Muş İlindeki Bazı Meraların Nematod Fauna Yapısının İncelenmesi

Yıl 2017, Cilt: 27 Sayı: 2, 197 - 203, 30.06.2017

Şenol Yıldız , İbrahim Koç , Erdal Necip Yardım

https://doi.org/10.29133/yyutbd.282164

Cited By: 4

Öz

Çalışma Muş ilinde bazı meralarda nematod fauna
yapısını incelemek üzere 2015 yılında yürütülmüştür. Muş-Bingöl karayolu
üzerinde bulunan meralardan her 5 km’de bir durularak toprak örnekleri
alınmıştır.  Toprak örneklerinden
nematodların elde edilmesi için Petri kabı yöntemi kullanılmıştır. Çalışmada
nematod faunasına ilişkin 27 cins ve bir tür tespit edilmiş olup, bunlardan 8
cins bitki paraziti, 9 cins bakterivor, 4 cins fungivor, 1 cins predatör ve 5
cins omnivor gruba ait nematodlardan oluşmaktadır. Bitki paraziti nematodlardan
Helicotylenchus, Tylenchus, Pratylenchus ve Merlinius cinsleri;
bakterivorlardan Acrobeloides, Cephalobus ve Monhystera;
fungivorlardan Ditylenchus, Tylencholaimus ve Aphelenchus;
predatörlerden sadece Mononchus; omnivorlardan ise Prodorylaimus
ve Aporcelaimellus cinslerinin ön planda olduğu belirlenmiştir. Trofik
gruplardan bitki paraziti nematodların faunadaki oranı %32, bakterivorların
%33, fungivorların %32, predatör ve omnivorların oranı ise %29 olarak
hesaplanmıştır. Trofik grupların dağılımının birbirine yakın değerler aldığı
görülmüştür. Sonuç olarak, çalışma alanındaki bitki paraziti nematodların
çeşitlilik ve yoğunluklarının yüksek olmadığı ve serbest yaşayan nematodların
ise orta seviyede bir yapıya sahip oldukları söylenebilir. 

Anahtar Kelimeler

Mera, Nematod, Trofik grup

Investigation on Nematode Faunal Structures in Pastures of Muş Province

Öz

The study was conducted to investigate nematode faunal
structure in some pastures of Muş province, in 2015. Soil samples were taken
from pastures by stopping at every 5 km of Muş-Bingol road. Nematodes were
reovered from soil samples by using petri-dish method. Twenty nine genera and
one species fron the nematode fauna were identified.; 8 plant parasitic, 9
bacterivores, 4 fungivores, 1 predator and 5 genera belonged to omnivore
groups. The prominent genera were Helicotylenchus, Tylenchus, Pratylenchus
and Merlinius as plant parasitic group; Acrobeloides, Cephalobus
and Monhystera as
bacterivores; Ditylenchus, Tylencholaimus and Aphelenchus from
fungivores; Mononchus as predators; Prodorylaimus and Aporcelaimellus
as omnivores. The proportions of trophic groups in the fauna in terms of
abundance were calculated as 32% plant parasitic nematodes, 33% as
bacterivores, 32% as fungivores and as 29% omnivores. The results revealed that
all the trophic groups had close diversity and abundance values, except the
predator group which was the least in the fauna. It might be concluded that, in
the study area, the diversity and abundance of plant parasitic nematodes were
not very high and free-living nematodes were in a fair state.

Anahtar Kelimeler

Pasture, Nematode, Trophic group

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