最近の研究課題：

　・ダイズ幼植物体・種子の湿害発生機構

　・園芸作物組織の凍結保存法・耐凍性

　・加工用トマト・アブラナ科野菜の過湿反応性

　・農耕起源に係る作物在来種の生産性

　・自然栽培による野菜・果樹収穫物特性の変化

　・北方圏における醸造用ブドウの生態

　・低コスト植物工場における効率的な高機能野菜生産

所属学会：

　日本作物学会

　日本育種学会・日本作物学会 北海道談話会

　低温生物工学会

　国際園芸学会（ISHS）

　園芸学会

専門分野：園芸学 , 作物学， 植物形態学，低温生物学

担当講義：生物資源科学特別実験２年目・

　　　　　生物資源科学特別実験３年目・ 生物学Ⅱ・

　　　　　作物生産生物学総論／演習・

　　　　　生物資源科学特別実験・

　　　　　蔬菜園芸学・園芸科学・

　　　　　生物資源の賢い利用／生物学概論

　　　　（各資料は本ページの最上部より入手下さい）

論文等：

原著論文：

低温生物学：

・Jitsuyama, Y., Suzuki, T., Harada, T. and Fujikawa, S.

    Effects of Pretreatments on Cryopreservation in

　Asparagus Shoot Apices.

    Cryobiology and Cryotechnology Vol.41(2): 50-57

　 (1995)

・Jitsuyama, Y., Suzuki, T., Harada, T. and Fujikawa, S.

    Ultrastructural study on mechanism of increased

　freezing tolerance due to extracellular glucose in

　cabbage leaf cells.

    Cryo-Letters 18 (1): 33-44 (1997)

・Jitsuyama, Y., Suzuki, T., Harada, T. and Fujikawa, S.

    Studies on asparagus embryogenic callus in relation

　 to induction of increased freezing tolerance by

　incubation with sugar solutions.

　Cryobiology 39 (4):335 (1999),

　(Abstracts, 36th Annual Meeting)

・Jitsuyama, Y., Suzuki, T., Harada, T. and Fujikawa, S.

    Loading process of sugars into cabbage petiole and

　asparagus shoot apex cells by incubation with

　hypertonic sugar solutions.

　Protoplasma 217: 205-216 (2001)　

・Jitsuyama, Y., Suzuki, T., Harada, T. and Fujikawa, S.

    Sucrose incubation increases freezing tolerance of

　asparagus(Asparagus officinalis L.) embryogenic cell

　suspensions.

　 Cryo-Letters 23 (2): 103-112 (2002)

・Fujikawa, S., K. Kuroda, Y. Jitsuyama, Y. Sano and

　J. Ohtani 　

　Freezing behavior of xylem ray parenchyma cells in

　 softwood species with differences in the organization

　 of cell walls.

    Protoplasma 206: 31-40（1999)

・Fujikawa, S., Y. Jitsuyama and K. Kuroda 　

　Determination of the role of cold acclimation-induced

　diverse changes in plant cells from the viewpoint of

　avoidance of freezing injury.

　Journal of Plant Research 112: 237-244（1999）

・山田朋義・黒田克史・実山豊・藤川清三　

　低温感受性植物の凍結挙動．

    低温生物工学会誌45：7-13（1999）

・Yamada, T., K. Kuroda, Y. Jitsuyama, D. Takezawa,

　 K. Arakawa, S. Fujikawa　

　Roles of the plasma membrane and the cell wall in

　the responses of plant cells to freezing.

    Planta, 215 (5): 770-778 （2002）

・Jitsuyama, Y. and S. Ichikawa

    Possible weed establishment control by applying

　 cryogens to fields before snowfalls.

    Weed Tech.25: 454-458 (2011)

作物学関連：

・Kawakami, J; K. Iwam; T. Hasegawa and Y. Jitsuyama,

   Growth and yield of potato plants grown from　

　microtubers in fields.

