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Abstract Increasin !.!1F3iO yield of cereal CLOpS j considered one of the more important national goals in Egypt (0 face the needs of increment of Eg)1l’ian people. Wheat production in ’Eg)1)t increased Jl:mu2.0 wi1Jjon Ion hi 12 19 3 to 7,18 million Ion in 2003 _O(}-f eason, 245% increai e (Statistical eal’;,$ Book2{)O4, A.R Giza. Thi increase was achieved by both increasin wheat area from 554,400 10 10 5617.9 hectares) and the continuous rise in grain yield ba’J as a result of culnvanug high yielding genotype from 3. -9·. to 6.61 toll 118-’) and improved cnlmral practices at newly reclaimed areas . .It habecome ueces ary 10 develop wheat lilies adapted 10 sII1taffected oils and rainfed areas (drought region), Today. tile world’ agrleulmre is eriously affected by drought. 11\ particular. drought is the number oue environmental limitation to many crop, II was predicted IbM drought is becoming the largest co naint to prcductions f ome waterconsumiua craps such as wh ilt in th new c.ellllll:Y, 011 the other hsud, approximately 2()<1A> of the world’ cultivated land and nearly half of all irri ared lands are affected by salinity. Egypt has also 1I total of million feddan of .aline.Iu general creeuing aud discovering drought aud alinity tolerant gene re ·ource lire urgently needed for creating productive breeding materials with improved drought and salinity tolerance. PDF created with pdf Factory Pro trial version.pgttectory”com |