Triticum aestivum, bread wheat, belongs to the order Poales (Glumiflorae), family Poaceae (Gramineae), tribe Triticeae, genus Triticum. The tribe Triticeae consists of 18 genera which are divided into two sub-groups, the Triticinae and the Hordeinae. The major genera in the sub-group Triticinae are TriticumAegilopsSecaleAgropyron and Haynaldia (Odenbach 1985, Zeller 1985, Körber-Grohne 1988).

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Biology_of_Wheat