Faculty Profiles - GOTO Tanjuro

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Ｒelationships between plant size and amount of overhead irrigation required for uniform water supply to individual cell medium

the scientific reports of the faculty of agriculture 92 27 - 30 2003

培養液中NaCl濃度がピートバッグ栽培イチゴの生育，収量と品質に及ぼす影響

2 ( 3 ) 171 - 174 2003

Relationships between plant size and amount of overhead irrigation required for uniform water supply to individual cell medium

The Scientific Reports of the Faculty of Agriculture Okayama University 92:27-30 ( 1 ) 27 - 30 2003

セル培地に必要な散水量と植物体の大きさの関係

岡山大学農学部学術報告 92 ( ,27-31 ) 2003

Salinity levels affecting growth, yield and quality of strawberry grown in peat bags

Hort. Res 2:171-174 2003

A system for qualified tomato fruit production with root restricion and solar mediated fertigation : 1. Effects of root zone volume and the amount of fertigated solution on growth, yield, fruit quality and absorption of water and nutrients in cv. House Momotaro

YOSHIDA Y., MATSUNO T., GOTO T.

71 ( 2 ) 356 - 356 2002.10

Effect of nutrient solution levels on nutrient uptake and growth of spring flowering stock grown in hydroponics

SHIMONO K., GOTO T., KAGEYAMA Y.

71 ( 2 ) 419 - 419 2002.10

Seasonal changes in optimum concentration of nutrient solution for stock cell transplants grown in subirrigation system controlled in response to solar radiation

GOTO T., IMANAGA A., KASAHARA M., YOSHIDA Y., KAGEYAMA K.

71 ( 2 ) 190 - 190 2002.10

Growth and cut flower quality of Gypsophila paniculata L. cuttings raised in cell flat using soil added heat fusion polyester fiber

GOTO T., KASAHARA M., FUJII K., MOTOOKA S., KONISHI K.

71 ( 1 ) 166 - 166 2002.4

Use of nitrogen application curve for cut flower production of spray chrysanthemum in bench culture : 2. Comparison of nutrient and water uptake in summer-to-autumn and autumun flowering spray chrysanthemum

SHIMA K., GOTO T., KAGEYAMA Y.

71 ( 1 ) 299 - 299 2002.4

Transplant production of stocr with Aufomatically Xuvirrigated Cell Flat(1) Relationships betweeevapofranspiration and enviroumeafal facfors,especially solan radiation

J.of Society of High Tech ni Agri. 14(2), 81-86 2002

Transplant Production of Stock with Automatically Subirrigated Cell Flat (Part 1) Relationships between Evapotranspiration and Environmental Factors, Especially Solar Radiation

GOTO Tanjuro, YAMADA Yusuke, FUJIMOTO Yuya, YOSHIDA Yuichi, KAGEYAMA Yoshihiro

Shokubutsu Kankyo Kogaku 14(2), 81-86 ( 2 ) 81 - 86 2002

Language：Japanese Publisher：JAPANESE SOCIETY OF AGRICULTURAL, BIOLOGICAL AND ENVIRONMENTAL ENGINEERS AND SCIENTISTS

Changes in the evapotranspiration (ETP) of stock (Matthiola incana R. Br.) cv. White Dorse seedlings in a cell flat were measured, and regression analyses were conducted to investigate the relationships between ETP and environmental factors (solar radiation ; SR, saturation deficit ; SD and air temperature ; AT). In each sowing month, ETP was positively correlated with SR, SD and AT. Coefficients of determination (R²) were higher than 0.81 in SR throughout the year and larger than those in SD or AT in most sowing months. Seasonal variation of R² in the regression lines was also lowest between ETP and SR compared to the other two factors. Thus, ETP was strongly affected by SR in each sowing month. When the yearly data were pooled, the regression line between ETP (y;mg·plant^-1) and SR (x;MJ·M^-2) was expressed as follows ; y = 276.2x+24.1 (R²= 0.873). Although R² of a multiple regression equation became 0.921 when SD and AT were included as explanatory variables, there was little difference between the values of R^-2-. A simple regression line of ETP and SR could estimate ETP. Change in ETP during seedling growth caused by the increase in the total leaf area was only 1.7 fold in comparison to changes in total dry weight and leaf area which were 10 and 7 fold, respectively. ETP at night was considered negligible in the estimation of ETP. When the transplants of stock are grown with an automatic fertigation system for a cell flat (12ml cell volume), supplying every 5 to 6 MJ·m^-2 cumulative solar radiation may be a suitable value for fertigation frequency.

