Volume 53 (2022)
Volume 52 (2021)
Volume 51 (2020)
Volume 50 (2019)
Volume 49 (2018)
Volume 48 (2017)
Volume 47 (2016)
Volume 46 (2015)
Volume 45 (2014)
Volume 44 (2013)
Volume 43 (2012)
Volume 42 (2011)
Volume 41 (2010)
Volume 40 (2009)
Volume 39 (2009)
Genetic Diversity and Pathogenicity of Mauginiella scaettae the causal agent of date palm

Hamid Alvanipour; Heshmatolah Aminian; Khalil Alami-Saeid; Karim Sorkheh; Reza Farrokhinejad; Mohammad Javan-Nikkhah

Volume 53, Issue 1 , April 2022, , Pages 57-70


  khamedj is one of the most important fungal diseases that in a favorable condition can lead to severe outbreaks and causing an 80% loss of the annual harvest. 30 isolates of Mauginiella scaettae, the causative agent of this disease including 27 isolates from different locations of the Iran, two isolates ...  Read More

Mating type and fertility status in populations of Bipolaris sorokiniana, the causal agent of root and crown common rot of wheat in Iran

Farshad Karamian; Mohammad Salari; Mahdi Pirnia; Abdollah Ahmadpour; Mohammad Javan Nikkhah

Volume 52, Issue 2 , February 2022, , Pages 1-14


  Root and crown common rotdisease caused by Bipolaris sorokiniana, has caused severe losses of wheat products worldwide. A collection of 147 monoconidial isolates was made from cultivated wheat in West Azerbaijan (Miyandoab), Golestan (Gorgan), Alborz (Karaj), Kermanshah (Kermanshah) and Fars (Shiraz) ...  Read More

Isolation, identification and dissemination of Fusarium species from soil of two different climates in Afghanistan

habibullah bahlolzada; Hossein Saremi; Mohammad Javan Nikkhah; Maryam Fallahi; seyed mohammad bagher Hosseini

Volume 52, Issue 1 , September 2021, , Pages 149-159


  The members of Fusarium is one of the important causal egent of soil borne diseases which cause serious damage in the agricultural and horticultural crops in the world. In order to investigate Fusarium destributions in agricultural soils in the Bamyan and Daikundi with semi desert climates, Kandahar ...  Read More

Bipolaris and Curvularia species associated with corn, sorghum and sugarcane in Iran and determination of their pathogenicity

Saadi Karami; Mohammad Javan Nikkhah; Khalil-Berdi Fotouhifar; Vahid Rahjoo; Abdollah Ahmadpour; Amin Alidadi

Volume 51, Issue 1 , September 2020, , Pages 129-146


  In order to study the Bipolaris and Curvularia species associated with corn, sorghum and sugarcane, sampeling were performed from different regions of Iran (including Alborz, Ardabil, Fars, Gilan, Golestan, Khuzestan, Mazandaran and Zanjan provinces) during the summer of 2011 and 2012. Fungal species ...  Read More

Fusarium species associated with rice seed in Fars and Khuzestan provinces, Iran

Vahid Khosravi; Mohammad Javan Nikkhah; Hossein Saremi; Shahram Naeimi; Rasoul Zare

Volume 50, Issue 1 , August 2019, , Pages 61-73


  During survey of rice fields in Fars and Khuzestan provinces at mature grain stage, 42 seed samples were collected. Fusarium isolates were obtained from these samples by planting seeds on selective Fusarium medium (Pepton-PCNB-Agar, PPA) by two methods i.e.; surface sterilization by sodium hypochlorite ...  Read More

Dynamic of Pyricularia oryzae at the two stages, leaf, and panicle neck blast based on the assessment of population structure at leaf, tiller, and field levels

Fatemeh Salimi; Mohammad Javan Nikkhah; Fereydon Padasht Dehkayi; Alireza Alizadeh; Hasan Soltanloo; Sareh Yosefirad

