Sugae Wada

Research Associate
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Office: 541-738-4218
Other: 541-737-4410

  • Planning, setting up, and analyzing experiments for improving micropropagation of woody plants. 
  • Investigating and optimizing mineral nutrition in tissue culture media by eliminating physiological disorders in vitro micropropagation systems.
  • Testing, developing and applying cryopreservation methods for diverse/endangered germplasm, and spores of hop powdery mildew, Podosphaera macularis, in liquid nitrogen for long-term back up.
  • Testing rooting potential and developing optimal protocols to shorten the production cycle for woody nursery crop rootstocks.
  • Examine basic seed biology and seed dormancy mechanisms by systematic and anatomical approaches using microtome, light and electron microscopy.
  • Investigating effective scarification methods to enhancing seed germination for an economically important crop (Raspberry & Blackberry).
  • Botanical drawings for scientific investigation.
  • Plant systematics, taxonomy and identification.
  • Manuscript reviews for scientific publications.
  • Reporting and transferring the scientific findings to the public such as growers, commercial labs, and researchers through publications and OSU, USDA-ARS online resources.

Profile Field Tabs

Beyond OSU
Personal Interests: 

How to tell “diamonds” from “pearls” Barbara M. Reed, who’s a plant physiologist with our ARS National Clonal Germplasm Repository in Corvallis, Ore., has teamed up with Oregon State University colleagues Sugae Wada  to produce a 22-page guide that will help fruit processors, bakers, jam producers and blackberry connoisseurs tell whether they’re savoring the blackberry cultivar “Black Diamond” or perhaps “Black Pearl,” “Obsidian,” or some other luscious beauty.

Saved for future generations :Just east of Corvallis is a gene bank that holds nearly 500,000 plant samples; some of are on their way to Norway's 'doomsday' vault so they'll be preserved from disaster. The repository is one of 20 USDA gene banks, which hold nearly 500,000 plant samples, including seeds, pollen and cuttings.The Peoria Road repository is run by the U.S. Department of Agriculture in cooperation with Oregon State University, which also leases the property to the federal agency.Hundreds of berry and fruit seeds from a Corvallis area facility will be stored in a "doomsday" vault in Norway, which  is designed to protect the world's plant species from extinction. Norway's government owns the $9.1 million Scandinavian vault, a backup to the world's 1,400 other seed banks. The underground "doomsday" vault in Svalbard sits in a frigid area only 620 miles from the North Pole. The inside of the vault is kept just below zero, a temperature at which the seeds could survive for 1,000 years, according to scientists.

Saved for future generations   Doctoral candidate Ms Sugae Wada from Horticulture Department Oregon State University is working in the NCGR seed lab for preparing/ shifting the seed samples to the doomsday seed valt in Svalbard, Norway.

My Publications


Journal Article

S. Wada, Niedz, R. P., and Reed, B. M., Determining nitrate and ammonium requirements for optimal in vitro response of diverse pear species, In Vitro Cellular & Developmental Biology - Plant, vol. 5127711669136409942825551421534385028915349499494634927, no. 12, pp. 19 - 27, 2015.
S. Wada, Maki, S., Niedz, R. P., and Reed, B. M., Screening genetically diverse pear species for in vitro CaCl2, MgSO4 and KH2PO4 requirements, Acta Physiologiae Plantarum, vol. 375961651918301784949124225, no. 3, 2015.


Journal Article

B. M. Reed, Wada, S., Denoma, J., and Niedz, R. P., Improving in vitro mineral nutrition for diverse pear germplasm, In Vitro Cellular & Developmental Biology - Plant, vol. 4946445964519167302552151013431121783830110503641, no. 318, pp. 343 - 355, 2013.
B. M. Reed, Wada, S., Denoma, J., and Niedz, R. P., Mineral nutrition influences physiological responses of pear in vitro, In Vitro Cellular & Developmental Biology - Plant, vol. 4969984472403052018510863389967167116308815343289227203034492339497227, no. 6, pp. 699 - 709, 2013.
B. M. Reed, Denoma, J., Wada, S., and Postman, J., Micropropagation of pear (Pyrus sp.)., Methods Mol Biol, vol. 11013, pp. 3-18, 2013.
S. Wada, Niedz, R. P., Denoma, J., and Reed, B. M., Mesos components (CaCl2, MgSO4, KH2PO4) are critical for improving pear micropropagation, In Vitro Cellular & Developmental Biology - Plant, vol. 494644635964548220187916797301548343112138474129, no. 3, pp. 356 - 365, 2013.


Journal Article


Proceedings and Conference Presentations: 

Scientific meetings

  1. ISHS,  6th International Symposium on Production & Establishment of Micropropagated Plants. San Remo, Italy, April 19-24., 2015. Oral presentation on In Vitro Mineral Nutrition: Nitrogen Requirement  for Pyrus Germplasm.
  2. Society for In Vitro Biology. 2013. Providence, Rhode Island. June 15-19. Poster presentation.
  3. Society for In Vitro Biology, 2012. World Congress of In Vitro Biology in Bellevue, Washington. June 3-7, 2012, Poster presentation and a supporting staff person for organizing the International Congress.
  4. Society for Cryobiology 2011. Annual meeting in Corvallis, Oregon. Poster presentation and a supporting resident staff person for organizing the International Meeting.
  5. American Society for Horticultural Science annual meeting in Orlando, Florida, July 21 to 25, 2008. Poster presentation.
  6. American Seed Research Foundation 125th Annual meeting in Orlando, Florida, June 21 to 25, 2008. Travel Award: Invited as one of five student nominees for the program ‘Operation Student Connection’. Oral presentation.
  7. Plant Sciences Symposium: Translational Seed Biology; From Model Systems to Crop Improvement, in Davis, California (UC Davis): 2007, Travel Award, Poster presentation
  8. ISHS 4th International Symposium on Seed, Transplant and Stand Establishment of Horticultural Crops; Translating Seed and Seedling Physiology into Technology, in San Antonio, Texas: 2006, Poster presentation
  9. Southern Nursery Association (SNA) Research Conference in Atlanta, Georgia: 2004, Oral presentation

Journal and Book Reviews

  • International Association for Plant Biotechnology (IAPB)
  • Plant Cell, Tissue & Organ Culture (TICU)
  • Society for In Vitro Biology: In Vitro Cellular & Developmental Biology (IVPL)
  • Nordic Journal of Botany (NJB)
  • Scientia Horticulturae            
  • South African Journal of Botany (SAJB)
  • African Journal of Biothtechnology (AJOL)
  • Many internal reviews for pre-publications in OSU and USDA-ARS in my areas of expertise (seed technology, horticultural production systems, botany, in vitro culture, micropropagation, germplasm conservation, mineral nutrition, and biotechnology)
  • Book review and cover art design for  “Plant Cryopreservation: A Practical Guide”, (ed) Barbara M. Reed, 2008. Springer. ISBN 978-0-387-72275-7.