EFFICACY OF CERTAIN PLANT EXTRACTS AND TRI-FLUMURON ON BIOLOGICAL ACTIVITY OF Spodoptera lit-toralis (BOISD.) AND Earias insulana (BOISD.)AND ITS EFFCET ON COTTON YIELD

IDENTIFICATION OF PHYSIOLOGIC RACES OF Puccinia triticina AND POSTULATED GENES OF RESISTANCE IN CERTAIN EGYPTIAN COMMERCIAL WHEAT CULTIVARS

EFFICACY OF JOJOBA OIL AGAINST TWO STORED LEGUME SEED INSECT PESTS Callosobruchus Maculatus (F.) AND C. Chinensis (L.)