Scientist Profile

Photo

Constancio C. De Guzman

Physiologist, Outstanding College of Agriculture Teacher (2005)

Expertise: Plant Physiology, Crop Production, Urban Agriculture, Agriculture and Forestry

Affiliation

Associate Professor 2, Dept. of Horticulture, College of Agriclture, College, Laguna

Professor 5, Department of Horticulture, UPLB)

Association

    • Gamma Sigma Delta Honor Society of Agriculture , President-Elect
    • Division of Agriculture and Forestry, National Research Council of the Philippines (NRCP), Regular Member of Crops and Soils Section
    • Division of Agriculture and Forestry, National Research Council of the Philippines (NRCP), Associate Member and Chairman of Crops and Soils Section
    • Gamma Sigma Delta Honor Society of Agriculture , Historian
    • Philippine Association for Plant Tissue Culture, member
    • Crop Science Society of the Philippines (CSSP), Member
    • Philippine Association for the Advancement of Science, Member
    • American Society of Plant Physiologists, Member

Employment

    • Department of Horticulture, Crop Science Cluster, UPLB, Professor 4, 2005 Mr 1-31
    • Department of Horticulture, UPLB, Professor 4, 2005 Jl 1-2006 Ap 30
    • Department of Horticulture, UPLB , Professor 1, 2000 Jl 1-2005 Je 30
    • Department of Horticulture, UPLB , Associate Professor 2 , 1997 Ja 1-2000 Je 30
    • Department of Horticulture, UPLB , Assistant Professor 7, 1995 O 16-1996 D
    • Department of Horticulture, UPLB , Assistant Professor 4 , 1995
    • Department of Horticulture, UPLB , Assistant Professor 3 , 1988-1994
    • Department of Horticulture, UPLB , Assistant Professor 2 , 1985-1987
    • Department of Life Sciences, College of Arts and Sciences, UPLB , Instructor, 1977-1979
    • Department of Horticulture, UPLB , Research Assistant , 1976

Award

    • Outstanding College of Agriculture Teacher , College of Agriculture, UPLB , 2005 Mr 4
    • Achievement Award in Teaching , Crop Science Society of the Philippines (CSSP) , 1998
    • Production, Marketing Potentials and Constraints and Opportunities in Research and Development, Department of Horticulture, UPLB, 1997 Je 27
    • Urban Agriculture in Philippine Setting: The Concept, Practice, Significance and Threats, Jorge Bocobo Professorial Chair Lecture, DAERS Lecture Hall, UPLB, 2002 Mr 8
    • Outstanding Teacher Award , Department of Horticulture , 1989
    • Awarded UP Government Scholarship , College of Agriculture, UPLB, 1971 - 1976

Research

    • Farming in the city: An annonated bibliography of urban and peri-urban agriculture in Metro Manila [Completed]
    • Biowaste reuse in South-East Asian Cities (Metro Manila Component, 2005-2006) [Completed]
    • Tissue culture of selected medicinal plants [Completed]
    • Annotated bibliography of urban agriculture in Metro Manila [Completed]
    • Problems and prospects for the production of fibercrops in the Philippines [Completed]
    • Sampaguita Livelihood System in San Pedro, Laguna [Completed]
    • Abaca Research and Development Program [Completed]
    • Root anatomy and behavior in non-aerated hydroponic culture [Completed]
    • Collection, evaluation and germplasm establishment of selected essential oil-bearing plants [Completed]
    • Chemical and cultural methods of dwarfing Ilang-Ilang [Completed]
    • Collection and evaluation of essential oil bearing Plants. I. Patchouli [Pogostemon cablin (Blanco) Benth.] [Completed]
    • Studies on immature coconuts (`Buko') I. Factors affecting the quality of immature coconut fruits during storage [Completed]
    • Derris Breeding Project [Completed]
    • Control of oxidative browning in husked immature (`Buko') coconut fruits using metabisulfite. Postharvest Horticulture Training and Research Center (PHTRC) [Completed]

