International Sugar Journal

Impact of tillage and residues from rotation crops on the nematode community in soil and surface mulch during the following sugarcane crop † [Full subscriber]

The impact of three cropping histories (sugarcane, maize and soybean) and two tillage practices (conventional tillage and direct drill) on plant-parasitic and free-living nematodes in the following sugarcane crop was examined in a field trial at Bundaberg. Soybean reduced populations of lesion nematode (Pratylenchus zeae) and root-knot nematode (Meloidogyne javanica) in comparison to previous crops of sugarcane or maize but increased populations of spiral nematode (Helicotylenchus dihystera) and maintained populations of dagger nematode (Xiphinema elongatum). However the effect of soybean on P. zeae and M. javanica was no longer apparent 15 weeks after planting sugarcane, while later in the season,…

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