Volume 49, Issue 2 , March 2019, , Pages 187-201


  In order to assess the dynamic of Pyricularia oryzae at leaf and panicle neck blast stages, population genetic structures of the 142 isolates were investigated in a rice field and at three levels using SSR markers and five primer pair combinations. All the isolates were collected from the two-leaf and ...  Read More

Diversity and population genetic structure of Venturia inaequalis on different apple cultivars in the north of Iran

Leila Ebrahimi; Khalil-Berdi Fotouhifar; Mohammad Javan Nik Khah; Mohammad-Reza Naghavi

Volume 49, Issue 1 , September 2018, , Pages 23-31


  Apple scab disease caused by Venturia inaequalis is the most important economic disease worldwide where the apple is grown and causes annual epidemics. It reduces the quality and quantity of the yields in different regions of Iran. In this study, diversity and population genetic structure of V. inaequalis ...  Read More

Identification of mating type idiomorphs in Paecilomyces formosus, the causal agent of die-back disease in pistachio and some other hosts and investigation on the possibility of in vitro sexual reproduction

Reza Heidarian; Khalil-Berdi Fotouhifar; Amir-Hossein Mohammadi; Mohammad Javan Nik Khah

Volume 48, Issue 2 , February 2018, , Pages 295-305


  Pistachio die-back disease is an important disease in Iranian pistachio orchards. One of the most important fungal agents of the disease is Paecilomyces which has been recently identified as P. formosus based on phylogenetic and physiologic studies. In this study, four pairs of primers designed using ...  Read More

Investigation of biological species concept in some Armillaria species in Iran

Saeideh Jafarpour; Khalil-Berdi Fotouhifar; Mohammad Javan-Nik Khah; Mohhamad Reza Asef

Volume 47, Issue 2 , December 2016, , Pages 241-252


  During September to November 2010-2012, 17 fruiting body specimens of Armillaria were collected from diverse forest sites in Guilan, Mazandaran and Golestan Provinces (Iran) and 24 basidiocarp derived isolates were obtained. Mating tests were performed using 10 Iranian representative isolates and 12 ...  Read More

Genetic structure of Colletotrichum gloeosporioides s.l. populations, the causal agent of citrus anthracnose in North of Iran

Hossein Taheri; Mohammad Javan Nikkhah; Seyed Ali Elahinia; Seyed Akbar Khodaparast; Morteza Golmohammadi

Volume 47, Issue 1 , November 2016, , Pages 115-127


  Citrus dieback and postbloom fruit drop caused by Colletotrichum gloeosporioides are common diseases of citrus trees in North of Iran. According to increasing of disease damage in recent years, which can be due to the genetical alteration of pathogen, genetic structure of the fungus population in North ...  Read More

Mycelial compatibility of Valsa sordida isolates in Iran

Sudabeh Bozorgmanesh; Khalil-Berdi Fotouhifar; Mohammad Javan Nik Khah

Volume 46, Issue 2 , October 2015, , Pages 339-350


  In order to study of mycelial compatibility of Valsa sordida isolates on two culture media including potato dextrose agar and oat meal agar, 91 isolates that were collected from different provinces in 2004 and 2011 were used. In the prepared test, each isolate was paired with itself and with any of the ...  Read More

Phylogenetic structure of T. harzianum s. l. from some climates of Iran

Bahar Karimian; Mohammad Javan Nikkhah; Doostmorad Zafari; Khalil Fotoohifar; Shahram Naiemi

Volume 45, Issue 1 , May 2014, , Pages 59-69


  Strains of Trichoderma harzianum s. l. have a great importance because of affecting mankind by being used as biological control agents against plant pathogens. In the present study, we planned to characterize the phylogenetic structure of T. harzianum recovered from different geographical origins and ...  Read More

Study of the Population Genetic Structure and Telemorph Production of Pyrenophora tritici-repentis (the Causal Agent of Wheat Tan Spot) in North of Iran

