Yesim Aysan

Cukurova University | CU · Department of Plant Protection

The seed-borne bacterial disease black rot is caused by Xanthomonas campestris pv. campestris (Xcc) is one of the economically important diseases of cruciferous plants worldwide. Seed treatments are commonly referred to as control seed-borne diseases. This study objected to identifying black rot disease based on biochemical and MALDI-TOF MS and man...

Xanthomonas perforans (X. perforans)-the dominant causal agent of bacterial leaf spot of tomato-is an emerging pathogen of pepper, indicative of a potential host expansion across the Southeastern United States. However, studies of the genetic diversity and evolution of X. perforans from pepper remain limited. In this study, the whole genome sequenc...

Bacterial spot is an economically significant disease in tomato and pepper-producing countries globally. We report the whole-genome sequence of 11 Xanthomonas strains associated with bacterial spot disease on pepper, tomato and eggplant in the Southeastern Anatolia Region, Turkey. This genomic information can be used as a reference to study the gen...

Bacterial spot is an economically significant disease in tomato and pepper-producing countries globally. We report the whole genome sequence of 11 Xanthomonas strains associated with bacterial spot disease on pepper, tomato, and eggplant in the Southeastern Anatolia Region, Turkey. This genomic information can be used as a reference to study the ge...

Bacterial spot is an economically significant disease in tomato and pepper-producing countries globally. We report the whole genome sequence of 11 Xanthomonas strains associated with bacterial spot disease on pepper, tomato, and eggplant in the Southeastern Anatolia Region, Turkey. This genomic information can be used as a reference to study the ge...

Xanthomonas euvesicatoriaya’nın neden olduğu Bakteriyel Leke Hastalığı biberde önemli verim kayıplarına neden olmaktadır. Bu çalışmada biber tohumlarına uygulanan yerel antagonist bakteriyel izolatların hastalığın biyolojik mücadelesinde kullanılma potansiyeli araştırılmıştır. Yedi farklı ilden yapılan izolasyonlarda 488 aday antagonist bakteri izo...

Aims: It is aimed to identify the bacterial pathogen that causes water soaking, browning, softening, rotting, unpleasant odour and collapses on stalks of maize plants growing in Adana and Osmaniye provinces in 2021 and 2022.Methods and Results: Plants showing bacterial stalk rot disease symptoms were collected from maize fields in Adana and Osmaniy...

Fire blight is a devastating bacterial disease of apple and pear trees in Turkey. In this study, biological control of fire blight disease caused by Erwinia amylovora was investigated by using 564 putative antagonistic bacterial and yeast isolates obtained from apple, pear and quince blossoms. Among 564 isolates obtained, 7 yeast and 92 bacterial i...

Pseudomonas syringae pv. tomato’ nun neden olduğu Bakteriyel Benek Hastalığı domateste verim kayıplarına neden olan önemli bir bakteriyel hastalıktır. Bu hastalık son yıllarda domates yetiştirilen tarla ve seralarda hatta ticari fideliklerde sorun oluşturmaktadır. Hastalığın mücadelesinde tohum uygulamaları önemli bir hastalık mücadele stratejisidi...

Pseudomonas syringae pv. syringae, that can cause disease in citrus and stone fruit production areas, is a destructive plant pathogenic bacterial disease agent worldwide. While the pathogen causes citrus blast disease on citrus cultivars, it is known as bacterial cancer disease on stone fruits. Control of the disease is limited due to the lack of r...

Amaç: Domateste mikorizal fungusların, vermikompost gübrelemesinin ve potasyum beslemesinin tekli, ikili ve üçlü kombinasyonlarının Pseudomonas cichorii’nin neden olduğu Öz nekrozu Hastalığı’na etkisi ve mücadelesinde kullanım olanakları saksı denemeleriyle cam serada araştırılmıştır. Yöntem ve Bulgular: Vermikompost uygulaması üretici firmanın öne...

Amaç: Pseudomonas syringae pv. tomato’nun neden olduğu domates bakteriyel benek hastalığı fidelik, tarla ve sera koşullarında yetiştirilen bitkilerde önemli verim kayıplarına sebep olur. Bitki besleme ve hastalık ilişkisini içeren bu araştırmanın amacı, vermikompost gübrelemesinin domateste benek hastalığını baskılama düzeyini belirlemektir. Ayrıca...

