الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
This Work Presented in This Thesis Aimed to Study the Effect of Two Factors Nitrogenous Fertilization and some Plant Growth Regulator Treatments and Their Interaction Effects on Vegetative Growth Flowering Fruiting Anthocyanin Content as Well as the PH Values of Roselle (Hibiscus Sabbbdariffa, L) Plants in Two Successive Seasons of 1983/1984 and 1984/1985.
Ammonium Nitrate Was Used at the Rates of 100,200and 300 Kg/Feddan Plants were Sprayed Three times With Either Atrinal at .1..2,and .3 Naphthaleneacetic Acid at 25,50and 100PPM Bl-2511at 250.500and 1000PPM or Bl-2629 at 250, 500and 1000PPM
.Data Were Taken on Individual Plants the Results Might Be Summarized as Follows:
The Obtained Results Indicate That the of Treated and Untreated Plants Was Increased Gradually Till the End of The Growing Seasons.