　American Journal of Potato Research, 80 (6):

　371-378（2003）

・福岡峰彦・谷英雄・岩間和人・長谷川利拡・実山豊 

　日本の圃場条件下における葉気温較差を用いた作物の

　かんばつ回避性の評価．

    日本作物学会紀事72（4）：461-470（2003）

・Kubo, K., Y. Jitsuyama, K. Iwama, T. Hasegawa and

　N. Watanabe

　Genotypic difference in root penetration ability by

　durum wheat (Triticum turgidum L. var. durum)

　evaluated by a pot with paraffin-Vaseline discs.

　Plant and Soil 262: 169-177（2004）

・Kawakami, J; K. Iwama, Y. Jitsuyama, Z, Xu,　

　Effect of cultivar maturity period on the growth and

　 yield of potato plants grown from microtubers and

　 conventional seed tubers.

　American Journal of Potato Research, 81:

　327-333（2004）

・Kawakami J., K. Iwama and Y. Jitsuyama 

　Effects of planting date on the growth and yield of

　two potato cultivars grown from microtubers and

　conventional seed tubers.

　Plant Production Science 8(1): 74-78（2005）

・Kubo, K., Y. Jitsuyama, K. Iwama, N. Watanabe,

　A. Yanagisawa, I. Elouafi & M.M. Nachit

　The reduced height genes do not affect the root

　penetration ability in wheat.

　Euphytica  141: 105-111 （2005）

・福岡峰彦・岩間和人・実山豊 

　日本の圃場条件下における葉気温較差を用いた陸稲の

　かんばつ回避性の評価．

    日本作物学会紀事75（1）：57-67（2006）

・Kawakami, J., K. Iwama and Y. Jitsuyama 　

　Soil water stress and the growth and yield of potato

　plants grown from microtubers and conventional seed

　tubers.

　Field Crop Research 95: 89-96 （2006）

・Kubo, K., K. Iwama, A. Yanagisawa, N. Watanabe,

　T. Terauchi, Y. Jitsuyama and T. Mikuma

　Genotypic variation of the ability of root to penetrate

　 hard soil layers among Japanese wheat cultivars.

　Plant Production Science, 9 (1) : 47-55（2006）

・Kubo, K., K. Iwama, A. Yanagisawa, N. Watanabe,

　T. Terauchi, Y. Jitsuyama and T. Mikuma

　Quantitative trait loci for soil-penetrating ability of

　 roots in durum wheat.

     Plant Breeding 126 (4) : 375-378（2007）

・Gopal, J., K. Iwama and Y. Jitsuyama
　Effect of water stress mediated through agar on

　in vitro growth of potato.

    In Vitro Cellular & Developmental Biology - Plant,

　44: 221-228 (2008)

・Kubo, K., H. Uchino, Y. Jitsuyama and K. Iwama
　Relationship between deep root distribution and

　root penetration capacity through paraffin and

　 vaseline layer in pots for landraces and recent

　wheat Cultivars.

　Plant Production Science 11 (4): 487-497 (2008)

・Fujimura, S., P., Shi, K. Iwama, X. Zhang, J. Gopal,

　 and Y. Jitsuyama
    Comparison of growth and grain yield of spring

　 wheat in Lhasa, the Tibetan Plateau, with those in

　 Sapporo, Japan.
    Plant Production Science 12 (1): 116-123 (2009)

・Uchino H , K. Iwama, Y. Jitsuyama, T. Yudate and

　S. Nakamura

　 Yield losses of soybean and maize by competition

　with interseeded cover crops and weeds inorganic-

　based cropping systems.
    Field Crops Research 113: 342－351 (2009)

・Zheng, X., Y. Jitsuyama, T. Terauchi and K. Iwama
　Effects of Drought and Shading on Non-structural

　Carbohydrate Stored in the Stem of Potato

　(Solanum tuberosum L.).
　Plant Production Science 12(4): 449-452（2009）

・Jitsuyama, Y., A. Tago, C. Mizukami, K. Iwama

　and S. Ichikawa

    Endogenous components and tissue cell

　morphological traits of fresh potato tubers affect

　the flavor of steamed tubers.

