Applied Entomology and Phytopathology

Interference of lambsquarters (Chenopodium album) with grain corn, cultivar 604

B. MIRSHEKARI

Volume 80, No. 1 , September 2012, Pages 1-12

https://doi.org/10.22092/jaep.2012.100885

Abstract

An experiment was carried out to evaluate the competitive effects of lambsquarters (Chenopodium album L.) on corn (Zea mays L.) grain yield, in Tabriz in 2008. Factorial experiment ... Read More

Determination of damage of root knot nematode (Meloidogyne incognita) on some of tobacco commercial cultivars in pot condition

S. A. SAJJADI; A. HOSSEININEJAD; H. ASSEMI

Volume 80, No. 1 , September 2012, Pages 13-22

https://doi.org/10.22092/jaep.2012.100886

Abstract

Root knot nematodes (Meloidogyne spp.) are one of the important parasitic nematodes of tobacco in almost all tobacco-growing areas. Determination of damage of Meloidogyne incognita ... Read More

Effects of plant products of clove (Eugenia caryophyllata) for controlling root-knot nematode, Meloidogyne javanica

Z. SADEGHI; E. MAHDIKHANI MOGHADAM

Volume 80, No. 1 , September 2012, Pages 23-32

https://doi.org/10.22092/jaep.2012.100887

Abstract

Root-knot nematodes (Meloidogyne spp.) cause major economic damage affecting the quantity and quality of the crop production. In recent years, using of medicinal plants has been considered ... Read More

Study on the interaction of Heterodera glycines and the symbiotic bacterium, Bradyrhizobium japonicum on susceptible and resistant soybean cultivars

SH. GHAFARI; Z. TANHAMAAFI; R. HEYDARI; A. ESKANDARI

Volume 80, No. 1 , September 2012, Pages 33-40

https://doi.org/10.22092/jaep.2012.100888

Abstract

The interaction of the soybean cyst nematode, Heterodera glycines Hg Type 0 and Bradyrhizobium japonicum were studied on two resistant and susceptible soybean cultivars, DPX and JK ... Read More

Effect of different corn hybrids on population growth parameters of cotton bollworm, Helicoverpa armigera (Lep.: Noctuidae)

A. ARGHAND; B. NASERI; J. RAZMJOU; M. HASSANPOUR

Volume 80, No. 1 , September 2012, Pages 41-50

https://doi.org/10.22092/jaep.2012.100889

Abstract

The cotton bollworm, Helicoverpa armigera is a serious pest of different agricultural crops in Iran and other parts of the world. The effect of different corn hybrids including SC700, ... Read More

Bioassay of wettable powder formulation of Lecanicillium muscarium blastospore on Aphis gossypii

M. J. FARSI; H. ASKARY; TALEBI JAHROMI KH.; A. KHARRAZI PAKDEL

Volume 80, No. 1 , September 2012, Pages 51-60

https://doi.org/10.22092/jaep.2012.100890

Abstract

Wettable powder formulation of L. muscarium blastospore was evaluated on second nymphal instars of A. gossypii (Glover)in six experiments. Treatments consisted of fresh blastospores ... Read More

Contribution to the identification of the genus Passalora in Iran

M. PIRNIA; R. ZARE; H. R. ZAMANIZADEH; A. KHODAPARAST; A.R. JAVADI ESTAHBANATI

Volume 80, No. 1 , September 2012, Pages 61-69

https://doi.org/10.22092/jaep.2012.100891

Abstract

In order to identify Passalora species, nine samples with leaf spot symptoms from different localities in Ardebil, East Azarbaijan and Northern provinces of Iran were obtained and examined ... Read More

Investigating challenges and bottlenecks of biological control development in rice stem borer management from socio-economic point of view

M. HASANIMOGHADDAM; H. ASADPOOR; E. SAMANDAROF

Volume 80, No. 1 , September 2012, Pages 69-80

https://doi.org/10.22092/jaep.2012.100892

Abstract

This survey-based research was conducted to assess the challenges and bottlenecks of biological control development against rice striped stem borer, as a key pest of rice, in Mazandaran ... Read More

Effect of five essential oils on zearalenon production and growth of Fusarium graminearum

S. HOSEINIYEH FARAAHANI; M. MIRABOLFATHY; Y. REZAIE DANESH; R. KARAMI OSBOO

Volume 80, No. 1 , September 2012, Pages 81-94

https://doi.org/10.22092/jaep.2012.100893

Abstract

Zearalenone is an estrogenic mycotoxin that causes vulvovaginitis and estrogenic responses and cancer which produces by Fusarium species specially Fusarium graminearum Schwabe. The ... Read More Zearalenone is an estrogenic mycotoxin that causes vulvovaginitis and estrogenic responses and cancer which produces by Fusarium species specially Fusarium graminearum Schwabe. The antifungal effects of Thymus vulgaris, Satureja hortensis, Anethum grareolens, Mentha sativa and Capsicum annum essential oils were studied on the growth of Fusarium graminearum and zearalenone production. The essential oils were added to PDA medium at the concentrations of 25 to 250 with interval 25 µl/100 ml and at the concentrations of 10 to 80 with interval 10 and 100 to 200 with interval 25 µl/100 ml to PDB medium and one treatment as the control including Fusarium graminearum isolate without essential oil. The radial growth rate of the Fusarium graminearum isolate of each PDA medium treatment and the dried weight of its mycellial mass in each PDB medium were measured after incubation for seven days at 25˚C. Zearalenone production of Fusarium graminearum isolate treated with Thymus vulgaris, Satureja hortensis, Anethum grareolens, Mentha sativa and Capsicum annum essential oils at the concentrations of 80,150,200,200 and 5000µl/100 ml PDB medium including the control treatment growing Fusarium graminearum without any essential oil were evaluated using HPLC. The experiments were done two times in three replicates. The most inhibitory effects of essential oils on the mycellial mass weights in PDB media were obtained at the concentrations 80, 150, 200, 200µl/100 ml of Thymus vulgaris, Satureja hortensis, Anethum grareolens and Mentha sativa treatments respectively which caused absolute mycelial growth inhibition of Fusarium graminearum in compare with the dried weight of mycelia mass of the control treatment (0.4g). Thymus vulgaris, Satureja hortensis, Anethum grareolens, Mentha sativa and Capsicum annum at the concentrations of 80, 150, 200 and 200µl/100 ml reduced zearalenone production 88%,87%,91%,89% and 93% respectively.

