マンシュウマメナシ台木によるニホンナシの耐塩性向上(土壌管理・施肥・灌水)  [in Japanese] Enhancement in Salt Tolerance of Japanese Pear by Using Pyrus betulaefolia Rootstock(Soil Management, Fertilization & Irrigation)  [in Japanese]

Abstract

0, 25または100mMのNaCl処理が3種の台木種マンシュウマメナシ(P. betulaefolia),ニホンヤマナシ(P. pyrifolia)およびマメナシ(P. calleryana)に接ぎ木したニホンナシ'秋栄'の無機成分含量および光合成に与える影響を調査し,耐塩性を比較した.マンシュウマメナシ台'秋栄'は葉に含まれるNaおよびCl含量が他台木種を用いた場合に比べ少なく,光合成速度の低下も少なかった.これらの結果より,マンシュウマメナシは根にNaおよびClの移動を抑制する何らかの機構を持っており,穂木を接いでもこの特性は維持されることが示唆された.そのためマンシュウマメナシ台'秋栄'は他台木種を用いた場合に比べ強い耐塩性を示したと考えられた.マンシュウマメナシは塩ストレス下でニホンナシ栽培を行う場合,台木として有望であると考えられた.

The effects of 0, 25 or 100mM NaCl treatments on ion uptake and gas exchange of the Japanese pear 'Akibae' grown on the rootstocks P. betulaefolia, P. calleryana and P. pyrifolia were investigated. The leaf Na and Cl concentrations and the decrease in the photosynthetic rate for P. betulaefolia rootstock were lower than those for other rootstocks. 'Akibae' grown on P. betulaefolia exhibits a higher salt tolerance than those grown on P. pyrifolia and P. calleryana. These findings suggested that P. betulaefolia have a salt exclusion mechanism in the root, and this characteristic is maintained even if scion cultivars were grafted. Therefore, P. betulaefolia is a useful rootstock for Japanese pear cultivation under saline conditions.

Journal

Horticultural research (Japan)   [List of Volumes]

Horticultural research (Japan) 6(1), 47-52, 2007-01-15  [Table of Contents]

The Japanese Society for Horticultural Science

References:  19

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Codes

  • NII Article ID (NAID) :
    110006201601
  • NII NACSIS-CAT ID (NCID) :
    AA11608561
  • Text Lang :
    JPN
  • Article Type :
    ART
  • ISSN :
    13472658
  • NDL Article ID :
    8709584
  • NDL Source Classification :
    ZR7(科学技術--農林水産--農産)
  • NDL Call No. :
    Z74-C757
  • Databases :
    CJP  NDL  NII-ELS