DOI： 10.2525/jshita.14.81

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Other Link： https://jlc.jst.go.jp/DN/JALC/00157916735?from=CiNii

Transplant Production on Stock with Automatically Subirrigated Cell Flat. (Part 2). Growth and Productivity of Transplants as Affected by Fertigation Frequency Controlled in Response to Solar Radiation or Scheduled in Time Course.:Growth and Productivity of Transplants as Affected by Fertigation Frequency Controlled in Response to Solar Radiation or Scheduled in Time Course

GOTO Tanjuro, FUJIMOTO Yuya, YOSHIDA Yuichi, KAGEYAMA Yoshihiro

Shokubutsu Kankyo Kogaku 14(2), 87-91 ( 2 ) 87 - 91 2002

Language：Japanese Publisher：JAPANESE SOCIETY OF AGRICULTURAL, BIOLOGICAL AND ENVIRONMENTAL ENGINEERS AND SCIENTISTS

We demonstrated the practical utility of solar radiation mediated fertigation control for transplant production in a cell flat with an automatic ebb-and-flow fertigation system. Furthermore, we investigated seasonal changes in growth and productivity of stock (Matthiola incana R. Br.) cv. White Dorse as affected by fertigation frequency controlled in response to solar radiation (5 or 10 MJ · m^-2) and scheduled time course (once or twice per day). The shoot dry weight of transplants and fresh weight of cut flowers were higher in plants fertigated with every 5 MJ · m^-2 of solar radiation, sown between late April and late July. In plants sown during other periods, there was no significant difference in growtn and productivity among plants fertigated differently. When the plants sown in June were fertigated twice per day, the exposure was 5 MJ · m^-2 in average of cumulatlve solar radiation from fertigation to subseauent fertigation. However, the maximum cumulative value exceeded 8 MJ · m^-2. Water stress caused by the high solar radiation accompanied by high temperature and large saturation deficit may have resulted in reduced growth of the transplants and decreased quality of the cut flowers. When the stock transplants were grown in a cell flat (220 cells of 12ml cell volume), suffcient but not excess fertigation could be obtained by supplying nutrient solution every 5 MJ · m^-2 of solar radiation with an automatic ebb-and-flow fertigation system.

DOI： 10.2525/jshita.14.87

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Transplant production of stocbwith automatically subirrigated cell flat(Part2) growth and Productivity of trausplants as affectedby fentigaton ferguency controlled in respouse fo solar radiation or Scheduled in time course

J.of Society of High,Tech in Agri 14(2), 87-91 2002

根域制限で栽培したキクの光合成、蒸散特性と葉の形態に及ぼす養水分供給頻度の影響

園芸学会雑誌 71(2), 277-283 2002

キク '精興の誠' の葉身における黄斑の発生に及ぼす養水分ストレスの影響

後藤丹十郎

園学雑 71 ( 1 ) 320 - 320 2002

Anthocyanin accumulation in strawberry fruits as affected by nitrogen nutrition

Y Yoshida, T Goto, M Hirai, M Masuda

PROCEEDINGS OF THE FOURTH INTERNATIONAL STRAWBERRY SYMPOSIUM, VOLS 1 AND 2 ( 567 ) 357 - 360 2002

Language：English Publisher：INTERNATIONAL SOCIETY HORTICULTURAL SCIENCE

Effects of nutrient deficiency (N, P and K) on color development and anthocyanin accumulation in strawberry fruit were determined. In fruits of N deficient `Nyoho' red color began to develop faster, while L* value and hue angle were lower at 24 days after anthesis (DAA) compared to those of control or P and K deficient plants, but there was no significant difference at 27 to 36 DAA. The concentration of total anthocyanins was significantly higher in N deficient fruits than that in control at 24 DAA, but was significantly lower in N deficient fruits compared to that in controls at 33 or 36 DAA. In case of 'Toyonoka', there was no effect of treatment on color development and anthocyanin concentration. In three other cultivars (Tochiotome, Sachinoka and Hokowase), L* value, hue and chroma were significantly higher, and the concentration of total anthocyanins was also lower in N deficient fruits compared to the other treatments. It was concluded that the anthocyanin synthesis. in strawberry fruits may be reduced by N deficiency.

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Construction of ″Rakuchin″, a new type of strawberry substrate culture system of Kagawa : 8. Growth, yield and quality of ′Nyoho′as affected by NaCl concentration in the solution

YOSHIDA Y., MIYATA H., GOTO T.

70 ( 2 ) 298 - 298 2001.9

Soilmixes Affected on Cut Flower Production of Roses in Bench Culture

KAGEYAMA Y., OKAZAKI H., GOTO T.

70 ( 2 ) 201 - 201 2001.9

Growth and cut flower quality of stock and snapdragon seedlings raised in cell flat using soil added heat fusion polyester fiber

GOTO T., YOKOHARI D., FUJII K., MOTOOKA S., KONISHI K.

70 ( 2 ) 316 - 316 2001.9

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