PJB-2020-477
NEMATICIDAL ACTIVITY OF DIFFERENT PLANTS EXTRACTS AGAINST ROOT-KNOT NEMATODES
Javeria Afzal
Abstract
Root-knot nematodes (Meloidogyne spp.) are serious disease-causing agents which aggressively attack nearly all types of plants. In our study, nematicidal activities of different five plants Amaranthus viridis, Chenopodium album, Solanum nigrum, Carica papaya and Euphorbia hirta against root-knot nematodes have been studied. Plants were collected from different areas of Karachi. Aqueous extracts (2, 6 and 10%) of five plant species were made for the experiment. All selected plant species inhibited egg hatching and caused larval mortality. Maximum (24.33%) reduction in egg hatching was recorded in C. album stem extract. The minimum reduction was observed in the leaf extract of A. viridis after 48 hours of exposure time. In larval mortality test, maximum (33%) larval mortality was recorded in C. album as compared to control.
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