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*Member of Graduate Faculty

*Rich Marini, Head and Professor of Horticulture

Apple fruit abscission Light and fruit quality Training and pruning of apple and peach trees Insect/host-plant interactions Apple rootstock evaluations

117 Tyson Building, University Park, PA 16802

(814) 865-2571, email: rpm12@psu.edu

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*Richard N. Arteca, Professor of Horticultural Physiology

To study the molecular regulation and signal transduction pathways involved in the plants response to externally applied stimuli To explore the use of different bioreactor designs for the growth of commercially important horticultural crops and to maximize secondary metabolite production including pharmaceuticals, agrochemicals and other novel compounds produced by cell and organ cultures

204 Tyson Building, University Park, PA 16802

(814) 863-2252, email: rna@psu.edu

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*Rick Bates, Associate Professor of Ornamental Horticulture

Focus on the production and use of woody ornamental plants including Christmas trees Nursery production methods Post-harvest handling and storage of bare-root nursery stock, post-harvest Christmas tree keepability, and the selection and testing of conifer species for ornamental use

303 Tyson Building, University Park, PA 16802

814-863-2198, email: rmb30@psu.edu

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*Robert Berghage, Associate Professor of Horticulture

Plant responses to the environment Greenhouse systems and controls Water quality and nutritional management in greenhouse production systems Integrated systems for greenhouse crop production

318C Tyson Building, University Park, PA 16802

(814) 863-2190, email: rdb4@psu.edu

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*Kathleen Brown (Evensen), Professor of Postharvest Physiology

Molecular and environmental regulation of root hair development Involvement of ethylene in root responses to phosphorus, including root growth angle, adventitious rooting, and aerenchyma formation Physiology and molecular biology of ethylene responses in plants Effect of production practices on postharvest quality and stress tolerance of containerized crops

220 Tyson Building, University Park, PA 16802

(814) 863-2260, email: kbe@psu.edu

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*Robert M. Crassweller, Professor of Tree Fruit

Tree fruit physiology Apple rootstocks and planting systems Apple cultivar evaluation including disease resistant cultivars Decision support systems for tree fruit Plant nutrition and foliar analysis Peach winter hardiness

7 Tyson Building, University Park, PA 16802

(814) 863-6163, email: rmc7@psu.edu

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*Dennis R. Decoteau, Professor of Vegetable Crops

Vegetable crop physiology and production Photomorphogenesis Environmental regulation of plant growth

18 Tyson Building, University Park, PA 16802

(814) 865-5587, email: drd10@psu.edu

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*David M. Eissenstat, Professor of Woody Plant Physiology

Plant physiological ecology Root form and function Tree Physiology Belowground ecology

218 Tyson Building, University Park, PA 16802

(814) 863-3371, email: dme9@psu.edu

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*Peter A. Ferretti, Professor of Vegetable Crops

Production of specialty commercial vegetables, edible herbs, edible flowers, and unique varieties and the promotion of value-added products for the Direct-Market grower Consumer utilization/home gardening of vegetables, herbs, and edible flowers (especially through Master Gardener program) Vegetable bedding plant production, especially varieties and fertility Nutrition and food safety representative to food science for Horticulture edibles

222 Tyson Building, University Park, PA 16802

(814) 863-2313, email: paf2@psu.edu

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*Majid R. Foolad, Professor of Plant Genetics

Genetic characterization of important abiotic (e.g., salt & cold) and biotic stress resistance traits in crop plants Localization and mapping of genes conferring resistance traits using biochemical and molecular markers Integration and utilization of conventional techniques of plant breeding and contemporary techniques of molecular biology for directed crop improvement and germplasm enhancement

217 Tyson Building, University Park, PA 16802

(814) 865-5408, email: mrf5@psu.edu

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*Mark J. Guiltinan, Professor of Plant Molecular Biology (Department of Horticulture/Biotechnology Institute)

Plant molecular and developmental biology Starch biosynthesis Phosphorus stress response Tropical plant biotechnology

422 Life Sciences Building, University Park, PA 16802

(814) 863-6139, email: mjg9@psu.edu

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Charles W. Heuser, Professor of Horticultural Physiology