Tomato (Solanum lycopersicum L.), is one of the widely grown vegetable crop throught the world. The bacterium, Pseudomonas syringae pv. tomato (Pst), causes bacterial speck disease on tomatoes. Several control strategies are performed for disease management. As a strategy, bacteriophages, are natural enemies of bacteria and extremely specific to th...

Pseudomonas is a highly diverse genus that includes species that cause disease in both plants and animals. Recently, pathogenic pseudomonads from the Pseudomonas syringae and Pseudomonas fluorescens species complexes have caused significant outbreaks in several agronomically important crops in Turkey, including tomato, citrus, artichoke and melon....

Citation: Boyaci H.F., Kabas A., Aysan Y., Prohens J. (2021): Screening of eggplant genotypes for resistance to bacterial wilt disease caused by Clavibacter michiganensis subsp. michiganensis. Plant Protect. Sci., 57: 112-121. Abstract: Clavibacter michiganensis subsp. michiganensis (Cmm) is one of the phytopathogenic bacteria causing bacterial wil...

Bu çalışmada, 2008-2011 yılları boyunca 4 farklı ilde 10 farklı konukçu bitkiden tipik ur belirtisi gösteren enfekteli bitki örnekleri toplanmıştır. Toplanan enfekteli bitki dokularından toplam 174 bakteri izolatı elde edilmiştir. Elde edilen izolatların patojenisite testlemeleri havuç (Daucus carota L.) dilimi, kalonşe (Kalanchoe daigremontiana),...

Bezelyede bakteriyel yaprak yanıklığı hastalığına neden olan Pseudomonas syringae pv. pisi adlı patojen tohumla taşınır ve Dünya genelinde bezelye üretimi yapılan alanlarda önemli bir sorundur. Hastalığın ilk belirtileri kotiledon yapraklarda su emmiş lekeler şeklinde başlar ve ilerleyen aşamada nekrotik lekelere dönüşür. Bu çalışmada, Pseudomonas...

Tohum kökenli Clavibacter michiganensis subsp. michiganensis (Cmm) adlı bakteri, domateste bakteriyel kanser ve solgunluk hastalığına neden olur. Bu hastalık hem seralarda hem de tarlada yetiştirilen domateslerde tüm dünyada ciddi kayıplar oluşturmaktadır. Hastalığa karşı etkin bir mücadele yöntemi bulunmamaktadır. Bu çalışmanın amaçlarından biri ü...

Bu çalışma, üreticiler tarafından Tokat ilinde kullanılan, hastalık belirtisi göstermeyen domates fidelerinde Domates bakteriyel kanser ve solgunluk hastalığı etmeni Clavibacter michiganensis subsp. michiganensis (Cmm)’in varlığının belirlenmesi amacıyla yapılmıştır. Tokat Merkez, Turhal, Pazar, Niksar ve Erbaa ilçelerinden 2013 yılında 104, 2015 y...

Pseudomonas syringae pv. tomato (Pst)’nun neden olduğu Bakteriyel Benek Hastalığı domatesin en önemli tohum kaynaklı bakteriyel hastalığıdır. Bu çalışmada, yirmi dokuz bitki ekstraktının antibakteriyel etkileri in vitro ve in vivo’da araştırılmıştır. In vitro’da, Allium sativum 3 mm, Coriandrum sativum 13 mm, Eucalyptus camaldulensis 13.6 mm Pst’ye...

Domates (Solanum lycopersicum L.) dünyada en fazla üretimi yapılan sebzedir. Doğu Akdeniz Bölgesinde seralarda yetiştirilen domateslerde Pectobacterium carotovorum’un neden olduğu Gövde Çürüklüğü Hastalığı önemli bir bakteriyel hastalıktır. Bu çalışmada, farklı bitki besleme programlarının (1: Makro Besin Elementleri, 2: Makro Besin Elementleri + M...

Pseudomonas syringae pv. pisi bezelyede bakteriyel yanıklık hastalığına neden olan patojen bir bakteridir. Hastalık, bezelye yetiştirilen pek çok ülkede görülen ve serin, yağışlı ve don olaylarının olduğu yerlerde duyarlı çeşitlerde yıkıcı zararlara neden olabilmektedir. Hastalıkla mücadelede dayanıklı çeşit seçimi ve sağlıklı tohum kullanımı ilk a...

Clavibacter michiganensis subsp. michiganen-sis (Smith) Davis et al (Cmm) is an important bacterial agent for tomatoes causing destructive disease. The best way to control of this disease is to use resistant cultivars. Unfortunately there has not been developed a resistant variety against the Cmm because the heritability of resistance is quite comp...

