Effect of inoculation with the arbuscular mycorrhizal fungus Glomus intraradices on the root-knot nematode Meloidogyne incognita in cucumber

L.D. Zhang, J.L. Zhang, Peter Christie, X.L. Li

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15 Citations (Scopus)
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Abstract

A pot experiment was carried out to investigate the tolerance of cucumber plants (Cucumis sativus L.) to root-knot nematode after inoculation with Glomus intraradices. Plants were inoculated with G. intraradices for four weeks and then transplanted in soil treated with Meloidogyne incognita for a further five weeks. The low phosphorus (P) loamy soil was amended with 50 and 100 mg P kg−1 soil. Mycorrhizal colonization increased shoot dry weight, shoot length, leaf numbers, root fresh weight and shoot P concentration, whereas nematode penetration and reproduction were significantly decreased. Similarly, P fertilization usually increased shoot growth and significantly decreased the number of galls and the number of egg masses and eggs per g root. Our results indicate that inoculation with G. intraradices and P fertilizer confer tolerance of cucumber plants to M. incognita by enhancing plant growth and by suppressing reproduction and/or galling of nematodes during the early stages of plant growth.
Original languageEnglish
Pages (from-to)967-979
Number of pages13
JournalJournal of Plant Nutrition
Volume32
Issue number6
Early online date05 May 2009
DOIs
Publication statusPublished - Jun 2009

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Physiology

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