Tekirdağ, Türkiye'deki Mısır Tarlalarında Nematodların Görülme Sıklığı ve Popülasyon Yoğunluğu

Öz

Tekirdağ’da (Türkiye) mısır (Zea mays L.) yetiştirme alanlarında nematod biyoçeşitliliğini belirlemek amacıyla bir çalışma yapılmıştır. Bu amaçla Malkara, Şarköy, Süleymanpaşa ve Hayrabolu'daki mısır tarlaları incelenmiş ve 0-60 cm toprak derinliğinden toplam 62 tarladan toprak örneği alınmıştır. Nematodlar, 475 g/L şeker çözeltisi kullanılarak yapılan santrifüj flotasyon yöntemiyle izole edilmiştir. Nematodların teşhisi teşhis anahtarları kullanılarak yapılmıştır. Çalışmada 30 nematod cinsi tespit edilmiş olup, bu cinsler arasında 11’i bitki paraziti, 3’ü fungus ile beslenen, 9’u bakteri ile beslenen, 5’i omnivor ve 2’si predatör olarak belirlenmiştir. Çalışmada teşhis edilen bazı bitki paraziti türler arasında Ditylenchus dipsaci, Helicotylenchus digonicus, H. varicaudatus, Pratylenchus penetrans, P. thornei, P. neglectus, Paratylenchus nainianus, Rotylenchus cypriensis ve Tylenchorhynchus annulatus yer almıştır. Aphelenchus (Aphelenchida: Aphelenchidae), Cephalobus (Rhabditida: Cephalobidae), Filenchus (Tylenchida: Tylenchidae), ve Geocenamus (Tylenchida: Merliniidae) en yoğun ve yaygın cinsler olup, XLSTAT ile oluşturulan yoğunluk haritası nematod bolluğunu temsil etmektedir. Bu çalışma Tekirdağ ilindeki mısır tarlalarındaki nematod çeşitliliği üzerine yapılan en güncel taksonomik çalışmadır.

Anahtar Kelimeler

• Nematod çeşitliliği
• Zea mays L.
• Trakya
• Türkiye

Incidence and Population Density of Nematodes in Corn Fields in Tekirdağ, Türkiye

Abstract

This study was conducted to determine the nematode biodiversity in corn (Zea mays L.) growing areas in Tekirdağ, Türkiye. For this purpose, corn fields in Malkara, Şarköy, Süleymanpaşa, and Hayrabolu were surveyed, and a total of 62 soil samples were collected from a soil depth of 0-60 cm. Nematodes were isolated by centrifugal flotation using 475 g/L sugar solution. Nematode identifications were made using polytomous keys. In the study, 30 nematode genera were identified, and among these genera, 11 were plant parasites, three were fungal feeders, nine were bacterial feeders, five were omnivores, and two were predators. Some of the plant parasitic species identified in the study included Ditylenchus dipsaci, Helicotylenchus digonicus, H. varicaudatus, Pratylenchus penetrans, P. thornei, P. neglectus, Paratylenchus nainianus, Rotylenchus cypriensis, and Tylenchorhynchus annulatus. Among all Aphelenchus (Aphelenchida: Aphelenchidae), Cephalobus (Rhabditida: Cephalobidae), Filenchus (Tylenchida: Tylenchidae), and Geocenamus (Tylenchida: Merliniidae) were the most abundant and common genera and the heat map generated with XLSTAT represents the nematode abundance. To the best of our knowledge, this is the most recent taxonomic study on nematode diversity in corn fields in Tekirdağ province.

Keywords

• Nematode diversity
• Zea mays L.
• Thrace
• Türkiye

Kaynakça

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