Determination of Plant Parasitic Nematodes in Potato Growing Areas in Bolu Province

Öz

Potato (Solanum tuberosum L.) is one of the most important crops grown for food in the world, but many potato-yield limiting biotic factors are present such as plant parasitic nematodes (PPN). This study was conducted to determine the nematodes associated with potato growing areas during 2014-2016 growing seasons in Bolu province. Overall, Root lesion nematode, Pratylenchus spp. were the most common nematode genus occurring in potato production fields with an incidence of over 52.5%. The Cyst nematode, Globodera spp. was found in 35% and Root knot nematode, Meloidogyne spp. was in 20% of the samples whereas potato cropping very frequently with low rotation, incidences of plant-parasitic nematodes were 62,5% of Ditylenchus spp., 50% Geocenamus spp., 40% for Helicotylenchus spp. or Rotylenchus spp., 30% for Paratylenchus and Amplimerlinus spp., 9% for Pratylenchoides spp. and Tylenchorhynchus spp. The survey results suggested that the presence and the abundance of plant-parasitic nematodes were found relatively high in potato growing areas in Bolu and may have a potential to cause dramatic yield losses. The comprehensive surveys are indispensable to define the distribution, frequency as well as more accurate identification of plant parasitic nematodes species, particularly Globodera spp., Meloidogyne spp. and Pratylenchus spp. species in potato growing areas of Bolu province.

Anahtar Kelimeler

• Distribution,densities,plant parasitic nematodes,potato,survey

Bolu İli Patates Üretim Alanlarında Bitki Paraziti Nematodların Belirlenmesi

Abstract

Patates (Solanum tuberosum L.) dünyada insan beslenmesinde kullanılmak amacıyla yetiştiriciliği yapılan önemli tarımsal ürünlerden biri olup, başta bitki paraziti nematodlar (BPN) olmak üzere, birçok biyotik faktör patates yetiştiriciliğini önemli ölçüde sınırlandırmaktadır. Bu çalışma, Bolu ili patates üretim alanlarında patateste zararlı nematodların belirlenmesi amacıyla 2014-2016 yılları arasında yürütülmüştür. Çalışma sonucunda, Kök yara nematodları Pratylenchus spp. %52.5 oranla patates üretim alanlarında en fazla bulunan nematod olarak tespit edilmiştir. Kist nematodu, Globodera spp. %35, Kök-ur nematodu Meloidogyne spp. ise %20 oranında bulunmuş olup, münavebenin yapılmadığı lokasyonlarda bitki paraziti nematodların bulunma oranları: Ditylenchus %62,5 Geocenamus spp. %50, Helicotylenchus spp. or Rotylenchus spp. %40, for Paratylenchus ve Amplimerlinus spp. %30, Pratylenchoides spp. ve Tylenchorhynchus spp. %9 olarak tespit edilmiştir. Survey sonuçları, Bolu ili patates yetiştiriciliği yapılan alanlarda bitki paraziti nematodların yüksek yoğunlukta bulunduğu ve ekonomik ürün kayıplarına neden olabilecek potansiyele sahip olduğunu göstermektedir. Bu nedenle, Bolu ili patates üretim alanlarında bitki paraziti nematodların yaygınlık ve yoğunluğunu belirlemek amacıyla daha kapsamlı surveylerin yapılması, patateste zararlı nematodların, özellikle Globodera spp., Meloidogyne spp. ve Pratylenchus spp. türlerinin teşhislerinin yapılması gerekmektedir.

Keywords

• Yaygınlık,yoğunluk,bitki paraziti nematodlar,patates,survey

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