الفهرس 
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Abstract
This investigcttion was conducted 1orx “Queen Eliza.beth rose cultivar cit the farm of F1orioultur, Faculty of Agriculture, Assiut University, during the two suocü— asive seasons 1976 — 1977 and 1977 — 198.
Rose plants were sprayed with some chosen ohernicaI at certain concentrations after a preliminary work on these, and other chenicris. Tho chosen chemicals at various ooncentrationa were :—
— Chlcronphenicol, Gnc and two sprays at concentrations of 500 ppm.
— 5—FluorouscLI, one and two sprays at ooncontta— tion of 50 ppm.
— Salicylic acid, one and two sprays at concentrt— ion of 250 ppm,
— Estrogen hozmione, one and two sprays at conoentr— aSian of 5%.
The chemicals wore sprayad to rose plants either once or twice. Plants were arranged in split plot in tsne experiment (a chemical treatments beside the control x 4 rep— licatas x 4 plants).
The results could bo swwncrized s following :—
• P2w largest number of rose flowers were obtained from.