Hasan Momeni; Mohammad Javan-Nikkhah; Mohammad Razavi; Mohammad Reza Naghavi

Volume 44, Issue 1 , April 2013, , Pages 27-39


  Tan spot disease of wheat with the causal agent of Pyrenophora tritici-repentis is a very serious  disease throughout the world causing severe yield losses. Out of 163 isolates of the pathogen, collected from Golestan and Mazandaran provinces, 58 were selected for a study of population genetic structure. ...  Read More

Study on the Genetic Diversity of Ascochyta rabiei Isolates, Cause of Chikpea Blight Disease in Lorestan Province Using SSR Marker

Mansoureh Rahimi; Seyed Kazem Sabbagh; Mohammad Javan Nikkhah; Hasan Soltanloo; Mohammad Salari; Naser Panjehkeh

Volume 44, Issue 2 , March 2013, , Pages 273-282


  Ascochyta blight caused by Ascochyta rabiei is one of the most destructive diseasesaffecting chickpea (Cicer arietinum). To study the genetic diversity of the fungus, fifty threeisolates were rendomly collected from chikpea fields in eight different regions of LorestanProvince namely Azna, Aleshtar, ...  Read More

A Study on the Genetic Diversity and Sexual Fertility Status of Magnaporthe grisea Isolates Obtained from Different Weeds of Poaceae and Rice

minoo bargnil; mohammad javan nikkhah; seyed mahmood okhovat; keyvan ghazanfari

Volume 43, Issue 1 , June 2012, , Pages 47-61


  A determination of the genetic variation of the fungus isolated from graminous weeds which is highly beneficial to know probable genetic recombination in the fungus populations was done for the first time in Iran through PCR reaction. The isolates of fungus “Magnaporthe grisea” from graminous weed ...  Read More

Mode of Action of Bacillus subtilis on Aflatoxin Control of Aspergillus flavus

Mohsen Farzaneh; Masoud Ahmadzadeh; Alireza Ghasempour; Mansoureh Mir-Abolfathi; Mohammad Javan Nikkhah; Abbas Sharifi-Tehrani

Volume 42, Issue 2 , September 2011, , Pages 191-198


  Aflatoxin is one of the most hazardous mycotoxins injurious to both humans and animals. Aflatoxin contamination of crops is a serious economic loss inflicted upon agriculture, food and animal industry throughout the entire world. In nature, there are microorganisms able to alleviate aflatoxin contamination ...  Read More

Study on Population Structure of Pyricularia grisea Isolated from Rice, Based on rep-PCR DNA Fingerprinting and Identification of VCGs

Parastou Motalebi; Mohammad Javan-Nikkhah; Seyed Mahmoud Okhovat; Khalil Berdi Fotouhifar

Volume 42, Issue 2 , September 2011, , Pages 227-239


  Thirty five monoconidial isolates of the fungal culture collection Pyricularia grisea were examined, to identify the vegetative compatibility groups and characterize the genetic diversity of isolates as through rep-PCR genomic fingerprinting. The isolates were collected from ricefields during 1997-1999. ...  Read More

A Study on Specificity and Host Range of Wilsonomyces carpophilus, the Causal Agent of Shot Hole Disease of Stone Fruit Trees and Evaluation of Relative Resistance of some Peach Cultivars

Abd-allah Ahmadpour; Youbert Ghosta; Mohammad Javan-Nikkhah; Mohammadreza Fattahi; Keyvan Ghazanfari

Volume 42, Issue 2 , September 2011, , Pages 251-259


  To determine the specificity and host range of Wilsonomyces carpophilus isolates, some stone fruit seedlings (Prunus armeniaca, Prunus dulcis, Prunus reuteri, P. vulgaris, P. domestica, P. persica, P. avium and P. cerasus), pome fruits (Malus communis, Pyrus communis, Crataegus azarollus and Crataegus ...  Read More

Mating Populations of Gibberella fujikuroi Species Complex,the Causal Agent of Rice Foot Rot in Guilan Province, and Determination of their Vegetative Compatibility Groups

Fariborz Lotfi miri; Mohammad Javan Nikkhah; Hamdireza Zamanizadeh; Fereydoun Padasht Dehkaei