Papers Presented

    • Sampaguita Flower Production and Garland Making Enterprise in Peri-Urban Metro Manila, Philippines , Traders Hotel, Manila, Philippines
    • Prospects and Problems of Essential Oils as Non-Wood Forest Products in the Philippines, 4th South and East Asian Countries Non-Timber Forest Products Network (SEANN) Workshop
    • Current Status of the Essential Oil Industry in the Philippines , Investment and Marketing Forum on Essential Oil, Philippine Gateway Hotel, Surigao City
    • Urban Agriculture: Its Basic Features and Promotion in Local Communities, AIDP-PITAS Lecture Series, Samonte Hall, UPLB
    • The Urban Agriculture Project of the Agro-Industrial Development Program, College of Agriculture, UP Los Ba?os: Promoting Agriculture in Urban Communities, 15th Annual Scientific Conference of FCSSP, Family Country Hotel and Convention Centre, Gen. Santos City
    • Herbs in Tropical Area, Graduate Seminar, College of Industrial Science and Graduate School of Industrial Development, Kongju National University, Yesan, Chong-Nam, South Korea
    • Tolerance Strategies of plants to Heavy metals: Cellular changes, Accumulation Pattern and intracellular localization of Cd, Pb and Zn in Festuca rubra L. cv. Merlin (Red Fescue) and Ocimum sanctum L. (Holy Basil) , 12th Annual Scientific Conference of the FCSSP, Villa Victoria Beach Resort, Davao City
    • Appropriate Production Strategies to meet market Specifications: Herbs and Spices , Philippines Vegetable Congress, University of Southeastern Philippines, Davao City
    • Herbs and Spices: Some Important Features, Workshop on Selected Plants with Economic Potential in the Philippines, IPB, UPLB
    • Horticultural Researches on Culinary Herbs, Spices and Aromatics in the Philippines , NRCP Seminar-Workshop on "Bioactive Substances from National Sources", Mariano Marcos State University Batac, Ilocos Norte
    • Extension of Storage life of Fresh Culinary herbs: Pandan, basil and Lemongrass , Scientific Conference, Youth Research Apprenticeship Program (YRAP)
    • Characterization and Development of Annatto (Bixa orellana L.) Fruit and Seed, 10th Annual Scientific Conference of Federation of Crop Science Societies of the Philippines (FCSSP), AsiaWorld Hotel, Puerto Princesa City, Palawan
    • Propagation Studies on Patchouli (Pogostemon cablin Blco.), An Essential Oil-Bearing Plant, 10th Annual Scientific Conference of Federation of Crop Science Societies of the Philippines (FCSSP),AsiaWorld Hotel, Puerto Princesa City, Palawan
    • Collection and Evaluation of Priority Essential Oil-Bearing Plants, 10th Annual Scientific Conference of Federation of Crop Science Societies of the Philippines (FCSSP),AsiaWorld Hotel, Puerto Princesa City, Palawan
    • Physico-chemical Changes in Abaca (Musa textilis Nee) Fiber Handstripped from Stalks Stored at Various Durations, 9th Annual Scientific Conference of Federation of Crop Science Societies of the Philippines (FCSSP),Aklan State College of Agriculture, Banga, Aklan
    • Collection and evaluation of Pogostemon cablin (Patchouli), 9th Annual Scientific Conference of FCSSP,Aklan State College of Agriculture, Banga, Aklan
    • Black Pepper Cultivation in the Philippines , International Conference on Pepper Diseases, Lampung, Indonesia
    • Ostharvest Losses In and Loss Assessment Methods for Black Pepper, Symposium-Workshop on Standardization of Postharvest Loss Assessment Methods, NAPHIRE, Muñoz, Nueva Ecija
    • Current Status of R & D on Plantation Crops in the Department of Horticulture UPLB, Second National Consultative Meeting and Symposium-Workshop on Industrial Crops, USM, Kabacan, Cotabato
    • Effect of Shade and N Levels on the leaf Anatomical Features of Black Pepper (Piper nigrum L.) , 5th FCSSP Annual Meeting at Amigo Hotel, Iloilo
    • Effect of Shade and N levels on the Reproductive growth and Development of black pepper (Piper nigrum L.) , 5th FCSSP Annual Meeting at Amigo Hotel, Iloilo
    • Preliminary Studies on the Electrophoretic Probe of Somatic Variation in Tissue Culture of Brassica Oleracea L. var. capitata , 4th FCSSP Annual Meeting in Apo View Hotel, Davao City
    • Overview of Researches on Essences in the Philippines , BPI, Manila
    • Auxin-induced Calcium Efflux , ASPP, Botanical Gardens, University of Michigan at Ann-Arbor
    • Further Studies on the Auxin-promoted Acropetal Calcium Efflux , American Society of Plant Physiologists (ASPP), University of Illinois at Champaigne, Urbana
    • Further Studies on the Auxin-promoted Acropetal Calcium Efflux , ASPP, University of Illinois at Champaigne, Urbana
    • The Polarity of Calcium Movement in young Stems and its possible Significance to the Basipetal Secretion of IAA , American Society of Plant Physiologists (ASPP), Laval University, Quebec, Canada

