<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>A pot culture experiment was carried out to study the effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen (Foc) on soil nematodes communities during the cucumber growing season in 2007. The results showed that land use history and inoculation had significant effects on the abundance and diversity of soil nematodes. Bacterivores were found to be the most dominant group in this study. Irrespective of inoculation, numbers of fungivores, plant-parasites and values of trophic diversity index (TD) and plant-parasites index (PPI) were greater in greenhouse soils (GH) than in open field vegetable soils (OF) during the growth period of cucumber. While, the number of omnivores-predators and values of richness (SR) and maturity index (MI) presented an opposite trend. Foc inoculation had noticeable effects on numbers of plant-parasites and some taxa, such as Helicotylenchus, Epidorlaimus at flowering stage and Aphelenchus, Tobrilus at fruiting stage. Besides, inoculation significantly affected values of PPI at flowering stage and TD at fruiting stage, respectively. The faunal analysis showed that soil food web in GH was highly disturbed and in OF was degraded.</p></abstract>

A pot culture experiment was carried out to study the effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen (Foc) on soil nematodes communities during the cucumber growing season in 2007. The results showed that land use history and inoculation had significant effects on the abundance and diversity of soil nematodes. Bacterivores were found to be the most dominant group in this study. Irrespective of inoculation, numbers of fungivores, plant-parasites and values of trophic diversity index (TD) and plant-parasites index (PPI) were greater in greenhouse soils (GH) than in open field vegetable soils (OF) during the growth period of cucumber. While, the number of omnivores-predators and values of richness (SR) and maturity index (MI) presented an opposite trend. Foc inoculation had noticeable effects on numbers of plant-parasites and some taxa, such as Helicotylenchus, Epidorlaimus at flowering stage and Aphelenchus, Tobrilus at fruiting stage. Besides, inoculation significantly affected values of PPI at flowering stage and TD at fruiting stage, respectively. The faunal analysis showed that soil food web in GH was highly disturbed and in OF was degraded.

Effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen on soil nematodes communities

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China

Joint Open Laboratory of Soil and the Environment, Institute of Soil Science, Chinese Academy of Sciences and Hongkong Baptist University, Nanjing, 210008, China

School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing, 210097, China

Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

Helminthologia

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

A pot culture experiment was carried out to study the effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen (Foc) on...

Effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen on soil nematodes communities

Publié en ligne: 11 janv. 2009

Pages: 204 - 210

DOI: https://doi.org/10.2478/s11687-008-0040-1

Mots clés
soil nematodes, land use history, Fusarium oxysporum f. sp. cucumberinum Owen, greenhouse, ecological indices

© 2008 Institute of Parasitology, SAS, Košice, Slovakia

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

Effects of land use history and inoculation with Fusarium oxysporum f. sp. cucumberinum Owen on soil nematodes communities

Publié en ligne: 11 janv. 2009

Pages: 204 - 210

DOI: https://doi.org/10.2478/s11687-008-0040-1

Mots cléssoil nematodes, land use history, Fusarium oxysporum f. sp. cucumberinum Owen, greenhouse, ecological indices

© 2008 Institute of Parasitology, SAS, Košice, Slovakia

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

Mots clés
soil nematodes, land use history, Fusarium oxysporum f. sp. cucumberinum Owen, greenhouse, ecological indices