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Ishikawa Prefectural University

Teaching Staff Information

Nobuyuki Fukuoka Professor

Affiliated Departments
Undergraduate Faculty University Farm  
Graduate School:
Master’s Degree Course
Division of Bioproduction Science Plant Production Research Field Olericulture, Farm
Graduate School:
Doctoral Degree Course
Division of Sciences for Bioproduction and Environment Bioproduction Science Research Field Olericulture

Subjects taught
Undergraduate Faculty ntroduction to Cultivation Science, Farm Practice A, Farm Practice B, Regional Agricultural & Rural Field Studies, Exercise for Bioproduction, Science, Graduation Thesis
Graduate School:
Master’s Degree Course
Advanced Course of Bioresources and Environmental ScienceⅠ,Seminar on Bioproduction ScienceⅡ, Regulation in Bioproduction
Academic Societies/Awards/Background
Background I engaged in vegetable growing research for about two decades at the Sand Dune Agricultural Experimental Station in Ishikawa Prefecture

Primary Research
Research Topics
  • Studies on the restoration of red color disappearance of Gynura bicolor DC. leaves in midsummer.

    [Summary] Gynura bicolor DC. is widely distributed in certain areas of Southeast Asia. It is a member of the Asteraceae family, and has several local names, e.g. Suizenjina and Kinjisou in Japan. Its leaves are characterized by green adaxial and reddish-purple abaxial surfaces. In Ishikawa Prefecture, G. bicolor is cultivated in the field from early spring to late autumn. However, the reddish-purple abaxial sides of leaves harvested in midsummer often lack this characteristic color. This study is carried out to clarify the relationship between the red color loss induced by several cultural conditions and its related physiological function in in G. bicolor leaves.

  • Studies on the occurrence of physiological disorder in radish roots (Raphanus sativus L.).

    [Summary] White radish (Raphanus sativus L.) is widely used throughout East Asia in a range of fresh, soaked, brined, fermented, and dried products. In Japan, the plant is cultivated year-round by selecting appropriate cultivars. Internal browning (IB), consisting of a brown discolouration in the central region of the root, has frequently been associated with summer-sown crops. Regarding this phenomenon, we consider that increased rates of intracellular generation of H2O2 occur in roots exposed to heat stress in the later growth period owing to a lowered regeneration system in the ascorbate-glutathione cycle and active oxygen species in the tissue region participating in H2O2-scavenging systems coupled with polyphenol biosynthesis because toxic active oxygen species cause irreversible damage to the cell. This study is carried out to clarify the relationship between the frequency of IB occurrence induced by several cultural conditions and its related physiological function in the root.

  • Studies on the a method for cultivating watermelon and radish for achieving labor saving.

    [Summary] Methods for optimizing Japanese radish cv. Natsutukasa cultivation using single seed sowing are assessed for individual plants by examining variations in seed size, seed sowing depth, type of teep seeder machine, and the effect of urea fertilizer application

Social Contributions
Previous accomplishments Councilor member of Japanese Society of Sand Dune Research (2008. 4~2010,3)
Chief secretary of Japanese Society for Horticultural Science Hokuriku Meeting (2012. 4~)

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