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Kutuk, H.

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Kutuk
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Kutuk, H.

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    Evaluation of entomopathogenic nematodes against common wireworm species in potato cultivation
    (MDPI, 2023) Gümüş Askar, A.; Yüksel, E.; Bozbuga, R.; Ocal, A.; Kutuk, H.; Dinçer, D.; Canhilal, R.; Dababat, A.A.; Imren, M.
    Publication
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    Occurrence and population dynamics of the root lesion nematode Pratylenchus thornei (Sher and Allen) on wheat in Bolu, Turkey
    (The Scientific and Technology Research Council of Turkey, 2017) Imren, M.; Ciftci, V.; Yildiz, S.; Kutuk, H.; Dababat, A.A.
    Root lesion nematodes (RLNs) are an economically important pest due to their wide host range in the global cropping system. In Turkey, they have been found in every region and attack almost all crops (especially wheat), causing significant damage. This study investigated the occurrence and population dynamics of the root lesion nematode species Pratylenchus thornei on the winter wheat cultivar 'Bayraktar' under field conditions in Bolu Province. Surveys were conducted and a total of 145 root and soil samples were collected. Pratylenchus thornei was detected in 25 soil samples (17.2% of the total samples). Field experiments revealed that P. thornei populations were at their lowest density during the winter (November to February), before gradually increasing to their maximum in July and then decreasing again during the dry summer periods. The number of nematodes was positively correlated with temperature, and the nematode reproduction rate was between 0.8 and 4.6. When combined with integrated pest management strategies, the information provided by these results will be useful for suppressing the nematode population below the threshold level.
    Publication
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    Ocurrence and identification of cereal cyst nematode, heterodera filipjevi (nemata: heteroderidae), in Bolu province of Turkey
    (Organization of Nematologists of Tropical America, 2016) Imren, M.; Toktay, H.; Kutuk, H.; Dababat, A.A.
    Cereal cyst nematodes, Heterodera filipjevi, parasitize the roots of wheat and cause significant yield losses around the world. Cereal cyst nematodes are one of the most important and endemic problems in wheat-growing areas especially where rainfall is limited and monoculture crop production practices exist. In Turkey, cereal cyst nematodes are considered among the most damaging pests in wheat. Identifying cyst nematode species and determining their prevalence and distribution in Turkey are important for predicting potential spread in the future. This survey aimed to identify cyst nematode species and to assess their prevalence in cereal growing areas of Bolu province in Turkey. Cereal cyst nematode cysts were found in 83% of the surveyed fields. Prevalence of cysts was greater in cereal-growing areas in the provincial center and in the Gerede district. Morphological features of second-stage juveniles and cysts were examined, and DNA was extracted from second-stage juveniles and the species-specific Sequence Characterized Amplified Region (SCAR) primers were used for molecular identification. Based on both morphological and molecular methods, all samples were identified as H. filipjevi. This study was the first comprehensive investigation of H. filipjevi prevalence in cereal fields in Bolu. This information is of value to alert personnel of wheat breeding programs to develop local resistant varieties to target H. filipjevi.
    Publication