Introducing of Asterosporium asterospermum (Coelomycetes) as a new member for Iranian mycobiota (short report)

J. Boujari; M. Abbasi; F. Adel

Volume 80, No. 1 , September 2012, Pages 95-96

https://doi.org/10.22092/jaep.2012.100894

Abstract

In the framework of study on beech forests mycobiota in north of Iran during 2010- 2011, specimens of Fagus sylvatica twigs infected by a coelomycetes fungus were collected. During ... Read More

Association of Plum Pox Virus Strain M with Plum Fruit Dropping in Mazandaran Province (short report)

E. Mohammadi; F. Goharzad; A. Zaghi

Volume 80, No. 1 , September 2012, Pages 97-98

https://doi.org/10.22092/jaep.2012.100895

Abstract

Sharka (plum pox disease) is caused by Plum pox virus (PPV) a member of the genus Potyvirus (1). It is considered one of the most devastating diseases of stone fruits in terms of economic ... Read More Sharka (plum pox disease) is caused by Plum pox virus (PPV) a member of the genus Potyvirus (1). It is considered one of the most devastating diseases of stone fruits in terms of economic importance. The disease causes reduced quality and premature dropping of fruit and is one of the limiting factor of apricot, peach, plum and certain other stone fruit production in Iran. The disease has progressively spread to a large part of the European continent, Mediterranean basin and some of Middle East countries. Severe fruit dropping was recently observed in some plum orchards of Mazandaran province. In order to investigate possible involvement of PPV, 75 leaf and shoot samples collected during the late summer and autumn of 2010. Sampling was based on typical PPV symptoms. Virus infection was confirmed by serological and molecular testing. Serological diagnosis was made by DAS-ELISA using a commercial PPV polyclonal antiserum (Bioreba, Switzerland). Molecular detection was made by trapping virus particle with the above polyclonal antiserum and IC-RT-PCR was performed by using the general pair of primers P1/P2. Total RNA were extracted from dormant buds and barks (2) using RNeasy Plant Mini Kit (Qiagen, Germany) according to the manufacturer’s instructions. The results showed that 48 out of 75 plum samples were found to be infected with PPV. One-step RT-PCR (Qiagene One-Step RT-PCR Kit) was performed using the general primer pair (P1/P2). The P1/P2 primers revealed and confirmed the presence of the virus by amplifying the expected 243 bp fragment located at the C-terminus of PPV CP gene (3). The results of RT-PCR analysis were in complete agreement with the DAS-ELISA and IC-RT-PCR results. Since, the severity of symptoms depends largely on plant species and virus strain, the type of strain determined by RT-PCR targeting (Cter) CP, using P1/PD and P1/PM pair of primers that distinguish two major and PPV-D strains PPV-M, respectively; The RT-PCR analyses confirmed that all 48 samples were infected with PPV-M type and no samples were positive for PPV-D. Subsequently, molecular strain typing was confirmed by Restriction Fragment Length Polymerase (RFLP) of 243 bp amplicon using RsaI and AluI restriction endonucleases digestion (4). In this study, the pattern after enzyme digestion showed all of PCR products contained the AluI site.

Record of Arthrolytus glandium (Bouček) (Hym.: Pteromalidae) from Iran (short report)

S. Bahri-Motlagh; H. Lotfalizadeh; A. Mehrvar

Volume 80, No. 1 , September 2012, Pages 99-100

https://doi.org/10.22092/jaep.2012.100896

Abstract

Pteromalidae family with more than 3500 described species and 390 genera is one of the large parasitic wasps in the order Hymenoptera and superfamily Chalcidoidea (1). Also this family ... Read More

New record of Anogmus laricis (Bouček) (Hym.: Pteromalidae) from Iran (short report)

S. Bahri-Motlagh; H. Lotfalizadeh; A. Mehrvar

Volume 80, No. 1 , September 2012, Pages 101-102

https://doi.org/10.22092/jaep.2012.100897

Abstract

In the study Pteromalidae (Hym.: Chalcidoidea) fauna in alfalfa fields of Maragheh, East-Azarbaijan province one species of the family Pteromalidae was collected. The samples were collected ... Read More

Carbohydrase activities in the larval digestive system of the cigarette beetle, Lasioderma serricorne (Col.: Anobiidae) (Article in English)

S. M. SAJJADIAN; V. HOSSEININAVEH; M. VATANPARAST

Volume 80, No. 1 , September 2012, Pages 1-8

https://doi.org/10.22092/jaep.2012.100898

Abstract

The cigarette beetle, Lasioderma serricorne, is a serious infesting pest of warehouses and retail stores thorough the world. Partial biochemical characterization of carbohydrases was ... Read More

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Volume & Issue: Volume 80, No. 1, September 2012, Pages 1-102

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