A. Heydari
Iranian Research Institute of Plant Protection, Tehran, Iran
A. Ahmadi
Neishabour Station, Razavi Khorasan Agricultural Research Center, Neishabour, Iran
S. Sarkari
Moghan Agricultural Research Center, Moghan, Ardebil, Iran
H. Karbalayi Khiavi
Moghan Agricultural Research Center, Moghan, Ardebil, Iran
M. Delghandi
Agricultural Research Center of Razavi Khorasan, Mashhad, Iran
ABSTRACT
This study was carried out to investigate the roles of common weeds in the survival of Verticillium dahliae and the incidence of cotton wilt disease in Moghan and Neishabour area of Iran during 2003-2005 cropping seasons. The design of the experiment was Randomized Complete Blocks (RCB) with ten treatments (No. of weeds) and four replications (No. of cotton fields). Populations of V. dahliae in the roots of weeds and their surrounding soil was determined every year and were compared in different treatments. The cotton wilt disease index was also evaluated in different fields in each experimental site. Results indicated that the fungal population was variable depending on weed species, experimental site and the year of study. In general, Pigweed (Amaranthus retroflexus), Nightshde (Solanum nigrum), Spiny cockleburr (Xanthium spinosum) and common purslane (Portulaca oleraceea) showed the highest fungal populations in their roots and surrounding soil. Disease index in Moghan cotton fields in different years varied and were higher than Neishabour fields.
PDF References Citation
How to cite this article
A. Heydari, A. Ahmadi, S. Sarkari, H. Karbalayi Khiavi and M. Delghandi, 2007. Study of the Role of Common Weeds in Survival of Verticillium dahliae the Causal Agent of Cotton Wilt Disease. Pakistan Journal of Biological Sciences, 10: 3910-3914.
DOI: 10.3923/pjbs.2007.3910.3914
URL: https://scialert.net/abstract/?doi=pjbs.2007.3910.3914
DOI: 10.3923/pjbs.2007.3910.3914
URL: https://scialert.net/abstract/?doi=pjbs.2007.3910.3914
REFERENCES
- Bendict, J.H., K.M. El-Zik, L.R. Oliver, P.A. Roberts and L.T. Wilson, 1989. Economic injury levels and thresholds for pests of cotton. Integrated Pest Manag. System Cotton Produc., 12: 121-153.
Direct Link - Berger, F., D. Lih, R. Frazer and C. Leifert, 1986. Effect of pathogen inoculum, antagonist density and plant species on biological control of phytophthora and pythium damping off by Bacillus subtilis. Phytopathology, 86: 428-433.
Direct Link - Bhat, R.G. and K.V. Subbarao, 1999. Host range specificity in Verticillium dahliae. Phytopathology, 89: 1218-1225.
Direct Link - Du Toit, L.J., M.L. Derie and P. Hernandez-Perez, 2005. Verticillium wilt in spinach seed production. Plant Dis., 89: 4-11.
Direct Link - Epstein, L., R. Beeds, S. Kaur and L. Fergusen, 2004. Rootstock effects on pistachio grown in Verticillium dahliae infested soil. Phytopathology, 94: 388-395.
Direct Link - Ghalandar, M., E. Clewes, D.J. Barbara, R. Zare and A. Heydari, 2004. Verticillium wilt (Verticillium albo-atrum) on Medicago sativa (alfalfa) in Iran. Plant Pathol., 53: 812-812.
CrossRefDirect Link - Heydari, A. and I.J. Misaghi, 1998. The impact of herbicides on the incidence and development of Rhizoctonia solani-induced cotton seedling damping-off. Plant Dis., 82: 110-113.
Direct Link - Heydari, A., H. Fattahi, H.R. Zamanizadeh, N.H. Zadeh and L. Naraghi, 2004. Investigation on the possibility of using bacterial antagonists for biological control of cotton seedling damping-off in greenhouse. Applied Entomol. Phytopathol., 72: 51-68.
Direct Link - Naraghi, L., H. Zareh-Maivan, A. Heydari and H. Afshari-Azad, 2007. Investigation of the effect of heating, vesicular arbuscular mycorrhiza and thermophilic fungus on cotton wilt disease. Pak. J. Biol. Sci., 10: 1596-1603.
CrossRefPubMedDirect Link - Resende, M.L.V., J. Flood and R.M. Cooper, 1994. Host specialization of Verticillium dahliae with emphasis on isolates from Cocoa. Plant Pathol., 43: 104-111.
CrossRefDirect Link