Volume 10, Issue 2 (2008)                   JAST 2008, 10(2): 165-171 | Back to browse issues page

‎ 20.1001.1.16807073.2008.10.2.3.7

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Jamali S, Pourjam E, Alizadeh A, Alinia F. Reproduction of the White Tip Nematode (Aphelenchoides besseyi Christie, 1942) in Different Monoxenic Cultures. JAST 2008; 10 (2) :165-171
URL: http://jast.modares.ac.ir/article-23-4151-en.html
Reproduction of the White Tip Nematode (Aphelenchoides besseyi Christie, 1942) in Different Monoxenic Cultures
S. Jamali1 , E. Pourjam 2, A. Alizadeh2 , F. Alinia3
1- Department of Plant Pathology, College of Agriculture, Guilan University, Rasht, Islamic Republic of Iran.
2- Department of Plant Pathology, College of Agriculture, Tarbiat Modares University, P. O. Box 14115- 336, Tehran, Islamic Republic of Iran.
3- Rice Research Institute, Rasht, Islamic Republic of Iran.
Abstract:   (6219 Views)
The reproductive range of the Iranian population of white tip nematode in rice, Aphel-enchoides besseyi, was investigated in vitro to find out a suitable medium as well as a fa-vorable fungal host for monoxenic culturing this nematode. Studies were carried out on rice seed associated fungi, pathogenic fungi and one mushroom (Agaricus bisporus) grown on three culture media, RPA (rice polish agar), OMA (oat meal agar) and PDA (potato dextrose agar). The nematode showed the greatest multiplication on Fusarium verticillioides, F. proliferatum, Curvularia lunata and Magnaporthe salvini in OMA and on Alternaria alternata, Bipolaris oryzae and Pyricularia oryzae in PDA. Among the fungi, tested A. alternata, C. lunata, F. verticillioides, B. oryzae, M. salvini, F. proliferatum and P. oryzae supported a high reproduction rate in the nematode in a descending rank. The nematode failed to multiply on Aspergillus niger, Rhizoctonia solani and Agaricus bis-porus grown on any of the three media. The highest sex ratio (F:M) was achieved on OMA but the highest male percentage ratio was observed on PDA. The two pathogenic fungi, B. oryzae and M. salvini are reported as new fungal hosts for monoxenic culturing of this nematode.
Keywords: reproduction, Aphelenchoides besseyi, Fungi, Host range, Monoxenic culture
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Received: 2010/01/27 | Accepted: 2010/01/27 | Published: 2010/01/27
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