<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Composition and vertical distribution of soil nematode communities within soil profile were investigated in eight hop gardens in Czech Republic. In total, the presence of 78 nematode genera was confirmed. Genus Drilocephalobus (Coomans &amp; Coomans, 1990) is new for fauna of the Czech Republic. The highest abundance of soil nematodes was found at a depth of 0–10 cm and declined with increasing depth of soil profile. The most dominant genus was Bitylenchus, followed by genera Acrobeloides, Ditylenchus, Chiloplacus and Cervidelus. Ten genera of plant parasitic nematodes were recorded: Bitylenchus (with prevalence of B. dubius), Helicotylenchus, Heterodera (with absolute prevalence of H. humuli), Geocenamus, Longidorella, Longidorus (only L. elongatus), Merlinius (with prevalence of M. brevidens), Paratylenchus and Pratylenchus. Low population densities of predators and omnivores, low values of the community indices (MI, ΣMI, SI, and CI), and high values of NCR, EI, and PPI/MI ratio indicated disturbed nematode communities in hop gardens and bacteria-dominated decomposition pathways in the soil food web.</p></abstract>

Composition and vertical distribution of soil nematode communities within soil profile were investigated in eight hop gardens in Czech Republic. In total, the presence of 78 nematode genera was confirmed. Genus Drilocephalobus (Coomans & Coomans, 1990) is new for fauna of the Czech Republic. The highest abundance of soil nematodes was found at a depth of 0–10 cm and declined with increasing depth of soil profile. The most dominant genus was Bitylenchus, followed by genera Acrobeloides, Ditylenchus, Chiloplacus and Cervidelus. Ten genera of plant parasitic nematodes were recorded: Bitylenchus (with prevalence of B. dubius), Helicotylenchus, Heterodera (with absolute prevalence of H. humuli), Geocenamus, Longidorella, Longidorus (only L. elongatus), Merlinius (with prevalence of M. brevidens), Paratylenchus and Pratylenchus. Low population densities of predators and omnivores, low values of the community indices (MI, ΣMI, SI, and CI), and high values of NCR, EI, and PPI/MI ratio indicated disturbed nematode communities in hop gardens and bacteria-dominated decomposition pathways in the soil food web.

Composition and vertical distribution of free living and plant parasitic nematodes in hop gardens in the Czech Republic

State Phytosanitary Administration, Division of Diagnostics, Šlechtitelů 773/23, CZ-779 00, Olomouc, Czech Republic

Biological Centre, Academy of Science of the Czech Republic, v.v.i., Institute of Soil Biology, Na Sádkách 7, CZ-370 05, České Budějovice, Czech Republic

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Composition and vertical distribution of soil nematode communities within soil profile were investigated in eight hop gardens in Czech Republic. In total, the...

Composition and vertical distribution of free living and plant parasitic nematodes in hop gardens in the Czech Republic

Publié en ligne: 17 mai 2011

Pages: 124 - 136

DOI: https://doi.org/10.2478/s11687-011-0017-3

Mots clés
Nematoda, diversity, vertical distribution, trophic groups, hop gardens

© 2011 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Composition and vertical distribution of free living and plant parasitic nematodes in hop gardens in the Czech Republic

Publié en ligne: 17 mai 2011

Pages: 124 - 136

DOI: https://doi.org/10.2478/s11687-011-0017-3

Mots clésNematoda, diversity, vertical distribution, trophic groups, hop gardens

© 2011 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Nematoda, diversity, vertical distribution, trophic groups, hop gardens