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＜departmental bulletin paper＞
Effects of Near-Ultraviolet Elimination on Fusarium Wilt Disease of Spinach in Relation to Endogenous Gibberellin and Auxin Activities

Creator
Creator Name
龍, 明華
Long, Ming Hua
Affiliation
Affiliation Name
九州大学農学部園芸学教室
Laboratory of Horticultural Science, Faculty of Agriculture, Kyushu University
Author PID
K001570
Creator Name
大久保, 敬
Okubo, Hiroshi
Affiliation
Affiliation Name
九州大学農学部園芸学教室
Laboratory of Horticultural Science, Faculty of Agriculture, Kyushu University
Creator Name
藤枝, 國光
Fujieda, Kunimitsu
Affiliation
Affiliation Name
九州大学農学部園芸学教室
Laboratory of Horticultural Science, Faculty of Agriculture, Kyushu University
Language
Japanese
Publisher
九州大學農學部
Faculty of Agriculture, Kyushu University
Date
1990-02
Source Title
Science bulletin of the Faculty of Agriculture, Kyushu University
Vol
44
Issue
3
First Page
137
Last Page
141
Publication Type
Version of Record
Access Rights
open access
JaLC DOI
https://doi.org/10.15017/23333
Related DOI
九州大學農學部學藝雜誌 || 44(3) || p137-141
Science bulletin of the Faculty of Agriculture, Kyushu University || 44(3) || p137-141
http://www.agr.kyushu-u.ac.jp/
Related URI
九州大學農學部學藝雜誌 || 44(3) || p137-141
Science bulletin of the Faculty of Agriculture, Kyushu University || 44(3) || p137-141
http://www.agr.kyushu-u.ac.jp/
Relation
九州大學農學部學藝雜誌 || 44(3) || p137-141
Science bulletin of the Faculty of Agriculture, Kyushu University || 44(3) || p137-141
http://www.agr.kyushu-u.ac.jp/

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Details

Record ID
23333
Peer-Reviewed
Unrefereed
Subject Terms
近紫外線除去
ホウレンソウ
萎凋病
内生ジベレリン
オーキシン活性
ISSN
0368-6264
NCID
AN0005519X
Notes
Endogenous gibbereliin and auxin activities and tolerance to fusarium wilt disease in spinach in summer cropping were higher under near-ultraviolet eliminating polyvinyl chloride film (UVE) than under near-ultraviolet transmitting polyvinyl chloride film (UVT). Gibbereliic acid (GA_3) treatment after inoculation of Fusarium oxysporum f. sp. spinaciae gave the various results on disease severity depending on the concentration and the films. Endogenous hormone activities were lower in the inoculated plants treated with GA_3 than those in uninoculated plants without GA_3. These hormones do not seem to act directly to the pathogen, but seem to increase the tolerance of the plants by increasing the growth and vigor.
夏播き栽培におけるホウレンソウは近紫外線除去ビニル被覆下で萎凋病発生が抑えられ,内生ジベレリンおよびオーキシン活性も高かった.病原菌を接種した後にジベレリン処理をすると農業用一般ビニル被覆下では病害は抑えられたが,近紫外線除去ビニル被覆下あるいは農業用一般ビニル被覆下でも処理濃度が高いと逆に増加した.また,病原菌を接種した個体の内生ジベレリンおよびオーキシン活性はいずれのビニル被覆下においても健全な個体に比べて低かった.以上のことから,これら植物ホルモンが病原菌に直接作用するのではなく,健全で旺盛な生育を引き起こすことにより病害の進行を抑えていることが示唆された.また,ジベレリン処理で病害の制御を図るよりも近紫外線除去ビニルにより体内のホルモンレベルを上げて病害の進行を抑える方が,主育促進効果とも相まってより合理的と思われる.
Created Date 2012.07.30
Modified Date 2022.11.11

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