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ID 9503
Eprint ID
9503
フルテキストURL
タイトル(別表記)
Growth, Yield and Fruit Quality of Tomato as Affected by Root Zone Restriction in Combination with Solar-mediated Fertigation Regime
著者
吉田 裕一 岡山大学
松野 太樹 岡山大学
新開 礼 岡山大学
後藤 丹十郎 岡山大学
抄録
 Plant growth and fruit development of tomato (Lycopersicon esculentum Mill. cv. House Momotaro) grown in different sized plastic pots (root zone volume, RZV, of 250, 500, 1,000 mL/plant) in combination with high or low rate of drip fertigation (HF and LF) were investigated. In the February-sown experiment, the plants were fertigated with standard to half strength of Ohtsuka-A solution in proportion to solar radiation keeping the ratio of drainage to supplied solution as 10 to 20オ, in 500mL- and 250mL-RZV for HF and LF, respectively. Stem and leaf growth decreased with decrease in RZV and the fertigation rate. The decreases were not significant in the distal plant part lower than the 4th inflorescence. The average fruit weight was greater in HF than LF and increased with increase in RZV only for HF. The incidence of blossom-end rot (BER) was more frequent in HF compared to LF and increased with increase in RZV only for LF. Consequently, fruit yield increased with increase in RZV for HF, but it decreased with increase in RZV for LF. Total soluble solid content (TSS) was significantly higher in LF than in HF and increased with decrease in RZV. Qualified fruits, called ‘fruit tomato’ having 8オ of TSS or higher, were obtained with 250 to 500mL of RZV in the successive October-sown experiment where the standard solution was supplied throughout. For ‘fruit tomato’ production with a substrate culture system, root zone restriction, in combination with solar-mediated fertigation control, can be a useful and stable stress factor, reducing shoot and fruit growth, but inducing fruit sugar accumulation and reducing BER incidence simultaneously.
キーワード
blossom-end rot
drip fertigation
fruit tomato
Lycopersicon esculentum Mill
発行日
2007-02
出版物タイトル
岡山大学農学部学術報告
出版物タイトル(別表記)
Scientific Reports of the Faculty of Agriculture Okayama University
96巻
1号
出版者
岡山大学農学部
出版者(別表記)
Faculty of Agriculture, Okayama University
開始ページ
37
終了ページ
42
ISSN
0474-0254 
NCID
AN00033029
資料タイプ
紀要論文
言語
Japanese
論文のバージョン
publisher
査読
無し
Eprints Journal Name
srfa