Komohana Research Extension Center
875 Komohana Street
Hilo, HI 96720

Phone: (808) 969-8258

Fax: (808) 981-5211

Email: miyasaka@hawaii.edu

Susan C. Miyasaka

Professor of Agronomy 


Alternative Crops, Tropical Root Crops, Plant Nutrition


B.S., Entomology, Univ. California, Berkeley; M.S., Agronomy, Univ. Hawaii; Ph.D., Agronomy, Cornell Univ.

Courses Taught:

Research Interests:

Taro, sweet potato, ginger, acid soils, aluminum toxicity, disease resistance, legumes, arbuscular mycorrhizal fungi

Selected Publications:

  • Ortiz, A.M., B.S. Sipes, S.C. Miyasaka, and A.S. Arakaki. 2015. Green manure crops for management of Meloidogyne javanica and Pythium aphanidermatum. HortSci. 50:90-98.
  • Miyasaka, S.C., K. Lamour, S. Shrestha, M. Shintaku, and J. Uchida. 2013. Taro Leaf Blight caused by Phytophthora colocasiae. p. 104-112. IN: K.H. Lamour (ed.) Phytophthora: A Global Perspective. CAB International, Boston, MA.
  • He, X., M.M. Fitch, Y.J. Zhu, and S.C. Miyasaka. 2013. Genetic Transformation of Taro, p. 367-383. IN: S.M. Jain and S. Dutta Gupta (eds.) Biotechnology of Neglected and Underutilized Crops. Springer, New York, NY.
  • Miyasaka, S.C., C.E. McCulloch, G.E. Fogg, and J.R. Hollyer. 2013. Optimum plot size for field trials of taro (Colocasia esculenta). HortSci. 48:435-443.
  • He, X., S.C. Miyasaka, M.M.M. Fitch, S. Khuri and Y.J. Zhu. 2013. Taro (Colocasia esculenta) transformed with a wheat oxalate oxidase gene for improved resistance to taro pathogen Phytophthora colocasiae. HortSci. 48(1):22-27.
  • Miyasaka, S.C., C.E. McCulloch, and S.N. Nelson. 2012. Taro Germplasm Evaluated for Resistance to Taro Leaf Blight. HortTech. 22:838-849.
  • He, X., S.C. Miyasaka, M.M.M. Fitch, Y.J. Zhu. 2010. Regeneration and transformation of taro (Colocasia esculenta) with a rice chitinase gene enhances resistance to Sclerotium rolfsii. HortSci. 45: 1014-1020.
  • He, X., S.C. Miyasaka, M.M.M. Fitch, P.H. Moore, Y.J. Zhu. 2008. Agrobacterium tumefasciens- mediated transformation of taro (Colocasia esculenta (L.) Schott) with a rice chitinase gene for improved tolerance to a fungal pathogen Sclerotium rolfsii. Plant Cell Rep. 27: 903-909.
  • Ortiz, A.M., S.C. Miyasaka, J.J. Cho, and B.S. Sipes. 2008. Resistance and tolerance to Meloidogyne javanica in Colocasia esculenta from Thailand, Vietnam, and Nepal. Int. J. Nematology. 18(1): 66-70.
  • Miyasaka, S.C., N.V. Hue, and M.A. Dunn. 2007. Chapter 16, Aluminum. p. 439-497. IN: A. Barker and D.J. Pilbeam. (eds.) Handbook of Plant Nutrition. Marcel Dekker, New York.