Results of two experiments concerned with categorization among different types of tree experts (4 taxonomists, 10 landscape workers, and 10 park maintenance employees in the first experiment and a subset of these experts in the second) show a pattern of similarities and differences. Implications for theories of categorization are discussed. (SLD)

A sample of 78 (of 320) home gardeners use rules of thumb (heuristics) to choose between chemical pesticides and nonchemical alternatives. Pesticides rank low in 24 choice attributes where alternatives rank high, and vice versa. Gender, age, and years of pesticide use correlate with pesticide selection. (SK)

Responses from 282 current and former Master Gardeners in Missouri identified the most important benefits they derived from participation: increased knowledge, personal growth, and satisfaction of altruistic values. Social and career-related benefits received the lowest rankings. The most active volunteer Master Gardeners were most likely to…

A case study is presented describing the work of three pupils in the upper level of compulsory school. The pupils were learning about the intensified greenhouse effect and the depletion of the ozone layer. In their work, the need for certain domain-specific knowledge becomes apparent; for example, understanding such concepts as photosynthesis,…

A study identified and verified the technical competencies needed by Tennessee high school teachers of vocational horticulture in the areas of greenhouse management and landscape design. From an initial list of competencies that was developed and refined, a survey instrument was constructed. The instrument contained 108 competencies in greenhouse…

THE OBJECTIVES OF THE STUDY WERE TO DETERMINE (1) KINDS OF JOBS AND NUMBER OF PEOPLE ASSOCIATED WITH ORNAMENTAL HORTICULTURE IN UTAH, (2) SKILLS AND INFORMATION NEEDED BY NURSERY WORKERS, (3) TRAINING PROGRAMS ALREADY ESTABLISHED IN THE NATION, (4) NEEDS OF GOLF COURSES, AND (5) THE USE OF DATA IN DEVELOPING A TRAINING PROGRAM. QUESTIONNAIRES WERE…

The worksheets have been developed for use with any production occupational or work experience record book for high school vocational agriculture programs. Separate units have been developed for each of 11 areas in ornamental horticulture, so the student and teacher can select the appropriate one, or several, for the experiences planned by the…

This packet contains a program guide and a career map for the implementation of a nursery operations program in Florida secondary and postsecondary schools. The program guide describes the program content and structure, provides a program description, lists job titles under the program, explains licensing, and includes a curriculum framework and…

This guide, which was written as an initial step in the development of a systemwide articulated curriculum sequence for all vocational programs within the Metropolitan Nashville Public School System, outlines the suggested scope and sequence of a 4-year program in urban horticulture. The guide consists of a course description; general course…

This secondary horticulture curriculum guide is one of a set of three designated as the basic core of instruction for horticulture programs in Kansas. Units of instruction are presented in thirteen sections: (1) Orientation and Careers, (2) Leadership and Future Farmers of America, (3) Supervised Occupational Experience Program, (4) Plant…

This document, which lists the horticultural-agricultural technologies competencies identified by representatives from business, industry, and labor as well as educators throughout Ohio, is intended to assist individuals and organizations in developing college tech prep programs that will prepare students from secondary through post-secondary…

California has achieved considerable economic success through technological innovation and the formation of businesses based upon those technologies. This paper addresses some of the roles of universities in that success story. It starts with some measures of the contributions of innovation and a robust university structure to the California…

TURF 436 (Case Studies in Turfgrass Management) is the capstone course for turfgrass science majors at the Pennsylvania State University. Students are introduced to problems and complex problematic situations encountered in the management of golf and sports turf and in professional lawn-care operations. Following completion of the orientation case…

Intended to provide about 10 hours of instruction to first-year vocational agriculture students, this instructional unit introduces students to the horticulture industry, provides a broad background of horticultural practices, and covers many skills that can be directly applied by students in their projects. Topics of the individual sections of…

This manual is one of a 3-volume series prepared to guide the high school vocational agriculture teacher in teaching ornamental horticulture. Chapter I introduces the reader to ornamental horticulture and gives examples of how the subject can be integrated into an existing agriculture curriculum. Chapter II is devoted to the public relations…