    American Journal of Potato Research, 86:

　430-441 (2009)

・Kossonou G.A, J. Kashiwagi, T. Hasegawa,

　K. Iwama and Y. Jitsuyama

　Genetic improvements for high yield and low soil

　nitrogen tolerance in rice (Oryza Sativa L.) under a

　cold environment.

　Field Crops Research, 116: 38-45 (2009)

・Jitsuyama, Y.

　Responses of Japanese soybeans to hypoxic

　condition at rhizosphere were different depending

　upon cultivars and ambient temperatures.

　American Journal of Plant Science, 4:

　1297-1308 (2013)

・Jitsuyama, Y.,Y. Konno and Y. Hagihara

   Two imbibition properties independently influence the

　cultivar-specific flooding tolerance of dried soybean

　seeds.

　Seed Science Research, 24 (1): 37-48 (2014)

・Jitsuyama, Y.

　Morphological root responses of soybean to

   rhizosphere hypoxia reflect waterlogging tolerance.

　Canadian Journal of Plant Science, 95 (5):

　999-1005 (2015)

・Jitsuyama, Y.

　Hypoxia-responsive root hydraulic conductivity

   influences soybean cultivar-specific waterlogging

   tolerance.

   American Journal of Plant Science, 8:

　770-790 (2017)

・ Jitsuyama, Y., Ichiki, A., Ide, R.,  Shimura, H. and Suzuki, T.

　The Processing Tomato Cultivar ‘Natsunoshun’ is Susceptible to an Excess or Lack of Soil Moisture after the Flowering Stage.

　The Horticulture Journal, 88 (2): 232-244. (2019)

・Oku, S., Ueno, K., Tsuruta, Y., Jitsuyama, Y., Suzuki, T., Onodera, S., Maeda, T. and Shimura. H.

　Sugar accumulation and activities of enzymes involved in fructan dynamics from seedling to bulb formation in onion (Allium cepa L.).

　Scientia Horticulturae, 247: 147-155. (2019)

・Sato, K., Jitsuyama, Y., Yamada, T., Liu, B. and Abe, J.

　Structural features of the aleurone layer of the seed coat associated with imbibition injury in soybean.

　Breeding Science, 69 (2): 364-370. (2019)

・Horikawa, K., Hirama, T., Shimura, H., Jitsuyama, Y. and Suzuki, T.  

　Visualization of soluble carbohydrate distribution in apple fruit flesh utilizing MALDI–TOF MS imaging.

　Plant Science, 278: 107-112. (2019)

・Kasuga, J., Tsumura, Y., Kondoh, D., Jitsuyama, Y., Horiuchi, R. and Arakawa, K.

   Cryo-scanning electron microscopy reveals that supercooling ofoverwintering buds of freezing-resistant interspecific hybrid grape‘Yamasachi’ is accompanied by partial dehydration.

    Journal of Plant Physiology, 253: 153248 (2020)

・Horiuchi R, Jitsuyama Y, Arakawa K, Kasuga J, Suzuki T. (2021) Freezing resistance and behavior of winter buds and canes of wine grapes cultivated in Northern Japan. Cryobiology 101: 44-51. DOI: 10.1016/j.cryobiol.2021.06.004.

・ Jitsuyama, Y.,  Yotsukura, N., Araya, Y., Shiokoshi, M., Ichiki, A., Kita, Y., Hara, R., and Suzuki, T. (2021) A comparison of the yield and functional composition of various vegetables using natural and conventional farming systems over several years in northern Japan. Organic Horticulture Symposium 2020, III international Organic Fruit Symposium and I International Organic Vegetable Symposium. 14th-16th December 2021. via Vadisavoia, 5-95123 Catania, Italy. Book of Abstracts & Program: 120. 

    https://www.orghort2020.it/wp-content/uploads/2019/06/program_orghort_2020.pdf

・Ide, R., Ichiki, A., Suzuki, T., and Jitsuyama, Y. (2022) Analysis of yield reduction factors in processing tomatoes under waterlogging conditions. Scientia Horticulturae, 295: 110840. DOI: 10.1016/j.scienta.2021.110840.

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