American Journal of Agriculture and Forestry

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Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms

Received: 11 December 2014    Accepted: 23 December 2014    Published: 29 December 2014
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Abstract

Ash tree, Fraxinus (Oleaceae), is a fine species of timber, shelter and scenic tree used for afforestation in China. Emerald ash borer (EAB), Agrilus planipennis Fairmaire, an important trunk borer of ash trees, have caused great damage to ash trees in China, the United States, Canada and other countries. First, adult EAB lays eggs in the bark crevices, then the newly hatched larvae feed on the superficial layers of the bark, and enter the xylem when approaching maturity, causing great damage. Therefore, bark is an important location for the adult oviposition, egg development and larval feeding of EAB. In order to understand the resistance of different species of ash trees and their mechanisms, eight ash trees with varying degrees of resistance to EAB were chosen to further investigate the morphological characteristics of the bark, anatomical structure of the tissue, main nutrients and secondary metabolites. The following results were observed: (1) The resistance of different tree species to EAB was not correlated with the bark color, but was inversely proportional to bark thickness, roughness, lenticel size, and compactness. The thicker, rougher and more compact the bark was, the larger the lenticels were, and in turn the greater the EAB-induced damage was. (2) In the anatomical structure of the bark tissues, the vessel size, wood cell number, wood cell area and stone cell number were shown to be the most important resistance factors, among which vessel area and wood cell area were both negatively correlated with insect resistance, and stone cell number and wood cell number were positively correlated. (3) Among the main nutrients and secondary metabolites, polyphenols, soluble sugars, reducing sugars and flavonoids were shown to be the most important resistance factors, the contents of which in tree species with high resistance were generally higher than those in susceptible tree species. These results provide a theoretical basis and practical guidance for revealing the resistance of different species of ash trees to EAB, and selecting suitable insect resistant tree species.

DOI 10.11648/j.ajaf.20140206.22
Published in American Journal of Agriculture and Forestry (Volume 2, Issue 6, November 2014)
Page(s) 302-308
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Emerald Ash Borer, Ash Tree, Bark, Resistance Mechanism

References
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[7] Hou TQ (1986) Emerald Ash Borer. Institute of Zoology, Chinese Academy of Sciences, Agricultural Insects of China (Vol.1). Beijing: China Agr. Press 445.
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[17] Marshall JM, Storer AJ, Fraser I Mastro VC (2010) Efficacy of trap and lure types for detection of Agrilus planipennis (Col., Buprestidae) at low density. J. Appl. Entomol. 134: 296-302.
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[19] Raghu S, Drew R, Clarke AR (2004) Influence of host plant structure and microclimate on the abundance and behavior of a tephritid fly. J. Insect Behav. 17(2): 179-190.
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Author Information
  • Key Laboratory of Beijing for the Control of Forest Pests, Beijing Forestry University, Beijing 100 083, China

  • Ao Yang Ecology and Agroforestry Limited Company, Jiangsu 215 623, China

  • Mentougou Forestry Station, Beijing 102 300, China

  • Key Laboratory of Beijing for the Control of Forest Pests, Beijing Forestry University, Beijing 100 083, China

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  • APA Style

    Shixiang Zong, Jianqiang Lin, Tao Wang, Youqing Luo. (2014). Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms. American Journal of Agriculture and Forestry, 2(6), 302-308. https://doi.org/10.11648/j.ajaf.20140206.22

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    ACS Style

    Shixiang Zong; Jianqiang Lin; Tao Wang; Youqing Luo. Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms. Am. J. Agric. For. 2014, 2(6), 302-308. doi: 10.11648/j.ajaf.20140206.22

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    AMA Style

    Shixiang Zong, Jianqiang Lin, Tao Wang, Youqing Luo. Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms. Am J Agric For. 2014;2(6):302-308. doi: 10.11648/j.ajaf.20140206.22

