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Hardwood Bark as a Soil Amendment for Suppression of Plant Parasitic Nematodes on Container-grown Plants
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Abstract
Hardwood bark as a soil amendment for container-grown plants suppressed several species of parasitic nematodes in greenhouse tests. Volumetric bark to soil ratios of 4:1, 2:1, 1:1 and 1:2 greatly reduced incidence of root-knot caused by Meloidogyne hapla Chitwood and M. incognita (Kofoid and White) Chitwood on tomato (Lycopersicon esculentum Mill.). A 2:1 bark to soil mixture inhibited galling by M. incognita and population development of Pratylenchus penetrans (Cobb) Filipjev and Schuurmans Stekhoven and Trichodorus christiei Allen on Forsythia intermedia Zabel.
in
HortScience