Abstract
Extracts of ginger, garlic and chilli pepper showed strong nematicidal action by killing Meloidogyne incognita and other species of soil nematodes in 40 min. Ladies' finger plants inoculated with M. incognita and then treated with the aqueous extracts of these plant materials showed marked increase in growth and decreased root galling. The population of M. incognita was considerably reduced in the pots treated with the plant extracts. The garlic extract was highly phytocidal but most effective in reducing Meloidogyne infestation of ladies' finger. Ginger showed mild phytotoxicity and capsicum none. Besides their nematicidal activity the plant extracts served as a manure.
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