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Showing 2 results for Sclerotinia

Mehdi Nasresfahani, Ghazaleh Kaseb, Shaban Shafizadeh,
year 1, Issue 1 (3-2012)

The Pepper (Capsicum annuum) is one of the important field crops in the worlds, which its cultivation has been developed, because of its food value and consumptions. But, there are certain diseases, which limited the growth and productivity, out of which the fungal diseases are of high severity. Thus, for this very purpose, a survey was conducted in the pepper growing areas including field and glass houses for fungal diseases identification in Isfahan provinces. The infected pepper plants were collected in the plastic bages and transferred, into the lab. The macro and microscopic studies indicated that there are severed fungal diseases infecting the pepper plant on the areal parts, including Powdery mildews, Downy mildews, Sclerotinia stem rot, early blight and Botrytis molds. Except the Downy and Powdery mildews being obligate parasite, which cannot be cultured the rest were culture from the margin in the infected parts, where the disease were under development on PDA for purification and identifications through tip culture. The results revealed that, there are several fungal species involving including Peronosporatabacina for Downy mildew, Levielullatauricafor Powdery mildew, Early blight, Alternariaalteanataand A. solani, fruit rot, Botrytis cinerea and stem rot due to Sclerotiniasclerotiorum from areal parts.
Musa Mohammadi, Ahmad Hosseini, Ebrahim Sedaghati , Samin Hosseini,
year 7, Issue 1 (3-2018)

Mohammadi  M., Hosseini A., Sedaghati E. and Hosseini S. 2018. Mycoviruses  application in biocontrol of fugal pathogens. Plant Pathology Science 7(1):51-62.

Mycoviruses or fungal parasitic viruses have dsDNA, dsRNA or ssRNA genome. Some of these viruses have a restricted host range and can infect certain strains of host species. In contrast, some other viruses have wider host range and can infect different species of a fungal family. In most cases these viruses are transmitted by anastomosis of mycelium. In a phenomenon called hypovirulence, most of these viruses decrease the virulence of their host fungus. Discovery of  hypovirulence revealed the biocontrol ability of mycoviruses. In summary, mycoviruses could be implemented as powerful agents for biocontrol of fungal pathogens and induction of resistance in plants.

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