Erwinia amylovora’nın neden olduğu ateş yanıklığı hastalığı Rosaceae familyasına ait 39 farklı cins ve 128 türe ait bitkide hastalık oluşturmaktadır. Bu hastalıkla mücadelede farklı yöntemler kombine halde kullanılarak entegre hastalık yönetimi tercih edilir. Son yıllarda hastalığın mücadelesinde alternatif yöntemlerin araştırılması üzerine çalış...

Rhizobium radiobacter formerly known as Agrobacterium tumefaciens, is the most important bacterial pathogen causing crown gall disease on over 750 different plant species including ornamentals, vegetables and fruit trees. This pathogen causes crown galls on root and stems of plants and rarely on, above-soil parts of plants. Biological control is su...

Eggplant is an essential grown plant in the greenhouses and open fields in Turkey. Two important cities in Turkey, Mersin and Diyarbakir, have an important place regarding eggplant production area. In recent years, different bacterial pathogens have been observed on the eggplants. For this reason, bacterial wilt and leaf blight were addressed in th...

Acidovorax citrulli’nin neden olduğu bakteriyel fide yanıklığı ve meyve lekesi hastalığı tüm dünyada karpuz üretimini tehdit eden önemli bir hastalıktır. Bu çalışmada, hastalığın biyolojik mücadelesinde daha önce in vitro petri denemeleri ve tohum uygulamaları ile başarılı bulunan bakteriyel antagonistlerin cam serada ve tarla koşullarında yeşil ak...

Trees, shrubs, foliage and flowering ornamental plants have played a fundamental role in natural and manmade landscapes and gardens in the world. Numerous pest arthropods (Insecta and Acari) and diseases (caused by fungi, oomycetes, bacteria and viruses) may affect landscape plants and cause problems. The foliar, vascular and/or root system of land...

Bacterial speck, caused by �� ��������� ��� ��� pv. ��� � (Pst), is an economically important disease of tomato, that causes yield loss of marketable fruit. Management of bacterial speck is a challenge in commercial nurseries, fields or greenhouses. This is due to the limited efficacy of current disease management strategies, since the pathogen acq...

Putative strains belonging to Xanthomonas spp. causing leaf spot and blight diseases on geranium (Pelargonium peltatum and P. hortorum), begonia (Begonia × tuberhybrida), anthurium (Anthurium andraeanum), Chinese hibiscus (Hibiscus rosa-sinensis), and English ivy (Hedera helix) growing in Turkey were isolated. All bacterial strains were classified...

This study was conducted to determine survival of Clavibacter michiganensis subsp. michiganensis (Cmm) in infested seed, soil, plant residue. Infected seeds rates were determined by plating seeds, which were infected with rifampicin-resistant Cmm isolate, on medium at monthly intervals. Also, seeds were planted and disease observations were made in...

Watermelon seedling blight and fruit blotch caused by Acidovorax citrulli (Ac) is a seed-borne bacterial disease. The bacterium survives in/on seeds for years. The aim of this study was to determine the most favourable, reliable and fast method for detection Ac from cucurbit seeds. Cucurbit seeds were homogenised using a blender and left in orbital...

The biological control of the watermelon seedling blight and fruit blotch disease was investigated by screening the potential use of antagonistic bacteria. Between May and August 2012, totally 322 putative antagonistic bacteria were isolated from symptomless melon and watermelon plants grown in Adana, Hatay, and Osmaniye provinces of the Eastern Me...

The pathogenic gram-positive bacterium Clavibacter michiganensis subsp. michiganensis (Smith) Davis et al. is the most harmful bacterium to tomatoes in many countries with a cooler climate. Multilocus sequence analysis was performed on five housekeeping genes (bipA, gyrB, kdpA, ligA, and sdhA) and three virulence-related genes (ppaA, chpC, andtomA)...

Fire blight caused by pathogenic bacterium Erwinia amylovora, is the serious disease of pear. Since there is no effective chemical management to this disease except antibiotic-type compounds, it is very important to improve new fire blight resistant cultivars. In this research, it was aimed to select and develop fire blight resistant pear types and...

In recent years, stone fruit plantations have been widely increased in the eastern Mediterranean Region of Turkey. In 2012, bacterial canker caused by Pseudomonas syringae pv. syringae were first observed in the region. In 2014 among February to May, stone fruit orchards in Adana, Mersin and Hatay provinces were surveyed in order to determine the d...

