The male-sterile plants from the crosses between dominant male-sterile hexaploid triticale and durum wheat as well as bearded wheat were backcrossed many times with the same male parents.

用已育成的显性雄性不育六倍体小黑麦为母本分别与硬粒小麦、二粒小麦及黑麦杂交，并每代选不育株用原父本回交。

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So, for example, primitive wheat breeders crafted durum (hard) wheat for pasta and softer varieties for cakes.

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Current varieties include durum wheat for pasta and so-called common wheat for bread.

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They include some of our most popular fruits and vegetables, such as Ruby Red grapefruit and most of the durum wheat varieties used to make pasta.

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