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  • @article{10.11648/j.ajaf.20140206.22,
      author = {Shixiang Zong and Jianqiang Lin and Tao Wang and Youqing Luo},
      title = {Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms},
      journal = {American Journal of Agriculture and Forestry},
      volume = {2},
      number = {6},
      pages = {302-308},
      doi = {10.11648/j.ajaf.20140206.22},
      url = {https://doi.org/10.11648/j.ajaf.20140206.22},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajaf.20140206.22},
      abstract = {Ash tree, Fraxinus (Oleaceae), is a fine species of timber, shelter and scenic tree used for afforestation in China. Emerald ash borer (EAB), Agrilus planipennis Fairmaire, an important trunk borer of ash trees, have caused great damage to ash trees in China, the United States, Canada and other countries. First, adult EAB lays eggs in the bark crevices, then the newly hatched larvae feed on the superficial layers of the bark, and enter the xylem when approaching maturity, causing great damage. Therefore, bark is an important location for the adult oviposition, egg development and larval feeding of EAB. In order to understand the resistance of different species of ash trees and their mechanisms, eight ash trees with varying degrees of resistance to EAB were chosen to further investigate the morphological characteristics of the bark, anatomical structure of the tissue, main nutrients and secondary metabolites. The following results were observed: (1) The resistance of different tree species to EAB was not correlated with the bark color, but was inversely proportional to bark thickness, roughness, lenticel size, and compactness. The thicker, rougher and more compact the bark was, the larger the lenticels were, and in turn the greater the EAB-induced damage was. (2) In the anatomical structure of the bark tissues, the vessel size, wood cell number, wood cell area and stone cell number were shown to be the most important resistance factors, among which vessel area and wood cell area were both negatively correlated with insect resistance, and stone cell number and wood cell number were positively correlated. (3) Among the main nutrients and secondary metabolites, polyphenols, soluble sugars, reducing sugars and flavonoids were shown to be the most important resistance factors, the contents of which in tree species with high resistance were generally higher than those in susceptible tree species. These results provide a theoretical basis and practical guidance for revealing the resistance of different species of ash trees to EAB, and selecting suitable insect resistant tree species.},
     year = {2014}
    }
    

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  • TY  - JOUR
    T1  - Resistance of Eight Species of Ash Trees to Emerald Ash Borer and their Mechanisms
    AU  - Shixiang Zong
    AU  - Jianqiang Lin
    AU  - Tao Wang
    AU  - Youqing Luo
    Y1  - 2014/12/29
    PY  - 2014
    N1  - https://doi.org/10.11648/j.ajaf.20140206.22
    DO  - 10.11648/j.ajaf.20140206.22
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
    SP  - 302
    EP  - 308
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20140206.22
    AB  - Ash tree, Fraxinus (Oleaceae), is a fine species of timber, shelter and scenic tree used for afforestation in China. Emerald ash borer (EAB), Agrilus planipennis Fairmaire, an important trunk borer of ash trees, have caused great damage to ash trees in China, the United States, Canada and other countries. First, adult EAB lays eggs in the bark crevices, then the newly hatched larvae feed on the superficial layers of the bark, and enter the xylem when approaching maturity, causing great damage. Therefore, bark is an important location for the adult oviposition, egg development and larval feeding of EAB. In order to understand the resistance of different species of ash trees and their mechanisms, eight ash trees with varying degrees of resistance to EAB were chosen to further investigate the morphological characteristics of the bark, anatomical structure of the tissue, main nutrients and secondary metabolites. The following results were observed: (1) The resistance of different tree species to EAB was not correlated with the bark color, but was inversely proportional to bark thickness, roughness, lenticel size, and compactness. The thicker, rougher and more compact the bark was, the larger the lenticels were, and in turn the greater the EAB-induced damage was. (2) In the anatomical structure of the bark tissues, the vessel size, wood cell number, wood cell area and stone cell number were shown to be the most important resistance factors, among which vessel area and wood cell area were both negatively correlated with insect resistance, and stone cell number and wood cell number were positively correlated. (3) Among the main nutrients and secondary metabolites, polyphenols, soluble sugars, reducing sugars and flavonoids were shown to be the most important resistance factors, the contents of which in tree species with high resistance were generally higher than those in susceptible tree species. These results provide a theoretical basis and practical guidance for revealing the resistance of different species of ash trees to EAB, and selecting suitable insect resistant tree species.
    VL  - 2
    IS  - 6
    ER  - 

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