Education

    • University of the Philippines Los Ba?os, Los Baños, College, Laguna, B.S. Agricultural Chemistry, 1976
    • Kent State University, Ohio, USA, Ph.D. in Botany (Plant Physiology), 1984

Publication

    • De Guzman, C.C., (1999) Plant resources of Southeast Asia No. 13 spices.
    • Bachuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1999) Anethum graveolens L.
    • Plant Resources of Southeast Asia No.13 Spices, Backhuys Publishers, Leiden, The Netherlands (DeGuzman, C.C. and Siemosma, J.S. (eds.)
    • De Guzman, C.C., (1999) Artemesia dracunculus L.
    • Plant Resources of Southeast Asia No. 13, Spices, De Guzman, C.C. and Siemonsma, J.S., eds.), Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1999) Origanum L.
    • Plant Resources of Southeast Asia No.3 Spices,(De Guzman, C.C. and Siemonsma, J.S. eds.,) Bachuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1999) Perilla Frutescens (L.) Briton
    • Plant Resources of Southeast Asia No. 13 Spices, Backhuys publishers, Leiden, The Netherlands (de Guzman, C.C. and Siemonsma, J.S., eds.)
    • De Guzman, C.C., (1999) Pinpinella anisum L.
    • Plant Resources of Southeast Asia No. 13 Spices, De Guzman, C.C. and Siemonsma, J.S. (eds.), Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1999) Rosmarinus Officinales L.
    • Plant Resources of Southeast Asia No. 13 Spices, Backhuys Publishers, Leiden, The Netherlands (De Guzman, C.C. and Siemonsma, J.S., eds.)
    • De Guzman, C.C., (1999) Cymbopogon martini (Roxb.) J.F. Watson
    • Plant Reources of Southeast Asia No. 19. Essential Oil Plants, (Oyen, L.P.A. and N.S. Dung, eds.), Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1999) Cymbopogon winterianus Jowitt.
    • In: Oyen, L.P.A. and N.X. Dung (eds.). Plant Resources of Southeast Asia no. 19. Essential -Oil Plants. Backhuys Publishers, Leiden, The netherlands
    • De Guzman, C.C., (1999) Vetiveria zizanoides (L.) Nash
    • Plant Resources of Southeast Asia No. 19, Essential-Oil Plants,(Oyen, L.P.A. and N.X. Dung, eds.), Backhus Publishers, Leiden, The Netherlands
    • De Guzman, C.C. , (1999) Plant Resources of Southeast Asia No. 19, EssentialOil-Plants
    • Oyen, L.P.A. annd N.X. Dung (eds.) Backhuys Publishers. Leiden, The Netherlands
    • De Guzman, C.C., (2004) Handbook of herbs and spices
    • Woodhead Publishing Inc
    • De Guzman, C.C., (2004) Guide to popular culinary herbs and spices
    • Published through the UPLB Information, Education and Communication Program
    • De Guzman, C.C., (2004) Growth and rhizome essential oil yield of camia (Hedychium coronorium Koonig) under varying shade levels and photoperiod
    • Philippine Agricultural Scientists Volume 87, No. 2
    • Lindain, A.F., Reglos, R.A., De Guzman, C.C., (2008 ) Tissue culture and essential oil production from callus cultures of Ilang-ilang
    • Philippine Agricultural Scientist Volume 91, No. 3
    • Cuevas, V.C., Sumalde, Z.M., Valencia, S.A., De Guzman, C.C., (2008 ) Compost quality and economic viability of five biowaste composting venture in Metro Manila
    • Philippine Agricultural Scientist Volume 91, No. 1
