Pathogenic Capacity of Botrytis cinerea on Leaves of Pyrus mamorensis, an Endemic Tree of Mamora Forest in Morocco

Authors

  • Zineb Sellal Laboratoire de Botanique et Protection des Plantes, Département des Sciences de la Vie, Faculté des Sciences, B. P. 133, Université Ibn Tofail, Kénitra, Morocco
  • Jamila Dahmani Laboratoire de Botanique et Protection des Plantes, Département des Sciences de la Vie, Faculté des Sciences, B. P. 133, Université Ibn Tofail, Kénitra, Morocco
  • Rachid Benkirane Laboratoire de Botanique et Protection des Plantes, Département des Sciences de la Vie, Faculté des Sciences, B. P. 133, Université Ibn Tofail, Kénitra, Morocco
  • Amina Ouazzani Touhami Laboratoire de Botanique et Protection des Plantes, Département des Sciences de la Vie, Faculté des Sciences, B. P. 133, Université Ibn Tofail, Kénitra, Morocco
  • Allal Douira Laboratoire de Botanique et Protection des Plantes, Département des Sciences de la Vie, Faculté des Sciences, B. P. 133, Université Ibn Tofail, Kénitra, Morocco

DOI:

https://doi.org/10.5147/ajb.v2i2.159

Keywords:

Morocco, Pyrus mamorensis, Botrytis cinerea, gray mold, inoculation.

Abstract

A survey in the Mamora forest was done in the spring of 2010 and revealed that 67% of buds and 27% of leaves of Pyrus mamorensis (Trabut) samples collected had lesions with a gray felting. The pathogenic fungus was identified as Botrytis cinerea by the filter – paper technic. Koch´s postulate was verified by inoculating healthy leaves. The estimated disease severity on P. mamorensis leaves was respectively 75.56% and 68.81% for inoculation by conidial suspension and the mycelial disks. Conidia production of Botrytis cinerea on inoculated leaves by conidial suspension was 1.03.105 conidia.cm-2 and by mycelial disks was 0.60.105 conidia.cm-2. This was the first report of gray mold disease of Mamora pear caused by Botrytis cinerea in Morocco.

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Published

2017-06-19

How to Cite

Sellal, Z., Dahmani, J., Benkirane, R., Ouazzani Touhami, A., & Douira, A. (2017). Pathogenic Capacity of Botrytis cinerea on Leaves of Pyrus mamorensis, an Endemic Tree of Mamora Forest in Morocco. Atlas Journal of Biology, 2(2), 125–129. https://doi.org/10.5147/ajb.v2i2.159

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