Nematicidal Activity of Plant Extracts against the Root-Knot Nematode Meloidogyne Sp on Tomato Plants

Abstract

Pots experiment of tomato plants was conducted in Directorate of Diyala Agriculture, plant pathology Lab during 2016 , nematicidal activities of aqueous extracts from plants viz., Garlic, Ginger , Castor bean , Nerium and Eucalyptus were assayed against root knot nematode Meloidogyne sp. The results showed that nematicide (Oxymethoed LS) and Castor bean recorded maximum shoot weight of plants (10.6 and 9.0 g) respectively while root weight was increas­ed in treatments of Oxymethoed and ginger (2.45 and 1.5 g) respectively after control treatment (l7.53 g) whereas Oxymethoed and Nerium reduced number of juveniles/pot (0.0,80) respectively.

Keywords: Meloidogyne sp, Garlic, Ginger, Castor bean, Nerium, Eucalyptus and Oxymethoed LS