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2011 | 51 | 4 |

Tytuł artykułu

Application of Mycorhizae for controlling root diseases of sesame

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Vesicular arbuscular mycorrhizae fungi (VAM) was evaluated as a biotic agent for controlling wilt and root-rot diseases of sesame caused by Fusarium oxysporum f. sp. sesami (Zap.) Cast and Macrophomina phaseolina (Moubl) Ashby pathogens can infect sesame plant at any growth stage causing considerable losses of seed yield. Spores of VA mycorrhizae fungi (Glomus spp.) were collected from the soil around the root systems of sesame plants then propagated on roots of Suddan grass (Sorghum vulgare var. sudanese). Under green house and field conditions, two hundreds sporocarps of Glomus spp. were added as a soil drench beside the sesame plant. Glomus spp. (VA mycorrhizae) significantly reduced wilt and root-rot incidence of sesame plants. Lums spp. (VA mycorrhizae) also significantly increased plant morphological characters such as plant height, number of branches and number of pods for each plant. Application of Glomus spp. to protect sesame plants by colonizing the root system, significantly reduced colonization of fungal pathogens in sesame rhizosphere as well as pathogenic activity of fungal pathogens increased lignin contents in the sesame root system were also observed. Furthermore, mycorrhizae treatment provided selective bacterial stimulation for colonization on sesame rhizosphere. These bacteria belonging the Bacillus group showed highly antagonistic potential to fungal pathogens. Application of mycorrhizae together with other biocontrol agent such as Trichoderma viride or Bacillus subtilis significantly effected than individual treatments for controlling these diseases incidences and increasing morphological characters and seed yield of sesame.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

51

Numer

4

Opis fizyczny

p.355-361,fig.,fot.,ref.

Twórcy

  • Plant Pathology dept., National Research Centre, Tahrir Street, Dakki, P.O. box 12622, Giza, Egypt
autor
autor

Bibliografia

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  • El-Bramawy M.A.S., Abul Wahid O.A., Ammar S.E.M. 2008. Validity assessment of certain Sesamum indicum L. genotypes for genetic parameters and Fusarium wilt, charcoal root-rot diseases resistance. p. 21-22. In: Proc. 4th Scientific Conference of the Agricultural and Biological Research Division. National Res. Centre. Cairo-Egypt, 5-6 May, 2008, 96 pp.
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  • Elewa I.S, Sahab A.F., Mostafa M.H., Ziedan E.H. 2011. Direct effect of biocontrol agents on wilt and root-rot diseases of sesame. Arch. Phytopathol. Plant Protect. 44 (5): 493-504.
  • El-Fiki A.I.I., Mohamed F.G., El-Deeb A.A., Khalifa M.M.A. 2004. Some Applicable methods for controlling sesame charcoal rot disease (Macrophomina phaseolina) under greenhouse conditions, Egypt. J. Phytopathol. 32 (1-2): 87-101.
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  • Hyun J.W., Kiml Y.H., Lee Y.S., Park W.M. 1999. Isolation and evaluation of protective effect against Fusarium wilt of esame plants of antibiotic substance from Bacillus polymyxa KB-8. Pathol. J. 15 (3): 152-157.
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  • Mostafa M.H., Sahab A.F., Elewa I.S., Ziedan E.H. 2003. Sesame transplanting strategies for controlling soil borne diseases. Egypt. J. Agric. Res. Nat. Res. Centre 1 (2): 387-401.
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  • Sahab A.F., Elewa I.S., Mostafa M.H., Ziedan E.H. 2001. Integrated control of wilt and root-rot diseases of sesame in Egypt. Egypt. J. Appli. Sci. 16 (7): 448-462.
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