing a greenhouse facility. Emphasizes greenhouse construction and design, environmental control, energy conservation, and related topics.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 227 - Professional Landscape Management
Focuses on basic practices and techniques involving landscape management. Includes development of a year-round management calendar and preparation of bid and contract proposals.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 228 - Turfgrass Management I
Applies scientific principles for the establishment and maintenance of intensely managed turfgrass. Topics covered include cultivar selection, seeding, sprigging and sodding techniques, fertilization, watering, weed identification and control, insect identification and control, fungus identification and control, soil structure, drainage, topdressing, and mowing frequency and height.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 230 - Site Analysis
Examines basic landscape and site planning techniques, environmental considerations and construction principles.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
HRT 231 - Planting Design I
Applies landscape theory and principles of drawing to the planning of residential and small scale commercial landscape designs.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 232 - Planting Design II
Applies landscape theory and principles of drawing to the planning of large scale landscape designs.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 233 - Landscape Drawing Applications
Applies theories of landscape design and drawing to actual design projects and tasks. Emphasizes drawing techniques and use of advanced media in applications. Includes hard line, free-style, and computer-assisted landscape drawing in simple landscape drawing applications.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 235 - Landscape Drawing
Teaches students the use of drafting equipment. Emphasizes drawing techniques and use of media. Includes hard line and free-style landscape drawing.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 238 - Growing for Market Mini-Farming
Focuses on development of a marketing plan for mini-farm items offered for sale to the public, retail and wholesale. Includes hands-on experience in double digging, planting, crop testing and utilization of compost. Prerequisite: HRT 130 or permission of instructor.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 239 - Complete Diet Mini-Farming
Considers biointensive methods by which food can be grown for personal or family consumption, emphasizing high nutritional yield in relatively small areas. Focuses on the development of a garden plan that includes vegetable and root crops and grains used for food and composing. Prerequisite: HRT 130 or permission of instructor.
Lecture 3 hours per week.
3 credits
HRT 240 - Principles of Weed Science
Provides in-depth knowledge and expertise in handling the critical tasks of identifying and determining appropriate methods of controlling weeds of turfgrass, landscapes, and greenhouses.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 244 - Computer Aided Drafting and Design (CADD) for Landscape Designers
Provides instruction in the use of computer-aided drafting and design software for developing landscape plans and supporting information for drawings such as dimension and area calculations. Prerequisite: HRT 231. Pre or Co-requisite: HRT 232.
Lecture 3 hours per week.
3 credits
HRT 245 - Woody Plants
Studies identification, culture, and uses of woody plants in landscaping. Includes deciduous and evergreen, native and cultivated shrubs, trees and vines. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 246 - Herbaceous Plants
Studies identification, culture and uses of herbaceous plants in landscaping. Includes perennials, biennials, common bulbs and annuals. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 247 - Indoor Plants
Studies identification, culture, and uses of indoor plants in interior landscaping. Includes tropical, subtropical and non-hardy temperate plants. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 249 - Perennial Plants
Considers the perennial plants used in the landscape. Includes site selection and evaluation for perennial culture, perennial plant selection, perennial culture under various environmental conditions, taxonomic identification, and control of insects and diseases.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 250 - Plant Composition
Applies basic knowledge of identification and landscape traits of woody landscape plants from the prerequisite base. Emphasizes plant groupings/combinations to create baselines, focalization, urban/suburban tree use, foundation groupings and screening. Prerequisites: HRT 245 or HRT 201.
Lecture 2 hours per week.
2 credits
HRT 251 - Site Engineering for Landscape Design
Applies skill sets and knowledge from planting design to the principles of engineering relating to the site. Includes developing topographical drawings, turning radius for vehicles, structural details and other structural requirements with the design. Pre- or co-requisite: HRT 231, Planting Design I. It is also recommended but not required that the student take HRT 230, Site Analysis, prior to taking this course.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week. (Rev. 5/1/08)
3 credits
HRT 252 - Landscape Construction Drawings
Applies skill sets and knowledge from the prerequisite foundation classes in Planting Design and Site Engineering to prepare a completed set of Construction Drawings and Specification. Combines basic drawing skills with the site analysis and engineering to develop drawings and specifications that can be reasonably implemented by contractors. Prerequisite(s): HRT 231 and 251. Pre- or co-requisite: HRT 232.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 259 - Arboriculture
Studies the techniques of tree care. Covers surgery, pruning, insect and disease recognition and control, fertilization, cabling, and lightning rod installation.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 260 - Introduction to Floral Design
Teaches skills required for the composition of basic table arrangements. Includes the history of design styles, identification of flowers and green, identification and use of equipment, and conditioning and handling of flowers.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 266 - Advanced Floral Design
Teaches skills required for composition of traditional floral designs and contemporary floral designs. Includes use of exotic florals to create arrangement styles such as Japanese, European and Williamsburg.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 268 - Advanced Floral Design Applications
Teaches skills required for the composition of large floral arrangements. Includes wedding, funeral and special occasion designs for the home as well as public areas. Includes use of dried and silk flowers for special occasions.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 269 - Professional Turf Care
Covers turf grass identification selection, culture, propagation, and pest control. Surveys commercial turf care operations and use of common equipment.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 275 - Landscape Construction and Maintenance
Examines practical applications of commercial landscape construction techniques, and materials used. Covers construction, planting, and maintenance.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 285 - Management of a Horticultural Business
Studies the business and selling practices which relate to wholesale and retail horticultural businesses including garden centers, greenhouses, nurseries, and flower shops. Examines planning and layout, suppliers, merchandising, maintenance, and display of horticultural items.
Lecture 2 hours, Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 290 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 293 - Studies In
Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.
Variable hours per week.
1-5 credits
HRT 295 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
HRT 296 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 297 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-6 credits
HRT 298 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
HRT 299 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits