The occurrence and regulalion of ApheJenchoides besseyi, Christie, 1942
recovered from soaking either twenty grams straw or one hundred rice grains offour
varieties i.e, Sakhia 101, Giza 177, 171 and Rehoo for 480r48an 96hrswas
investigated under room ternperatur> (25 + 2"C). Results indicated th~t the
population density of A. besseyl obtained every month after harvest from oaking rice
grains or straw tested was higher than that of at harvest or pre-maturity stage. After
harvest grains of Rehoo variety gave the highest numbers of A. besseyi, whereas,
Sakhia 101 showed the least with values o( 57.0 or 76.4 and 33.8 or 43.~ Individuals
when rice grains were soaked for 48 or 96 hrs, respectively. Tahwaai village where
paddy areas were cultivated with Giza 171 and Rehoo achieved the highest levels of
nematode infestations in rice graIns as we!l as straw.