DETERMINATION OF TRALKOXYDIM AND TRIBENURON- METHYL RESIDUES IN WHEAT PLANT, SOIL AND ITS EFFECT ON APHIDS INFESTATION AND ON FRESH YIELD.

POPULATION DENSITY AND ACTIVITY OF THE WHITEFLY, Bemisia tabaci (GENNADIUS) IN COTTON FIELDS

THE APHICIDAL ACTION OF DIFFERENT PESTICIDES AND THEIR MIXTURES AGAINST FIELD POPULATION OF THE COTTON APHID, APHIS GOSSYPII GLOVER