Browsing by Author "Bayraktar, Harun"
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Alternaria burnsii'nin gelişimi üzerine farklı kültürel koşulların etkisi ve rDNA-ITS sekansına dayanan filogenetik analizi
Bayraktar, Harun; Yılmaz, Olgac; Özer, Göksel (2017)Alternaria burnsii'nin neden olduğu kimyon yanıklığı birçok ülkede kimyon üretimini sınırlandıran önemli bir fungal hastalıktır. Patojen ülkemizde de hemen hemen tüm kimyon ekim alanlarında yaygın olup önemli ekonomik ... -
Analysis of genetic diversity among common bean germplasm by start codon targeted (SCoT) markers
Yeken, Mehmet Zahit; Emiralioğlu, Orkun; Çiftçi, Vahdettin; Bayraktar, Harun; Palacıoğlu, Gülsüm; Özer, Göksel (Springer, 2022)Background Breeding strategies to improve modern varieties having high yield, high nutritional value and resistance to biotic and abiotic stress, etc. is very important to make up for the food deficiencies. Molecular studies ... -
Characterization and sensitivity to fungicides of Rhizoctonia spp. recovered from potato plants in Bolu, Turkey
Özer, Göksel; Bayraktar, Harun (Wiley, 2015)Isolates of Rhizoctonia spp. associated with stem canker and black scurf disease of potato were examined for their anastomosis group, sequence variations in the ITS-5.8S rDNA region, pathogenicity and sensitivity to ... -
Determination of Ascochyta blight disease in chickpea using real-time PCR
Bayraktar, Harun; Özer, Göksel; Aydoğan, Abdulkadir; Palacıoğlu, Gülsüm (Springer Heidelberg, 2016)Ascochyta blight is a devastating disease of chickpea caused by Ascochyta rabiei. In this article, we described a real-time PCR assay for the determination and quantification of A. rabiei infection in chickpea tissues and ... -
Determination of fungal pathogens associated with Cuminum cyminum in Turkey
Özer, Göksel; Bayraktar, Harun (Czech Academy Agricultural Sciences, 2015)The occurrence of fungal pathogens, associated with cumin production of Turkey, was determined during 2011 and 2012. A total of 379 isolates were classified as Fusarium oxysporum f.sp. cumini, F. solani, F. acuminatum, F. ... -
Development of conventional and real-time PCR assays to detect alternaria burnsii in cumin seed
Özer, Göksel; Bayraktar, Harun (Springer, 2019)Alternaria burnsii is the causal agent of cumin blight, a seed-borne disease of economic concern for all cumin growing areas. Current detection and identification methods for the pathogen are based on visual examination ... -
Fasulyede Rhizoctonia Solani’nin neden olduğu kök çürüklüğüne karşı tohuma bazı fungisit uygulamalarının etkinliği
Fasulyede Rhizoctonia solani’nin neden olduğu kök çürüklüğüne karşı bazı fungisitlerin çıkış oranı, hastalık şiddeti ve bitki gelişimi üzerindeki etkisi bu çalışma kapsamında değerlendirilmiştir. Tohum ilacı olarak kullanılan ... -
First report of botrytis cinerea on cornelian cherry
Özer, Göksel; Bayraktar, Harun (CSIRO, 2014)Botrytis blight of cornelian cherry (Cornus mas) was reported for the first time from Bolu, Turkey. The pathogen caused flower, leaf and twig blights. The disease was widely observed on cornelian cherry stands in Central ... -
First report of crown rot caused by fusarium algeriense on wheat in Azerbaijan
Özer, Göksel; İmren, Mustafa; Paulitz, T. C.; Bayraktar, Harun; Muminjanov, H.; Dababat, A. A. (Amer Phytopathological Soc, 2020)Fusarium algeriense Laraba & O’Donnell has been recently described as a novel crown rot pathogen of wheat within F. burgessii species complex (Laraba et al. 2017). To our knowledge, there are no reports of the existence ... -
First report of crown rot caused by rhizoctonia solani AG-4 HG-I on asparagus officinalis in Turkey
Özer, Göksel; Bayraktar, Harun (2012)In 2011, crown rot symptoms were observed on the base, root and spears of asparagus plants in Balikesir province (north-eastern Turkey). Surface-disinfected tissues were placed on potato dextrose agar medium and incubated ... -