Anatomical and biochemical study of graft incompatibility of woody perennial plants Histological, hormonal and ultra structural study of the early ontogeny of adventitious roots Culture and micropropagation of herbaceous and woody perennials Use of Composted Organics in Contact Media for the Production of Woody and Herbaceous Plants

315 Tyson Building, University Park, PA 16802

(814) 863-2253, email: cwh2@psu.edu

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*E. Jay Holcomb, Professor of Floriculture

Greenhouse crop production as influenced by growing media composition and fertilization practices Effect of environmental factors and growth regulators on production and flowering of greenhouse crops Energy efficient greenhouse growing systems for new flowering pot plants

317 Tyson Building, University Park, PA 16802

(814) 863-2258, email: ejh3@psu.edu

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*Kathleen Kelley, Associate Professor of Horticultural Marketing and Business Management

Consumer preference for ornamental and edible crops Human benefits of green roofs Understanding awareness and interest in Integrated Pest Management (IPM), plant health care, and pesticide usage Dissemination of horticultural information

301 Tyson Building, University Park, PA 16802

(814) 863-2196, email: kmk17@psu.edu

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*Roger T. Koide, Professor of Horticultural Ecology

Plant Ecology Mycorrhizal symbiosis Cover crops Weed ecology

107 Headhouse #1, University Park, PA 16802

(814) 863-0710, email: rxk13@psu.edu

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*William J. Lamont Jr., Associate Professor of Vegetable Crops

Integrated crop management practices for potatoes/vegetables Evaluation of various water delivery and management systems for potatoes/vegetable crops Effects of micro-environmental modification on growth and development of vegetables Sustainable agricultural practices for potato/vegetable production

206 Tyson Building, University Park, PA 16802

(814) 865-7118, email: wlamont@psu.edu

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*Jonathan P. Lynch, Professor of Plant Nutrition

Physiology and ecology of nutrient use efficiency of plants Adaptation of plants to infertile soils Root architecture Nutrient cycling in sustainable agriculture

221 Tyson Building, University Park, PA 16802

(814) 863-2256, email: jp14@psu.edu

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Martin McGann, Associate Professor or Landscape Contracting

Hardscape construction methodology and landscape site design Use of computers to design and manage landscape installations Heirloom plant varieties in the U. S. prior to 1900 Period landscape and garden design Period landscape and garden design

305 Tyson Building, University Park, PA 16802

(814) 863-7595, email: mrm19@psu.edu

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*Michael D. Orzolek, Professor of Vegetable Crops

Stand establishment seed and transplant technology of vegetable crops Effect of growth regulators on the growth and development of seeds plants and edible parts of plants Plasticulture - use of plastic mulches row covers high tunnels and drip irrigation on the growth and yield of vegetable crops Effects of cultural techniques and management systems on growth development and yield of vegetable crops Weed management - use of cultural chemical and biological techniques for the control of suppression of weeds in vegetable crops

203 Tyson Building, University Park, PA 16802

(814) 863-2251, email: mdo1@psu.edu

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*Elsa Sanchez, Assistant Professor of Horticultural Systems Management

Sustainable and organic productions practices for small-acreage growers Development of alternative crops Integrated crop management

202 Tyson Building, University Park PA 16802

(814) 863-2433, email: ess11@psu.edu

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David L. Sanford, Associate Professor of Ornamental Horticulture (Berks Campus Agricultural Program Coordinator)

Evaluation culture and propagation of herbaceous and woody landscape plants Wildflower establishment and maintenance

Berks Campus, Tulpehocken Road, PO Box 7009, Reading, PA 19610

(610) 396-6161, email: dls30@psu.edu

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*James C. Sellmer, Associate Professor of Ornamental Horticulture

Nursery crop production and integrated cultural management of woody and herbaceous perennial landscape plants Woody and herbaceous plant evaluation and management in the landscape Crop Improvement of woody and herbaceous ornamentals through plant breeding and genetic engineering Developing propagation and production systems for woody and herbaceous ornamentals

314 Tyson Building, University Park, PA 16802

(814) 863-2250, email: jcs32@psu.edu

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*Dan T. Stearns, Professor of Landscape Contracting

Instruction in landscape design and construction Integration of computer-aided design into the classroom The use of video imaging for teaching spatial and form relationships

306 Tyson Building, University Park, PA 16802

(814) 863-6167, email: dts3@psu.edu

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