Volume 42, Issue 1 , June 2011, , Pages 61-74

  To study the population structure of Gibberella fujikuroi species complex, the causal agent of rice foot rot, samples were taken from different rice growing regions of Guilan province in 2004. Among fourty-one isolates recovered from different cultivars; three isolates did not produce microconidial chain. ...  Read More

An Investigation of the Pathogenicity Characteristics of Magnaporthe grisea Isolates Collected from Different Host Plants from the Family Poaceae and on Race Determination of the Pathogenic Isolates

Vahid Zarrinnia; Mohammad Javan Nikkhah; Hamdireza Zamanizadeh; Rahim Mehrabi; Vahid Khosravi

Volume 42, Issue 1 , June 2011, , Pages 179-190

  Thrity seven isolates of Magnaporthe grisea collected from several host plants from family of Poaceae namely Digitaria singuinalis, Setaria italica, and Echinochloa sp.were tested for their pathogenecity against two susceptible rice cultivars. Conidial suspensions were prepared by the surfaces of 14-day-old ...  Read More

Identification of Pathotypes in Populations of Didymella rabiei, the Causal Agent of Chickpea Blight in Ilam and Kermanshah Provinces

Khoshnoud Noorolahi; Mohammad Javan Nikkhah; Mohammadreza Naghavi; Seyed Mahmoud Okhovat

Volume 41, Issue 2 , March 2011, , Pages 187-193

  Pathogenic diversity in Didymella rabiei in Ilam and Kermanshah provinces was assessed with the objective of finding out about the existence of pathotypes. One hundred isolates from different farms of chickpea growing regions in these provinces were collected in 2007. Isolates were arranged into ten ...  Read More

A Study on Sexual Fertility and a Determination of Vegetative Compatibility Groups among Glomerella cingulata Isolates from Citrus Trees in Mazandaran Province, Iran

Mona Khansari Atigh; Mohamad JavanNikkhah; Akbar Khodaparast; Mariyeh Babri; Keyvan Ghazanfari

Volume 41, Issue 1 , September 2010

  Glomerella cingulata is the causal agent of anthracnose disease on citrus that attacks weakened trees. The sexual stage is rare in nature but can be produced in laboratory under certain conditions. Sixty-seven single-spore isolates were selected from citrus in Mazandaran province to be used in this study. ...  Read More

Study on Fertility Status and Determination of Frequency of Mating Type Alleles in A and D Mating Populations of Gibberella fujikuroi from Rice and Corn Based on PCR

Elham Mohamadian; Mohamad JavanNikkhah; Seyed Mahmoud Okhovat; Keyvan Ghazanfari

Volume 41, Issue 1 , September 2010

  Fertility status and distribution of mating type alleles of Gibberella moniliformis and G. intermedia, both the causal agents of the foot rot and bakanae of rice, as well as stalk and root rot of corn were studied using specific primers. One hundred and twenty eight single-spore isolates were collected ...  Read More

Comparing Virulence of Colletotrichum gloeosporioides Isolates the Causal Agent of Citrus Anthracnose in Mazandaran Province, Iran

Mariyeh Babari; Mohammad JavanNikkhah; Hosein Taheri; Yaghub Aliyan

Volume 40, Issue 2 , February 2010

  In recent years, anthracnose disease of citrus has caused and contiunes to cause heavy losses to some citrus commercial tree varieties in Mazandaran Province. This disease is deeply spread out in the citrus orchards of the province. In order to isolate and identify the causal agent or agents of the disease, ...  Read More

Frequency and Distribution of Trichoderma spp. in the Rice (Paddy) Fields of Mazandaran Province, Iran

Shahram Naeimi; Mahmoud Okhovat; Mohammad JavanNikkhah; Laslou Kredics; Vahid Khosravi

Volume 40, Issue 2 , February 2010

  Samples were collected from soil and as well from phyllosphere of rice plant and subjected to dilution plate technique on RBSF Trichoderma selective medium. A total of 202 Trichoderma isolates were obtained from rice fields at different geographical locations distributed all over Mazandaran Province. ...  Read More