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Biological control of Meloidogyne javanica on tomato with Dazitol® and soil solarization
Lobna Hajji-Hedfi1, Emna Rebai2, Asma Larayedh2
1Department of Biological Sciences and Plant Protection, Higher Agronomic Institute of Chott-Mariem, Sousse University, Sousse, Tunisia. elhajjilobna@yahoo.fr.
Abstract:
Pot and greenhouse trials were conducted for the management of root-knot nematode, Meloidogyne javanica, infestation in tomato. Growth parameters, gall index, soil, and root nematode populations were measured to assess the effect of a novel bio-pesticide (Dazitol®), made from mustard oil and oleoresin of Capsicum, on plant growth and nematode reproduction. Data generated within the pot experiment showed that the tested bio-pesticide did not improve plant growth, but it reduced significantly root-knot nematode damage resulting in a decrease in gall index and root (91%) and soil (62%) population of M. javanica compared with untreated plants. The greenhouse experiment showed that Mocap® and Dazitol® decreased nematode incidence significantly (P < 0.05) on tomato. The result of this study suggested that the best nematode control was obtained by combining soil solarization with chemical or botanical nematicides as an integrated pest management approach.
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