الفهرس 
NTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
INTRODUCTION
Maize (Zea mays, L.) is globally the top ranking cereal in
potential grain productivity. It is considered as a ‘King of cereals
crops’ because of its special characteristics that include its
carbon pathway (C4), wider adaptability, higher multiplication
ratio, desirable architecture, superior transpiration efficiency and
high versatile use. In Egypt, maize is considered as one of the
main cereal crops, comes the third after wheat and rice. Maize is
very essential either for the human food or animal feeding and a
common ingredient for industrial products. It plays a vital source
of daily human food because their flour mixed with wheat flour
by 20 % for bread making. Also, maize is used as a feed for
livestock whether fresh, silage or