    • De Guzman, C.C. et. al., () Growth and rhizome essential oil yield of camia (Hedychium coronarium Koonig) under varying shade levels and photoperiod
    • Philippine Agricultural Scientist Volume 87, No. 2
    • De Guzman, C.C. et. al., (2002 ) Influence of different types of organic fertilizers on growth and essential oil yield of sweet basil (Ocimum basilicum L.)
    • Philippine Agricultural Scientist Volume 85, No. 1
    • De Guzman, C.C. et. al., (2000 ) Morpho-physiological responses of Sweet basil, Ocimum basilicum L., to non-aerated hydroponic culture
    • The Philippine Agricultural Scientist Volume 83, No. 40
    • De Guzman, C.C., et. al., (1999) Cellular changes, accumulation pattern and intracellular localization of Cd, Pb and Zn in Festuca rubra L. cv Merlin (Red Fescue) and Ocimum sanctum L. (Holy Basil)
    • The Philippine Agricultural Scientist Volume 82, No. 1
    • De Guzman, C.C. , (1996 ) Linking Its Endeavors to Essential Oils Production in the Philippines
    • Philippine Agriculture Volume 79 , No. 1&2
    • De Guzman, C.C. , (1996 ) Linking Its Endeavors to Essential Oils Production in the Philippines
    • Philippine Agriculture Volume 79 , No. 1&2
    • De Guzman, C.C., (1996) Prolonging the storage life of some culinary herbs
    • Philippine Agriculturist Volume 79 , No. 1&2
    • De Guzman, C.C., et. al., (1995 ) Root growth characteristics of Ocimum sanctum (Holy Basil) and Festuca rubra L. cv. Merlin (Red Fescue) in response to Cadmium, lead and zinc
    • Philippine Agriculturist Volume 78, No. 3
    • De Guzman, C.C., et. al., (1994 ) Rooting performance of cuttings of patchouli, Pogostemon cablin (Blco.) Benth
    • Philippine Agriculturist Volume 77, No. 4
    • De Guzman, C.C. et. al., (1992 ) Comparison of transpiration rate and stomatal and leaf features in black pepper (Piper nigrum L.), clove (Syzygium aromaticum (L.) Merr and Perry), cinnamon (Cinnamomum zeylanicum Blume) and nutmeg (Myristica fragrans Houtt)
    • Philippine Agriculturist Volume 75, No. 1&2
    • Reglos, R.A., De Guzman, C.C., (1991 ) Morpho-physiological modifications in patchouli, Pogostemon cablin (Blanco) Benth., under varying shade and nitrogen levels
    • Philippine Agriculturist Volume 74, No. 3
    • De Guzman, C.C., Dela Fuente, R.K., (1986) Polar calcium flux in sunflower hypocotyl segments. II. Effect of segment orientation, growth and respiration
    • Plant Physiol Volume 81:
    • De Guzman, C.C., Dela Fuente, R.K., (1984 ) Polar flux in sunflower hypocotyl segments. I. Effect of auxin
    • Plant Physiol Volume 76
    • De Guzman, C.C., Aragones, E.G. , (2000) Morphological features and herbage yield of citronella [Cymbopogon winterianus Jowitt] and patchouli [Pogostemon cablin (Blanco) Benth.]
    • FPRDI Journal Volume 261, No. 1&2
    • De Guzman, C.C., Del Carmen, D.R., (1996 ) Prevention of browning in peeled young coconut with sodium metabisulfite
    • Postharvest Research Notes Volume 2, No. 1
    • De Guzman, C.C., (2004) Vanilla. Handbook of Herbs and Spices
    • CRC Press, Boca Raton, Florida
    • De Guzman, C.C., (2003 ) Sampaguita livelihoods of peri-urban Metro Manila, Philippines
    • Agricultural Research and Development, Los Ba?os, Laguna, Philippines