In the framework of the ORPRAMed project the main goals of the project have been presented at the Scientific Society Conferences of the partecipants as a part of the dissemination goal

Numerous researches were conducted to detect and identify the causal phytoplasma associated with diseased nectarine (Prunus persica variety nectarine) plants during surveys in two province of Turkey in August 2013-2014. Nectarine leaves samples showing reddish and purplish discoloration leaves symptoms were gathered from Mersin and Adana provinces....

Bacterial canker is one of the most important diseases causing economic yield loss in tomato production areas in the world. The best way to control for this disease is to use resistant varieties. However, there are few studies on variety breeding studies of this disease compared with other disease resistant breeding studies. In this study we aimed...

During February and August of 2010 and 2011, disease symptoms were detected in melon (Cucumis melo cv. Surmeli) fields and commercial nurseries in Adana and Mersin provinces (Eastern Mediterranean Region, Turkey). Lesions on leaves and fruits were observed in nearly 75 and 85 acres production areas of melon in 2010 and 2011, respectively. Initial s...

The aim of the study was to determine fire blight disease, caused by Erwinia amylovora, reactions. Five different loquat cultivars ('Akko XIII', 'Gold Nugget', 'Sayda', 'Hafif Cukurgobek' and 'Champagne de Grasse') and 14 Erwinia amylovora strains, isolated from different cities of Turkey, were used in the study. Shoot and leaves infections were ev...

Ateş Yanıklığı hastalığına dayanıklı armut tiplerinin belirlenmesini amaçlayan bu çalışmada, melez armut bireylerin Ateş Yanıklığı hastalığı etmeni Erwinia amylovora’ya karşı duyarlılık durumu suni inokulasyonla ortaya konmuştur. Bireylerin testlemesinde, 75 farklı E. amylovora izolatı içinden, elma ve armut sürgünlerinde yapılan patojenite testler...

Fire blight, caused by pathogenic bacterium Erwinia amylovora, is a serious disease of pear, with few effective disease management strategies. Therefore, it is very important to strive towards the selection of new resistant cultivars to fire blight. With this purpose, different crosses have been made between resistant cultivar ‘Magness’ and other r...

Several strains of Pseudomonas savastanoi pv. savastanoi, causal agent of galls or knots on leaves, twigs, and stems of various plant species, were isolated from infected olive (Olea sp.), oleander (Nerium oleander), jasmine (Jasminium officinale), fontanesia (Fontanesia phillyreoides) and myrtle (Myrtus communis) plants growing in Adana, Antalya,...

Stem and pith necrosis symptoms on tomato, varnish spot symptoms on lettuce and leaf spot symptoms on dwarf umbrella trees were observed in late winter and spring of 2002 and 2008 in the Eastern Mediterranean region of Turkey. Fluorescent bacteria were isolated from typical diseased plants on King's medium B as nearly pure cultures. All of the bact...

There is no available data published related to the dissemination of bacterial canker caused by Clavibacter michiganensis subsp. michiganensis (Cmm) and its genetic diversity in Turkey. It is important to control new introduced inoculum sources by commercial seeds and seedlings. Pathogens were identified by morphological features and the identitywa...

Olive growing areas in Tekirdaǧ, Çanakkale, Bali{dotless}kesir, Bursa, and Yalova cities of Marmara region were visited and prevalence and incidence of olive knot disease were noted. Disease prevalence was recorded as 100, 81, 66, 4 and 0% in Çanakkale, Bali{dotless}kesir, Tekirdaǧ, Bursa and Yalova, respectively. Disease incidence was 73, 56, 30 a...

Xanthan gum were produced from the following Xanthomonas strains; standard strain Xanthomonas campestris NRRL B-1459 and isolated strains Xanthomonas arbicola pv. juglandis, Xanthomonas axonopodis pv. vesicatoria, Xanthomonas axonopodis pv. begonia, Xanthomonas axonopodis pv. dieffenbachia. The viscosity features of the xanthan gums obtained were d...

In late winter and spring of 2006 and 2008, leaf spots with yellow halos were observed on dwarf schefflera (Schefflera arboricola cvs. Gold Capella, Trinette, and Green Gold) that were grown as potted plants in two commercial ornamental greenhouses in Adana and Mersin, Turkey. Average disease incidence was assessed as 10% during the term of the stu...

