Occurrence and Seasonal Fluctuations of Common Phytonematodes Infesting Field and Vegetable Crops and Associated Weeds in the Newly Reclaimed Soil of El Sadat City, El Menoufia Governorate, Egypt

Document Type : Original Article


Economic Entomology and Agricultural Zoology Department, Faculty of Agriculture, Menoufia University, Egypt


Worldwide, plant nematodes have a direct effects on crops production, as well as recorded a very harmful plant pathogen. In this study, nematode species were collected and identified from soil samples of several field crops such as clover, Trifolium alexandrinum, potato, Solanum tuberosum, wheat, Triticum aestivum, broad bean, Vicia faba and cabbage, Brassica oleracea and their associated weeds and grasses (Bermuda grass, Cynodon dactylon, nut grass, Cyperus rotundus, jungle rice, Echinochloa colonum weed, common sowthistle, Sonchus maritima weed, and goosefoot, Chenopodium album) weed in El Sadat City, El Menoufia Governorate, Egypt from the period of October 2022 to March 2023. The obtained results showed that, the highest occurrence genus was root-knot nematode, Meloidogyne with percentages of 64.6%, 52.6%, 51.0% and 50.1% in broad bean, sowthistle, nut grass and potato, respectively. The lowest occurrence genus was Xiphinema with percentages of 1.0%, 1.1%, 1.3% and 1.4% in clover, nutgrass, potato and broad bean, respectively. Other nematode genera, Pratylenchus, Helicotylenchus, Hoplolaimus and Criconemoides were plenty different in the other tested crops.