First report of dill blight caused by Itersonilia perplexans in Turkey
Palacıoğlu, Gülsüm; Özer, Göksel; Bayraktar, Harun (Springer, 2019)During January 2018, when temperatures average around 5.8–14.8 °C, blight symptoms were observed on leaves, petioles and stems of dill (Anethum graveolens) plants grown in a greenhouse of 2 decares located in Antalya ... -
First report of Fusarium hostae causing crown rot on wheat in Azerbaijan
Özer, Göksel; İmren, Mustafa; Bayraktar, Harun; Paulitz, Timothy C.; Muminjanov, Hafiz; Dababat, Abdelfattah A. (Amer Phytopathological Soc, 2019)In June 2017, 76 fields were surveyed in the main bread wheat (Triticum aestivum L.) and durum wheat (Triticum durum Desf.) growing regions of Azerbaijan to identify the fungi causing crown and root rot. Diseased plants ... -
First report of Fusarium proliferatum causing crown and root rot of Asparagus officinalis in Turkey
Özer, Göksel; Bayraktar, Harun; Öksal, Erçin (Edizioni Ets, 2011)In 2011, crown and root rot symptoms appeared on 3- to 8-month-old asparagus plantations in different production areas located in the Gönen district of the Balıkesir province (Turkey). The symptoms included a decrease ... -
First report of gray mold on sweet basil caused by Botrytis cinerea in Turkey
Özer, Göksel; Göre, Mehmet Erhan; Bayraktar, Harun (Springer, 2018)Sweet basil (Ocimum basilicum L.) is an aromatic plant in the family Lamiaceae. In August 2016, a disease was observed in sweet basil fields of Bolu, after the first cutting harvest, characterized by masses of gray-brownish ... -
First report of powdery mildew, caused by Arthrocladiella mougeotii, on Goji berry in Turkey
Özer, Göksel; Bayraktar, Harun (Edizioni Ets, 2016)Lycium barbarum, known as Goji berry or wolfberry, is a Chinese medicine plant in the family Solanaceae, and has been recently cultivated in Bolu, Turkey. During autumn 2015, severe powdery mildew symptoms were observed ... -
First report of purple spot disease of asparagus officinalis in Turkey
Özer, Göksel; Bayraktar, Harun (2012)In the course of a survey to determine the fungal pathogens of asparagus in Balikesir province (north-western Turkey) brown sunken lesions with dark purple margins were observed on the spears. Pseudothecia and ascospores ... -
First report of verticillium dahliae causing Verticillium wilt on Goji berry in Turkey
Özer, Göksel; Bayraktar, Harun (Edizioni Ets, 2016)Wilt symptoms of Goji berry plant (Lycium barbarum) were observed in nurseries in Bolu (Turkey) during a sanitary survey conducted in May 2015. One-year-old plants showed symptoms of wilting, stunting, yellowing, defoliation ... -
Genetic diversity among phytopathogenic Sclerotiniaceae, based on retrotransposon molecular markers
Özer, Göksel; Sameeulah, Muhammad; Bayraktar, Harun; Göre, Mehmet Erhan (Mediterranean Phytopathological Union, 2017)Molecular marker systems have been widely used for determination, discrimination and population structure analysis in the Sclerotiniaceae. The usefulness of a new marker system iPBS, based on the sequences of reverse ... -
Genetic diversity and mating-type distribution within populations of ascochyta rabiei in Turkey
Genetic diversity and mating-type distribution were studied within five populations of Ascochyta rabiei in Turkey. Of 122 isolates tested for mating type, 52.5% were identified as MAT 1-2 and 47.5% as MAT 1-1. Both mating ... -
Genetic diversity of Fusarium oxysporum f. sp cumini isolates analyzed by vegetative compatibility, sequences analysis of the rDNA IGS region and iPBS retrotransposon markers
Özer, Göksel; Bayraktar, Harun (Springer, 2018)Fusarium oxysporum f. sp. cumini, the causal agent of cumin (Cuminum cyminum L.) wilt disease is a devastating fungal pathogen, limiting cumin production in Turkey. Genetic diversity among Fusarium wilt isolates of cumin ...
