RESEARCH ARTICLE


Biochemical Defenses Induced by Mycorrhizae Fungi Glomus Mosseae in Controlling Strawberry Fusarium Wilt



Wang Yanan1, 2, Zhao Xusheng1, 2, Yin Baozhong1, 2, Zhen Wenchao1, 2, *, Guo Jintang3
1 College of Plant Protection, Agricultural University of Hebei, No. 289 Lingyusi Street, Baoding City, 071001, Hebei, China;
2 Research Center for Biocontrol Techniques against Pests on Crops of Hebei Province, No. 289 Lingyusi Street, Baoding City, 071001, Hebei, China
3 Mountainous Areas Research Institute of Hebei, No. 289 Lingyusi Street, Baoding City, 071001, Hebei, China


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© Yanan et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the (https://creativecommons.org/licenses/by/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Research Center for Biocontrol Techniques against Pests on Crops of Hebei Province, No. 289 Lingyusi Street, Baoding City, 071001, Hebei, China; Tel: +86-13582903299; E-mail: 13582903299Wenchao@qq.com


Abstract

The effect of VAM on reducing wilt caused by Fusarium oxysporum Schlecht. f.sp. fragariae Winks et Williams (FO) infection in strawberry and the possible mechanisms involved were investigated. Two key substances involved in disease defenses, lignin and hydroxyproline-rich glycoprotein were induced and formed in the cell wall of strawberry root, and the peak content of lignin and hydroxyproline-rich glycoprotein was obtained on the 25th day (149.52mg/g) and on the 15th day (10.08 mg/g), respectively. The activity of protective enzymes SOD, POD and CAT inoculation with VAM significantly increased when compared with the control under both CK (natural growth) and inoculated with FO. The conductivity of VAM plus FO treatment was higher than the CK treatment, but significantly lower than the FO treatment.

Keywords: Fusarium wilt, Inhibitory mechanism, Mycorrhizae fungi, Strawberry, Arbuscular Mycorrhiza.