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ネコブセンチュウの初期密度がオクラの生育および収量に及ぼす影響
http://hdl.handle.net/10232/00031951
http://hdl.handle.net/10232/00031951efd892fb-0865-41a3-a89e-b60d31c0fd85
名前 / ファイル | ライセンス | アクション |
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AN00040636_v42_p1-6 (892.9 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2022-05-06 | |||||
タイトル | ||||||
タイトル言語 | ja | |||||
タイトル | ネコブセンチュウの初期密度がオクラの生育および収量に及ぼす影響 | |||||
タイトル | ||||||
タイトル言語 | en | |||||
タイトル | Effect of Initial Population Density of Root-knot Nematode on Growth and Yield of Okra | |||||
著者 |
赤木, 功
× 赤木, 功× 福丸, 瑛里紗× 樗木, 直也 |
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言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題言語 | ja | |||||
主題Scheme | Other | |||||
主題 | ネコブセンチュウ(Meloidogyne spp.) | |||||
キーワード | ||||||
主題言語 | ja | |||||
主題Scheme | Other | |||||
主題 | オクラ(Abelmoschus esculentus) | |||||
キーワード | ||||||
主題言語 | ja | |||||
主題Scheme | Other | |||||
主題 | 初期密度 | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | initial population density | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | okra (Abelmoschus esculentus) | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | root-knot nematode (Meloidogyne spp.) | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 我が国のオクラ栽培において,ネコブセンチュウによる被害が大きな問題となっている.本研究では,ネコブセンチュウ密度の異なる土壌でオクラを栽培し,その生育経過および果実収量を調査することで,ネコブセンチュウの初期密度とオクラの生育および果実収量との関係性について解析を試みた.オクラの草丈は初期密度が高い試験区ほど低下する傾向にあった.草丈について対照区(初期密度: 0 頭/20 g)に対する相対値で示すと,レベルI 区(初期密度:6.3頭/20 g),レベルII 区(初期密度:45.6頭/20 g)およびレベルIII 区(初期密度:476頭/20 g) の順にそれぞれ84.8~89.9%,72.5~79.0%および75.6~78.1%であった.また,オクラ果実の累積収量も同様の傾向にありった.対照区に対する相対値はレベルI,II およびIII 区の順にそれぞれ50.3~76.4%,42.2~64.7% および20.4~42.5% であり,初期密度(対数値)と累積収量の間には明瞭な負の相関が認められた.このことは,ネコブセンチュウの初期密度はオクラの果実収量の減収程度を予測する上での有効な指標となることを示唆している. | |||||
内容記述言語 | ja | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Damage on okra (Abelmoschus esculentus (L.) Moench) caused by root-knot nematodes (Meloidogynespp.) infection is a serious problem in Japan. In order to clarify the relationship between initial population density of root-knot nematodes and the degree of damage to growth and fruit yield of okra, we cultivated okra on soils with different levels of population density of root-knot nematodes and investigated its growth parameters and fruit yields. It was shown that the plant heights decreased with increase in levels of population density of root-knot nematodes. The relative values of plant heights to control plot (initial population density: 0 numbers/20 g soil) were 84.8–89.9%, 72.5–79.0%, and 75.6–78.1 % in the level I plot (6.3 numbers/20 g soil), level II plot (45.6 numbers/20 g soil), and level III plot (476 numbers/20 g soil), respectively. Moreover, the cumulative yields of okra fruits had the same tendency. The relative values of cumulative yield to control plot were 50.3–76.4%, 42.2–64.7%, and 20.4–42.5%, respectively. The cumulative yields were negatively correlated with the logarithmic values of cumulative yields, which suggested that the initial population density of root-knot nematodes can be an effective index for calculating the degree of decrease in fruits yields of okra. | |||||
内容記述言語 | en | |||||
収録雑誌名 |
ja : 鹿児島大学農学部農場研究報告 en : Bulletin of the Experimental Farm Faculty of Agriculture,Kagoshima University 巻 42, p. 1-6, 発行日 2021-03-25 |
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作成日 | ||||||
日付 | 2021-03-25 | |||||
日付タイプ | Issued | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
ISSN | 03860132 | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN00040636 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 620 | |||||
公開者・出版者 | ||||||
出版者言語 | ja | |||||
出版者 | 鹿児島大学 | |||||
公開者・出版者 | ||||||
出版者言語 | en | |||||
出版者 | Kagoshima University |