engleski

Free-living and plant parasitic nematodes under conventional tillage and no-tillage treatments in wheat and soybean

Any disturbance of soil can affect nematode community and total abundance. Tillage practices are considered as main disturbance to soil that may bring to the changes in nematode trophic structure. The aim of this preliminary study is to evaluate effect of conventional tillage and no-tillage treatments on nematode community in wheat and soybean. A split plot field experiment was conducted in 2008, in Darda, Croatia. Sampling for nematodes was done in May 2008, in wheat and soybean under conventional tillage and no-tillage treatment. Nematodes were separated to the trophic groups and plant parasitic genera were identified. The most abundant plant parasitic genus in all treatments was Tylenchorhynchus Tillage treatments did not have significant effect on nematode trophic structure and on biodiversity of genera of plant parasitic nematodes. This study proved beneficial role of nematode community in conventional tillage and no-tillage regimes, whereas overall effect of nematodes was postitive in terms of mineralisation of organic matter.

Trophic structure; Tylenchorhynchus; tillage; mineralization

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