Distribution and population density of plant parasitic nematodes on cereal production areas of Isparta and Burdur Provinces of Turkey

Öz

Plant parasitic nematodes were systematically surveyed in cereal production areas of Isparta and Burdur Provinces of Turkey in 2016-2017. Nine plant parasitic nematode genera were identified in Isparta and Burdur [Ditylenchus (23%), Geocenamus (20%), Helicotylenchus (33%), Heterodera (<1%), Meloidogyne (3%), Pratylenchus (76%), Pratylenchoides (52%), Paratylenchus (41%) and Tylenchus (18%)]. Pratylenchus spp. was found in 82% and 68% of samples, and Pratylenchoides spp. in 55% and 63% samples in Isparta and Burdur Province, respectively. The densities of Pratylenchus and Pratylenchoides species were higher in Isparta than in Burdur, and were often over the threshold for economic damage. As a result of morphological diagnostic studies, Pratylenchus crenatus Loof, 1960, Pratylenchus neglectus (Rensch, 1924) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus penetrans (Cobb, 1917) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus thornei Sher & Allen, 1953 (Tylenchida: Pratylenchidae), Pratylenchoides alkani Yüksel, 1977, Pratylenchoides crenicauda Winslow, 1958, Pratylenchoides erzurumensis Yüksel, 1977, Pratylenchoides leiocauda Sher, 1970, Pratylenchoides ritteri Sher, 1970 and Pratylenchoides variabilis Sher, 1970 (Tylenchida: Merliniidae) were identified. Pratylenchoides alkani, P. erzurumensis, P. neglectus and P. thornei were the most common species in wheat and barley fields in Burdur and Isparta Provinces.

Anahtar Kelimeler

• Cereal
• Pratylenchoides spp.
• population density
• root lesion nematode
• survey

Türkiye Isparta ve Burdur illeri tahıl üretim alanlarında bitki paraziti nematodların dağılımı ve popülasyon yoğunluğu

Öz

Türkiye'nin Isparta ve Burdur illerinde 2016 ve 2017 yıllarında tahıl üretim alanlarında bitki paraziti nematodların sürveyi sistematik olarak gerçekleştirilmiştir. Burdur ve Isparta illerinde dokuz bitki paraziti nematod cinsi [Ditylenchus (%23), Geocenamus (%20), Helicotylenchus (%33), Heterodera (<%1), Meloidogyne (%3), Pratylenchus (%75,5), Pratylenchoides (52,1%), Paratylenchus (41%) and Tylenchus (18%)] tespit edilmiştir. Pratylenchus spp. Isparta ve Burdur illerinde sırasıyla %82 ve %68 olarak tespit edilirken, Pratylenchoides spp. Isparta'da %55 ve Burdur'da %63 olarak bulunmuştur. Pratylenchus ve Pratylenchoides türleri Isparta İli'nde Burdur İli'nden daha yüksek belirlenmiş ve çoğu tahıl alanında ekonomik zarar seviyesinin üzerinde tespit edilmiştir. Morfolojik teşhis çalışmaları sonucunda, Pratylenchus crenatus Loof, 1960, Pratylenchus neglectus (Rensch, 1924) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus penetrans (Cobb, 1917) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus thornei Sher & Allen, 1953 (Tylenchida: Pratylenchidae), Pratylenchoides alkani Yüksel, 1977, Pratylenchoides crenicauda Winslow, 1958, Pratylenchoides erzurumensis Yüksel, 1977, Pratylenchoides leiocauda Sher, 1970, Pratylenchoides ritteri Sher, 1970 ve Pratylenchoides variabilis Sher, 1970 (Tylenchida: Merliniidae) tespit edilmiştir. Pratylenchoides alkani, P. erzurumensis, P. neglectus ve P. thornei Burdur ve Isparta illerinde buğday ve arpa alanlarında en yaygın türler olarak saptanmıştır.

Anahtar Kelimeler

• Tahıl
• popülasyon yoğunluğu
• Pratylenchoides spp.
• kök lezyon nematodu
• sürvey

Kaynakça

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