التفاعل بين التركيب الوراثى والبيئة وثبات المحصول لبعض تراكيب قمح الخبز تحت ظروف الإجهادالمائى

Wheat is one of the most important and strategic cereal crops all over the world and it is commonly known as king of cereals. The importance of wheat lays in the physical and chemical properties of the grain, which makes possible the production of bread, a primary source of the staple diet for the poor and rich alike. Wheat provides over 20% of the calories and protein requirements for human nutrition, and is a staple food for over 35% of the world's population in more than 40 countries.