THE CHANGES IN THE POPULATION FLUCTUATIONS OF THE WHITEFLY, BEMISIA TABACI (GENNADIUS), HOMOPTERA: ALEYRODIDAE IN COTTON FIELDS.

POTENTIAL OF THE SNAIL PARASITIC NEMATODE , RHABDITIS SP . IN CONTROLLING THE SNAIL Eobania vermiculata (MULLER) AND ITS EFFECT ON ALBINO RAT, Rattus norvegicus

THE COMBINATION EFFECT OF BACTERIAL EXOTOXIN AND SNAIL PARASITIC NEMATODE Rhabditis sp. ON THE PRODUCTION OF THE NEMATODE FROM Biomphalaria alexandrina

EFFECT OF THE INFESTATION BY Bemisia tabaci (Genn.) ON SOME CHEMICAL PROPERTIES OF TOMATO FRUITS AT FAYOUM DISTRICT.