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Elekcioglu, I.H.

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Elekcioglu
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I.H.
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Elekcioglu, I.H.

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    Pathotype characterization of the cereal cyst nematode Heterodera filipjevi (Madzhidov, 1981) Stelter in Turkey
    (Entomological Society Turkey, Ege University, 2013) Toktay, H.; Imren, M.; Bozbuga, R.; Erginbas Orakci, G.; Dababat, A.A.; Elekcioglu, I.H.
    Turkey is ranked among top ten wheat producing countries in the world. Cereal cyst nematodes are considered one of the most damaging plant parasitic nematodes on wheat worldwide. Up to date, the most effective method of controlling this group of nematodes is the use of crop rotation and resistant varieties. The successful development of disease-resistant plants is contingent on knowledge of the pathotypes of the causal agent. In this study, three populations of Heterodera filipjevi (Madzhidov, 1981) Stelter were collected from different locations (Afsin, Elbistan and Yozgat) in Turkey in order to identify their pathotype using ?The International Test Assortment of Cereal Cultivars?. The results showed that two populations gave a similar reaction to the resistant and susceptible varieties. These populations were determined as Ha 33 pathotype which is a new report for Turkey.
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    Pathotype determination of the cereal cyst nematode, Heterodera avenae (Wollenweber, 1924) in the Eastern Mediterranean Region in Turkey
    (Türkiye Entomoloji Derneği, 2012) Imren, M.; Toktay, H.; Bozbuga, R.; Dababat, A.A.; Elekcioglu, I.H.
    Karlik (Adana-Saricam), Imece (Hatay-Kirikhan) and Beþaslan (Hatay-Reyhanli) populations were used to determine the pathotype of the cereal cyst nematode, Heterodera avenae, in the Eastern Mediterranean Region of Turkey. Pathotype of H. avenae were investigated by using ?The International Test Assortment of Cereal Cultivars?. The test was conducted on twelve barley, six oat, six wheat and four control lines (milan, seri, silverstar and croc). Test materials were grouped by three nematode populations virulence on resistance (Rha?E?, Rha1, Rha2, Rha3, Cre1) and nonresistance genes variety and lines. According to results, Rha1 and Rha3 genes gave a resistance response but Rha2 and Cre1 did not. As a result, all populations demonstrated similar reactions and the three nematode populations were consistent with reactions for the Ha21 pathotype of the Ha1 group. This result is the first report on determining of the H. avenae pathotype in Turkey.
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