Abstract
Soil application of leaf and flower of water hyacinth ( Eichhornia crassipes) gave satisfactory control of the stunt nematode ( Tylenchorhynchus brassicae), and improved plant growth of cabbage and cauliflower. Water extracts of water hyacinth showed toxicity to T. brassicae in vitro. Bare-root-dip treatments in leaf and flower extracts brought about significant reduction in plant damage by way of inhibiting nematode multiplication.
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