Influence of the endomycorrhizal fungus Glomus mosseae on the development of peanut pod rot disease in Egypt

被引：39

作者：

Abdalla M.E. ^{[1
]}

Abdel-Fattah G.M. ^{[2
]}

机构：

[1] Plant Pathology Department, Faculty of Agriculture, Mansoura University

[2] Department of Botany, Faculty of Science, Mansoura University

来源：

Mycorrhiza | 2000年 / 10卷 / 1期

关键词：

Arachis hypogaea; Bioprotection; Fusarium solani; Glomus mosseae; Pod rot disease; Rhizoctonia solani;

D O I：

10.1007/s005720050284

中图分类号：

学科分类号：

摘要：

The interaction between the arbuscular mycorrhizal fungus Glomus mosseae and the two pod rot pathogens Fusarium solani and Rhizoctonia solani and subsequent effects on growth and yield of peanut (Arachis hypogaea L.) plants were investigated in a greenhouse over a 5-month period. At plant maturity, inoculation with F. solani and/or R. solani significantly reduced shoot and root dry weights, pegs and pod number and seed weight of peanut plants. In contrast, the growth response and biomass of peanut plants inoculated with G. mosseae was significantly higher than that of non-mycorrhizal plants, both in the presence and absence of the pathogens. Plants inoculated with G. mosseae had a lower incidence of root rot, decayed pods, and death than non-mycorrhizal ones. The pathogens either alone or in combination reduced root colonization by the mycorrhizal fungus. Propagule numbers of each pathogen isolated from pod shell, seed, carpophore, lower stem and root were significantly lower in mycorrhizal plants than in the non-mycorrhizal plants. Thus, G. mosseae protected peanut plants from infection by pod rot fungal pathogens.

引用

页码：29 / 35

页数：6

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