Bacterial spot, caused by Xanthomonas axonopodis pv. vesicatoria, is one of the most important diseases of pepper in Turkey, where the disease has been epidemic in the last six years in the eastern Mediterranean region. The incidence and importance of natural infection in pepper seeds produced in the region was investigated in the present study. A...

In the present study sodium hypocloride (at 1%), HCl in 0.6 M concentration, 8 hydroxyqunoline (at 0.5-1%), cooper acetate (at 0.2%), streptomycine (at 50 and 100 ppm) and bronopol besides this hot water treatments (at 50 and 55°C) were tested for their capacity in elimination the inoculum of the seedborne pathogen Pseudomonas viridiflava from toma...

Pith necrosis disease of tomato caused by Pseudomonas species has been first time observed in Turkey since early 1990s. Since then it has spread out and caused severe damage on greenhouse grown-tomato in Mediterranean and Aegean regions of Turkey. Several surveys were conducted to determine the distribution of the disease and the identity of the ba...

During warm and humid periods in the winters of 2004 to 2006, severe leaf necrosis and vein rot symptoms were observed on cabbage (Brassica oleracea var. capitata L.), broccoli (Brassica oleracea var. italica Plenck.), and Brussels sprouts (Brassica oleracea var. gemmifera D.C.) in the Mediterranean Region of Turkey. Symptoms were characterized by...

Bacterial spot disease caused by Xanthomonas axonopodis pv. vesicatoria (X. axonopodis pv. vesicatoria) is a devastating pepper (Capsicum annuum) disease in Turkey. Biological control of Xanthomonas axanopodis pv. vesicatoria is of great interest, in terms of environmental safety and economic return. In this study, 3 Bacillus strains isolated from...

SUMMARY Bacterial spot, caused by Xanthomonas axonopodis (syn: campestris) pv. vesicatoria is a widespread disease of processing pepper in Adana and Osmaniye (eastern Mediterranean Turkey). According to our and pepper growers' observations, chemical control by copper com- pounds has not been effective on the disease in commer- cial pepper fields fo...

Stem rot diseases of tomato, caused by Erwinia carotovora subsp. carotovora, is a serious problem in greenhouses in Turkey. Pathogen causes wilting of the whole tomato plants, water-soaking areas on stem, browning of vascular tissue, hollowing of pith, and soft rotting stem and fruits. The symptom development starts from root or crown region of see...

in winter of 2003 and 2004, severe leaf and stem necrosis symptoms were observed on watermelon (Citrullus lanatus) and melon (Cucumis melo) seedlings in two commercial nurseries at Adana, Turkey. The first symptoms, water-soaked lesions, were observed on the cotyledons. Small, dark brown and angular leaf spots on the true leaves and necrosis on the...

In the winter of 2002, lettuce plants (Lactuca sativa cv. Tasna, cv. Arapsaci, and cv. Yedikule) from different commercial fields near Adana, Eastern Mediterranean Region of Turkey, had symptoms similar to those caused by Xanthomonas axonopodis pv. vitians (Xav) (Brown) Dye. Leaves of the infected plants were water-soaked, black and with angular le...

A severe leaf speck disease developed on container-grown tomato (Lycopersicon esculentum cv. 'Soray') plants in a commercial nursery in the Eastern Mediterranean Region of Turkey, in December 2002. Incidence of the disease was approximately 25% in the nursery. Symptoms first appeared as water-soaked (1-3 mm in diameter) and irregular-shaped lesions...

Turkey has the second highest production level of watermelon (Citrullus lanatus L.) in the world, with 3.8 million tons produced in 2005. In the spring of 2005, a severe outbreak of a disease resembling bacterial fruit blotch was observed on watermelon cv. Crispy growing in a production area of 35,000 ha in Adana Province in the eastern Mediterrane...

Occurrence of fire blight disease was first time observed in Turkey in 1985. Since then it has spread out and caused severe damage on pome fruits, particularly on pear growing in different regions of Turkey based on favorable weather conditions. In the late spring and summer of 2003, an outbreak of fire blight has been observed on quince, but not o...

In the late spring and summer of 2003, severe fire blight symptoms were observed on quince trees (Cydonia vulgaris cultivars Esme and Ekmek) in different orchards in Turkey. The disease had spread to all quince-growing areas located in the Mediterranean, Aegean, Marmara, and Middle Anatolia regions (Adana, Nigde, Konya, Antalya, Isparta, Afyon, Izm...