    • De Guzman, C.C., Boncodin, R., Campilan, D., (2001) Multi-sectoral initiatives for urban agriculture in Metro Manila, Philippines. Scientist and Farmer
    • International Potato Center, Lima, Peru
    • De Guzman, C.C. et. al., (1999 ) Plant Resources of South-East Asia
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C. et. al., (1999) Plant Resources of South-East Asia
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999) Plant Resources of South-East Asia
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999) Plant Resources of South-East Asia No. 13 Spices.
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999 ) Plant Resources of South-East Asia No. 13 Spices
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999 ) Plant Resources of South-East Asia No. 13 Spices
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999) Plant Resources of South-East Asia No. 13 Spices
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999) Plant Resources of South-East Asia No. 19. Essential-oil Plants
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999) Plant Resources of South-East Asia No. 19, Essential-oil Plants
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., et. al., (1999 ) Plant Resources of South-East Asia No. 19. Essential-oil Plants
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., Dela Fuente, R.K., (1986 ) The requirement for calcium and boron in auxin transport, Plant Growth Substances 1985
    • Springer-Verlag, Berlin
    • De Guzman, C.C., (2004) Guide to Popular Culinary Herbs and Spices
    • Published Through the UPLB Information Education and Communication Program, University of the Philippines Los Ba?os, College, Laguna
    • De Guzman, C.C., (1999 ) Plant Resources of South-East Asia No. 13 Spices
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C. et. al., () Plant Resources of South-East Asia No. 19. Essential-oil Plants
    • Backhuys Publishers, Leiden, The Netherlands
    • De Guzman, C.C., (1995) How to establish and maintain a high-density mango plantation
    • The Phil. Mango Forum Volume 1(1)
    • De Guzman, C.C., (1994) Herbs and Spices Appreciation Day - A gustatory success
    • UPLB Newsletter Volume 13, No. 47

Trainings

    • UPLB Ugnayan ng Pahinungod, 2nd Conference Workshop , 1986 O 8, CEC, UPLB
    • Seminar/Workshop on Open System Photosynthesis Measurements with the New LI-6400, 1995 O 12, APPA Conference Room, International Rice Research Institute (IRRI)
    • 11th Training Course on Photosynthesis and Productivity in a Changing Environment, 1994 Ja 1-26, Bangkok, Thailand
    • Research Institute for Spices and Medicinal Crops Postdoctoral Research Fellowship, 1991-1992, Bogor, Indonesia
    • Second UNIDO Workshop on Essential Oil Crops, 1991 F 4-8, Holiday Inn, Manila
    • Training on Cultural Management on Coffee and Cacao, 1987 S 6, University of Southern Mindanao, Kabacan, North Cotabato
    • Program for PNP/PTP Field and Site Managers on Smallholders Coconut Production, 1986 Ja 7-1987 11, University of the Philippines at Los Banos (UPLB)
    • Packaging of the Philippine Food and Feed Post-Harvest Research and Development Program, 1985 Ag 12-14, NFA Training Center